UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q


☒	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2021


☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from __________to__________

Commission File No. 001-39801

XOMA Corporation

(Exact name of registrant as specified in its charter)


Delaware		52-2154066
(State or other jurisdiction of		(I.R.S. Employer
incorporation or organization)		Identification No.)

2200 Powell Street, Suite 310
Emeryville, California		94608
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (510) 204-7200

Securities registered pursuant to Section 12(b) of the Act:


Title of each class:	Trading symbol(s):	Name of each exchange on which registered:
Common Stock, $0.0075 par value	XOMA	The Nasdaq Global Market
8.625% Series A Cumulative Perpetual Preferred Stock, par value $0.05	XOMAP	The Nasdaq Global Market
Depositary Shares (each representing 1/1000^th interest in a share of 8.375% Series B Cumulative Perpetual Preferred Stock, par value $0.05)	XOMAO	The Nasdaq Global Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.


Large accelerated filer	☐	Accelerated filer	☐
Non-accelerated filer	☒	Smaller reporting company	☒
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of August 2, 2021, the registrant had 11,311,231 shares of common stock, $0.0075 par value per share, outstanding.

XOMA CORPORATION

FORM 10-Q

TABLE OF CONTENTS


		Page
PART I	FINANCIAL INFORMATION

Item 1.	Condensed Consolidated Financial Statements	1

	Condensed Consolidated Balance Sheets as of June 30, 2021 (unaudited) and December 31, 2020	1

	Condensed Consolidated Statements of Operations and Comprehensive Loss for the Three and Six Months Ended June 30, 2021 and 2020 (unaudited)	2

	Condensed Consolidated Statements of Stockholders’ Equity for the Three and Six Months Ended June 30, 2021 and 2020 (unaudited)	3

	Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2021 and 2020 (unaudited)	4

	Notes to Condensed Consolidated Financial Statements (unaudited)	5

Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	35

Item 3.	Quantitative and Qualitative Disclosures About Market Risk	42

Item 4.	Controls and Procedures	42

PART II	OTHER INFORMATION	42

Item 1.	Legal Proceedings	42

Item 1A.	Risk Factors	42

Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	73

Item 3.	Defaults Upon Senior Securities	74

Item 4.	Mine Safety Disclosure	74

Item 5.	Other Information	74

Item 6.	Exhibits	75

Signatures		77

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PART I - FINANCIAL INFORMATION

ITEM 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

XOMA CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except share and per share amounts)


	June 30,		December 31,
	2021		2020
	(unaudited)		(Note 1)
ASSETS
Current assets:
Cash	$	78,945	$	84,222
Restricted cash		4,840		1,611
Short-term equity securities		2,310		—
Trade and other receivables, net		12		263
Income tax receivable		—		1,526
Prepaid expenses and other current assets		1,144		443
Total current assets		87,251		88,065
Long-term restricted cash		—		531
Property and equipment, net		17		21
Operating lease right-of-use assets		281		359
Long-term royalty receivables		48,075		34,575
Long-term equity securities		—		1,693
Other assets		128		41
Total assets	$	135,752	$	125,285

LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	629	$	456
Accrued and other liabilities		1,059		642
Contingent consideration under royalty purchase agreements		75		75
Operating lease liabilities		187		179
Unearned revenue recognized under units-of-revenue method		1,503		1,452
Contingent liabilities		1,410		1,410
Current portion of long-term debt		—		8,088
Preferred stock dividend accrual		1,424		—
Total current liabilities		6,287		12,302
Unearned revenue recognized under units-of-revenue method – long-term		12,734		13,516
Long-term debt		—		12,764
Long-term operating lease liabilities		133		229
Other liabilities – long-term		20		50
Total liabilities		19,174		38,861

Commitments and Contingencies (Note 10)

Stockholders’ equity:
Preferred Stock, $0.05 par value, 1,000,000 shares authorized:
8.625% Series A cumulative, perpetual preferred stock, 984,000 shares issued and outstanding at June 30, 2021 and December 31, 2020		49		49
8.375% Series B cumulative, perpetual preferred stock, 1,600 and zero shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively		—		—
Convertible preferred stock, 5,003 shares issued and outstanding at June 30, 2021 and December 31, 2020		—		—
Common stock, $0.0075 par value, 277,333,332 shares authorized, 11,310,001 and 11,228,792 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively		85		84
Additional paid-in capital		1,307,140		1,267,377
Accumulated deficit		(1,190,696)		(1,181,086)
Total stockholders’ equity		116,578		86,424
Total liabilities and stockholders’ equity	$	135,752	$	125,285

The accompanying notes are an integral part of these condensed consolidated financial statements.

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(Note 1) The consolidated balance sheet as of December 31, 2020, has been derived from the audited consolidated financial statements as of that date included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.

XOMA CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS

(unaudited)

(in thousands, except per share amounts)


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Revenues:
Revenue from contracts with customers	$	525	$	53	$	544	$	553
Revenue recognized under units-of-revenue method		376		391		731		695
Total revenues		901		444		1,275		1,248

Operating expenses:
Research and development		38		38		99		100
General and administrative		3,927		3,557		10,667		9,914
Total operating expenses		3,965		3,595		10,766		10,014

Loss from operations		(3,064)		(3,151)		(9,491)		(8,766)

Other income (expense), net:
Interest expense		(172)		(508)		(461)		(1,050)
Loss on extinguishment of debt		(300)		—		(300)		—
Other income (expense), net		1,299		126		642		(1)
Loss before income tax		(2,237)		(3,533)		(9,610)		(9,817)
Income tax benefit		—		—		—		1,526
Net loss and comprehensive loss	$	(2,237)	$	(3,533)	$	(9,610)	$	(8,291)
Less: accumulated dividends on Series A and Series B preferred stock		(1,293)		—		(1,824)		—
Net loss available to common stockholders, basic and diluted	$	(3,530)	$	(3,533)	$	(11,434)	$	(8,291)
Basic and diluted net loss per share available to common stockholders	$	(0.31)	$	(0.33)	$	(1.02)	$	(0.81)
Weighted average shares used in computing basic and diluted net loss per share available to common stockholders		11,285		10,824		11,263		10,292

The accompanying notes are an integral part of these condensed consolidated financial statements.

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XOMA CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(unaudited)

(in thousands)


	Series A			Series B			Convertible						Additional				Total
	Preferred Stock			Preferred Stock			Preferred Stock			Common Stock			Paid-In		Accumulated		Stockholders’
	Shares	Amount		Shares	Amount		Shares	Amount		Shares	Amount		Capital		Deficit		Equity
Balance, December 31, 2020	984	$	49	—		—	5	$	—	11,229	$	84	$	1,267,377	$	(1,181,086)	$	86,424
Exercise of stock options	—		—	—		—	—		—	24		—		388		—		388
Exercise of common stock warrants	—		—	—		—	—		—	5		—		—		—		—
Issuance of common stock related to 401(k) contribution	—		—	—		—	—		—	2		—		90		—		90
Stock-based compensation expense	—		—	—		—	—		—	—		—		2,898		—		2,898
Preferred stock dividends	—		—	—		—	—		—	—		—		(707)		—		(707)
Net loss and comprehensive loss	—		—	—		—	—		—	—		—		—		(7,373)		(7,373)
Balance, March 31, 2021	984	$	49	—	$	—	5	$	—	11,260	$	84	$	1,270,046	$	(1,188,459)	$	81,720
Exercise of stock options	—		—	—		—	—		—	49		1		593		—		594
Issuance of common stock related to ESPP	—		—	—		—	—		—	1		—		17		—		17
Stock-based compensation expense	—		—	—		—	—		—	—		—		768		—		768
Issuance of preferred stock	—		—	2		—	—		—	—		—		37,140		—		37,140
Preferred stock dividends	—		—	—		—	—		—	—		—		(1,424)		—		(1,424)
Net loss and comprehensive loss	—		—	—		—	—		—	—		—		—		(2,237)		(2,237)
Balance, June 30, 2021	984	$	49	2	$	—	5	$	—	11,310	$	85	$	1,307,140	$	(1,190,696)	$	116,578


	Series A			Series B			Convertible						Additional				Total
	Preferred Stock			Preferred Stock			Preferred Stock			Common Stock			Paid-In		Accumulated		Stockholders’
	Shares	Amount		Shares	Amount		Shares	Amount		Shares	Amount		Capital		Deficit		Equity
Balance, December 31, 2019	—	$	—	—	$	—	6	$	—	9,759	$	73	$	1,238,299	$	(1,194,384)	$	43,988
Issuance of common stock related to 401(k) contribution	—		—	—		—	—		—	3		—		88		—		88
Stock-based compensation expense	—		—	—		—	—		—	—		—		1,788		—		1,788
Disgorgement of stockholder's short-swing profits	—		—	—		—	—		—	—		—		13		—		13
Net loss and comprehensive loss	—		—	—		—	—		—	—		—		—		(4,758)		(4,758)
Balance, March 31, 2020	—	$	—	—	$	—	6	$	—	9,762	$	73	$	1,240,188	$	(1,199,142)	$	41,119
Exercise of stock options	—		—	—		—	—		—	2		—		10		—		10
Issuance of common stock related to ESPP	—		—	—		—	—		—	1		—		26		—		26
Issuance of common stock related to Series Y preferred stock conversion	—		—	—		—	(1)		—	1,253		10		(10)		—		—
Stock-based compensation expense	—		—	—		—	—		—	—		—		773		—		773
Net loss and comprehensive loss	—		—	—		—	—		—	—		—		—		(3,533)		(3,533)
Balance, June 30, 2020	—	$	—	—	$	—	5	$	—	11,018	$	83	$	1,240,987	$	(1,202,675)	$	38,395

The accompanying notes are an integral part of these condensed consolidated financial statements.

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XOMA CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

(in thousands)


	Six Months Ended June 30,
	2021		2020
Cash flows from operating activities:
Net loss	$	(9,610)	$	(8,291)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense		3,666		2,561
Common stock contribution to 401(k)		90		88
Depreciation and amortization		4		12
Amortization of debt issuance costs, debt discount and final payment on debt		200		374
Provision for bad debt		—		1,409
Non-cash lease expense		79		74
Loss on extinguishment of debt		300		—
Change in fair value of equity securities		(617)		150
Changes in assets and liabilities:
Trade and other receivables, net		251		1,113
Income tax receivable		1,526		(1,526)
Prepaid expenses and other assets		(701)		(497)
Accounts payable and accrued liabilities		748		(152)
Operating lease liabilities		(88)		(79)
Unearned revenue recognized under units-of-revenue method		(731)		(695)
Other liabilities		(6)		309
Net cash used in operating activities		(4,889)		(5,150)

Cash flows from investing activities:
Payments related to purchase of royalty rights		(13,500)		—
Net cash used in investing activities		(13,500)		—

Cash flows from financing activities:
Proceeds from issuance of preferred stock		40,000		—
Proceeds from issuance of common stock		—		26
Payment of preferred and common stock issuance costs		(3,106)		(211)
Proceeds from exercise of options		1,355		25
Principal payments – debt		(4,250)		(1,875)
Payment for extinguishment of debt		(17,103)		—
Payment for debt modification fee		(24)
Payment for preferred stock dividends		(707)		—
Principal payments – finance lease		—		(9)
Proceeds from disgorgement of stockholder's short-swing profits		—		13
Taxes paid related to net share settlement of equity awards		(355)		(16)
Net cash provided by (used in) financing activities		15,810		(2,047)

Net decrease in cash and restricted cash		(2,579)		(7,197)
Cash and restricted cash at the beginning of the period		86,364		56,688
Cash and restricted cash at the end of the period	$	83,785	$	49,491

Supplemental Cash Flow Information:
Cash paid for interest	$	311	$	379
Non-cash investing and financing activities:
Preferred stock dividend accrual	$	1,424	$	—
Interest added to principal balance on long-term debt	$	—	$	317
Accrued cost related to issuance of common stock	$	—	$	19
Accrued cost related to issuance of preferred stock	$	105	$	—

The accompanying notes are an integral part of these condensed consolidated financial statements.

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XOMA CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

1. Description of Business

XOMA Corporation (referred to as “XOMA” or the “Company”), a Delaware corporation, is a biotech royalty aggregator with a sizable portfolio of economic rights to future potential milestone and royalty payments associated with partnered pre-commercial therapeutic candidates. The Company’s portfolio was built through licensing its proprietary products and platforms from its legacy discovery and development business, combined with acquisitions of rights to future milestones and royalties that the Company has made since the royalty aggregator business model was implemented in 2017. The Company’s drug royalty aggregator business is focused on early to mid-stage clinical assets primarily in Phase 1 and 2 with blockbuster potential licensed to large-cap partners. The Company expects that most of its future revenue will be based on payments the Company may receive for milestones and royalties related to these programs.

Liquidity and Financial Condition

The Company has incurred significant operating losses and negative cash flows from operations since its inception. As of June 30, 2021, the Company had unrestricted and restricted cash of $83.8 million. The restricted cash balance may only be used to pay dividends on the 8.625% Series A cumulative, perpetual preferred stock (“Series A Preferred Stock”) issued in December 2020 and the depositary shares, each representing 1/1000th in a share of 8.375% Series B cumulative, perpetual preferred stock (“Series B Preferred Stock”) issued in April 2021 (Note 12).

In June 2021, the Company repaid its outstanding debt obligations to Silicon Valley Bank (“SVB”) and Novartis Pharma AG (“Novartis”), for a total of $17.1 million (Note 8). Based on the Company’s current cash balance and its ability to control discretionary spending, such as royalty acquisitions, the Company has evaluated and concluded its financial condition is sufficient to fund its planned operations and commitments and contractual obligations for a period of at least one year following the date that these condensed consolidated financial statements are issued.

2. Basis of Presentation and Significant Accounting Policies

Basis of Presentation

The condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany accounts and transactions among consolidated entities were eliminated upon consolidation. The unaudited condensed consolidated financial statements were prepared in accordance with generally accepted accounting principles (“GAAP”) in the United States for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. As permitted under those rules certain footnotes or other financial information can be condensed or omitted. These financial statements and related disclosures have been prepared with the assumption that users of the interim financial information have read or have access to the audited consolidated financial statements for the preceding fiscal year. Accordingly, these statements should be read in conjunction with the audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020, filed with the U.S. Securities and Exchange Commission (“SEC”) on March 10, 2021.

These financial statements have been prepared on the same basis as the Company’s annual consolidated financial statements and, in the opinion of management, reflect all adjustments, consisting only of normal recurring adjustments that are necessary for a fair statement of the Company’s consolidated financial information. The interim results of operations are not necessarily indicative of the results that may be expected for the full year.

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Use of Estimates

The preparation of financial statements in conformity with GAAP in the United States requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenue and expenses, and related disclosures. On an ongoing basis, management evaluates its estimates including, but not limited to, those related to revenue recognition, revenue recognized under units-of-revenue method, equity securities, legal contingencies and stock-based compensation. The Company bases its estimates on historical experience and on various other market-specific and other relevant assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources.

Actual results may differ significantly from these estimates, such as the Company’s billing under government contracts and amortization of the payments received from HealthCare Royalty Partners II, L.P. (“HCRP”). Under the Company’s contracts with the National Institute of Allergy and Infectious Diseases (“NIAID”), a part of the National Institutes of Health (“NIH”), the Company billed using NIH’s provisional rates and thus is subject to future audits at the discretion of NIAID’s contracting office. In October of 2019, NIH notified the Company that it engaged KPMG to perform an audit of the Company’s incurred cost submissions for 2013, 2014 and 2015. The audit procedures were completed and the Company adjusted its estimated liability owed to NIH to $1.4 million as of December 31, 2020 (Note 4). The estimated liability owed to NIH had not changed as of June 30, 2021. The audit remains subject to further review by NIH as part of the contract close-out process, which includes finalization of rates for years 2010 through 2015, and the Company may incur further liability as a result. In addition, under the contracts with HCRP, the amortization for the reporting period is calculated based on the payments expected to be made by the licensees to HCRP over the term of the arrangement. Any changes to the estimated payments by the licensees to HCRP can result in a material adjustment to revenue previously reported.

The COVID-19 pandemic has resulted in a global slowdown of economic activity which has led to delays and could result in further delays or terminations of some clinical trials underlying the Company’s royalty purchase agreements. Estimates and assumptions about future events and their effects cannot be determined with certainty and therefore require the exercise of judgment. These estimates may change, as new events occur and additional information is obtained, and are recognized in the condensed consolidated financial statements as soon as they become known. Actual results could differ from those estimates and any such differences may be material to the Company’s financial statements.

Cash and Restricted Cash

Cash consists of bank deposits held in business checking and interest-bearing deposit accounts. As of June 30, 2021, the Company did not have any cash equivalent balances, defined as highly liquid financial instruments purchased with original maturities of three months or less.

Restricted cash consists of bank deposits held to pay dividends on the Company’s Series A Preferred Stock and Series B Preferred Stock.

The Company maintains cash and restricted cash balances at commercial banks. Balances commonly exceed the amount insured by the Federal Deposit Insurance Corporation. The Company has not experienced any losses in such accounts, and management believes that the Company is not exposed to any significant credit risk with respect to such cash and restricted cash.

The following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum to the total of the same amounts shown in the consolidated statements of cash flows (in thousands):


	Six Months Ended June 30,
	2021		2020

Cash	$	78,945	$	49,491
Restricted cash		4,840		—
Total cash and restricted cash	$	83,785	$	49,491

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Revenue Recognition

The Company recognizes revenue from all contracts with customers according to Accounting Standards Codification (“ASC”) Topic 606, Revenue from Contracts with Customers ("ASC 606"), except for contracts that are within the scope of other standards, such as leases, insurance, collaboration arrangements and financial instruments. The Company recognizes revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services.

To determine revenue recognition for arrangements that the Company determines are within the scope of ASC 606, the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the Company satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the Company will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC 606, the Company assesses the goods or services promised within each contract and determines those that are performance obligations, and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation based on relative fair values, when (or as) the performance obligation is satisfied.

The Company recognizes revenue from its license and collaboration arrangements and royalties. The terms of the arrangements generally include payment to the Company of one or more of the following: non-refundable, upfront license fees, development, regulatory and commercial milestone payments, and royalties on net sales of licensed products.

License of intellectual property

If the license to the Company’s intellectual property is determined to be distinct from the other performance obligations identified in the arrangement, the Company recognizes revenue from non-refundable, upfront fees allocated to the license when the license is transferred to the customer and the customer is able to use and benefit from the license. For licenses that are bundled with other promises, such as transfer of related materials, process and know-how, the Company utilizes judgement to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time. Under the Company’s license agreements, the nature of the combined performance obligation is the granting of licenses to the customers as the other promises are not separately identifiable in the context of the arrangement. Since the Company grants the license to a customer as it exists at the point of transfer, and is not involved in any future development or commercialization of the products related to the license, the nature of the license is a right to use the Company’s intellectual property as transferred. As such, the Company recognizes revenue related to the combined performance obligation upon completion of the delivery of the related materials, process and know-how (i.e., at a point in time).

Milestone payments

At the inception of each arrangement that includes development and regulatory milestone payments, the Company evaluates whether the milestones are considered probable of being reached and estimates the amount to be included in the transaction price. ASC 606 suggests two alternatives to use when estimating the amount of variable consideration: the expected value method and the most likely amount method. Under the expected value method, an entity considers the sum of probability-weighted amounts in a range of possible consideration amounts. Under the most likely amount method, an entity considers the single most likely amount in a range of possible consideration amounts. The Company uses the most likely amount method for development and regulatory milestone payments.

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If it is probable that a significant cumulative revenue reversal would not occur, the associated milestone value is included in the transaction price. Milestone payments that are not within the control of the Company or the licensee, such as regulatory approvals, are not considered probable of being achieved until those approvals are received. The transaction price is then allocated to each performance obligation on a relative stand-alone selling price basis. The Company recognizes revenue as or when the performance obligations under the contract are satisfied. At the end of each subsequent reporting period, the Company re-evaluates the probability or achievement of each such milestone and any related constraint, and if necessary, adjusts its estimates of the overall transaction price. Any such adjustments are recorded on a cumulative catch-up basis, which would affect revenue and earnings in the period of adjustment.

Royalties

For arrangements that include sales-based royalties, including milestone payments based on the level of sales, and the license is deemed to be the predominant item to which the royalties relate, the Company recognizes revenue at the later of (i) when the related sales occur, or (ii) when the performance obligation to which some or all of the royalty has been allocated has been satisfied (or partially satisfied).

Upfront payments and fees are recorded as deferred revenue upon receipt or when due and may require deferral of revenue recognition to a future period until the Company performs its obligations under these arrangements. Amounts payable to the Company are recorded as accounts receivable when the Company’s right to consideration is unconditional. The Company does not assess whether a contract has a significant financing component if the expectation at contract inception is such that the period between payment by the customer and the transfer of the promised goods or services to the customer will be one year or less.

Sale of Future Revenue Streams

The Company has sold its rights to receive certain milestones and royalties on product sales. In the circumstance where the Company has sold its rights to future milestones and royalties under a license agreement and also maintains limited continuing involvement in the arrangement (but not significant continuing involvement in the generation of the cash flows that are due to the purchaser), the Company defers recognition of the proceeds it receives for the sale of milestone or royalty streams and recognizes such unearned revenue as revenue under units-of-revenue method over the life of the underlying license agreement. Under the units-of-revenue method, amortization for a reporting period is calculated by computing a ratio of the proceeds received from the purchaser to the total payments expected to be made to the purchaser over the term of the agreement, and then applying that ratio to the period’s cash payment.

Estimating the total payments expected to be received by the purchaser over the term of such arrangements requires management to use subjective estimates and assumptions. Changes to the Company’s estimate of the payments expected to be made to the purchaser over the term of such arrangements could have a material effect on the amount of revenues recognized in any particular period.

Stock-Based Compensation

The Company recognizes compensation expense for all stock-based payment awards made to the Company’s employees, consultants and directors that are expected to vest based on estimated fair values. The valuation of stock option awards is determined at the date of grant using the Black-Scholes Option Pricing Model (the “Black-Scholes Model”). The Black-Scholes Model requires inputs such as the expected term of the option, expected volatility and risk-free interest rate. To establish an estimate of expected term, the Company considers the vesting period and contractual period of the award and its historical experience of stock option exercises, post-vesting cancellations and volatility. The estimate of expected volatility is based on the Company’s historical volatility. The risk-free rate is based on the yield available on United States Treasury zero-coupon issues corresponding to the expected term of the award. The Company records forfeitures when they occur. The Company records compensation expense for service-based awards on a straight-line basis over the requisite service period, which is generally the vesting period of the award, or to the date on which retirement eligibility is achieved, if shorter.

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Equity Securities

The Company received shares of common stock from Rezolute, Inc. (“Rezolute”) (Note 4). Equity investments in Rezolute are classified in the condensed consolidated balance sheets as equity securities. The equity securities are measured at fair value, with changes in fair value recorded in the other income (expense), net line item of the condensed consolidated statement of operations and comprehensive loss at each reporting period. The Company remeasures its equity investments at each reporting period until such time that the investment is sold or disposed of. If the Company sells an investment, any realized gains and losses on the sale of the securities will be recognized in the condensed consolidated statement of operations and comprehensive loss in the period of sale.

In October 2020, Rezolute completed a 1:50 reverse stock split of its common shares (the “Rezolute Reverse Stock Split”) and started trading on the Nasdaq Stock Market. As a result, the Company’s number of shares of Rezolute common stock was reduced from 8,093,010 shares (pre-split shares) to 161,860 shares (post-split shares).

Purchase of Rights to Future Milestones and Royalties

The Company has purchased rights to receive a portion of certain future developmental, regulatory and commercial sales milestones, royalties and option fees on sales of products currently in clinical development. The Company acquired such rights from various entities and recorded the amount paid for these rights as long-term royalty receivables (Note 5). In addition, the Company may be obligated to make contingent payments related to certain product development milestones, fees upon exercise of options related to future license products and sales-based milestones. The contingent payments are evaluated whether they are freestanding instruments or embedded derivatives. If freestanding instruments, the contingent payments are measured at fair value at the inception of the arrangement, subject to remeasurement to fair value each reporting period. Any changes in the estimated fair value is recorded in the condensed consolidated statement of operations and comprehensive loss.

The Company accounts for milestone and royalty rights related to developmental pipeline products on a non-accrual basis using the cost recovery method. These developmental pipeline products are non-commercialized, non-approved products that require Food and Drug Administration (“FDA”) or other regulatory approval, and thus have uncertain cash flows. The Company is not yet able to reliably forecast future cash flows given their pre-commercial stages of development. The related receivable balance is classified as noncurrent since no payments are probable to be received in the near term. Under the cost recovery method, any milestone or royalty payment received is recorded as a direct reduction of the recorded receivable balance. When the recorded receivable balance has been fully collected, any additional amounts collected are recognized as revenue.

The Company reviews public information on clinical trials, press releases and updates from its partners regularly to identify any impairment indicators or changes in expected recoverability of the long-term royalty receivable asset. If an impairment indicator is identified, and the Company determines expected future cash flows discounted to the current period are less than the carrying value of the asset, the Company will record impairment. The impairment will be recognized by reducing the financial asset to an amount that represents the present value of the most recent estimate of future cash flows. No impairment indicators were identified, and no impairment was recorded as of June 30, 2021 and December 31, 2020.

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Leases

The Company leases its headquarters office space in Emeryville, California.

The Company determines the initial classification and measurement of its right-of-use assets and lease liabilities at the lease commencement date and thereafter if modified. The lease term includes any renewal options and termination options that the Company is reasonably certain to exercise. The present value of lease payments is determined by using the interest rate implicit in the lease, if that rate is readily determinable; otherwise, the Company uses its incremental borrowing rate. The incremental borrowing rate is determined by using the rate of interest that the Company would pay to borrow on a collateralized basis an amount equal to the lease payments for a similar term and in a similar economic environment. The Company built its incremental borrowing rate starting with the interest rate on its fully collateralized debt and then adjusted it for lease term length.

Rent expense for operating leases is recognized on a straight-line basis, unless the right-of-use asset has been impaired, over the reasonably assured lease term based on the total lease payments and is included in operating expenses in the condensed consolidated statements of operations and comprehensive loss.

If an operating lease were to reflect impairment, the Company will recognize the amortization of the right-of-use asset on a straight-line basis over the remaining lease term with rent expense still included in operating expenses in the condensed consolidated statements of operations and comprehensive loss.

For all leases, rent payments that are based on a fixed index or rate at the lease commencement date are included in the measurement of lease assets and lease liabilities at the lease commencement date.

The Company has elected the practical expedient to not separate lease and non-lease components. The Company’s non-lease components are primarily related to property maintenance, which varies based on future outcomes, and thus is recognized in rent expense when incurred.

Income Taxes

The Company accounts for income taxes using the liability method under which deferred tax assets and liabilities are determined based on differences between financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse. Valuation allowances are established when necessary to reduce deferred tax assets to the amount which is more likely than not to be realizable.

The recognition, derecognition and measurement of a tax position is based on management’s best judgment given the facts, circumstances and information available at each reporting date. The Company’s policy is to recognize interest and penalties related to the underpayment of income taxes as a component of income tax expense. To date, there have been no interest or penalties charged in relation to the unrecognized tax benefits.

Net Loss per Share Attributable to Common Stockholders

The Company calculates basic and diluted loss per share attributable to common stockholders using the two-class method. The Company’s convertible Series X and Series Y preferred stocks participate in any dividends declared by the Company on its common stock and are therefore considered to be participating securities. The Company’s Series A and Series B Preferred Stock do not participate in any dividends or distribution by the Company on its common stock and are therefore not considered to be participating securities.

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Under the two-class method, net income, as adjusted for any accumulated dividends on Series A and Series B Preferred Stock for the period and any deemed dividends related to beneficial conversion features on convertible preferred stock, if applicable, is allocated to each class of common stock and participating security as if all of the net income for the period had been distributed. Undistributed earnings allocated to participating securities are subtracted from net income in determining net income attributable to common stockholders. During periods of loss, the Company allocates no loss to participating securities because they have no contractual obligation to share in the losses of the Company. Basic net loss per share attributable to common stockholders is then calculated by dividing the net loss attributable to common stockholders by the weighted average number of shares of common stock outstanding during the period. All participating securities are excluded from the basic weighted average common shares outstanding.

Diluted net loss per share attributable to common stockholders is based on the weighted average number of shares outstanding during the period, adjusted to include the assumed exercise of certain stock options and warrants for common stock. The calculation of diluted net loss per share attributable to common stockholders requires that, to the extent the average market price of the underlying shares for the reporting period exceeds the exercise price of any outstanding options or warrants, the presumed exercise of such securities are dilutive to net loss per share attributable to common stockholders for the period. Adjustments to the denominator are required to reflect the related dilutive shares. The Company’s Series A and Series B Preferred Stock become convertible upon the occurrence of specific events other than a change in the Company’s share price and therefore, are not included in the diluted shares until the contingency is resolved.

Concentration of Risk

Cash and receivables are financial instruments which potentially subject the Company to concentrations of credit risk, as well as liquidity risk.

The Company monitors the creditworthiness of its customers to which it grants credit terms in the normal course of business but does not generally require collateral on receivables. For the three months ended June 30, 2021, two partners represented 55% and 42% of total revenues. For the six months ended June 30, 2021, two partners represented 57% and 39% of total revenues. For the three months ended June 30, 2020, one partner represented 88% of total revenues. For the six months ended June 30, 2020, two partners represented 56% and 40% of total revenues. As of December 31, 2020, one partner represented 100% of the trade receivables, net balance. As of June 30, 2021, the Company had no trade receivables, net balance.

Comprehensive Loss

Comprehensive loss is comprised of two components: net loss and other comprehensive (loss) income. Other comprehensive (loss) income refers to gains and losses that under U.S. GAAP are recorded as an element of stockholders’ equity but are excluded from net loss. The Company did not record any transactions within other comprehensive (loss) income in the periods presented and, therefore, the net loss and comprehensive loss were the same for all periods presented.

Accounting Pronouncements Recently Adopted

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. The amendments in ASU 2019-12 are intended to simplify various aspects related to accounting for income taxes. ASU 2019-12 removes certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to improve consistent application. The Company adopted ASU 2019-12 on January 1, 2021. The adoption of ASU 2019-12 did not have a material impact on its condensed consolidated financial statements.

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In August 2020, the FASB issued ASU 2020-06, Debt – Debt with Conversion and Other Options (Subtopic 470-20) and Derivative and Hedging – Contracts in Entity’s Own Equity (Subtopic 815-40). This ASU reduces the number of accounting models for convertible debt instruments and convertible preferred stock and amends the guidance for the derivatives scope exception for contracts in an entity’s own equity to reduce form-over-substance-based accounting conclusion. In addition, this ASU improves and amends the related EPS guidance. These amendments are effective for the Company for fiscal years beginning after December 15, 2023, including interim period within those fiscal years. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020, including interim periods within those fiscal years. Adoption is either a modified retrospective method or a fully retrospective method of transition. The Company adopted ASU 2020-06 on January 1, 2021. The adoption of this ASU did not have a material impact on its condensed consolidated financial statements.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. These amendments provide temporary optional guidance to ease the potential burden in accounting for reference rate reform. The ASU provides optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued. It is intended to help stakeholders during the global market-wide reference rate transition period. The guidance is effective for all entities as of March 12, 2020 through December 31, 2022 and can be adopted as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020. The Company adopted ASU 2020-04 as of January 1, 2021. The adoption of this ASU did not have a material impact on the Company’s condensed consolidated financial statements.

Recent Accounting Pronouncements

In June 2016, the FASB issued ASU 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. ASU 2016-13 replaced the incurred loss impairment methodology under current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. ASU 2016-13 requires use of a forward-looking expected credit loss model for accounts receivables, loans, and other financial instruments. Adoption of the standard requires using a modified retrospective approach through a cumulative-effect adjustment to retained earnings as of the effective date to align existing credit loss methodology with the new standard. ASU 2016-13 will be effective for all entities except public companies that are not smaller reporting companies for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years, using a modified retrospective approach. Early adoption is permitted. The Company plans to adopt ASU 2016-13 and related updates on January 1, 2023. The Company is currently evaluating the impact of adopting this ASU on its condensed consolidated financial statements.

In May 2021, the FASB issued ASU 2021-04, Earnings Per Share (Topic 260), Debt—Modifications and Extinguishments (Subtopic 470-50), Compensation—Stock Compensation (Topic 718), and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40): Issuer’s Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options. The amendments in ASU No. 2021-04 provide guidance to clarify and reduce diversity in an issuer’s accounting for modifications or exchanges of freestanding equity-classified written call options (for example, warrants) that remain equity classified after modification or exchange. The amendments in this ASU No. 2021-04 are effective for all entities for fiscal years beginning after December 15, 2021, and interim periods within those fiscal years, with early adoption permitted, including interim periods within those fiscal years. The Company plans to adopt ASU 2021-04 and related updates on January 1, 2022. The Company is currently evaluating the impact of adopting this ASU on its condensed consolidated financial statements.

3. Condensed Consolidated Financial Statements Details

Equity Securities

As of June 30, 2021 and December 31, 2020, equity securities consisted of an investment in Rezolute’s common stock of $2.3 million and $1.7 million, respectively (Note 4). For the three and six months ended June 30, 2021, the Company recognized a gain of $1.3 million and $0.6 million, respectively, due to the change in fair value of its investment

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in Rezolute’s common stock in the other income (expense), net line item of the condensed consolidated statements of operations and comprehensive loss. For the three and six months ended June 30, 2020, the Company recognized a gain of $0.1 million and a loss of $0.2 million, respectively.

Accrued and Other Liabilities

Accrued and other liabilities consisted of the following (in thousands):


	June 30,		December 31,
	2021		2020
Accrued legal and accounting fees	$	454	$	351
Accrued incentive compensation		466		71
Accrued payroll and other		139		220
Total	$	1,059	$	642

Net Loss Per Share Attributable to Common Stockholders

The following is a reconciliation of the numerator (net loss) and the denominator (number of shares) used in the calculation of basic and diluted net loss per share attributable to common stockholders (in thousands, except per share amounts):


	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Numerator
Net loss	$	(2,237)	$	(3,533)	$	(9,610)	$	(8,291)
Less: Series A accumulated dividends		(530)		—		(1,061)		—
Less: Series B accumulated dividends		(763)		—		(763)		—
Net loss available to common stockholders, basic and diluted	$	(3,530)	$	(3,533)	$	(11,434)	$	(8,291)

Denominator
Weighted average shares used in computing basic and diluted net loss per share available to common stockholders		11,285		10,824		11,263		10,292
Basic and diluted net loss per share of common stock	$	(0.31)	$	(0.33)	$	(1.02)	$	(0.81)

Potentially dilutive securities are excluded from the calculation of diluted net loss per share available to common stockholders if their inclusion is anti-dilutive.

The following table shows the weighted-average outstanding securities considered anti-dilutive and therefore excluded from the computation of diluted net loss per share attributable to common stockholders (in thousands):


	Three Months Ended June 30,		Six Months Ended June 30,
	2021	2020	2021	2020
Convertible preferred stock	5,003	5,196	5,003	5,726
Common stock options	377	564	318	578
Warrants for common stock	5	19	5	19
Total	5,385	5,779	5,326	6,323

4. Licensing and Other Arrangements

Novartis International – Anti-TGFβ Antibody (NIS793)

On September 30, 2015, the Company and Novartis International Pharmaceutical Ltd. (“Novartis International”) entered into a license agreement (the “Anti-TGFβ Antibody License Agreement”) under which the Company granted Novartis International an exclusive, world-wide, royalty-bearing license to the Company’s anti-transforming growth factor

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beta (“TGFβ”) antibody program (now “NIS793”). Under the terms of the Anti-TGFβ Antibody License Agreement, Novartis International has worldwide rights to NIS793 and is responsible for the development and commercialization of antibodies and products containing antibodies arising from NIS793. Unless terminated earlier, the Anti-TGFβ Antibody License Agreement will remain in effect, on a country-by-country and product-by-product basis, until Novartis International’s royalty obligations end. The Anti-TGFβ Antibody License Agreement contains customary termination rights relating to material breach by either party. Novartis International also has a unilateral right to terminate the Anti-TGFβ Antibody License Agreement on an antibody-by-antibody and country-by-country basis or in its entirety on one hundred eighty days’ notice.

The Company concluded that there were multiple promised goods and services under the Anti-TGFβ Antibody License Agreement, including the transfer of license, regulatory services and transfer of materials, process and know-how, which were determined to represent one combined performance obligation. The Company recognized the entire upfront payment of $37.0 million as revenue in the consolidated statement of comprehensive loss in 2015 as it had completed its performance obligations as of December 31, 2015.

The Company is eligible to receive up to a total of $480.0 million in development, regulatory and commercial milestones under the Anti-TGFβ Antibody License Agreement. During the year ended December 31, 2017, Novartis International achieved a clinical development milestone pursuant to the Anti-TGFβ Antibody License Agreement, and as a result, the Company earned a $10.0 million milestone payment which was recognized as license fees in the consolidated statement of operations and comprehensive loss.

The Company concluded that the development and regulatory milestone payments are solely dependent on Novartis International’s performance and achievement of the specified events. The Company determined that it is not probable that a significant cumulative revenue reversal will not occur in future periods for these future payments. Therefore, the remaining development and regulatory milestones are fully constrained and excluded from the transaction price until the respective milestone is achieved. Any consideration related to commercial milestones (including royalties) will be recognized when the related sales occur as they were determined to relate predominantly to the licenses granted to Novartis International and therefore, have also been excluded from the transaction price. At the end of each reporting period, the Company will update its assessment of whether an estimate of variable consideration is constrained and update the estimated transaction price accordingly.

The Company is also eligible to receive royalties on sales of licensed products, which are tiered based on sales levels and range from a mid single-digit percentage rate to up to a low double-digit percentage rate. Novartis International’s obligation to pay royalties with respect to a particular product and country will continue for the longer of the date of expiration of the last valid patent claim covering the product in that country, or ten years from the date of the first commercial sale of the product in that country.

On October 21, 2020, the first patient was dosed in Novartis International's NIS793 Phase 2 clinical trial and the Company earned a $25.0 million milestone payment. As specified under the terms of the Anti-TGFβ Antibody License Agreement, the Company received $17.7 million in cash and the remaining balance of $7.3 million was recognized as a reduction to the Company's debt obligation to Novartis. The Company is eligible to receive up to a total of $445.0 million in the remaining development, regulatory and commercial milestones under the Anti-TGFβ Antibody License Agreement.

As of June 30, 2021 and December 31, 2020, there were no contract assets or contract liabilities related to this agreement. None of the costs to obtain or fulfill the contract were capitalized. No revenue was recognized for the three and six months ended June 30, 2021 and 2020.

Novartis – Gevokizumab (VPM087) and IL-1 Beta

On August 24, 2017, the Company and Novartis Pharma AG (“Novartis”) entered into a license agreement (the “Gevokizumab License Agreement”) under which the Company granted to Novartis an exclusive, worldwide, royalty-bearing license to gevokizumab (“VPM087”), a novel anti-Interleukin-1 (“IL-1”) beta allosteric monoclonal antibody and related know-how and patents (altogether, the “XOMA IP”). Under the terms of the Gevokizumab License Agreement, Novartis is solely responsible for the development and commercialization of VPM087 and products containing VPM087.

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On August 24, 2017, pursuant to a separate agreement (the “IL-1 Target License Agreement”), the Company granted to Novartis non-exclusive licenses to its intellectual property covering the use of IL-1 beta targeting antibodies in the treatment and prevention of cardiovascular disease and other diseases and conditions, and an option to obtain an exclusive license (the “Exclusivity Option”) to such intellectual property for the treatment and prevention of cardiovascular disease.

Under the Gevokizumab License Agreement, the Company received total consideration of $30.0 million for the license and rights granted to Novartis. Of the total consideration, $15.7 million was paid in cash and $14.3 million (equal to €12.0 million) was paid by Novartis Institutes for BioMedical Research, Inc. (“NIBR”), on behalf of the Company, to settle the Company’s outstanding debt with Les Laboratories Servier (“Servier”) (the “Servier Loan”). In addition, NIBR extended the maturity date on the Company’s debt to Novartis. The Company also received $5.0 million cash related to the sale of 539,131 shares of the Company’s common stock, at a purchase price of $9.2742 per share. The fair market value of the common stock issued to Novartis was $4.8 million, based on the closing stock price of $8.93 per share on August 24, 2017, resulting in a $0.2 million premium paid to the Company.

Based on the achievement of pre-specified criteria, the Company is eligible to receive up to $438.0 million in development, regulatory and commercial milestones under the Gevokizumab License Agreement. The Company is also eligible to receive royalties on sales of licensed products, which are tiered based on sales levels and range from the high single-digits to mid-teens. Under the IL-1 Target License Agreement, the Company received an upfront cash payment of $10.0 million and is eligible to receive low single-digit royalties on canakinumab sales in cardiovascular indications covered by the Company’s patents. Should Novartis exercise the Exclusivity Option, the royalties on canakinumab sales will increase to the mid single-digits.

Unless terminated earlier, the Gevokizumab License Agreement and IL-1 Target License Agreement will remain in effect, on a country-by-country and product-by-product basis, until Novartis’ royalty obligations end. The two agreements contain customary termination rights relating to material breach by either party. Novartis also has a unilateral right to terminate the Gevokizumab License Agreement on a product-by-product and country-by-country basis or in its entirety on six months’ prior written notice to the Company. Under the IL-1 Target License Agreement, Novartis has a unilateral right to terminate the agreement on a product-by-product and country-by-country basis or in its entirety upon a prior written notice.

The Gevokizumab License Agreement and IL-1 Target License Agreement were accounted for as one arrangement because they were entered into at the same time in contemplation of each other. The Company concluded that there are multiple promised goods and services under the combined arrangement, including the transfer of license to IL-1 beta targeting antibodies, and the transfer of license, know-how, process, materials and inventory related to the VPM087 antibody, which were determined to represent two distinct performance obligations. The Company determined that the Exclusivity Option is not an option with material right because the upfront payments to the Company were not negotiated to provide an incremental discount for the future additional royalties upon exercise of the Exclusivity Option. Therefore, the Company concluded that the Exclusivity Option is not a performance obligation. The additional royalties will be recognized as revenue when, and if, Novartis exercises its option because the Company has no further performance obligations at that point.

At the inception of the arrangement, the Company determined that the transaction price under the arrangement was $40.2 million, which consisted of the $25.7 million upfront cash payments, the $14.3 million Servier Loan payoff and the $0.2 million premium on the sale of the common stock. The transaction price was allocated to the two performance obligations based on their standalone selling prices. The Company determined that the nature of the two performance obligations is the right to use the licenses as they exist at the point of transfer, which occurred when the transfer of materials, process and know-how, and filings to regulatory authority were completed. During the year ended December 31, 2017, the Company recognized the entire transaction price of $40.2 million as revenue upon completion of the delivery of the licenses and related materials, process and know-how and filings to regulatory authority.

The Company concluded that the development and regulatory milestone payments are solely dependent on Novartis’ performance and achievement of specified events. The Company determined that it is not probable that a significant cumulative revenue reversal will not occur in future periods for these future payments. Therefore, the

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development and regulatory milestones are fully constrained and excluded from the transaction price until the respective milestone is achieved. Any consideration related to commercial milestones (including royalties) will be recognized when the related sales occur as they were determined to relate predominantly to the licenses granted to Novartis and therefore, have also been excluded from the transaction price. At the end of each reporting period, the Company will update its assessment of whether an estimate of variable consideration is constrained and update the estimated transaction price accordingly.

As of June 30, 2021 and December 31, 2020, there were no contract assets or contract liabilities related to this arrangement. None of the costs to obtain or fulfill the contract were capitalized. No revenue was recognized for the three and six months ended June 30, 2021 and 2020.

Takeda

On November 1, 2006, the Company entered into a collaboration agreement with Takeda Pharmaceutical Company Limited (“Takeda”) (the “Takeda Collaboration Agreement”) under which the Company agreed to discover and optimize therapeutic antibodies against multiple targets selected by Takeda.

Under the terms of the Takeda Collaboration Agreement, the Company may receive additional milestone payments aggregating up to $19.0 million relating to TAK-079 (mezagitamab) and low single-digit royalties on future sales of all products subject to this license. The Company’s right to milestone payments expires on the later of the receipt of payment from Takeda of the last amount to be paid under the agreement or the cessation by Takeda of all research and development activities with respect to all program antibodies, collaboration targets or collaboration products. The Company’s right to royalties expires on the later of 13.5 years from the first commercial sale of each royalty-bearing discovery product or the expiration of the last-to-expire licensed patent (or 12 years from first commercial sale if there is significant generic competition post patent-expiration).

In February 2009, the Company expanded the existing collaboration to provide Takeda with access to multiple antibody technologies, including a suite of research and development technologies and integrated information and data management systems. The Company may receive milestones of up to $3.3 million per discovery product candidate and low single-digit royalties on future sales of all antibody products subject to this license. The Company’s right to milestone payments expires on the later of the receipt of payment from Takeda of the last amount to be paid under the agreement or the cessation by Takeda of all research and development activities with respect to all program antibodies, collaboration targets or collaboration products. The Company’s right to royalties expires on the later of 10 years from the first commercial sale of such royalty-bearing discovery product or the expiration of the last-to-expire licensed patent.

On November 16, 2020, the first patient was dosed in Takeda’s Phase 2 study of mezagitamab, and the Company earned a $2.0 million milestone payment from Takeda.

Rezolute

On December 6, 2017, the Company entered into a license agreement with Rezolute pursuant to which the Company granted an exclusive global license to Rezolute to develop and commercialize X358 (now “RZ358”) products for all indications. The Company and Rezolute also entered into a common stock purchase agreement pursuant to which Rezolute agreed to issue to the Company, as consideration for receiving the license for RZ358, a certain number of its common stock related to its future financing activities.

Under the terms of the license agreement, Rezolute is responsible for all development, regulatory, manufacturing and commercialization activities associated with RZ358 and is required to make certain development, regulatory and commercial milestone payments to the Company of up to $232.0 million in the aggregate based on the achievement of pre-specified criteria. Under the license agreement, the Company is also eligible to receive royalties ranging from the high

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single-digits to the mid-teens based upon annual net sales of any commercial product incorporating RZ358. Rezolute is obligated to take customary steps to advance RZ358, including using diligent efforts to commence the next clinical study for RZ358 by a certain deadline and to meet certain spending requirements on an annual basis for the program until a marketing approval application for RZ358 is accepted by the FDA. Rezolute’s obligation to pay royalties with respect to a particular RZ358 product and country will continue for the longer of the date of expiration of the last valid patent claim covering the product in that country, or twelve years from the date of the first commercial sale of the product in that country. Rezolute’s future royalty obligations in the United States will be reduced by 20% if the manufacture, use or sale of a licensed product is not covered by a valid XOMA patent claim, until such a claim is issued.

Pursuant to the license agreement, XOMA is eligible to receive a low single-digit royalty on sales of Rezolute’s other non-RZ358 products from its current programs. Rezolute’s obligation to pay royalties with respect to a particular Rezolute product and country will continue for the longer of twelve years from the date of the first commercial sale of the product in that country or for so long as Rezolute or its licensee is selling such product in such country, provided that any such licensee royalty will terminate upon the termination of the licensee’s obligation to make payments to Rezolute based on sales of such product in such country.

The license agreement contains customary termination rights relating to material breach by either party. Rezolute also has a unilateral right to terminate the license agreement in its entirety on ninety days’ notice at any time. The Company has the right to terminate the license agreement if Rezolute challenges the licensed patents.

No consideration was exchanged upon execution of the arrangement. In consideration for receiving the license for RZ358, Rezolute agreed to issue shares of its common stock and pay cash to the Company upon the occurrence of Rezolute’s financing activities.

The license agreement was subsequently amended in 2018, 2019 and 2020. Pursuant to the terms of the license agreement as amended, the Company received a total of $6.0 million upon Rezolute’s achievement of financing activities and $8.5 million in installment payments through October 2020. The Company also received 8,093,010 shares (pre-split shares) of Rezolute’s common stock. During the quarter ended December 31, 2020, Rezolute completed a 1:50 reverse stock split of its common shares and started trading on the Nasdaq Stock Market. As a result, the Company’s number of shares of Rezolute common stock was reduced from 8,093,010 shares (pre-split shares) to 161,860 shares (post-split shares).

The Company reassessed the development and regulatory milestones and concluded that such variable consideration is fully constrained and excluded from the transaction price as of June 30, 2021 and December 31, 2020.

Janssen Biotech

The Company and Janssen Biotech, Inc. (“Janssen”) were parties to a license agreement which was terminated in 2017. In August 2019, the Company and Janssen entered into a new agreement pursuant to which the Company granted a non-exclusive license to Janssen to develop and commercialize certain drug candidates under the XOMA patents and know-how. Under the new agreement, Janssen made a one-time payment of $2.5 million to XOMA. Additionally, for each drug candidate, the Company is entitled to receive milestone payments of up to $3.0 million upon Janssen’s achievement of certain clinical development and regulatory approval events. Additional milestones may be due for drug candidates which are the subject of multiple clinical trials. Upon commercialization, the Company is eligible to receive 0.75% royalty on net sales of each product. Janssen’s obligation to pay royalties with respect to a particular product and country will continue until the eighth-year and sixth-month anniversary of the first commercial sale of the product in such country. The new agreement will remain in effect unless terminated by mutual written agreement of the parties.

The Company concluded that the new agreement should be accounted for separately from any prior arrangements with Janssen and that the license grant is the only performance obligation under the new agreement. The Company

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recognized the entire one-time payment of $2.5 million as revenue in the consolidated statement of operations and comprehensive loss for the year ended December 31, 2019 as it had completed its performance obligation.

The Company concluded that the development and regulatory milestone payments are solely dependent on Janssen’s performance and achievement of specified events and thus it is not probable that a significant cumulative revenue reversal will not occur in future periods for these future payments. Therefore, the development and regulatory milestones are fully constrained and excluded from the transaction price until the respective milestone is achieved. Any consideration related to royalties will be recognized when the related sales occur as they were determined to relate predominantly to the license granted to Janssen and therefore, have also been excluded from the transaction price. At the end of each reporting period, the Company will update its assessment of whether an estimate of variable consideration is constrained and update the estimated transaction price accordingly.

In May 2021, the Company earned a $0.5 million milestone from Janssen, upon dosing of the first patient in a Phase 3 clinical trial evaluating one of Janssen’s biologic assets.

As of June 30, 2021 and December 31, 2020, there were no contract assets or contract liabilities related to this arrangement. None of the costs to obtain or fulfill the contract were capitalized. The Company recognized milestone revenue of $0.5 million for the three and six months ended June 30, 2021. No revenue was recognized for the three and six months ended June 30, 2020.

Affimed

The Company and Affimed N.V. (“Affimed”) were parties to a license agreement which was subsequently terminated. In April 2021, the Company and Affimed entered into a new agreement, under which the Company is eligible to receive payments from Affimed on potential future commercial sales related to three innate cell engager (“ICE”) molecules and any product candidates containing the ICE molecules. Additionally, the Company is eligible to receive a milestone for each program upon each product candidate achieving marketing approval.

The Company concluded that the commercial milestone payments are solely dependent on Affimed’s performance and achievement of specified events. The Company determined that it is not probable that a significant cumulative revenue reversal will not occur in future periods for these future payments. Therefore, the commercial milestones are fully constrained and excluded from the transaction price until the respective milestone is achieved. Any consideration related to commercial milestones (including royalties) will be recognized when the related approvals occur and therefore, have also been excluded from the transaction price. At the end of each reporting period, the Company will update its assessment of whether an estimate of variable consideration is constrained and update the estimated transaction price accordingly.

As of June 30, 2021, there were no contract assets or contract liabilities related to this arrangement. None of the costs to obtain or fulfill the contract were capitalized. No revenue was recognized for the three and six months ended June 30, 2021.

NIAID

Prior to the sale of the Company’s biodefense business in 2016, the Company performed services under a $64.8 million multiple-year contract funded with federal funds from NIAID (Contract No. HHSN272200800028C), for development of anti-botulinum antibody product candidates. The contract work was being performed on a cost-plus fixed fee basis over a three-year period. The Company recognized revenue under the arrangement as the services were performed on a proportional performance basis. Consistent with the Company’s other contracts with the U.S. government, invoices were provisional until finalized. The Company operated under provisional rates from 2010 through 2015, subject to adjustment based on actual rates upon agreement with the government. In 2014, upon completion of NIAID’s review of hours and external expenses, XOMA agreed to exclude certain hours and external expenses resulting in a $0.4 million receivable and $0.8 million deferred revenue balances. As of December 31, 2017, the Company wrote off the $0.4 million receivable from NIAID as the likelihood of collection was remote. In October of 2019, NIH, which includes NIAID, notified the Company that it engaged KPMG to perform an audit of the Company’s incurred cost submissions for 2013,

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2014 and 2015. The KPMG testing procedures were completed in December 2020. As a result, the Company recognized $1.4 million as estimated refund liabilities owed to NIH on the consolidated balance sheet as of December 31, 2020. The additional $0.6 million liability was recognized as a reduction of revenue from contracts with customers in the consolidated statement of operations and comprehensive income (loss) for the year ended December 31, 2020. The audit remains subject to further review by NIH as part of the contract close-out process, which includes finalization of rates for years 2010 through 2015, and the Company may incur a further liability as a result. The Company had $1.4 million as contingent liabilities on the condensed consolidated balance sheets as of June 30, 2021 and December 31, 2020, related to these matters.

Sale of Future Revenue Streams

On December 21, 2016, the Company entered into two royalty interest sale agreements (together, the “Royalty Sale Agreements”) with HCRP. Under the first Royalty Sale Agreement, the Company sold its right to receive milestone payments and royalties on future sales of products subject to a License Agreement, dated August 18, 2005, between XOMA and Wyeth Pharmaceuticals (subsequently acquired by Pfizer, Inc. (“Pfizer”)) for an upfront cash payment of $6.5 million, plus potential additional payments totaling $4.0 million in the event three specified net sales milestones were met in 2017, 2018 and 2019. Based on actual sales, 2017, 2018, and 2019 sales milestones were not achieved. Under the second Royalty Sale Agreement entered into in December 2016, the Company sold its right to receive certain royalties under an Amended and Restated License Agreement dated October 27, 2006 between XOMA and Dyax Corp. for a cash payment of $11.5 million.

The Company classified the proceeds received from HCRP as unearned revenue, to be recognized as revenue under units-of-revenue method over the life of the license agreements because of the Company’s limited continuing involvement in the Acquisition Agreements. Such limited continuing involvement is related to the Company’s undertaking to cooperate with HCRP in the event of litigation or a dispute related to the license agreements. Because the transaction was structured as a non-cancellable sale, the Company does not have significant continuing involvement in the generation of the cash flows due to HCRP and there are no guaranteed rates of return to HCRP, the Company recorded the total proceeds of $18.0 million as unearned revenue recognized under units-of-revenue method. The Company allocated the total proceeds between the two Royalty Sale Agreements based on the relative fair value of expected payments to be made to HCRP under the license agreements. The unearned revenue is being recognized as revenue over the life of the underlying license agreements under the "units-of-revenue" method. Under this method, amortization for a reporting period is calculated by computing a ratio of the allocated proceeds received from HCRP to the payments expected to be made by the licensees to HCRP over the term of the Acquisition Agreements, and then applying that ratio to the period’s cash payment. During the third quarter of 2018, the Shire product underlying the Dyax Corp. license agreement was approved, and the Company began recognizing revenue under the units-of-revenue method due to sales of the approved product.

The Company recognized $0.4 million and $0.7 million as revenue under units-of-revenue method under these arrangements during the three and six months ended June 30, 2021, respectively. The Company recognized $0.4 million and $0.7 million as revenue under units-of-revenue method under these arrangements during the three and six months ended June 30, 2020, respectively.

As of June 30, 2021, the Company classified $1.5 million and $12.7 million as current and non-current unearned revenue recognized under units-of-revenue method, respectively. As of December 31, 2020, the current and non-current portion of the remaining unearned revenue recognized under units-of-revenue method was $1.5 million and $13.5 million, respectively.

5. Royalty Purchase Agreements

Royalty Purchase Agreement with Agenus, Inc.

On September 20, 2018, the Company entered into a royalty purchase agreement (the “Agenus Royalty Purchase Agreement”) with Agenus, Inc., and certain affiliates (collectively, “Agenus”). Under the Agenus Royalty Purchase Agreement, the Company purchased from Agenus the right to receive 33% of the future royalties on six Incyte Europe S.a.r.l. (“Incyte”) immuno-oncology assets, currently in development, due to Agenus from Incyte (net of certain royalties

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payable by Agenus to a third party) and 10% of all future developmental, regulatory and commercial milestones related to these assets. However, the Company did not have a right to the expected near-term milestone associated with the entry of INCAGN2390 (anti-TIM-3) into its Phase 1 clinical trial. The future royalties due to Agenus from Incyte are based on low single to mid-teen digit percentage of applicable net sales.

In addition, the Company purchased from Agenus the right to receive 33% of the future royalties on MK-4830, an immuno-oncology product currently in clinical development, due to Agenus from Merck Sharp & Dohme Corp. (“Merck”) and 10% of all future developmental, regulatory and commercial milestones related to this asset. The future royalties due to Agenus from Merck are based on low single-digit percentage of applicable net sales. Pursuant to the Agenus Royalty Purchase Agreement, the Company’s share in future potential development, regulatory and commercial milestones is up to $59.5 million. There is no limit on the amount of future royalties on sales that the Company may receive under the agreements.

Under the terms of the Agenus Royalty Purchase Agreement, the Company paid Agenus $15.0 million. The Company financed $7.5 million of the purchase price with a term loan under its Loan and Security Agreement with Silicon Valley Bank (Note 8).

At the inception of the agreement, the Company recorded $15.0 million as long-term royalty receivables in the condensed consolidated balance sheets.

In November 2020, MK-4830 advanced into Phase 2 development and Agenus earned a $10.0 million clinical development milestone under its license agreement with Merck, of which the Company earned $1.0 million. In accordance with the cost recovery method, the $1.0 million milestone received was recorded as a direct reduction of the recorded long-term royalty receivable balance.

The Company continues to assess that no further payments are probable to be received under this agreement in the near term. Under the cost recovery method, the Company does not expect to recognize any income related to milestones and royalties received until the investment has been fully collected. The Company performed its quarterly impairment assessment and no impairment indicators were identified. Accordingly, no impairment was recorded as of June 30, 2021.

Royalty Purchase Agreement with Bioasis Technologies, Inc.

On February 25, 2019, the Company entered into a royalty purchase agreement (the “Bioasis Royalty Purchase Agreement”) with Bioasis Technologies, Inc. and certain affiliates (collectively “Bioasis”). Under the Bioasis Royalty Purchase Agreement, the Company purchased potential future milestone and royalty rights from Bioasis for product candidates that are being developed pursuant to a license agreement between Bioasis and Prothena Biosciences Limited. In addition, the Company was granted options to purchase a 1% royalty right on the next two license agreements entered into between Bioasis and third-party licensees subject to certain payments and conditions as well as a right of first negotiation on subsequent Bioasis license agreements with third parties. Upon exercise of the option related to the second license agreement executed by Bioasis, the Company may be obligated to pay up to $0.3 million per licensed product. Upon exercise of the option related to the third license agreement executed by Bioasis, the Company may be obligated to pay up to $0.4 million per licensed product.

Under the terms of the Bioasis Royalty Purchase Agreement, the Company paid $0.3 million and will make contingent future cash payments of up to $0.2 million to Bioasis as the licensed product candidates reach certain development milestones (the “Bioasis Contingent Consideration”).

At the inception of the agreement, the Company recorded $0.4 million as long-term royalty receivables in its condensed consolidated balance sheet, including the estimated fair value of the Bioasis Contingent Consideration of $0.1 million. Future changes in the estimated fair value of the contingent consideration will be recognized in the other income (expense), net line item of the condensed consolidated statement of operations and comprehensive loss. As of June 30, 2021, there was no change in the fair value of the contingent consideration from its initial value and no amounts were paid during the three and six months ended June 30, 2021. The Company continues to assess that no payments are probable to be received under this agreement in the near term. Under the cost recovery method, the Company does not expect to

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recognize any income related to milestones and royalties received until the investment has been fully collected. The Company performed its quarterly impairment assessment and no impairment indicators were identified. Accordingly, no impairment was recorded as of June 30, 2021.

On November 2, 2020, the Company entered into another royalty purchase agreement (the “Second Bioasis Royalty Purchase Agreement”) with Bioasis. Under the Second Bioasis Royalty Purchase Agreement, the Company purchased potential future milestone and other payments, and royalty rights from Bioasis for product candidates that are being developed pursuant to a research collaboration and license agreement between Bioasis and Chiesi Farmaceutici S.p.A. (“Chiesi”). The Company paid Bioasis $1.2 million upon closing of the Second Bioasis Royalty Purchase Agreement for the purchased rights.

At the inception of the Second Bioasis Royalty Purchase Agreement, the Company recorded $1.2 million as long-term royalty receivables in its consolidated balance sheet. The Company continues to assess that no payments are probable to be received under the Second Bioasis Royalty Purchase Agreement in the near term. Under the cost recovery method, the Company does not expect to recognize any income related to milestones and other payments until the investment has been fully collected. The Company performed its quarterly impairment assessment and no impairment indicators were identified. Accordingly, no impairment was recorded as of June 30, 2021.

Royalty Purchase Agreement with Aronora, Inc.

On April 7, 2019, the Company entered into a royalty purchase agreement (the “Aronora Royalty Purchase Agreement”) with Aronora, Inc. (“Aronora”), which closed on June 26, 2019. Under the Aronora Royalty Purchase Agreement, the Company purchased from Aronora the right to receive future royalties and a portion of upfront, milestone, and option payments (the “Non-Royalties”) related to five anti-thrombotic hematology drug candidates. Three candidates were subject to Aronora’s collaboration with Bayer Pharma AG (“Bayer”) (the “Bayer Products”), including one which was subject to an exclusive license option by Bayer. The Company will receive 100% of future royalties and 10% of future Non-Royalties from these Bayer Products. The other two candidates are unpartnered (the “non-Bayer Products”) for which the Company will receive low single-digit percentage of net sales and 10% of Non-Royalties. The future payment percentage for Non-Royalties will be reduced from 10% to 5% upon the Company’s receipt of two times the total cumulative amount of consideration paid by the Company to Aronora. In July 2020, Bayer elected to not exercise its option on the third Bayer Product and that product is now subject to the same economics as the non-Bayer Products.

Under the terms of the Aronora Royalty Purchase Agreement, the Company paid Aronora a $6.0 million upfront payment at the close of the transaction. The Company financed $3.0 million of the upfront payment with a term loan under its Loan and Security Agreement with SVB (Note 8). The Company was required to make a contingent future cash payment of $1.0 million for each of the three Bayer Products that were active on September 1, 2019 (up to a total of $3.0 million, the “Aronora Contingent Consideration”). Pursuant to the Aronora Royalty Purchase Agreement, if the Company receives $250.0 million in cumulative royalties on net sales per product, the Company will be required to pay associated tiered milestone payments to Aronora in an aggregate amount of up to $85.0 million per product (the “Royalty Milestones”). The Royalty Milestones are paid based upon various royalty tiers prior to reaching $250.0 million in cumulative royalties on net sales per product. Royalties per product in excess of $250.0 million are retained by the Company.

At the inception of the agreement, the Company recorded $9.0 million as long-term royalty receivables in its condensed consolidated balance sheet, including the estimated fair value of the Aronora Contingent Consideration of $3.0 million. In September 2019, the Company paid the $3.0 million contingent consideration to Aronora. As the Company receives royalties from Aronora for a product, the Company will recognize the liability for future Royalty Milestones for such product when probable and estimable. The Company continues to assess that no payments are probable to be received under this agreement in the near term. Under the cost recovery method, the Company does not expect to recognize any income related to milestones and royalties received until the investment has been fully collected. The Company performed its quarterly impairment assessment and no impairment indicators were identified. Accordingly, no impairment was recorded as of June 30, 2021.

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Royalty Purchase Agreement with Palobiofarma, S.L.

On September 26, 2019, the Company entered into a royalty purchase agreement (the “Palo Royalty Purchase Agreement”) with Palobiofarma, S.L. (“Palo”), a company organized and existing under the laws of Spain. Pursuant to the Palo Royalty Purchase Agreement, the Company acquired the rights to potential royalty payments in low single-digit percentages of aggregate Net Sales (as defined in the Palo Royalty Purchase Agreement) associated with six drug candidates in various clinical development stages, targeting the adenosine pathway with potential applications in solid tumors, non-Hodgkin’s lymphoma, asthma/chronic obstructive pulmonary disease, ulcerative colitis, idiopathic pulmonary fibrosis, lung cancer, psoriasis and nonalcoholic steatohepatitis and other indications (the “Palo Licensed Products”) that are being developed by Palo. Novartis is a development partner on NIR178, one of the Palo Licensed Products, and NIR178 is being developed pursuant to a license agreement between Palo and Novartis.

Under the terms of the Palo Royalty Purchase Agreement, the Company paid Palo a $10.0 million payment at the close of the transaction which occurred simultaneously upon parties’ entry into the Palo Royalty Purchase Agreement on September 26, 2019. The Company financed $5.0 million of the payment with a term loan under its Loan and Security Agreement with SVB (Note 8).

At the inception of the agreement, the Company recorded $10.0 million as long-term royalty receivables in its condensed consolidated balance sheet. The Company continues to assess that no payments are probable to be received under this agreement in the near term. Under the cost recovery method, the Company does not expect to recognize any income related to royalties received until the investment has been fully collected. The Company performed its quarterly impairment assessment and no impairment indicators were identified. Accordingly, no impairment was recorded as of June 30, 2021.

Royalty Purchase Agreement with Viracta Therapeutics, Inc.

On March 22, 2021, the Company entered into a royalty purchase agreement (the “Viracta Royalty Purchase Agreement”) with Viracta Therapeutics, Inc. (“Viracta”). Pursuant to the Viracta Royalty Purchase Agreement, the Company acquired the right to receive future royalties, milestones, and other payments related to two clinical stage drug candidates. The first candidate, DAY101 (pan-RAF kinase inhibitor), is being developed by Day One Biopharmaceuticals, and the second candidate, vosaroxin (topoisomerase II inhibitor), is being developed by Denovo Biopharma. The Company acquired the right to receive (i) up to $54.0 million in potential milestones, potential royalties on sales, if approved, and other payments related to DAY101, excluding up to $20.0 million consideration retained by Viracta; and (ii) up to $57.0 million in potential regulatory and commercial milestones and high single-digit royalties on sales related to vosaroxin, if approved. Under the terms of the Viracta Royalty Purchase Agreement, the Company paid Viracta $13.5 million upon closing of the transaction.

At the inception of the Viracta Royalty Purchase Agreement, the Company recorded $13.5 million as long-term royalty receivables in its condensed consolidated balance sheet. No payments are probable to be received under the Viracta Royalty Purchase Agreement in the near term. Under the cost recovery method, the Company does not expect to recognize any income related to royalties, milestones and other payments until the investment has been fully collected. The Company performed its quarterly impairment assessment and no impairment indicators were identified. Accordingly, no impairment was recorded as of June 30, 2021.

The following table summarizes the long-term royalty receivable activities including acquisitions of royalty rights during the six months ended June 30, 2021 (in thousands):


Balance at December 31, 2020	$	34,575
Acquisition of royalty rights:
Viracta		13,500
Balance at June 30, 2021	$	48,075

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6. Fair Value Measurements

The Company records its financial assets and liabilities at fair value. The carrying amounts of certain of the Company’s financial instruments, including cash, trade receivables, net and accounts payable, approximate their fair value due to their short maturities. Fair value is defined as the exchange price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The accounting guidance for fair value establishes a framework for measuring fair value and a fair value hierarchy that prioritizes the inputs used in valuation techniques. The accounting standard describes a fair value hierarchy based on three levels of inputs, of which the first two are considered observable and the last unobservable, that may be used to measure fair value, which are the following:

Level 1 – Observable inputs, such as unadjusted quoted prices in active markets for identical assets or liabilities.

Level 2 – Observable inputs, either directly or indirectly, other than quoted prices in active markets for identical assets or liabilities, such as quoted prices in active markets for similar assets or liabilities, quoted prices in markets that are not active or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities; therefore, requiring an entity to develop its own valuation techniques and assumptions.

The following tables set forth the Company’s fair value hierarchy for its financial assets and liabilities measured at fair value on a recurring basis as follows (in thousands):


	Fair Value Measurements at June 30, 2021 Using
	Quoted Prices in		Significant Other		Significant
	Active Markets for		Observable		Unobservable
	Identical Assets		Inputs		Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Equity securities	$	2,310	$	—	$	—	$	2,310
Liabilities:
Contingent consideration	$	—	$	—	$	75	$	75


	Fair Value Measurements at December 31, 2020 Using
	Quoted Prices in		Significant Other		Significant
	Active Markets for		Observable		Unobservable
	Identical Assets		Inputs		Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Equity securities	$	—	$	—	$	1,693	$	1,693
Liabilities:
Contingent consideration	$	—	$	—	$	75	$	75

Transfers to and from Levels 1, 2, and 3 are recognized at the end of the reporting period. During the three and six months ended June 30, 2021, the Company’s equity investment in Rezolute’s common stock transferred from Level 3 to Level 1. In reporting periods prior to June 30, 2021, the Company applied an illiquidity discount to the fair value of Rezolute’s common stock due to the lack of trading volume, resulting in classification as Level 3. As of June 30, 2021, there was sufficient and consistent trading volume on the Nasdaq Stock Market to provide an estimate of fair value utilizing quoted prices in an active market for the identical securities as of the reporting date, resulting in classification as Level 1. There were no transfers between levels for the three and six months ended June 30, 2020.

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Equity Securities

The following table reconciles the beginning and ending balance for the Level 3 financial assets recurring fair value measurement for the six months ended June 30, 2021 (in thousands):


	Six Months Ended
	June 30,
Balance at December 31, 2020	$	1,693
Change in fair value		617
Transfer out of Level 3		(2,310)
Balance at June 30, 2021	$	—

The equity securities consisted of an investment in Rezolute’s common stock and are classified on the condensed consolidated balance sheets as current assets as of June 30, 2021, and long-term assets as of December 31, 2020. The reclassification from noncurrent to current assets was due to the equity securities achieving sufficient and consistent trading volume on the Nasdaq Stock Market as of the June 30, 2021 reporting date. The equity securities are revalued each reporting period with changes in fair value recorded in the other income (expense), net line item of the condensed consolidated statements of operations and comprehensive loss.

As of December 31, 2020, the Company and its valuation specialist, valued the equity securities using the closing price for Rezolute’s common stock traded on the Nasdaq Stock Market and adjusted for an illiquidity discount. The inputs that were used to calculate the illiquidity discount were based on observable and unobservable estimates and judgments and therefore were classified as a Level 3 fair value measurement. As the Company has the right and option to sell up to 100,000 shares of Rezolute’s common stock back to Rezolute after December 31, 2019 (Note 4), the fair value of the equity securities was determined by dividing the total shares of Rezolute’s common stock held by the Company into two tranches based on the estimated time to a potential liquidity event.

As of June 30, 2021, the Company valued the equity securities using the closing price for Rezolute’s common stock traded on the Nasdaq Stock Market. The inputs that were used to calculate the fair value of the equity securities were observable prices in active markets and therefore were classified as a Level 1 fair value measurement.

The closing price of Rezolute’s common stock as per the Nasdaq Stock Market was $14.27 and $11.99 as of June 30, 2021 and December 31, 2020, respectively. The estimated fair value of the equity securities as of December 31, 2020 was calculated based on the following assumptions:


	June 30,			December 31,
	2021			2020
Closing common stock price	$	14.27		$	11.99

Tranche 1:
Discount for lack of marketability		N/A⁽¹⁾	%		12	%
Estimated time to liquidity of shares					0.25 year

Tranche 2:
Discount for lack of marketability		N/A⁽¹⁾	%		14	%
Estimated time to liquidity of shares					0.67 years

(1)

Due to sufficient and consistent trading volume, the equity investment will be measured at the closing price per the Nasdaq Stock Market as of June 30, 2021. The assumptions related to the unobservable inputs identified above, and any changes in those assumptions thereto, will no longer be considered in determining the fair value of the equity securities.

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Contingent Consideration

The estimated fair value of the contingent consideration liability at the inception of the Bioasis Royalty Purchase Agreement represents the future consideration that is contingent upon the achievement of specified development milestones for a product candidate. The fair value measurement is based on significant Level 3 inputs such as anticipated timelines and probability of achieving development milestones of each licensed product candidate. Changes in the fair value of the liability for contingent consideration will be recorded in the other income (expense), net line item of the condensed consolidated statements of operations and comprehensive loss until settlement. As of June 30, 2021, there were no changes in the estimated fair value of the contingent consideration from its initial value of $0.1 million.

7. Lease Agreements

The Company leases one facility in Emeryville, California under an operating lease that expires in February 2023. The lease contains an option to extend the lease for an additional term, however, the Company is not reasonably certain to exercise this option.

The following table summarizes maturity of the Company’s operating lease liabilities as of June 30, 2021 (in thousands):


	Operating
Undiscounted lease payments	Leases
2021 (excluding six months ended June 30, 2021)	$	98
2022		202
2023		34
Thereafter		—
Total undiscounted lease payments		334
Present value adjustment		(14)
Total net lease liabilities	$	320

The following table summarizes the cost components of the Company’s operating leases for the three and six months ended June 30, 2021 and 2020 (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Lease costs:
Operating lease cost	$	44	$	44	$	88	$	88
Variable lease cost ⁽¹⁾		2		1		5		2
Total lease costs	$	46	$	45	$	93	$	90

(1)

Under the terms of the lease agreements, the Company is also responsible for certain variable lease payments that are not included in the measurement of the lease liability. Variable lease payments include non-lease components such as common area maintenance fees.

The following information represents supplemental disclosure for the statement of cash flows related to operating leases (in thousands):

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The present value assumptions used in calculating the present value of the lease payments as of June 30, 2021 and December 31, 2020 were as follows:


	June 30,		December 31,
	2021		2020
Weighted-average remaining lease term
Operating leases	1.67 years		2.17 years
Weighted-average discount rate
Operating leases	5.51	%	5.51	%

8. Long-Term Debt and Other Financings

Silicon Valley Bank Loan Agreement

On May 7, 2018 (the “Effective Date”), the Company executed a Loan and Security Agreement (the “Loan Agreement”) with SVB. Under the Loan Agreement, upon the Company’s request, SVB made advances (each, a “Term Loan Advance”) available to the Company up to $20.0 million (the “Term Loan”). The Company was allowed to borrow advances under the Term Loan from the Effective Date until the earlier of March 31, 2019 or an event of default (the “Draw Period”). The interest rate was calculated at a rate equal to the greater of (i) 4.75%, or (ii) 0.25% plus the prime rate as reported from time to time in The Wall Street Journal.

Payments under the Loan Agreement were interest only until the first anniversary of the funding date of each Term Loan Advance. The interest-only period was followed by equal monthly payments of principal and interest over 24 months. Each Term Loan Advance was scheduled to mature at the earlier of (i) the 23 months following the applicable term loan amortization date for each such Term Loan Advance (ii) March 1, 2023, or (iii) 30 days prior to the earliest maturity of any portion of the Company’s loan with Novartis (the “Loan Maturity Date”). After repayment, no Term Loan Advance (or any portion thereof) may be reborrowed. The entire principal balance, including a final payment fee equal to 8.5% of the original principal, was due and payable on the Loan Maturity Date.

In June 2021, the Company repaid its principal balance of $6.5 million and paid the 8.5% final payment fee of $1.4 million to SVB. The Company also paid SVB a prepayment fee of 1% of the outstanding principal balance.

In connection with the Loan Agreement, the Company issued a warrant to SVB which is exercisable in whole or in part for up to an aggregate of 6,332 shares of common stock with an exercise price of $23.69 per share (the “Warrant”). The Warrant may be exercised on a cashless basis and is exercisable within 10 years from the date of issuance or upon the consummation of certain acquisitions of the Company. The fair value of the Warrant issued to SVB was determined using the Black-Scholes Model and was estimated to be $0.1 million. In addition, the Company incurred debt issuance costs of $0.2 million in connection with the Loan Agreement.

On March 4, 2019, the Loan Agreement was amended to extend the Draw Period from March 31, 2019 to March 31, 2020. In connection with the amendment, the Company issued a second warrant to SVB which is exercisable in whole or in part for up to an aggregate of 4,845 shares of common stock with an exercise price of $14.71 per share. The fair value of the second warrant issued to SVB was determined using the Black-Scholes Model and was estimated to be $0.1 million. The Draw Period has not been extended further.

As of June 30, 2021, both warrants are outstanding. In addition, both warrants may be exercised on a cashless basis and are exercisable within 10 years from the date of issuance or upon the consummation of certain acquisitions of the Company.

In September 2018, the Company borrowed advances of $7.5 million under the Loan Agreement in connection with the Agenus Royalty Purchase Agreement (Note 5). The Company recorded a discount of $0.3 million against the debt, which was being amortized to interest expense over the term of the Term Loan Advance using the effective interest method.

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During the year ended December 31, 2019, the Company borrowed advances totaling $9.5 million under the Loan Agreement in connection with the Aronora Royalty Purchase Agreement, Palo Royalty Purchase Agreement and payment of the Aronora Contingent Consideration (Note 5). The Company recorded a discount of $45,000 against the debt, which was being amortized to interest expense over the term of the Term Loan Advance using the effective interest method.

The Company recorded $0.1 million and $0.2 million of non-cash interest expense resulting from the amortization of the discount and accretion of the final payment for the three and six months ended June 30, 2021, respectively. The Company recorded $0.2 million and $0.4 million of non-cash interest expense resulting from the amortization of the discount and accretion of the final payment for the three and six months ended June 30, 2020, respectively.

As of December 31, 2020, the carrying value of the debt under the Loan Agreement was $11.8 million. Of this amount, $8.1 million was classified as current portion of long-term debt and $3.7 million was classified as long-term debt on the condensed consolidated balance sheet. In June 2021, the Company paid off its entire outstanding principal balance to SVB. Upon repayment of the principal balance, the Company recognized a loss on extinguishment of $0.3 million in the other income (expense), net line item of the condensed consolidated statement of operations for the three and six months ended June 30, 2021. As of June 30, 2021, there was no carrying value of the debt under the Loan Agreement.

Novartis Note

In May 2005, the Company executed a secured note agreement (the “Note Agreement”) with Novartis, which was due and payable in full in June 2015. Under the Note Agreement, the Company borrowed semi-annually to fund up to 75% of the Company’s research and development and commercialization costs under its collaboration arrangement with Novartis, not to exceed $50.0 million in aggregate principal amount. Interest on the principal amount of the loan accrued at six-month LIBOR plus 2% and the interest rate reset in June and December annually. Accrued interest was payable semi-annually in June and December of each year or, at the Company’s election, the semi-annual interest payments could be added to the outstanding principal amount, in lieu of a cash payment, as long as the aggregate principal amount did not exceed $50.0 million. The Company made this election for all interest payments. Loans under the Note Agreement were secured by the Company’s interest in its collaboration with Novartis, including any payments owed to it thereunder. In June 2021, the Company repaid its outstanding principal balance to Novartis of $9.1 million and extinguished its debt obligation.

On September 30, 2015, concurrent with the execution of a license agreement with Novartis International as discussed in Note 4, XOMA and NIBR, who assumed the rights to the note from Novartis Vaccines Diagnostics, Inc. executed an amendment to the Note Agreement (the “Secured Note Amendment”) under which the parties extended the maturity date of the note from September 30, 2015 to September 30, 2020, and eliminated the mandatory prepayment previously required to be made with certain proceeds of pre-tax profits and royalties. In addition, upon achievement of a specified development and regulatory milestone, the then-outstanding principal amount of the note was to be reduced by $7.3 million rather than the Company receiving such amount as a cash payment.

On September 22, 2017, in connection with the Gevokizumab License Agreement with Novartis, the Company and NIBR executed an amendment to the Secured Note Amendment under which the parties further extended the maturity date of the Secured Note Amendment from September 30, 2020 to September 30, 2022.

On October 21, 2020, the first patient was dosed in Novartis International’s NIS793 Phase 2 clinical trial and the Company earned a $25.0 million milestone pursuant to the Anti-TGFβ Antibody License Agreement, of which $17.7 million was received in cash and $7.3 million was recognized as a reduction to the debt obligation to Novartis.

As of December 31, 2020, the outstanding principal balance under the Secured Note Amendment was $9.1 million and was included in long-term debt in the accompanying condensed consolidated balance sheet. In June 2021, the Company repaid its entire outstanding debt balance to Novartis. The repayment of principal did not result in any gain or loss on extinguishment. As of June 30, 2021, there was no carrying value of the debt under the Secured Note Agreement.

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Interest Expense

Amortization of debt issuance costs and discounts are included in interest expense. Interest expense in the condensed consolidated statements of operations and comprehensive loss relates to the following debt instruments (in thousands):


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
SVB loan	$	135	$	356	$	373	$	739
Novartis note		37		151		88		309
Other		—		1		—		2
Total interest expense	$	172	$	508	$	461	$	1,050

9. Common Stock Warrants

As of June 30, 2021 and December 31, 2020, the following common stock warrants were outstanding:


			Exercise Price		June 30,	December 31,
Issuance Date	Expiration Date	Balance Sheet Classification	per Share		2021	2020
February 2016	February 2021	Stockholders’ equity	$	15.40	—	8,249
May 2018	May 2028	Stockholders’ equity	$	23.69	6,332	6,332
March 2019	March 2029	Stockholders’ equity	$	14.71	4,845	4,845
					11,177	19,426

During the first quarter of 2021, the Company issued 4,917 shares of common stock through a cashless exercise of the February 2016 common stock warrants held by Torreya Partners LLC.

10. Commitments and Contingencies

Collaborative Agreements, Royalties and Milestone Payments

The Company has committed to make potential future milestone payments and legal fees to third parties as part of licensing and development programs. Payments under these agreements become due and payable only upon the achievement of certain developmental, regulatory and commercial milestones by the Company’s licensees. Because it is uncertain if and when these milestones will be achieved, such contingencies, aggregating up to $7.6 million (assuming one product per contract meets all milestones events) have not been recorded on the accompanying condensed consolidated balance sheets. The Company is unable to determine precisely when and if payment obligations under the agreements will become due as these obligations are based on milestone events, the achievement of which is subject to a significant number of risks and uncertainties.

Contingent Consideration

Pursuant to the Company’s royalty purchase agreement with Bioasis the Company has committed to pay the Bioasis Contingent Consideration and the Aronora Royalty Milestones. The Company recorded $0.1 million for the Bioasis Contingent Consideration which represents the estimated fair value of these potential future payments at the inception of the agreements. The contingent consideration is remeasured at fair value at each reporting period, with changes in fair value recorded in other income (expense), net. As of June 30, 2021, there were no changes in the estimated fair value of the Bioasis Contingent Consideration from its initial value. The liability for future Aronora Royalty Milestones will be recorded when the amounts by product are estimable and probable. As of June 30, 2021, none of these Aronora Royalty Milestones were assessed to be probable and as such, no liability was recorded on the condensed consolidated balance sheet.

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11. Stock-based Compensation

The Company may grant qualified and non-qualified stock options, common stock and other stock-based awards under various plans to directors, officers, employees and other individuals. Stock options are granted at exercise prices of not less than the fair market value of the Company’s common stock on the date of grant. Additionally, the Company has an Employee Stock Purchase Plan (“ESPP”) that allows employees to purchase Company shares at a purchase price equal to 85% of the lower of the fair market value of the Company’s common stock on the first trading day of the offering period or on the last day of the offering period.

Stock Options

Stock options generally vest monthly over three years for employees and one year for directors. Stock options held by employees who qualify for retirement age (defined as employees that are a minimum of 55 years of age and the sum of their age plus years of full-time employment with the Company exceeds 70 years) vest on the earlier of scheduled vest date or the date of retirement.

The fair value of the stock options granted during the three and six months ended June 30, 2021 and 2020, was estimated based on the following weighted average assumptions:


	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Dividend yield	0	%	0	%	0	%	0	%
Expected volatility	76	%	100	%	94	%	100	%
Risk-free interest rate	1.06	%	0.40	%	0.77	%	0.77	%
Expected term	6.00 years		5.93 years		5.68 years		5.66 years

Stock option activity for the six months ended June 30, 2021, was as follows:


			Weighted		Weighted
			Average		Average		Aggregate
			Exercise		Contractual		Intrinsic
	Number of		Price		Term		Value
	shares		Per Share		(in years)		(in thousands)
Outstanding at January 1, 2021		1,827,906	$	20.66		6.31	$	51,401
Granted		176,429		37.62
Exercised		(73,575)		13.35
Forfeited, expired or cancelled		(57,115)		71.26
Outstanding at June 30, 2021		1,873,645	$	21.00		6.19	$	33,125
Exercisable at June 30, 2021		1,535,686	$	19.37		5.58	$	30,459

The aggregate intrinsic value of stock options exercised during the six months ended June 30, 2021 and 2020 was $1.5 million and $40,000, respectively.

The weighted-average grant-date fair value per share of the options granted during the six months ended June 30, 2021 and 2020 was $27.89 and $16.22, respectively.

As of June 30, 2021, $4.3 million of total unrecognized compensation expense related to stock options is expected to be recognized over a weighted average period of 1.73 years.

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Stock-based Compensation Expense

The following table shows total stock-based compensation expense for stock options and ESPP in the condensed consolidated statements of operations and comprehensive loss (in thousands):


	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Research and development	$	—	$	—	$	—	$	—
General and administrative		768		773		3,666		2,561
Total stock-based compensation expense	$	768	$	773	$	3,666	$	2,561

12. Capital Stock

Series X and Series Y Convertible Preferred Stock

The Company sold directly to Biotechnology Value Fund, L.P. (“BVF”) 5,003 shares of Series X convertible preferred stock in 2017 and 1,252.772 shares of Series Y preferred stock in 2018. There were 5,003 shares of Series X convertible preferred stock and no shares of Series Y convertible preferred stock outstanding as of June 30, 2021, after BVF converted all Series Y preferred stock into common stock on April 15, 2020. The Series X and Series Y convertible preferred stock have the following characteristics, which are set forth in Certificates of Designation of Preferences, Rights and Limitations filed with the Delaware Secretary of State.

Dividends— Holders of convertible preferred stock are entitled to receive dividends on shares of convertible preferred stock equal (on an as if converted to common stock basis) to and in the same form as dividends actually paid on the Company’s common stock.

Liquidation Rights— In the event of the Company’s liquidation, dissolution or winding up, holders of convertible preferred stock will participate, on a pro-rata basis, with any distribution of proceeds to holders of common stock.

Conversion— Each share of Series X and Series Y is convertible into 1,000 shares of registered common stock based on a conversion price of $4.03 per share and $13.00 per share of common stock, respectively.

Voting Rights— Convertible preferred stock will generally have no voting rights, except as required by law and except that the consent of the holders of the outstanding convertible preferred stock will be required to amend the terms and to issue additional shares of the preferred stock.

Classification— The Company evaluated the convertible preferred stock for liability or equity classification under the applicable accounting guidance and determined that equity treatment was appropriate because the convertible preferred stock did not meet the definition of the liability instruments defined thereunder for convertible instruments. Specifically, the convertible preferred shares are not mandatorily redeemable and do not embody an obligation to buy back the shares outside of the Company’s control in a manner that could require the transfer of assets. Additionally, the Company determined that the convertible preferred stock would be recorded as permanent equity, not temporary equity, given that they are not redeemable for cash or other assets (i) on a fixed or determinable date, (ii) at the option of the holder, and (iii) upon the occurrence of an event that is not solely within control of the Company. The Company has also evaluated the embedded conversion and contingent redemption features within the convertible preferred stock in accordance with the accounting guidance for derivatives and determined that bifurcation is not required for any embedded feature.

Beneficial Conversion Feature— The fair value of the common stock into which the Series X convertible preferred stock is convertible exceeded the allocated purchase price of the Series X convertible preferred stock by $5.6 million on the date of issuance, as such the Company recorded a deemed dividend. The Company recognized the resulting beneficial conversion feature as a deemed dividend equal to the number of shares of Series X convertible preferred stock sold on February 16, 2017 multiplied by the difference between the fair value of the common stock and the Series X convertible preferred stock effective conversion price per share on that date. The dividend was reflected as a one-time, non-cash, deemed dividend to the holders of Series X convertible preferred stock on the date of issuance, which is the date

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the stock first became convertible. There was no beneficial conversion feature associated with the issuance of Series Y convertible preferred stock.

Series A Preferred Stock

On December 15, 2020, the Company sold 984,000 shares of its 8.625% Series A cumulative, perpetual preferred stock at the price of $25.00 per share, through a public offering for aggregate gross proceeds of $24.6 million. Total offering costs of $2.0 million were offset against the proceeds from the sale of Series A Preferred Stock, for total net proceeds of $22.6 million.

Mr. Matthew Perry, a member of the Company’s Board of Directors and President of BVF, purchased 200,000 shares of Series A Preferred Stock in the public offering at the public offering price of $25.00 per share for an aggregate amount of $5.0 million. The spouse of James Neal, the Company’s Chief Executive Officer and a director, purchased 8,000 shares of the Series A Preferred Stock in the public offering at the public offering price of $25.00 per share for an aggregate amount of $0.2 million.

The Series A Preferred Stock has the following characteristics, which are set forth in the Certificate of Designation of Preferences, Rights and Limitations filed with the Delaware Secretary of State.

Dividends— Holders of the Series A Preferred Stock shall be entitled to receive, when, and if authorized by the Board of Directors and declared by the Corporation, cumulative cash dividends at the rate of 8.625% per annum of the $25.00 liquidation preference per share of the Series A Preferred Stock. Such dividends will accumulate and be cumulative from, and including, the date of original issue of the Series A Preferred Stock. Dividends will be payable in arrears on or about the 15th day of January, April, July and October of each year beginning on or about April 15, 2021. The amount of any dividend payable on the Series A Preferred Stock for any period greater or less than a full Dividend Period shall be prorated and computed on the basis of a 360-day year consisting of twelve 30-day months.

Liquidation Rights— In the event of the Company’s liquidation, dissolution or winding up, holders of Series A Preferred Stock will rank senior to all classes or series of common stock as to dividend rights and rights upon liquidation, dissolution or winding-up and on parity with respect to the distribution of assets with the Company’s Series X Preferred Stock. The Series A Preferred Stock have a par value of $0.05 per share and a liquidation preference of $25.00 per share plus any accrued and unpaid dividends.

Redemption and Special Optional Redemption— The Company, at its option, may redeem the Series A Preferred Stock, in whole or in part, at any time for a cash redemption price, plus any accrued and unpaid dividends, as follows: (i) $26.00 per share between December 15, 2021 and December 15, 2022, (ii) $25.75 per share between December 15, 2022 and December 15, 2023, (iii) $25.50 per share between December 15, 2023 and December 15, 2024 (iv) $25.25 per share between December 15, 2024 and December 15, 2025 and $25.00 per share on or after December 15, 2025. The Company also has a special optional redemption option whereby, upon the occurrence of a delisting event or change of control event, the Company may redeem outstanding Series A Preferred Stock at an amount of $25.00 per share.

Conversion— The shares of Series A Preferred Stock are not convertible into or exchangeable for any other property or securities of the Company except upon the occurrence of a delisting event or change in control event and the Company has not, on or before the date of such an event, provided the required notice of its election to redeem the Series A Preferred Stock pursuant to its redemption right or special optional redemption right. In this case, the holder of shares of Series A Preferred Stock can convert some or all of their Series A Preferred Stock into a number of shares of common stock per share equal to the lesser of (A) (i) the sum of the $25.00 liquidation preference per share of Series A Preferred Stock to be converted plus (y) the amount of any accrued and unpaid dividends to, but not including, the event date, as applicable by (ii) the common stock price and (B) 1.46071 (the “Share Cap”). The common stock price to be used in the latter noted calculation for a delisting event will be the average of the closing price per share of the Company’s common stock on the 10 consecutive trading days immediately preceding, but not including, the effective date of the delisting event. The common stock price used in the event of a change in control event will, alternatively, be based on market price according to the definition in the Certificate of Designation.

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Voting Rights— Holders of the Series A Preferred Stock generally will have no voting rights, but will have limited voting rights if the issuer fails to pay dividends for six or more quarters (whether or not declared or consecutive) and in certain other events.

Depositary Shares Representing Interest in Series B Preferred Stock

On April 9, 2021, the Company sold 1,600,000 depositary shares, each representing a 1/1000th fractional interest in a share of the Company’s Series B Preferred Stock, at the price of $25.00 per depositary share, through a public offering for aggregate gross proceeds of $40.0 million. Total offering costs of $2.9 million were offset against the proceeds from the sale of depositary shares, for net proceeds of $37.1 million.

The spouse of James Neal, the Chief Executive Officer and a director, purchased 8,000 shares of the depositary shares in the public offering at the public offering price of $25.00 per share for an aggregate amount of $0.2 million.

The Series B Preferred Stock has the following characteristics, which are set forth in the Certificate of Designation of 8.375% Series B Cumulative Perpetual Preferred Stock, as corrected, filed with the Delaware Secretary of State.

Dividends— Holders of Series B Preferred Stock shall be entitled to receive cash dividends, when and if declared by the Board of Directors at the rate of 8.375% per annum of the $25,000.00 liquidation preference per share, which equals $2,093.75 per share each year. Such dividends shall be payable quarterly in arrears on or about the 15th calendar day of each January, April, July and October commencing on or about July 15, 2021. The dividends will accumulate and be cumulative from, and including, the date of original issue of the Series B Preferred Stock, on the basis of a 360-day year consisting of twelve 30-day months. Dividends will be payable to holders of record as they appear in the stockholder records of the Company (or the depositary in the case of depositary shares representing underlying Series B Preferred Stock) at the close of business on the applicable dividend record date.

Liquidation Preference - Upon any voluntary or involuntary liquidation, dissolution or winding up of the Company, before any distribution or payment shall be made to holders of shares of Common Stock or any other class or series of capital stock of the Company ranking junior to the Series B Preferred Stock, the holders of shares of Series B Preferred Stock shall be paid out of the assets of the Company, after payment of or provision for the debts and other liabilities and any class or series of capital stock, as to rights upon any voluntary or involuntary liquidation, dissolution or winding up, senior to the Series B Preferred Stock. The Series B Preferred Stock have a par value of $0.05 per share and a liquidation preference of $25,000.00 per share plus any accrued and unpaid dividends.

Redemption and Special Redemption - On and after April 15, 2022, the Company, at its option, may redeem the Series B Preferred Stock, for cash, in whole or in part, at any time or from time to time, as follows: (i) between April 15, 2022 to April 15, 2023, at a redemption price of $26,000.00 per share ($26.00 per depositary share), (ii) between April 15, 2023 to April 15, 2024, at a redemption price of $25,750.00 per share ($25.75 per depositary share), (iii) between April 15, 2024 to April 15, 2025, at a redemption price of $25,500.00 per share ($25.50 per depositary share), (iv) between April 15, 2025 to April 15, 2026, at a redemption price of $25,250.00 per share ($25.25 per depositary share), and (v) after April 15, 2026, at a redemption price of $25,000.00 per share ($25.00 per depositary share), and in each case, plus any accrued and unpaid dividends thereon up to but not including the date fixed for redemption, without interest. If fewer than all of the outstanding shares of Series B Preferred Stock are to be redeemed, the shares to be redeemed will be determined pro rata or by lot. Upon the occurrence of a delisting event or change of control the Company will have the option to redeem the Series B Preferred Stock, in whole or in part, for cash at $25,000.00 per share plus accrued and unpaid dividends.

Conversion - The shares of Series B Preferred Stock are not convertible into or exchangeable for any other property or securities of the Company, except upon the occurrence of a delisting event or a change of control, each holder Series B Preferred Stock will have the right (unless the Company has elected to redeem the Series B Preferred Stock) to convert some or all of the shares of Series B Preferred Stock held by such holder on the delisting event conversion date or change of control conversion date into a number of shares of the common stock (or equivalent value of alternative

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consideration) per share of Series B Preferred Stock, equal to the lesser of (A) the quotient obtained by dividing (1) the sum of the $25,000.00 per share liquidation preference plus the amount of any accumulated and unpaid dividends up to, but not including, the delisting event conversion date or change of control conversion date, as applicable (unless the delisting event conversion date or change of control conversion date, is after a record date for a Series B Preferred Stock dividend payment and prior to the corresponding Series B Preferred Stock dividend payment date, in which case no additional amount for such accumulated and then remaining unpaid dividend will be included in this sum) by (2) the common stock price (such quotient, the “Conversion Rate”); and (B) 1,253.13 (1.25313 per depositary share) (i.e., the “Share Cap”), subject to certain adjustments described in the Series B Preferred Stock Certificate of Designation.

Voting Rights— Holders of the Series B Preferred Stock generally will have no voting rights, but will have limited voting rights if the issuer fails to pay dividends for six or more quarters (whether or not declared or consecutive) and in certain other events.

Classification—The Company evaluated the convertible preferred stock for liability or equity classification under the applicable accounting guidance and determined that treatment as equity was appropriate.

Dividends

On March 17, 2021, the Company’s Board of Directors declared a cash dividend of $0.71875 per share payable to holders of Series A Preferred Stock, which the Company paid on April 15, 2021. On May 21, 2021, the Company’s Board of Directors declared a cash dividend of $0.53906 per share payable to holders of Series A Preferred Stock and $0.55833 per depositary share of Series B Preferred Stock, payable to holders of depositary shares, on or about July 15, 2021. As of June 30, 2021, the Company held restricted cash of $4.8 million in a segregated account that may only be used to pay dividends on the Series A and Series B Preferred Stock.

BVF Ownership

In February 2020, BVF elected to increase the beneficial ownership limitation of the Series Y preferred stock to 50%, which became effective on April 11, 2020. On April 15, 2020, BVF converted all of its shares of Series Y preferred stock into common stock. As of June 30, 2021, BVF owned approximately 31.2% of the Company’s total outstanding shares of common stock, and if all the Series X convertible preferred shares were converted, BVF would own 52.3% of the Company’s total outstanding shares of common stock. The Company’s Series A Preferred Stock becomes convertible upon the occurrence of specific events and as of June 30, 2021, the contingency was not met, therefore the Series A Preferred Stock is not included in the as-converted ownership calculation. Due to its significant equity ownership, BVF is considered a related party of the Company.

2018 ATM Agreement

On December 18, 2018, the Company entered into an At The Market Issuance Sales Agreement (the “2018 ATM Agreement”) with H.C. Wainwright & Co., LLC (“HCW”), under which the Company may offer and sell from time to time at its sole discretion shares of its common stock through HCW as its sales agent, in an aggregate amount not to exceed $30.0 million. HCW may sell the shares by any method permitted by law deemed to be an “at the market” offering as defined in Rule 415 of the Securities Act, and will use its commercially reasonable efforts consistent with its normal trading and sales practices to sell the shares up to the amount specified. The Company will pay HCW a commission of up to 3% of the gross proceeds of any shares of common stock sold under the 2018 ATM Agreement. On March 10, 2021, the Company amended the 2018 ATM Agreement with HCW to increase the aggregate amount of shares of its common stock that it could sell through HCW as its sales agent to $50.0 million. No shares have been sold under the 2018 ATM Agreement since the agreement was executed.

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13. Income Taxes

The Company recorded an income tax benefit of $1.5 million for the six months ended June 30, 2020, as a result of the Coronavirus Aid, Relief, and Economic Security Act and no income tax provision for the six months ended June 30, 2021. The Company continues to maintain a full valuation allowance against its remaining net deferred tax assets. During the three and six months ended June 30, 2021 the Company received $1.5 million in cash for its income tax receivable.

The Company has a total of $5.9 million of gross unrecognized tax benefits, none of which would affect the effective tax rate upon realization as it currently has a full valuation allowance against its U.S. net deferred tax assets. The reversal of related deferred tax assets will be offset by a valuation allowance, should any of these uncertain tax positions be favorably settled in the future.

The Company does not expect its unrecognized tax benefits to change significantly over the next twelve months. The Company will recognize interest and penalties accrued on any unrecognized tax benefits as a component of income tax expense. Through June 30, 2021, the Company has not accrued interest or penalties related to uncertain tax positions.

14. Subsequent Events

Royalty Purchase Agreement with Kuros

On July 14, 2021, the Company entered into a royalty purchase agreement (the “Kuros Royalty Purchase Agreement”) with Kuros Biosciences AG, Kuros US LLC and Kuros Royalty Fund (US) LLC (collectively “Kuros”). Pursuant to the Kuros Royalty Purchase Agreement, XOMA acquired the rights to 100% of the potential future royalties from commercial sales, which are tiered from high-single to low double digits, and up to $25.0 million in pre-commercial milestone payments associated with an existing license agreement related to Checkmate Pharmaceuticals’ vidutolimod (CMP-001), a Toll-like receptor 9 agonist, packaged in a virus-like particle, for an upfront payment of $7.0 million plus potential future sales milestone payments based on net sales of vidutolimod.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Forward Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, or the Securities Act, Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act, and the Private Securities Litigation Reform Act of 1995, which are subject to the “safe harbor” created by those sections. Forward-looking statements are based on our management’s beliefs and assumptions and on information currently available to them. In some cases you can identify forward-looking statements by words such as “may,” “will,” “should,” “could,” “would,” “expects,” “plans,” “anticipates,” “believes,” “estimates,” “projects,” “predicts,” “potential,” “intend” and similar expressions intended to identify forward-looking statements. Examples of these statements include, but are not limited to, statements regarding: our future operating expenses, our future losses, the success of our strategy as a royalty aggregator, the extent to which issued and pending patents may protect the products and processes in which we have an ownership or royalty interest and prevent the use of the covered subject matter by third parties, the potential of our existing product candidates to lead to the development of commercial products, our ability to receive potential milestone or royalty payments under license and collaboration agreements and the timing of receipt of those payments, and the impact of the recent and evolving COVID-19 pandemic. These statements are based on assumptions that may not prove accurate. Actual results could differ materially from those anticipated due to certain risks inherent in the biotechnology industry and for our licensees engaged in the development of new products in a regulated market. Among other things: our product candidates subject to our out-license agreements are still being developed, and our licensees’ may require substantial funds to continue development which may not be available; we may not be successful in entering into out-license agreements for our product candidates; if our therapeutic product candidates do not receive regulatory approval, our third-party licensees will not be able to manufacture and market them; products or technologies of other companies may render some or all of our product candidates noncompetitive or obsolete; we do not know whether there will be, or will continue to be, a viable market for the products in which we have an ownership or royalty interest; even once approved, a product may be subject to additional testing or significant marketing restrictions, its approval may be withdrawn or it may be voluntarily taken off the market; we and our licensees are subject to various state and federal healthcare related laws and regulations that may impact the commercialization of our product candidates and could subject us to significant fines and penalties; and certain of our technologies are in-licensed from third parties, so our capabilities using them are restricted and subject to additional risks. These and other risks, including those related to current economic and financial market conditions, are contained principally in Part II, Item 1A of this Quarterly Report on Form 10-Q and our other filings with the SEC. You should not place undue reliance on these forward-looking statements, which apply only as of the date of this Quarterly Report on Form 10-Q. You should read this Quarterly Report on Form 10-Q completely and with the understanding that our actual future results may be materially different from those we expect. Except as required by law, we assume no obligation to update these forward-looking statements, whether as a result of new information, future events or otherwise.

The following discussion and analysis should be read in conjunction with the unaudited financial statements and notes thereto included in Part I, Item 1 of this Quarterly Report on Form 10-Q and with the audited consolidated financial statements and related notes thereto included as part of our Annual Report on Form 10-K for the year ended December 31, 2020.

Overview

XOMA Corporation (“XOMA”), a Delaware corporation, is a biotech royalty aggregator. We have a sizable portfolio of economic rights to future potential milestone and royalty payments associated with partnered pre-commercial therapeutic candidates. Our portfolio was built through licensing our proprietary products and platforms from our legacy discovery and development business, combined with acquisitions of rights to future milestones and royalties that we have made since our royalty aggregator business model was implemented in 2017. Our drug royalty aggregator business is focused on early to mid-stage clinical assets primarily in Phase 1 and 2 with blockbuster potential licensed to large-cap partners. We expect that most of our future revenue will be based on payments we may receive for milestones and royalties related to these programs.

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Recent Business Developments

Royalty Purchase Agreements

Kuros Royalty Purchase Agreement

On July 14, 2021, we entered into a royalty purchase agreement (the “Kuros Royalty Purchase Agreement”) with Kuros Biosciences AG, Kuros US LLC and Kuros Royalty Fund (US) LLC (collectively “Kuros”). Pursuant to the Royalty Purchase Agreement, we acquired the rights to 100% of the potential future royalties from commercial sales, which are tiered from high-single to low double digits, and up to $25.0 million in pre-commercial milestone payments associated with an existing license agreement related to Checkmate Pharmaceuticals’ vidutolimod (CMP-001), a Toll-like receptor 9 agonist, packaged in a virus-like particle, for an upfront payment of $7.0 million plus potential future sales milestone payments based on net sales of vidutolimod.

Viracta Royalty Purchase Agreement

On March 22, 2021, we entered into a royalty purchase agreement (the “Viracta Royalty Purchase Agreement”) with Viracta Therapeutics, Inc. (“Viracta”). Pursuant to the Viracta Royalty Purchase Agreement, we acquired the right to receive future royalties, milestones, and other payments related to two clinical stage drug candidates. The first candidate, DAY101 (pan-RAF kinase inhibitor), is being developed by Day One Biopharmaceuticals, and the second candidate, vosaroxin (topoisomerase II inhibitor), is being developed by Denovo Biopharma. We acquired the right to receive (i) up to $54.0 million in potential milestones, potential royalties on sales, if approved, and other payments related to DAY101, excluding up to $20.0 million consideration retained by Viracta; and (ii) up to $57.0 million in potential regulatory and commercial milestones and high single-digit royalties on sales related to vosaroxin, if approved. Under the terms of the Viracta Royalty Purchase Agreement, we paid Viracta $13.5 million upon closing of the transaction.

Public Offering of Depositary Shares Representing Interest in Series B Preferred Stock

In April 2021, we closed a public offering of 1,600,000 depositary shares, each representing a 1/1000th fractional interest in a share of our 8.375% Series B cumulative, perpetual preferred stock (“Series B Preferred Stock”) at the price of $25.00 per depositary share. Total gross proceeds from the offering were $40.0 million. Total offering costs of $2.9 million were offset against the proceeds from the sale of depositary shares, for net proceeds of $37.1 million. On May 21, 2021, we declared a cash dividend of $0.55833 per depositary share payable to holders of depositary shares on or about July 15, 2021. As of June 30, 2021, we held restricted cash of $4.8 million in a segregated account that may only be used to pay dividends on the Series A cumulative, perpetual preferred stock (“Series A Preferred Stock”) and Series B Preferred Stock.

Silicon Valley Bank Loan Extinguishment

In June 2021, we repaid our principal balance of $6.5 million and paid the 8.5% final payment fee of $1.4 million to Silicon Valley Bank (“SVB”). We recognized a non-cash loss on extinguishment of $0.3 million in the other income (expense), net line item of the condensed consolidated statement of operations. No outstanding principal balance remained under the loan agreement with SVB as of June 30, 2021.

Novartis Note Extinguishment

In June 2021, we repaid our outstanding principal balance to Novartis Pharma AG (“Novartis”) of $9.1 million. No amount was recorded as an extinguishment gain or loss in the other income (expense), net line item of the condensed consolidated statement of operations. No outstanding principal balance remained under the note agreement with Novartis as of June 30, 2021.

Portfolio Updates

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On May 3, 2021, we announced we earned a $0.5 million milestone from Janssen Biotech, Inc. (“Janssen”), upon dosing of the first patient in a Phase 3 clinical trial evaluating one of Janssen’s biologic assets.

On April 15, 2021, we announced our portfolio of potential future milestone and royalty assets had increased with the addition of three Affimed N.V. innate cell engager programs (“ICE”). We are eligible to receive royalty payments on future commercial sales of each of the three ICE molecules and milestones for each program achieving marketing approval.

COVID-19

The COVID-19 pandemic continues to pose risks to our business as clinical trials industry-wide have slowed. Our business is dependent on the continued development and commercialization efforts of our licensees and our royalty agreement counterparties and their licensees. We have been monitoring and continue to monitor our portfolio programs for potential delays in underlying research programs and elections of our partners to continue or cease development. Delays in clinical trials and underlying research programs may lead to delayed revenue from milestones from our licensees and royalty agreement counterparties or, if certain research programs are discontinued, we may recognize impairment charges for our royalty receivables. COVID-19, the related variants, and the timing of vaccine distribution may impact our underlying programs in a variety of ways which are unknown in length and scope at this time.

Critical Accounting Policies

Critical accounting policies are those that require significant judgment and/or estimates by management at the time that the financial statements are prepared such that materially different results might have been reported if other assumptions had been made. We consider certain accounting policies including those related to legal contingencies, revenue recognition under units-of-revenue method and stock-based compensation to be critical policies. There have been no significant changes in our critical accounting policies during the three and six months ended June 30, 2021, as compared with those previously disclosed in our Annual Report on Form 10-K for the year ended December 31, 2020, filed with the SEC on March 10, 2021.

Our significant accounting policies are included in “Part I - Item 1 – Condensed Consolidated Financial Statements - Note 2 – Basis of Presentation and Significant Accounting Policies.”

Results of Operations

Revenues

Total revenues for the three and six months ended June 30, 2021 and 2020, were as follows (in thousands):


	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2021		2020		Change		2021		2020		Change
Revenue from contracts with customers	$	525	$	53	$	472	$	544	$	553	$	(9)
Revenue recognized under units-of-revenue method		376		391		(15)		731		695		36
Total revenues	$	901	$	444	$	457	$	1,275	$	1,248	$	27

Revenue from Contracts with Customers

Revenue from contracts with customers includes upfront fees, milestone payments and royalties related to the out-licensing of our product candidates and technologies.

The increase for the three months ended June 30, 2021, as compared to the same period in 2020, was primarily due to $0.5 million of milestone revenue recognized in the second quarter of 2021 related to a milestone event under our license agreement with Janssen. The decrease for the six months ended June 30, 2021, as compared to the same period in 2020, was negligible.

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The generation of future revenues related to licenses, milestones, and royalties is dependent on the achievement of milestones or product sales by our existing licensees. Due to the impact of COVID-19 on clinical trial activities of our licensees, potential milestone payments may be delayed.

Revenue recognized under units-of-revenue method

Revenues recognized under the units-of-revenue method include the amortization of unearned revenue from the sale of royalty interests to HealthCare Royalty Partners II, L.P (“HCRP”) in 2016. The fluctuation in revenues for the three and six months ended June 30, 2021, as compared to the same periods in 2020, was due to the change in sales of products underlying the agreements with HCRP.

Research and Development Expenses

Research and development (“R&D”) expenses were $38,000 and $0.1 million for the three and six months ended June 30, 2021, respectively, which was consistent with $38,000 and $0.1 million for the same periods in 2020.

We do not expect to incur substantial R&D expenses in 2021 due to the focus on our royalty aggregator business model.

General and Administrative Expenses

General and administrative (“G&A”) expenses include salaries and related personnel costs, professional fees, and facilities costs. G&A expenses were $3.9 million and $10.7 million for the three and six months ended June 30, 2021, respectively, compared to $3.6 million and $9.9 million for the same periods in 2020.

The increase of $0.3 million for the three months ended June 30, 2021, as compared to the same periods of 2020, was primarily due to a $0.3 million increase in salaries and related expenses.

The increase of $0.8 million for the six months ended June 30, 2021, as compared to the same period of 2020, was primarily due to a $1.6 million increase in salaries and related expenses (including an increase of $1.1 million in non-cash stock compensation expense), $0.3 million increase in legal and audit fees and a $0.3 million increase in consulting and deal costs, partially offset by a $1.4 million decrease in bad debt expense.

To support our royalty aggregator business model, we engage third parties to assist in our evaluation of potential acquisitions of milestone and royalty streams. While we expect our personnel related costs to be comparable in 2021 with 2020, consulting expenses may increase in response to an increase in the volume of acquisition targets evaluated or completed.

Other Income (Expense)

Interest Expense

Amortization of debt issuance costs and discounts are included in interest expense. Interest expense is shown below for the three and six months ended June 30, 2021 and 2020 (in thousands):


	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2021		2020		Change		2021		2020		Change
SVB loan	$	135	$	356	$	(221)	$	373	$	739	$	(366)
Novartis note		37		151		(114)		88		309		(221)
Other		—		1		(1)		—		2		(2)
Total interest expense	$	172	$	508	$	(336)	$	461	$	1,050	$	(589)

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The decrease in interest expense for the three and six months ended June 30, 2021, as compared with the same period in 2020, is primarily due to the repayment of our SVB and Novartis loans in June 2021 in addition to lower interest rates in 2021.

Other Income (Expense), Net

The following table shows the activity in other income (expense), net for the three and six months ended June 30, 2021 and 2020 (in thousands):


	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2021		2020		Change		2021		2020		Change
Other income (expense), net
Change in fair value of equity securities	$	1,289	$	123	$	1,166	$	617	$	(150)	$	767
Investment income		10		2		8		20		148		(128)
Other		—		1		(1)		5		1		4
Total other income (expense), net	$	1,299	$	126	$	1,173	$	642	$	(1)	$	643

The increase in other income (expense), net for the three and six months ended June 30, 2021, as compared with the same period of 2020 is primarily due the change in fair value of equity securities.

We own equity securities consisting of shares of Rezolute’s common stock which are remeasured at fair value at each reporting period. For the three and six months ended June 30, 2021, we remeasured the fair value of the equity securities and recognized a gain of $1.3 million and $0.6 million, respectively. For the three and six months ended June 30, 2020, we recognized a remeasurement gain of $0.1 million and a loss of $0.2 million, respectively.

Provision for Income Taxes

We recorded an income tax benefit of $1.5 million for the six months ended June 30, 2020 as a result of the Coronavirus Aid, Relief, and Economic Security (“CARES”) Act which was enacted on March 27, 2020. The CARES Act includes a five-year net operating loss (“NOL”) carryback provision which enabled us to recognize the tax benefits on the carry back of our net operating losses from 2018 to offset income in 2017. During the six months ended June 30, 2021, we received $1.5 million in cash for our income tax receivable. We made no tax provision for the three and six months ended June 30, 2021, since we incurred net operating losses. We continue to maintain a full valuation allowance against our remaining net deferred tax assets.

Liquidity and Capital Resources

The following table summarizes our cash, working capital and cash flow activities for each of the periods presented (in thousands):


	June 30,		December 31,
	2021		2020		Change
Cash	$	78,945	$	84,222	$	(5,277)
Working capital	$	80,964	$	75,763	$	5,201


	Six Months Ended June 30,
	2021		2020		Change
Net cash used in operating activities	$	(4,889)	$	(5,150)	$	261
Net cash used in investing activities		(13,500)		—		(13,500)
Net cash provided by (used in) financing activities		15,810		(2,047)		17,857
Net decrease in cash	$	(2,579)	$	(7,197)	$	4,618

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Cash Used in Operating Activities

Net cash used in operating activities for the six months ended June 30, 2021 of $4.9 million was primarily due to the $9.6 million net loss incurred, partially offset by stock-based compensation expense of $3.7 million and change in assets and liabilities of $1.0 million which includes $1.5 million in cash refund for income tax receivables. Net cash used in operating activities for the six months ended June 30, 2020 of $5.2 million was primarily due to the $8.3 million net loss incurred, partially offset by stock-based compensation expense of $2.6 million.

Cash Used in Investing Activities

Net cash used in investing activities for the six months ended June 30, 2021 of $13.5 million was due to the $13.5 million payment pursuant to the Viracta Royalty Purchase Agreement executed in March 2021. No cash was provided by or used in investing activities for the six months ended June 30, 2020.

Cash Provided by (Used in) Financing Activities

Net cash provided by financing activities for the six months ended June 30, 2021 of $15.8 million was primarily due to the receipt of net cash proceeds of $37.1 million from our public offering of Series B Preferred Stock, $1.0 million net cash provided from the exercise of stock options after related tax payments, partially offset by $4.3 million related to principal payments on debt, $17.1 million cash used to extinguish outstanding loans and $0.7 million payment of dividends on our Series A Preferred Stock. Net cash used in financing activities for the six months ended June 30, 2020, of $2.0 million was primarily related to principal payments of debt.

Public Offering of Series A Preferred Stock

In December 2020, we sold 984,000 shares of 8.625% Series A Preferred Stock at the price of $25.00 per share, through a public offering for aggregate gross proceeds of $24.6 million. Total offering costs of $2.0 million were offset against the proceeds from the sale of Series A Preferred Stock, for net proceeds of $22.6 million. Holders of our Series A Preferred Stock are entitled to receive, when and as declared by our Board of Directors, out of funds legally available for the payment of dividends, cumulative cash dividends at the rate of 8.625% of the $25.00 liquidation preference per year (equivalent to $2.15625 per share of Series A Preferred Stock per year). Dividends on the Series A Preferred Stock will accumulate and be cumulative from, and including, the date of original issue by us of the Series A Preferred Stock. Dividends will be payable in arrears on or about the 15th day of January, April, July and October beginning on or about April 15, 2021.

Public Offering of Depositary Shares Representing Interest in Series B Preferred Stock

In April 2021, we closed a public offering of 1,600,000 depositary shares, each representing a 1/1000^th fractional interest in a share of our Series B Preferred Stock at the price of $25.00 per depositary share. Total gross proceeds from the offering were $40.0 million. Total offering costs of $2.9 million were offset against the proceeds from the sale of depositary shares, for net proceeds of $37.1 million.

Holders of depositary shares representing interests in the Series B Preferred Stock are entitled to receive, when and as declared by our Board of Directors, out of funds legally available for the payment of dividends, cumulative cash dividends at the rate of 8.375% of the $25,000 liquidation preference per share of Series B Preferred Stock ($25.00 per depositary share) per year, which is equivalent to $2,093.75 per share of Series B Preferred Stock ($2.09375 per depositary share) per year. Dividends on the Series B Preferred Stock will accumulate and be cumulative from, and including, the date of original issue by us of the Series B Preferred Stock. Dividends will be payable in arrears on or about the 15th day of January, April, July and October beginning on or about July 15, 2021.

Dividends

On March 17, 2021, our Board of Directors declared a cash dividend of $0.71875 per share payable to holders of Series A Preferred Stock, which we paid on April 15, 2021. On May 21, 2021, our Board of Directors declared a cash dividend of $0.53906 per share payable to holders of our Series A Preferred Stock and a cash dividend of $0.55833 per

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depositary share of Series B Preferred Stock, payable to holders of our depositary shares, on or about July 15, 2021. As of June 30, 2021, we held restricted cash of $4.8 million in a segregated account that may only be used to pay dividends on our Series A Preferred Stock and Series B Preferred Stock underlying the depositary shares.

Silicon Valley Bank Loan Extinguishment

In June 2021, we repaid our principal balance of $6.5 million and paid the final payment of $1.4 million to SVB. We recognized a non-cash loss on extinguishment of $0.3 million in the other income (expense), net line item of the condensed consolidated statement of operations. No outstanding principal balance remained under the loan agreement with SVB as of June 30, 2021.

Novartis Note Extinguishment

In June 2021, we repaid our outstanding principal balance to Novartis of $9.1 million. No amount was recorded as an extinguishment gain or loss in the other income (expense), net line item of the condensed consolidated statement of operations. No outstanding principal balance remained under the note agreement with Novartis as of June 30, 2021.

2018 ATM Agreement

On December 18, 2018, we entered into an At The Market Issuance Sales Agreement (the “2018 ATM Agreement”) with H.C. Wainwright & Co., LLC (“HCW”), under which we may offer and sell from time to time at our sole discretion shares of our common stock through HCW as our sales agent, in an aggregate amount not to exceed $30.0 million. HCW may sell the shares by any method permitted by law deemed to be an “at the market” offering as defined in Rule 415 of the Securities Act, and will use its commercially reasonable efforts consistent with its normal trading and sales practices to sell the shares up to the amount specified. We are required to pay HCW a commission of up to 3% of the gross proceeds of any shares of common stock sold under the 2018 ATM Agreement. On March 10, 2021, we amended the 2018 ATM Agreement with HCW to increase the aggregate amount of shares of our common stock that we could sell through HCW as our sales agent to $50.0 million. We have not sold any shares of common stock under the 2018 ATM Agreement.

***

We have incurred significant operating losses since our inception and have an accumulated deficit of $1.2 billion as of June 30, 2021. As of June 30, 2021, we had $78.9 million and $4.8 million in unrestricted and restricted cash, respectively, which we anticipate will enable us to maintain our operations for a period of at least 12 months following the filing date of this report.

We have taken and continue to take steps to manage our resources by reducing and/or deferring certain discretionary expenditures to mitigate the adverse impact of the COVID-19 pandemic. Future impacts of COVID-19, related variants, and vaccine distribution may require further actions to improve our cash position, which may include reducing or delaying acquisitions of additional royalty and milestone rights or obtaining additional funds through debt arrangements, the 2018 ATM Agreement, or other equity issuances. Our ability to raise additional capital in the equity and debt markets, should we choose to do so, is dependent on a number of factors, including, but not limited to, the market demand for our common stock, which itself is subject to a number of development and business risks and uncertainties, our creditworthiness and the uncertainty that we would be able to raise such additional capital at a price or on terms that are favorable to us. In addition, our ability to raise additional funds may be adversely impacted by deteriorating global economic conditions and the recent disruptions to and volatility in the credit and financial markets in the United States and worldwide resulting from the ongoing COVID-19 pandemic.

Changes in Commitments and Contingencies

Our commitments and contingencies were reported in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with the SEC. There have been no material changes from the commitment and contingencies previously disclosed in our Annual Report on Form 10-K for the year ended December 31, 2020.

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Off-balance Sheet Arrangements

We have not engaged in any off-balance sheet arrangements, including the use of structured finance, special purpose entities or variable interest entities.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We are a smaller reporting company as defined by Rule 12b-2 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, and are not required to provide the information required under this item.

ITEM 4. CONTROLS AND PROCEDURES

Evaluation of Controls and Procedures

We have established disclosure controls and procedures, as defined in Rule 13a-15(e) and 15d-15(e) of the Exchange Act. Our Chief Executive Officer and our Chief Financial Officer have concluded, based on the evaluation of the effectiveness of our disclosure controls and procedures by our management, with the participation of our Chief Executive Officer and our Chief Financial Officer, as of the end of the period covered by this report, that our disclosure controls and procedures were effective at the reasonable assurance level.

Changes in Internal Control

There have been no changes in our internal controls over financial reporting as defined in Rule 13a-15(f) under the Exchange Act during our most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal controls over financial reporting. While COVID-19 has resulted in our staff operating remotely, our established internal control structure is not impacted. As we continue to monitor and adapt to the changing environment due to COVID-19 and the related possibility of a cybersecurity impact, including a security breach or cyber-attack, we will continue to evaluate our internal controls over financial reporting.

PART II – OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

None.

ITEM 1A. RISK FACTORS

This Quarterly Report on Form 10-Q contains forward-looking information based on our current expectations. Because our actual results may differ materially from any forward-looking statements made by or on behalf of us, this section includes a discussion of important factors that could affect our actual future results, including our revenues, expenses, operating results, cash flows and net loss per share. Additional risks and uncertainties not presently known to us or that we currently deem immaterial may also impair our business operations. You should carefully consider these risk factors, together with all of the other information included in this Quarterly Report on Form 10-Q as well as our other publicly available filings with the U.S. Securities and Exchange Commission, or SEC.

We have marked with an asterisk (*) those risks described below that reflect substantive changes from, or additions to, the risks described in our Annual Report on Form 10-K for the year ended December 31, 2020.

Risk Factors Summary

Below is a summary of material factors that make an investment in our securities speculative or risky. Importantly, this summary does not address all of the risks and uncertainties that we face. Additional discussion of the risks and uncertainties summarized in this risk factor summary, as well as other risks and uncertainties that we face, can be found under “Risk Factors” below. The below summary is qualified in its entirety by that more complete discussion of such risks

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and uncertainties. You should consider carefully the risks and uncertainties described under “Risk Factors” below as part of your evaluation of the risks associated with an investment in our securities.

●

The COVID-19 pandemic has adversely impacted and could materially and adversely impact in the future our licensees or royalty-agreement counterparties or their licensees, which could cause delays or elimination of our receipts of potential milestones and royalties under our licensing or royalty and milestone acquisition arrangements.

●

Our acquisitions of potential future royalty and/or milestone payments may not produce anticipated revenues and/or may be negatively affected by a default or bankruptcy of the licensor(s) or licensee(s), and if such transactions are secured by collateral, we may be, or may become, under-secured by the collateral or such collateral may lose value and we will not be able to recuperate our capital expenditures associated with the acquisition.

●

Many of our potential royalty acquisitions may be associated with drug products that are in clinical development and have not yet been commercialized. To the extent that such products are not successfully developed and commercialized, our financial condition and results of operations may be negatively impacted. Acquisitions of potential royalties associated with development stage biopharmaceutical product candidates are subject to a number of uncertainties.

●

We depend on our licensees and royalty-agreement counterparties for the determination of royalty and milestone payments. While we typically have primary or back-up rights to audit our licensees and royalty-agreement counterparties, the independent auditors may have difficulty determining the correct royalty calculation, errors may be undetectable and payment calculations may call for retroactive adjustments. We may have to exercise legal remedies to resolve any disputes resulting from any such audit.

●

The lack of liquidity of our acquisitions of future potential milestones and royalties may adversely affect our business and, if we need to sell any of our acquired assets, we may not be able to do so at a favorable price, if at all. As a result, we may suffer losses. We have sustained losses in the past, and we expect to sustain losses in the foreseeable future.

●

Our royalty aggregator strategy may require that we register with the SEC as an “investment company” in accordance with the Investment Company Act of 1940. If we were to become an “investment company” and be subject to the restrictions of the 1940 Act, those restrictions would likely require significant changes in the way we do business and add significant administrative burdens to our operations.

●

Our royalty aggregator strategy may require us to raise additional funds to acquire milestone and royalty interests; we cannot be certain that funds will be available or available at an acceptable cost of capital, and if they are not available, we may be unsuccessful in acquiring milestone and royalty interests to sustain the business in the future.

●	Information available to us about the biopharmaceutical products underlying the potential royalties we buy may be limited and therefore our ability to analyze each product and its potential future cash flow may be similarly limited.

●

Our future income is dependent upon numerous potential milestone and royalty-specific assumptions and, if these assumptions prove not to be accurate, we may not achieve our anticipated rates of returns. Reductions in potential milestone or royalty payments compared to expectations, or impairments in the value of potential milestones and royalties acquired could have a material adverse effect our financial condition and results of operations.

●

A large percentage of the calculated net present value of our portfolio is represented by a limited number of products. The failure of any one of these products to move forward in clinical development or commercialization may have a material adverse effect on our financial condition and results of operation.

●

We rely heavily on license and collaboration relationships, and any disputes or litigation with our licensees, collaborators and their partners or termination or breach of any of the related agreements could reduce the financial resources available to us. In the event of any disagreement that cannot be resolved satisfactorily to us, we may end up being paid less than anticipated on such product or involved in costly and time-consuming

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litigation, which could materially adversely affect our financial condition, results of operation and future prospects.

●

Our potential milestone and royalty providers may rely on third parties to provide services in connection with their product candidate development and manufacturing programs. The inadequate performance by or loss of any of these service providers could adversely affect our potential milestone and royalty providers’ product candidate development.

●

We may not be able to successfully identify and acquire potential milestone and royalty streams on other products, product candidates, or programs, or other companies to grow and diversify our business, and, even if we are able to do so, we may not be able to successfully manage the risks associated with integrating any such products, product candidates, programs or companies into our business or we may otherwise fail to realize the anticipated benefits of these acquisitions.

●	Our potential milestone and royalty providers face uncertain results of clinical trials of product candidates. If our potential royalty providers’ therapeutic product candidates do not receive regulatory approval, our potential royalty providers will be unable to market them.

●	We do not know whether there will be, or will continue to be, a viable market for the product candidates in which we have an ownership, milestone or royalty interest.

●

If we and our potential royalty providers are unable to protect our intellectual property, in particular patent protection for principal products, product candidates and processes in which we have an ownership or royalty interest, and prevent the use of the covered subject matter by third parties, our potential royalty providers’ ability to compete in the market will be harmed, and we may not realize our profit potential.

●	We have a continuing obligation to pay quarterly dividends to holders of our Series A Preferred Stock and Series B Preferred Stock, which will be an on-going expenditure for us and may limit our ability to borrow additional funds.

Risks Related to our Royalty Aggregator Strategy

The COVID-19 pandemic has adversely impacted and could materially and adversely impact in the future our licensees or royalty-agreement counterparties or their licensees, which could cause delays or elimination of our receipts of potential milestones and royalties under our licensing or royalty and milestone acquisition arrangements.

In March 2020, COVID-19, the disease caused by a novel strain of coronavirus, was declared a pandemic by the World Health Organization. The pandemic has severely affected global economic activity and resulted in the implementation of significant governmental measures, including lockdowns, closures, quarantines and travel bans, intended to control the spread of the virus.

The COVID-19 pandemic has adversely impacted and could materially and adversely impact in the future our licensees or royalty-agreement counterparties or their licensees, which could cause delays, suspensions or cancellations of their drug development efforts including, without limitation, their clinical trials, which would correspondingly delay, suspend or negate the timing of our potential receipts of milestones and royalties under our out-licensing or royalty acquisition agreements. The disruptions to our licensees or royalty purchase agreement counterparties or their licensees could include, without limitation:

●

delays or difficulties in recruiting and enrolling new patients in their clinical trials;

●

delays or difficulties in clinical site initiation, including difficulties in recruiting clinical site investigators and clinical site staff;

●

diversion of healthcare resources away from the conduct of clinical trials, including the diversion of hospitals serving as their clinical trial sites and hospital staff supporting the conduct of their clinical trials;

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●

interruption of key clinical trial activities, such as clinical trial site monitoring, due to limitations on travel imposed or recommended by federal, state or local governments, employers and others;

●

limitations in employee resources that would otherwise be focused on the conduct of their clinical trials, including because of sickness of employees or their families or the desire of employees to avoid contact with large groups of people;

●

interruption in global shipping that may affect the transport of clinical trial supplies and materials, such as the investigational drug product used in their clinical trials;

●

delays in receiving approval from the U.S. Food and Drug Administration (“FDA”), the European Medicines Agency (“EMA”) and other U.S. and foreign federal, state and local regulatory authorities to initiate their planned clinical trials or to market their products;

●

changes in FDA, state and local regulation (and those of their foreign counterparts if applicable) as part of a response to the COVID-19 pandemic which may change the ways in which clinical trials are conducted or discontinue clinical trials altogether;

●

delays in necessary interactions with regulators, ethics committees and other important agencies and contractors due to limitations in employee resources or forced furlough of government employees;

●

delay in the timing of other interactions with the FDA due to absenteeism by federal employees or by the diversion of their efforts and attention to approval of other therapeutics or other activities related to COVID-19; and

●

refusal of the FDA to accept data from clinical trials in affected geographies outside the United States or of foreign regulatory authorities to accept data from clinical trials in affected areas outside their applicable countries.

The extent to which the COVID-19 pandemic continues to impact our business and prospects and the overall economies of the United States and other countries will depend on numerous evolving factors, which are highly uncertain and cannot be predicted with confidence, such as the duration and scope of the pandemic, mutations in the COVID-19 virus, travel restrictions and social distancing in the United States and other countries, business closures or business disruptions and the effectiveness of actions taken in the United States and other countries to contain and treat the disease.

The COVID-19 pandemic continues to pose risks to our business, including at our headquarters in Emeryville, California, which has in the past been subject to local and statewide “stay-at-home” orders issued by Alameda County and the Governor of the State of California, as well as the business or operations of our partners and other third parties with whom we conduct business.

The COVID-19 pandemic has resulted in extended travel and other continued restrictions in order to reduce the spread of the disease, including California executive orders, San Francisco Bay Area orders and several other state and local orders across the United States, which, among other things, direct individuals to continue to shelter at their places of residence, direct businesses and governmental agencies to cease non-essential operations at physical locations, prohibit certain non-essential gatherings, and order cessation of non-essential travel. The evolving effects of the COVID-19 pandemic and restrictive government measures taken in response have had a significant impact, both direct and indirect, on businesses and commerce, as significant reductions in business related activities have occurred, supply chains have been disrupted, and manufacturing and clinical development activities have been curtailed or suspended.

In response to these public health directives and orders, we previously implemented a work-from-home policy for all employees. We have been able to maintain our operations and productivity thus far; however, prolonged working remotely may negatively impact productivity, disrupt our business and delay our timelines, the magnitude of which will

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depend, in part, on the length and severity of the restrictions and other limitations on our ability to conduct our business in the ordinary course.

In addition, quarantines, stay-at-home, executive and similar government orders, shutdowns or other restrictions on the conduct of business operations continue to impact personnel at third-party clinical testing sites, manufacturing facilities, and the availability or cost of materials, which could disrupt our licensees’ and royalty purchase agreement counterparties and their licensees’ supply chains.

The spread of COVID-19, which has caused a broad impact globally, may materially affect us economically. While the evolving economic impacts brought by, and the duration of, COVID-19 may be difficult to assess or predict, it has already significantly disrupted global financial markets, and may limit our ability to access capital, which could in the future negatively affect our liquidity. A recession or market correction resulting from the spread of COVID-19 could materially affect our business and the value of our common stock.

The evolving effects of the COVID-19 pandemic have already resulted in significant disruption of global financial markets. While several of our partners have experienced delays due to the COVID-19 pandemic, we do not yet know the full extent of potential delays or impacts on our business, clinical trials, healthcare systems or the global economy as a whole. However, the effects could continue to have an impact on our operations and could have a material adverse effect on our business, financial condition, results of operations and prospects in future periods.

Our acquisitions of potential future royalty and/or milestone payments may not produce anticipated revenues and/or may be negatively affected by a default or bankruptcy of the licensor(s) or licensee(s) under the applicable license agreement(s) covering such potential royalties and/or milestones, and if such transactions are secured by collateral, we may be, or may become, under-secured by the collateral or such collateral may lose value and we will not be able to recuperate our capital expenditures associated with the acquisition.

We are engaged in a continual review of opportunities to acquire future royalties, milestones and other payments related to drug development and sales as part of our royalty aggregator strategy or to acquire companies that hold royalty assets. Generally, at any time, we seek to have acquisition opportunities in various stages of active review, including, for example, our engagement of consultants and advisors to analyze particular opportunities, technical, financial and other confidential information, submission of indications of interest and involvement as a bidder in competitive auctions. Many potential acquisition targets do not meet our criteria, and for those that do, we may face significant competition for these acquisitions from other royalty buyers and enterprises. Competition for future asset acquisition opportunities in our markets could increase the price we pay for such assets and could reduce the number of potential acquisition targets. The success of our acquisitions is based on our ability to make accurate assumptions regarding the valuation, probability, timing and amount of potential future royalty and milestone payments as well as the viability of the underlying technology and intellectual property. The failure of any of these acquisitions to produce anticipated revenues may materially and adversely affect our financial condition and results of operations.

Some of these acquisitions may expose us to credit risk in the event of a default by or bankruptcy of the licensor(s) or licensee(s) that are parties to the applicable license agreement(s) covering the potential milestone and royalty streams being acquired. In addition, the impact of COVID-19 on the capital markets may limit our licensees or royalty-agreement counterparties’ ability to access additional funding. While we generally try to structure our receipt of potential milestone and royalty payments to minimize the risk associated with such a default or bankruptcy, there can be no assurance that any such default or bankruptcy will not adversely affect our ability to receive future potential royalty and/or milestone payments. To mitigate this risk, on occasion, we may obtain a security interest as collateral in such royalty, milestone and other payments. Our credit risk in respect of such counterparty may be exacerbated when the collateral held by us cannot be realized upon or is liquidated at prices not sufficient to recover the full amount we are due pursuant to the terms of the agreements covering the particular assets. This could occur in circumstances where the original collateral was not sufficient to cover a complete loss (e.g., our interests were only partially secured) or may result from the deterioration in value of the collateral, so that, in either such case, we are unable to recuperate our full capital outlay. Any such losses resulting therefrom could materially and adversely affect our financial condition and results of operations.

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As part of our royalty aggregator strategy, we may continue to purchase future potential milestone and royalty streams associated with drug products which are in clinical development and have not yet received marketing approval by any regulatory authority or been commercialized. There can be no assurance that the FDA, the EMA or other regulatory authorities will approve such products or that such products will be brought to market timely or at all, or that the market will be receptive to such products. To the extent that any such drug products are not successfully developed and subsequently commercialized, the value of our acquired potential milestone and royalty streams will be negatively affected. The ultimate success of our royalty aggregator strategy will depend on our ability to properly identify and acquire high quality products and the ability of the applicable counterparty to innovate, develop and commercialize their products, in increasingly competitive and highly regulated markets. Their inability to do so would negatively affect our ability to receive royalty and/or milestone payments. In addition, we are dependent, to a large extent, on third parties to enforce certain rights for our benefit, such as protection of a patent estate, adequate reporting and other protections, and their failure to do so would presumably negatively impact our financial condition and results of operations.

If the FDA, the EMA or other regulatory authority approves a development-stage product candidate that generates our royalty, the labeling, packaging, adverse event reporting, storage, advertising, promotion and recordkeeping for the product will be subject to extensive and ongoing regulatory requirements. The subsequent discovery of previously unknown problems with the product, including adverse events of unanticipated severity or frequency, may result in restrictions on the marketing of the product, and could include withdrawal of the product from the market.

In addition, the developers of these development-stage product candidates may not be able to raise additional capital to continue their discovery, development and commercialization activities, which may cause them to delay, reduce the scope of, or eliminate one or more of their clinical trials or research and development programs. If other product developers introduce and market products that are more effective, safer, less invasive or less expensive than the relevant products that generate our royalties, or if such developers introduce their products prior to the competing products underlying our royalties, such products may not achieve commercial success and thereby result in a loss for us.

Further, the developers of such products may not have sales, marketing or distribution capabilities. If no sales, marketing or distribution arrangements can be made on acceptable terms or at all, the affected product may not be able to be successfully commercialized, which will result in a loss for us. Losses from such assets could have a material adverse effect on our business, financial condition and results of operations.

We intend to continue, and may increase, this strategy of acquiring development-stage product candidates. While we believe that we can readily evaluate and gain conviction about the likelihood of a development-stage product candidate’s approval and achieving significant sales, there can be no assurance that our assumptions will prove correct, that regulatory authorities will approve such development-stage product candidates, that such development-stage product candidates will be brought to market timely or at all, or that such products will achieve commercial success.

Risks Related to our Industry

Biopharmaceutical products are subject to sales risks.

Biopharmaceutical product sales may be lower than expected due to a number of reasons, including pricing pressures, insufficient demand, product competition, failure of clinical trials, lack of market acceptance, obsolescence, loss of patent protection, government regulations, the impact of the COVID-19 global pandemic or other factors and development-stage product candidates may fail to reach the market. Unexpected side effects, safety or efficacy concerns can arise with respect to a product, leading to product recalls, withdrawals, declining sales or litigation. As a result, payments of our future potential milestones and/or royalties may be reduced or cease. In addition, these potential payments may be delayed, causing our near-term financial performance to be weaker than expected.

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Biopharmaceutical products are subject to substantial competition.

The biopharmaceutical industry is a highly competitive and rapidly evolving industry. The length of any product’s commercial life cannot be predicted with certainty. There can be no assurance that one or more products on which we are entitled to a potential milestone or royalty will not be rendered obsolete or non-competitive by new products or improvements on which we are not entitled to a potential milestone or royalty, either by the current marketer of such products or by another marketer. Current marketers of products may undertake these development efforts in order to improve their products or to avoid paying our royalty. Adverse competition, obsolescence or governmental and regulatory action or healthcare policy changes could significantly affect the revenues, including royalty-related revenues, of the products which generate our potential milestones and royalties.

Competitive factors affecting the market position and success of each product include:

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effectiveness;

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safety and side effect profile;

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price, including third-party insurance reimbursement policies;

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timing and introduction of the product;

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effectiveness of marketing strategy and execution;

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governmental regulation;

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availability of lower-cost generics and/or biosimilars;

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treatment innovations that eliminate or minimize the need for a product; and

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product liability claims.

Biopharmaceutical products that have the potential to generate future milestones and royalties for us may be rendered obsolete or non-competitive by new products, including generics and/or biosimilars, improvements on existing products or governmental or regulatory action. In addition, as biopharmaceutical companies increasingly devote significant resources to innovate next-generation products and therapies using gene editing and new curative modalities, such as cell and gene therapy, products on which we have a milestone or royalty rights may become obsolete. These developments could have a material adverse effect on the sales of the biopharmaceutical products that have potential to generate our milestones and royalties, and consequently could materially adversely affect our business, financial condition and results of operations.

We depend on our licensees and royalty-agreement counterparties for the determination of royalty and milestone payments. While we typically have primary or back-up rights to audit our licensees and royalty-agreement counterparties, the independent auditors may have difficulty determining the correct royalty calculation, we may not be able to detect errors and payment calculations may call for retroactive adjustments. We may have to exercise legal remedies, if available, to resolve any disputes resulting from any such audit.

The royalty, milestone and other payments we may receive are dependent on our licensees and royalty agreement counterparties and their licensees’ achievement of regulatory and developmental milestones and product sales. Each licensee’s calculation of the royalty payments is subject to and dependent upon the adequacy and accuracy of its sales and accounting functions, and errors may occur from time to time in the calculations made by a licensee and/or a licensee may fail to report the achievement of royalties or milestones in whole or in part. Our license and royalty agreements typically provide us the primary or back-up right to audit the calculations and sales data for the associated royalty payments; however, such audits may occur many months following our recognition of the royalty revenue, may require us to adjust

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our royalty revenues in later periods and may require expense on our part. Further, our licensees and royalty-agreement counterparties may be uncooperative or have insufficient records, which may complicate and delay the audit process.

Although we intend to regularly exercise our royalty audit rights as necessary and to the extent available, we rely in the first instance on our licensees and royalty-agreement counterparties to accurately report the achievement of milestones and royalty sales and calculate and pay applicable milestones and royalties and, upon exercise of such royalty and other audit rights, we rely on licensees’ and royalty-agreement counterparties’ cooperation in performing such audits. In the absence of such cooperation, we may be forced to incur expenses to exercise legal remedies, if available, to enforce our agreements.

We generally acquire milestone and royalty rights that have limited secondary resale markets and may be subject to transfer restrictions. The illiquidity of most of our milestone and royalty receivable assets may make it difficult for us to dispose of them at a favorable price if at all and, as a result, we may suffer losses if we are required to dispose of any or all such assets in a forced liquidation or otherwise. In addition, if we liquidate all or a portion of our potential future milestone and/or purchased royalty stream interests quickly or relating to a forced liquidation, we may realize significantly less than the value at which we had previously recorded these interests.

Our royalty aggregator strategy may require that we register with the SEC as an “investment company” in accordance with the Investment Company Act of 1940.

The rules and interpretations of the SEC and the courts, relating to the definition of "investment company" are very complex. While we currently intend to conduct our operations so that we will not be an investment company under applicable SEC interpretations, we can provide no assurance that the SEC would not take the position that the Company would be required to register under the Investment Company Act of 1940 (the “‘40 Act”) and comply with the ‘40 Act’s registration and reporting requirements, capital structure requirements, affiliate transaction restrictions, conflict of interest rules, requirements for disinterested directors, and other substantive provisions. We monitor our assets and income for compliance under the ‘40 Act and seek to conduct our business activities to ensure that we do not fall within its definitions of “investment company,” or that we qualify under one of the exemptions or exclusions provided by the ‘40 Act and corresponding SEC regulations. If we were to become an “investment company” and be subject to the restrictions of the ‘40 Act, those restrictions would likely require significant changes in the way we do business and add significant administrative costs and burdens to our operations. To ensure that we do not fall within the ‘40 Act, we may need to take various actions which we might otherwise not pursue. These actions may include restructuring the Company and/or modifying our mixture of assets and income or a liquidation of certain of our assets.

Our licensees or royalty-agreement counterparties or their licensees could be subject to natural disasters, public health crises, political crises and other catastrophic events that could hinder or disrupt development efforts.

We depend on our licensees and royalty-agreement counterparties and their licensees to successfully develop and commercialize product candidates for which we may receive milestone, royalty and other payments in the future. Our licensees and royalty-agreement counterparties and their licensees operate research and development efforts in various locations in the United States and internationally. If any of their facilities is affected by natural disasters, such as earthquakes, tsunamis, power shortages or outages, floods or monsoons, public health crises, such as pandemics and epidemics, political crises, such as terrorism, war, political instability, labor disputes or strikes, other conflict, or other events outside of their control, their research and development efforts could be disrupted, which could result in the delay or discontinuation of development of one or more of the product candidates in which we have rights to future milestone and/or royalty payments which could have a material adverse effect on our business, results of operations and prospects.

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Because many of the companies with which we do business also are in the biotechnology sector, the volatility of that sector can affect us indirectly as well as directly.

The same factors that affect us directly also can adversely affect us indirectly by affecting the ability of our partners and others with whom we do business to meet their obligations to us and reduce our ability to realize the value of the consideration provided to us by these other companies in connection with their licensing of our products.

Risks Related to our Financial Results and Capital Requirements

We have sustained losses in the past, and we expect to sustain losses in the foreseeable future.

We have incurred significant operating losses and negative cash flows from operations since our inception. Although we generated net income of $13.3 million and positive cash flows from operations of $10.1 million for the year ended December 31, 2020, we had net losses of $2.0 million for the year ended December 31, 2019. As of June 30, 2021, we had an accumulated deficit of $1.2 billion. We do not know whether we will ever achieve sustained profitability or whether cash flow from future operations will be sufficient to meet our needs.

To date, we have financed our operations primarily through the sale of equity securities and debt and royalty interests, and payments received under our collaboration and licensing arrangements. The size of our future net losses will depend, in part, on the rate of our future expenditures and our and our partners’ ability to generate revenues. If our partners’ product candidates are not successfully developed or commercialized, or if revenues are insufficient following regulatory approval, we will not achieve profitability and our business may fail. Our ability to achieve profitability is dependent in large part on the success of our and our partners’ ability to license product candidates, and the success of our partners’ development programs, both of which are uncertain. Our success is also dependent on our partners obtaining regulatory approval to market product candidates which may not materialize or prove to be successful.

We may need to commit substantial funds to continue our business, and we may not be able to obtain sufficient funds on acceptable terms, if at all. Any additional debt financing or additional equity that we raise may contain terms that are not favorable to us and/or result in dilution to our stockholders, including pursuant to our 2018 ATM Agreement, as amended. Our Series A Preferred Stock and Series B Preferred Stock, while not dilutive, includes dividends and required that we establish a segregated cash account adequate to fund the dividends. If we raise additional funds through licensing arrangements with third parties, we may be required to relinquish some rights to our technologies or our product candidates, grant licenses on terms that are not favorable to us or enter into a license arrangement for a product candidate at an earlier stage of development or for a lesser amount than we might otherwise choose.

If adequate funds are not available on a timely basis, we may:

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reduce or eliminate royalty aggregation efforts;

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further reduce our capital or operating expenditures;

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curtail our spending on protecting our intellectual property; or

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take other actions which may adversely affect our financial condition or results of operations.

Changes in the potential royalty acquisition market, including its structure and participants, or a reduction in the growth of the biopharmaceutical industry, could lead to diminished opportunities for us to acquire potential milestones and royalties, fewer potential milestones and royalties (or potential milestones or royalties of significant scale) being available, or increased competition for potential royalties. Even if we continue to acquire potential royalties and they

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become actual royalties, they may not generate a meaningful return for a period of several years, if at all, due to the price we pay for such royalties or other factors relating to the underlying products. As a result, we may not be able to continue to acquire potential milestones and royalties as we have in the past, or at all.

We have a continuing obligation to pay quarterly dividends to holders of our Series A Preferred stock and Series B Preferred Stock, which will be an on-going expenditure for us and may limit our ability to borrow additional funds.*

Holders of our Series A Preferred Stock are entitled to receive, when and as declared by our Board of Directors, out of funds legally available for the payment of dividends, cumulative cash dividends at the rate of 8.625% of the $25.00 liquidation preference per year (equivalent to $2.15625 per year). Dividends on the Series A Preferred Stock will accumulate and be cumulative from, and including, the date of original issue by us of the Series A Preferred Stock. Dividends will be payable in arrears on or about the 15th day of January, April, July and October beginning on or about April 15, 2021. In the event of any voluntary or involuntary liquidation, dissolution or winding up of our affairs, the holders of shares of Series A Preferred Stock are entitled to be paid out of our assets legally available for distribution to our stockholders a liquidation preference of $25.00 per share, plus an amount equal to any accumulated and unpaid dividends up to the date of payment (whether or not declared), before any distribution or payment may be made to holders of shares of common stock or any other class or series of our equity stock ranking, as to liquidation rights, junior to the Series A Preferred Stock. On and after December 15, 2021, the shares of Series A Preferred Stock will be redeemable at our option, in whole or in part, at redemption prices ranging from $26.00 per share to $25.00 per share, plus any accrued and unpaid dividends, depending on the date of redemption.

Holders of depositary shares representing interests in our Series B Preferred Stock are entitled to receive, when and as declared by our Board of Directors, out of funds legally available for the payment of dividends, cumulative cash dividends at the rate of 8.375% of the $25,000 liquidation preference per share of Series B Preferred Stock ($25.00 per depositary share) per year (equivalent to $2,093.75 per year or $2.09375 per depositary share). Dividends on the Series B Preferred Stock will accumulate and be cumulative from, and including, the date of original issue by us of the Series B Preferred Stock. Dividends will be payable in arrears on or about the 15th day of January, April, July and October beginning on or about July 15, 2021. As of June 30, 2021, we held restricted cash of $4.8 million in a segregated account that may only be used to pay dividends on our Series A and Series B Preferred Stock.

The payment of cash dividends and share repurchases is subject to limitations under applicable laws and the discretion of our Board of Directors and is determined after considering current conditions, including earnings, other operating results and capital requirements. Decreases in asset values or increases in liabilities can reduce net earnings and stockholders’ equity. A deficit in stockholders’ equity could limit our ability to pay dividends and make share repurchases under Delaware law. On the other hand, our continued obligation to pay dividends to the holders of our Series A Preferred Stock and depositary shares representing interests in Series B Preferred Stock could restrict us from additional borrowings or make them more costly.

The holders of our preferred stock have rights that are senior to those of our common stockholders.*

At June 30, 2021, we had issued and outstanding 984,000 shares of Series A Preferred Stock with a liquidation preference of $25.00 per share, plus an amount equal to any accumulated and unpaid dividends up to the date of payment (whether or not declared). Additionally, as of April 9, 2021, we had issued and outstanding 1,600,000 depositary shares, each representing a 1/1000^th fractional interest in a share of our Series B Preferred Stock with a liquidation preference of $25,000 per share of Series B Preferred Stock ($25.00 per depositary share), plus an amount equal to any accumulated and unpaid dividends up to the date of payment (whether or not declared). Our preferred stock is senior to our shares of common stock in right of payment of dividends and other distributions. In the event of our bankruptcy, dissolution or liquidation, the holders of our preferred stock must be satisfied before any distributions can be made to our common stockholders.

Information available to us about the biopharmaceutical products underlying the potential royalties we buy may be limited and therefore our ability to analyze each product and its potential future cash flow may be similarly limited.

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We may have limited information concerning the products generating the future potential milestones and royalties we are evaluating for acquisition. Often, the information we have regarding products following our acquisition of a potential milestone or royalty may be limited to the information that is available in the public domain. Therefore, there may be material information that relates to such products that we would like to know but do not have and may not be able to obtain. For example, we do not always know the results of studies conducted by marketers of the products of others or the nature or number of any complaints from doctors or users of such products. In addition, the market data that we obtain independently may also prove to be incomplete or incorrect. Due to these and other factors, the actual potential cash flow from a potential royalty may be significantly lower than our estimates.

Our future income is dependent upon numerous potential milestone and royalty-specific assumptions and, if these assumptions prove not to be accurate, we may not achieve our expected rates of returns.

Our business model is based on multiple-year internal and external forecasts regarding potential product sales and numerous product-specific assumptions in connection with each potential milestone and royalty acquisition, including where we have limited information regarding the product. There can be no assurance that the assumptions underlying our financial models, including those regarding potential product sales or competition, patent expirations or license terminations for the products underlying our portfolio, are accurate. These assumptions involve a significant element of subjective judgment and may be and in the past have been adversely affected by post-acquisition changes in market conditions and other factors affecting the underlying product. Our assumptions regarding the financial stability or operational or marketing capabilities of the partner obligated to pay us potential royalties may also prove to be incorrect. Due to these and other factors, the assets in our current portfolio or future assets may not generate our projected returns or in the time periods we expect. This could negatively impact our results of operation for a given period.

Reductions or declines in income from potential milestones and royalties, or significant reductions in potential milestone or royalty payments compared to expectations, or impairments in the value of potential milestones and royalties acquired could have a material adverse effect on our financial condition and results of operations.

The amount and duration of a royalty usually varies on a country-by-country basis and can be based on a number of factors, such as payments to third party licensors, whether the product is sold singly or in combination, patent expiration dates, regulatory exclusivity, years from first commercial sale of the applicable drug product, the entry of competing generic or biosimilar products, or other terms set out in the contracts governing the royalty. It is common for royalty durations to expire earlier or later than anticipated due to unforeseen positive or negative developments over time, including with respect to the granting of patents and patent term extensions, the invalidation of patents, claims of patent misuse, litigation between the party controlling the patents and third party challengers of the patents, the ability of third parties to design around or circumvent valid patents, the granting of regulatory exclusivity periods or extensions, timing for the arrival of generic or biosimilar competitor products, changes to legal or regulatory regimes affecting intellectual property rights or the regulation of pharmaceutical products, product life cycles, and industry consolidations. If an unexpected reduction in a royalty amount or shortening of a potential royalty term were to occur, it could result in a reduction in potential income from milestones and royalties, a significant reduction in potential milestones and royalty payments compared to expectations, or a permanent impairment of such potential milestones and royalty payments.

Our asset portfolio may not be fully diversified by product, therapeutic area, geographic region or other criteria. Any significant deterioration in the amount or likelihood of receipt of potential cash flows from the top products in our asset portfolio could have a material adverse effect on our business, financial condition and results of operations. In addition, should the payor of any future potential milestones or royalties decline to pay such potential milestones and royalties for any reason, such failure may result in a material adverse effect on our financial condition and results of operation.

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Risks Related to Our Reliance on Third Parties

We and our partners rely heavily on license and collaboration relationships, and any disputes or litigation with our partners or termination or breach of any of the related agreements could reduce the financial resources available to us, including our ability to receive milestone payments and future potential royalty and other revenues. License or collaboration agreements relating to products may, in some instances, be unilaterally terminated or disputes may arise which may affect our potential milestones, royalties and other payments.

License or collaboration agreements relating to the products generating our future potential milestones and royalties and other payment rights may be terminated, which may adversely affect sales of such products and therefore the potential payments we may receive. For example, under certain license or collaboration agreements, marketers may retain the right to unilaterally terminate the agreements. When the last patent covering a product expires or is otherwise invalidated in a country, a marketer may be economically motivated to terminate the applicable license or collaboration agreement, either in whole or with respect to such country, in order to terminate its payment and other obligations. In the event of such a termination, a licensor (which may be us in the case of our out-licensed products) or collaborator may no longer receive all of the payments it expected to receive from the applicable licensee or collaborator and may also be unable to find another company to continue developing and commercializing the product on the same or similar terms as those under the license or collaboration agreement that has been terminated.

In addition, license or collaboration agreements may fail to provide significant protection for the applicable licensor (which may be us in the case of our out-licensed products) or collaborator in case of the applicable licensee’s or collaborator’s failure to perform or in the event of disputes. License and collaboration agreements which relate to the products underlying our potential future milestones, royalties and other payment rights, are complex and certain provisions in such agreements may be susceptible to multiple interpretations. Disputes may arise regarding intellectual property, royalty terms, payment rights or other contractual terms subject to a license or collaboration agreement, including:

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the scope or duration of rights granted under the license or collaboration agreement and other interpretative issues;

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the amounts or timing of royalties, milestones or other payments due under the license or collaboration agreement;

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the sublicensing of patent or other rights under our license or collaboration relationships;

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the diligence obligations under the license or collaboration agreement and what activities satisfy such diligence obligations:

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the inventorship and ownership of inventions and know-how resulting from the joint creation or use of intellectual property by us or our partners; and

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the priority of invention of patented technology.

The resolution of any contract interpretation disagreement that may arise could narrow what the licensor (which may be us in the case of our out-licensed products) or collaborator believes to be the scope of its rights to the relevant intellectual property or technology, or decrease the licensee’s or collaborator’s financial or other obligations under the relevant agreement, any of which could in turn impact the value of our potential royalties, milestones and other payments and have a material adverse effect on our business, financial condition, results of operations and prospects. If a marketer were to default on its obligations under a license or collaboration agreement, the licensor’s or collaborator’s remedy may be limited either to terminating certain licenses or collaborations related to certain countries or to generally terminate the license or collaboration agreement with respect to such country. In such cases, we may not have the right to seek to enforce the rights of the licensor or collaborator (if not us) and we may be required to rely on the resources and willingness of the licensor or collaborator (if not us) to enforce its rights against the applicable licensee or collaborator. In any of these situations, if the expected upfront, milestone, royalty or other payments under the license or collaboration agreements do

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not materialize, this could result in a significant loss to us and materially adversely affect our business, financial condition and results of operations. At any given time, the Company may be engaged in discussions with its licensees or collaborators regarding the interpretation of the payment and other provisions relating to products as to which we have milestones and potential royalty or other payment rights. Should any such discussions result in a disagreement regarding a particular product that cannot be resolved satisfactorily to us, we may end up being paid less than anticipated on such product should it successfully progress through clinical development and be approved for commercialization. Should our milestone and future potential royalty or other payment interests be reduced or eliminated as result of any such disagreement, it could have an adverse effect on our business, financial condition, results of operation and prospects.

Our existing collaborations may not continue or be successful, and we may be unable to enter into future collaborative arrangements to develop and commercialize our unpartnered assets. Generally, our current collaborative partners also have the right to terminate their collaborations at will or under specified circumstances. If any of our collaborative partners breach or terminate their agreements with us or otherwise fail to conduct their collaborative activities successfully (for example, by not making required payments when due, or at all or failing to engage in commercially reasonable efforts to develop products if required), our product development under these agreements will be delayed or terminated.

Our potential milestone and royalty providers may rely on third parties to provide services in connection with their product candidate development and manufacturing programs. The inadequate performance by or loss of any of these service providers could affect our potential milestone and royalty providers’ product candidate development.

Third parties provide services in connection with preclinical and clinical development programs, including in vitro and in vivo studies, assay and reagent development, immunohistochemistry, toxicology, pharmacokinetics, clinical trial support, manufacturing and other outsourced activities. If these service providers do not adequately perform the services for which our potential milestone and royalty providers have contracted, or cease to continue operations, and are not able to find a replacement provider quickly or lose information or items associated with their drug product candidates, our potential milestone and royalty providers’ development programs and receipt of any potential resulting income may be delayed.

Agreements with other third parties, many of which are material to our business, expose us to numerous risks and have caused us to incur additional liabilities.

Because our licensees, suppliers and contractors are independent third parties, they may be subject to different risks than we are and have significant discretion in, and different criteria for, determining the efforts and resources they will apply related to their agreements with us. If these licensees, suppliers and contractors do not successfully perform the functions for which they are responsible, we may not have the capabilities, resources or rights to do so on our own.

We do not know whether we or our licensees will successfully develop and market any of the products that are or may become the subject of any of our licensing arrangements. In addition, third-party arrangements such as ours also increase uncertainties in the related decision-making processes and resulting progress under the arrangements, as we and our licensees may reach different conclusions, or support different paths forward, based on the same information, particularly when large amounts of technical data are involved.

Under our contracts with NIAID, a part of the National Institute of Health (“NIH”), we invoiced using NIH provisional rates, and these are subject to future audits at the discretion of NIAID’s contracting office. In October of 2019, NIH notified us that it engaged KPMG LLP (“KPMG”) to perform an audit of our Incurred Cost Submissions for 2013, 2014 and 2015. The audit procedures were complete as of December 31, 2020 and we adjusted our estimated liability owed to NIH to $1.4 million. This audit has resulted in an adjustment to revenue previously reported. The audit remains subject to further review by NIH as part of the contract close-out process, which includes finalization of rates for years 2010 through 2015, and we may incur further liability as a result.

In addition, under the contracts with HCRP, the amortization for the reporting period is calculated based on the payments expected to be made by the licensees to HCRP over the term of the arrangement. Any changes to the estimated payments by the licensees to HCRP can result in a material adjustment to revenue previously reported.

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Failure of our potential milestone and royalty providers’ product candidates to meet current Good Manufacturing Practices standards may subject our licensees to delays in regulatory approval and penalties for noncompliance.

Our potential milestone and royalty providers may rely on third party manufacturers and such contract manufacturers are required to produce clinical product candidates under current Good Manufacturing Practices (“cGMP”) to meet acceptable standards for use in clinical trials and for commercial sale, as applicable. If such standards change, the ability of contract manufacturers to produce our potential milestone and royalty providers’ drug product candidates on the schedule required for clinical trials or to meet commercial requirements may be affected. In addition, contract manufacturers may not perform their obligations under their agreements with our potential milestone and royalty providers or may discontinue their business before the time required by us to successfully produce clinical and commercial supplies of our potential milestone and royalty providers’ product candidates.

Contract manufacturers are subject to pre-approval inspections and periodic unannounced inspections by the FDA and corresponding state and foreign authorities to ensure strict compliance with cGMP and other applicable government regulations and corresponding foreign standards. We do not have control over a third-party manufacturer’s compliance with these regulations and standards. Any difficulties or delays in contractors’ manufacturing and supply of our potential milestone and royalty providers’ product candidates or any failure of our potential milestone and royalty providers’ contractors to maintain compliance with the applicable regulations and standards could increase costs, reduce revenue, make our licensees postpone or cancel clinical trials, prevent or delay regulatory approval by the FDA and corresponding state and foreign authorities, prevent the import and/or export of our potential milestone and royalty providers’ product candidates, or cause any of our potential milestone and royalty providers’ products that may be approved for commercial sale to be recalled or withdrawn.

Certain of our technologies are in-licensed from third parties, so our and our licensees’ capabilities use of them may be restricted and subject to additional risks.

We have licensed technologies from third parties. These technologies include phage display technologies licensed to us in connection with our bacterial cell expression technology licensing program and antibody products. However, our and our licensees and collaborators’ use of these technologies is limited by certain contractual provisions in the licenses relating to them, and although we have obtained numerous licenses, intellectual property rights in the area of phage display are particularly complex. If we are unable to maintain our licenses, patents or other intellectual property, we could lose important protections that are material to continuing our operations and for future prospects. Our licensors also may seek to terminate our license, which could cause us and our licensees to lose the right to use the licensed intellectual property and adversely affect our and our licensees’ ability to commercialize our technologies, products or services.

Risks Related to the Development and Commercialization of our Current and Future Product Candidates

To grow and diversify our business, we plan to continue our business development efforts to identify and seek to acquire and/or in-license potential milestone and royalty streams or companies. Future growth through acquisition or in-licensing will depend upon the availability of suitable products, product candidates, programs or companies for acquisition or in-licensing on acceptable prices, terms and conditions. Even if appropriate opportunities are available, we may not be able to acquire rights to them on acceptable terms, or at all. The competition to acquire or in-license rights to promising products, product candidates, programs and companies is fierce, and many of our competitors are large, multinational pharmaceutical and biotechnology companies with considerably more financial, development and commercialization resources, personnel, and experience than we have. In order to compete successfully in the current business climate, we may have to pay higher prices for assets than may have been paid historically, which may make it more difficult for us to realize an adequate return on any acquisition.

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Even if we are able to successfully identify and acquire or in-license new products, product candidates, programs or companies, we may not be able to successfully manage the risks associated with integrating any products, product candidates, programs or companies into our business or the risks arising from anticipated and unanticipated problems in connection with an acquisition or in-licensing. Further, while we seek to mitigate risks and liabilities of potential acquisitions through, among other things, due diligence, indemnification and risk allocation, there may be risks and liabilities that such due diligence efforts fail to discover, that are not disclosed to us, or that we inadequately assess. Any failure in identifying and managing these risks and uncertainties effectively would have a material adverse effect on our business. In any event, we may not be able to realize the anticipated benefits of any acquisition or in-licensing for a variety of reasons, including the possibility that a product candidate fails to advance to clinical development, proves not to be safe or effective in clinical trials, or that a product fails to reach its forecasted commercial potential or that the integration of a product, product candidate, program or company gives rise to unforeseen difficulties and expenditures. Any failure in identifying and managing these risks and uncertainties would have a material adverse effect on our business.

If our potential royalty providers’ therapeutic product candidates do not receive regulatory approval, our potential royalty providers will be unable to market them.

Our potential royalty providers’ product candidates cannot be manufactured and marketed in the United States or any other countries without required regulatory approvals. The U.S. government and governments of other countries extensively regulate many aspects of our product candidates, including:

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clinical development and testing;

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manufacturing;

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labeling;

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storage;

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record keeping;

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promotion and marketing; and

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importing and exporting.

In the United States, the FDA regulates pharmaceutical products under the Federal Food, Drug, and Cosmetic Act and other laws, including, in the case of biologics, the Public Health Service Act.

Initiation of clinical trials requires approval by health authorities. Clinical trials involve the administration of the investigational new drug to healthy volunteers or to patients under the supervision of a qualified principal investigator. Clinical trials must be conducted in accordance with FDA and International Conference on Harmonization Good Clinical Practices and the European Clinical Trials Directive, as applicable, under protocols that detail the objectives of the study, the parameters to be used to monitor safety and the efficacy criteria to be evaluated. Other national, foreign and local regulations also may apply. The developer of the drug must provide information relating to the characterization and controls of the product before administration to the patients participating in the clinical trials. This requires developing approved assays of the product to test before administration to the patient and during the conduct of the trial. In addition, developers of pharmaceutical products must provide periodic data regarding clinical trials to the FDA and other health authorities, and these health authorities may issue a clinical hold upon a trial if they do not believe, or cannot confirm, that the trial can be conducted without unreasonable risk to the trial participants.

The results of the preclinical studies and clinical testing, together with chemistry, manufacturing and controls information, are submitted to the FDA and other health authorities in the form of a New Drug Application (“NDA”) for a drug, and in the form of a Biologic License Application (“BLA”) for a biological product, requesting approval to commence commercial sales. In responding to an NDA or BLA, the FDA or foreign health authorities may grant marketing

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approvals, request additional information or further research, or deny the application if they determine the application does not satisfy regulatory approval criteria. Regulatory approval of an NDA, BLA, or supplement is never guaranteed. The approval process can take several years, is extremely expensive and can vary substantially based upon the type, complexity, and novelty of the products involved, as well as the target indications. Our potential royalty providers ultimately may not be able to obtain approval in a timely fashion or at all.

The FDA and foreign health authorities have substantial discretion in the drug and biologics approval processes. Despite the time and expense incurred, failure can occur at any stage, and our potential development partners could encounter problems that cause abandonment of clinical trials or cause them to repeat or perform additional preclinical, clinical or manufacturing-related studies.

Changes in the regulatory approval policy during the development period, changes in, or the enactment of additional regulations or statutes, or changes in regulatory review for a submitted product application may cause delays in the approval or rejection of an application.

The FDA and other regulatory agencies have substantial discretion in both the product approval process and manufacturing facility approval process, and as a result of this discretion and uncertainties about outcomes of testing, we cannot predict at what point, or whether, the FDA or other regulatory agencies will be satisfied with our licensees’ submissions or whether the FDA or other regulatory agencies will raise questions that may be material and delay or preclude product approval or manufacturing facility approval. In light of this discretion and the complexities of the scientific, medical and regulatory environment, our or our potential royalty providers’ interpretation or understanding of the FDA’s or other regulatory agencies’ requirements, guidelines or expectations may prove incorrect, which also could delay further or increase the cost of the approval process.

Our potential milestone and royalty providers face uncertain results of clinical trials of product candidates.

Drug development has inherent risk, and our potential milestone and royalty providers are required to demonstrate through adequate and well-controlled clinical trials that product candidates are effective, with a favorable benefit-risk profile for use in their target profiles before they can seek regulatory approvals for commercial use. It is possible our potential royalty providers may never receive regulatory approval for any licensed product candidates. Even if a product candidate receives regulatory approval, the resulting product may not gain market acceptance among physicians, patients, healthcare payors and the medical community.

Our potential milestone and royalty providers’ product candidates require significant additional research and development, extensive preclinical studies and clinical trials and regulatory approval prior to any commercial sales. This process is lengthy and expensive, often taking a number of years. As clinical results frequently are susceptible to varying interpretations that may delay, limit or prevent regulatory approvals, the length of time necessary to complete clinical trials and to submit an application for marketing approval for a final decision by a regulatory authority varies significantly. As a result, it is uncertain whether:

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our potential milestone and royalty providers’ future filings will be delayed;

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our potential milestone and royalty providers’ preclinical studies will be successful;

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our potential milestone and royalty providers will be successful in generating viable product candidates;

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we will be successful in finding collaboration and licensing partners to advance our product candidates on our behalf;

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our potential milestone and royalty providers will be able to provide necessary data;

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results of future clinical trials by our potential milestone and royalty providers will justify further development; or

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our potential milestone and royalty providers ultimately will achieve regulatory approval for product candidates in which we have an interest.

The timing of the commencement, continuation and completion of clinical trials by our potential milestone and royalty providers may be subject to significant delays relating to various causes, including failure to complete preclinical testing and earlier-stage clinical trials in a timely manner, inability to engage contract research organizations and other service providers, scheduling conflicts with participating clinicians and clinical institutions, changes in key personnel at clinical institutions, difficulties in identifying and enrolling patients who meet trial eligibility criteria and shortages of available drug supply. In addition, since we and our royalty agreement counterparties license our product candidates to others to fund and conduct clinical trials, we, and they, have limited control over how quickly and efficiently such licensees advance those trials. Patient enrollment is a function of many factors, including the size of the patient population, the proximity of patients to clinical sites, the concentration of patients in specialist centers, the eligibility criteria for the trial, the existence of competing clinical trials and the availability of alternative or new treatments. Regardless of the initial size or relative complexity of a clinical trial, the costs of such trial may be higher than expected due to increases in duration or size of the trial, changes in the protocol under which the trial is being conducted, additional or special requirements of one or more of the healthcare centers where the trial is being conducted, or changes in the regulatory requirements applicable to the trial or in the standards or guidelines for approval of the product candidate being tested or for other unforeseen reasons.

In addition, our potential milestone and royalty providers may conduct clinical trials in foreign countries, which may subject them to further delays and expenses as a result of increased drug shipment costs, additional regulatory requirements and the engagement of foreign clinical research organizations, and may expose our potential milestone and royalty providers to risks associated with foreign currency transactions to make contract payments denominated in the foreign currency where the trial is being conducted.

New products and technologies of other companies may render some or all of our potential milestone and royalty providers’ product candidates noncompetitive or obsolete.

New developments by others may render our potential milestone and royalty providers’ product candidates or technologies obsolete or uncompetitive. Technologies developed and utilized by the biotechnology and pharmaceutical industries are changing continuously and substantially. Competition in antibody-based technologies is intense and is expected to increase in the future as a number of established biotechnology firms and large chemical and pharmaceutical companies advance in these fields. Many of these competitors may be able to develop products and processes competitive with or superior to our potential milestone and royalty providers for many reasons, including that they may have:

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significantly greater financial resources;

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larger research and development staffs;

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entered into arrangements with, or acquired, biotechnology companies to enhance their capabilities; or

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extensive experience in preclinical testing and human clinical trials.

These factors may enable others to develop products and processes competitive with or superior to our own or those of our potential milestone and royalty providers. In addition, a significant amount of research in biotechnology is being carried out in universities and other non-profit research organizations. These entities are becoming increasingly interested in the commercial value of their work and may become more aggressive in seeking patent protection and licensing arrangements. Furthermore, many companies and universities tend not to announce or disclose important discoveries or development programs until their patent position is secure or, for other reasons, later. As a result, we and our potential milestone and royalty providers may not be able to track development of competitive products, particularly at the early stages.

Positive developments in connection with a potentially competing product may have an adverse impact on our future potential for receiving revenue derived from development milestones and royalties. For example, if another product

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is perceived to have a competitive advantage, or another product’s failure is perceived to increase the likelihood that our licensed product will fail, our potential milestone and royalty providers may halt development of product candidates in which we have an interest.

Our potential royalty providers may be unable to price our products effectively or obtain coverage and adequate reimbursement for sales of our products, which would prevent our potential royalty providers’ products from becoming profitable and negatively affect the royalties we may receive.

If our potential royalty providers succeed in bringing our product candidates to the market, they may not be considered cost effective, and reimbursement to the patient may not be available or may not be sufficient to allow our potential royalty providers to sell the products on a competitive basis. In both the United States and elsewhere, sales of medical products and treatments are dependent, in part, on the availability of coverage and adequate reimbursement from third-party payors, such as government and private insurance plans. Significant uncertainty exists as to the coverage and reimbursement status of any products for which our potential royalty providers may obtain regulatory approval. Even if coverage is available, the associated reimbursement rate may not be adequate for our potential royalty providers to cover related marketing costs. Additionally, coverage and reimbursement policies for drug products can differ significantly from payor to payor as there is no uniform policy of coverage and reimbursement for drug products among third-party payors in the United States. Therefore, the process of obtaining coverage and reimbursement is often time-consuming and costly. Thus, even if our partners’ product candidates are approved by the FDA, our royalty partners may not be able to price the products effectively or obtain coverage and adequate reimbursement for their products, which could adversely affect the royalties we receive.

Third-party payors are increasingly challenging the prices charged for pharmaceutical products and services. Our business is affected by the efforts of government and third-party payors to contain or reduce the cost of healthcare through various means. In the United States, there have been and will continue to be a number of federal and state proposals to implement government controls on pricing.

In addition, the emphasis on managed care in the United States has increased and will continue to increase the pressure on the pricing of pharmaceutical products. We cannot predict whether any legislative or regulatory proposals will be adopted or the effect these proposals or managed care efforts may have on our or our potential milestone and royalty providers’ businesses.

We do not know whether there will be, or will continue to be, a viable market for the product candidates in which we have an ownership or royalty interest.

Even if product candidates in which we have an interest receive approval in the future, they may not be accepted in the marketplace. In addition, our potential royalty providers may experience difficulties in launching new products, many of which are novel and based on technologies that are unfamiliar to the healthcare community. We have no assurance healthcare providers and patients will accept such products, if developed. Similarly, physicians may not accept a product if they believe other products to be more effective or more cost effective or are more comfortable prescribing other products.

Furthermore, government agencies, as well as private organizations involved in healthcare, from time to time publish guidelines or recommendations to healthcare providers and patients. Such guidelines or recommendations can be very influential and may adversely affect product usage directly (for example, by recommending a decreased dosage of a product in conjunction with a concomitant therapy) or indirectly (for example, by recommending a competitive product over a product in which we have an ownership or royalty interest). Consequently, we do not know if physicians or patients will adopt or use products in which we have an ownership or royalty interest for their approved indications.

Even approved and marketed products are subject to risks relating to changes in the market for such products. Introduction or increased availability of generic or biosimilar versions of products can alter the market acceptance of branded products. In addition, unforeseen safety issues may arise at any time, regardless of the length of time a product has been on the market which may lead to litigation, increased costs and delays or removal of the product from the market.

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We are exposed to an increased risk of product liability claims.

The testing, marketing and sales of medical products entails an inherent risk of allegations of product liability. In the past, we were party to product liability claims filed against Genentech Inc. and, even though Genentech agreed to indemnify us in connection with these matters and these matters have been settled, there can be no assurance other product liability lawsuits will not result in defense costs and/or liability to us or that our insurance or contractual arrangements will provide us with adequate protection against such liabilities. In the event of one or more large, unforeseen awards of damages against us, our product liability insurance may not provide adequate coverage. A significant product liability claim for which we were not adequately covered by insurance or indemnified by a third party would have to be paid from cash or other assets, which could have an adverse effect on our business, financial condition and the value of our common stock. To the extent we have sufficient insurance coverage, such a claim would presumably result in higher subsequent insurance rates. In addition, product liability claims can have various other ramifications, regardless of merit or eventual outcome, including loss of future sales opportunities, discontinuation of clinical trials, increased costs associated with replacing products, a negative impact on our goodwill and reputation, costs to defend litigation, and divert our management’s attention from our business, each of which could also adversely affect our business and operating results.

We and our potential royalty providers rely on patent protection, as well as a combination of copyright, trade secret, and trademark laws to protect our proprietary technology and prevent others from duplicating our products or product candidates. However, these means may afford only limited protection and may not:

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prevent our competitors from duplicating our products and those of our potential royalty providers;

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prevent our competitors from gaining access to our proprietary information and technology and that of our potential royalty providers; or

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permit us or our potential royalty providers to gain or maintain a competitive advantage.

Because of the length of time and the expense associated with bringing new products to the marketplace, we and our potential royalty providers hold and are in the process of applying for a number of patents in the United States and abroad to protect product candidates and important processes and also have obtained or have the right to obtain exclusive licenses to certain patents and applications filed by others. However, the mere issuance of a patent is not conclusive as to its validity or its enforceability.

The U.S. Federal Courts, the U.S. Patent & Trademark Office or equivalent national courts or patent offices elsewhere may invalidate our patents or find them unenforceable. The America Invents Act introduced post-grant review procedures subjecting U.S. patents to post-grant review procedures similar to European oppositions. U.S. patents owned or licensed by us or our licensees may therefore be subject to post-grant review procedures, as well as other forms of review and re-examination. A decision in such proceedings adverse to our interests could result in the loss of valuable patent rights, which would have a material adverse effect on our business. In addition, the laws of foreign countries may not protect our intellectual property rights effectively or to the same extent as the laws of the United States.

If our, and our potential royalty providers intellectual property rights are not protected adequately, our potential royalty providers may not be able to commercialize technologies or products in which we have an ownership or royalty interest, and our competitors could commercialize such technologies or products, which could result in a decrease in our potential royalty providers’ sales and market share that would harm our business and operating results. Specifically, the patent position of biotechnology companies generally is highly uncertain and involves complex legal and factual questions.

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The legal standards governing the validity of biotechnology patents are in transition, and current defenses as to issued biotechnology patents may not be adequate or available in the future. Accordingly, there is uncertainty as to:

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whether any pending or future patent applications held by us or our potential royalty providers will result in an issued patent, or whether issued patents will provide meaningful protection against competitors or competitive technologies;

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whether competitors will be able to design around our or our potential royalty providers’ patents or develop and obtain patent protection for technologies, designs or methods that are more effective than those covered by our or our potential royalty providers’ patents and patent applications; or

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the extent to which our or our potential royalty providers’ product candidates could infringe on the intellectual property rights of others, which may lead to costly litigation, result in the payment of substantial damages or royalties, reduce the royalty rate due to us, and prevent our potential royalty providers from using our technology or product candidates.

If certain patents issued to others are upheld or if certain patent applications filed by others are issued and upheld, our potential royalty providers may require licenses from others to develop and commercialize certain potential products in which we have an ownership or royalty interest. These licenses, if required, may not be available on acceptable terms, or may trigger contractual royalty offset clauses in our license agreements, or those of our royalty-agreement counterparties. We may become involved in litigation to determine the proprietary rights of others, and any such litigation will presumably be costly, time consuming, may not be adequately covered by insurance and may have other adverse effects on our business, such as inhibiting our potential royalty providers’ ability to compete in the marketplace and absorbing significant management time.

Due to the uncertainties regarding biotechnology patents, we also have relied and will continue to rely upon trade secrets, know-how and continuing technological advancement to develop and maintain our competitive position. Our employees and contractors are typically required to sign confidentiality agreements under which they agree not to use or disclose any of our proprietary information. Research and development contracts and relationships between us and our scientific consultants and potential licensees provide access to aspects of our know-how that are protected generally under confidentiality agreements. These confidentiality agreements may be breached or may not be enforced by a court. To the extent proprietary information is divulged to competitors or to the public generally, such disclosure may adversely affect our licensees’ ability to develop or commercialize our products by giving others a competitive advantage or by undermining our patent position.

In addition, periodic maintenance fees, renewal fees, annuity fees and various other governmental fees on patents and or applications will be due to the U.S. and various foreign patent offices at various points over the lifetime of our and our licensees’ patents and/or applications. We have systems in place to remind us to pay these fees, and we rely on our outside patent annuity service to pay these fees when due. Additionally, the U.S. and various foreign patent offices require compliance with a number of procedural, documentary, fee payment and other similar provisions during the patent application process. We employ reputable law firms and other professionals to help us comply, and in many cases, an inadvertent lapse can be cured by payment of a late fee or by other means in accordance with rules applicable to the particular jurisdiction. However, there are situations in which noncompliance can result in abandonment or lapse of the patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. If such an event were to occur, it could have a material adverse effect on our business.

Litigation regarding intellectual property and/or the enforcement of our contractual rights against licensees and third parties can be costly and expose us to risks of counterclaims against us.

We may be required to engage in litigation or other proceedings to protect our intellectual property and/or enforce our contractual rights against former or current licensees or third parties, including third-party collaborators of such licensees. The cost to us of this litigation, even if resolved in our favor, could be substantial and parties to such litigation may be able to sustain the cost of such litigation and proceedings more effectively than we can if they have substantially greater resources than us. Such litigation and any negotiations leading up to it also may be time-consuming and could

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divert management’s attention and resources. If this litigation is resolved against us, we may lose the value associated with contract rights contained in our arrangements with licensees and third parties, our patents may be declared invalid, and we could be held liable for significant damages. While it is our current plan to pursue, on a selective basis, potential material contractual breaches against licensees and third parties (including third-party collaborators of licensees) and/or infringement of our intellectual property rights or technology, there can be no assurance that any such enforcement actions will be successful, or if successful, the timing of such success or that we will have sufficient capital to prosecute any such actions to a successful conclusion.

In addition, we may be subject to claims that we, or our licensees, are infringing other parties’ patents. If such claims are resolved against us, we or our licensees may be enjoined from developing, manufacturing, selling or importing products, processes or services unless we obtain a license from the other party. Such license may not be available on reasonable terms or at all, thus preventing us, or our licensees, from using these products, processes or services and adversely affecting our potential future revenue.

Uncertainties resulting from our participation in intellectual property litigation or other proceedings could have a material adverse effect on our ability to compete in the marketplace. There could also be public announcements of the results of hearings, motions or interim proceedings or developments. If securities analysts or investors perceive these results to be negative, the perceived value of the drug product candidates as to which we hold future potential milestone or royalty interests, or intellectual property could be diminished. Accordingly, the market price of our common stock may decline. Uncertainties resulting from the initiation and continuation of intellectual property litigation or other proceedings could have a material adverse effect of our business, financial condition and results of operation.

Risks Related to Employees, Location, Data Integrity, and Litigation

The loss or COVID-19 related absence of any of our personnel, including our Chief Executive Officer or Chief Financial Officer, could delay or prevent achieving our objectives.

Our business efforts could be adversely affected by the loss or COVID-19 related absence of one or more key members of our staff, including our executive officers: James R. Neal, our Chief Executive Officer and Thomas Burns, our Senior Vice President, Finance and Chief Financial Officer. We currently do not have key person insurance on any of our employees. In addition, given our minimal employee base, a COVID-19 outbreak in our employee population could significantly hinder our ability to meet our operating objectives.

Because we are a small biopharmaceutical focused company with limited resources, we may not be able to attract and retain qualified personnel.

We had 11 employees as of August 2, 2021. We may require additional experienced executive, accounting, legal, administrative and other personnel from time to time in the future. There is intense competition for the services of these personnel, especially in California. Moreover, we expect that the high cost of living in the San Francisco Bay Area, where our headquarters is located, may impair our ability to attract and retain employees in the future. If we do not succeed in attracting new personnel and retaining and motivating existing personnel, our business may suffer and we may be unable to implement our current initiatives or grow effectively.

We rely and will continue to rely on outsourcing arrangements for many of our activities, including financial reporting and accounting and human resources.

Due to our small number of employees, we rely, and expect to continue to rely, on outsourcing arrangements for a significant portion of our activities, including financial reporting and accounting and human resources, as well as for certain of our functions as a public company. We may have limited control over these third parties and we cannot guarantee that they will perform their obligations in an effective and timely manner.

Our employees may engage in misconduct or other improper activities, including noncompliance with regulatory standards and requirements and insider trading.

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We are exposed to the risk of employee fraud or other misconduct. Misconduct by employees could include intentional failures to comply with applicable regulations, provide accurate information to regulatory authorities, comply with federal and state fraud and abuse laws and regulations, report financial information or data accurately or disclose unauthorized activities to us. In particular, the health care industry is subject to extensive laws and regulations intended to prevent fraud, misconduct, kickbacks, self-dealing and other abusive practices. It is not always possible to identify and deter employee misconduct, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to be in compliance with these laws or regulations. If any such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have a significant impact on our business, including the imposition of significant fines or other sanctions.

Natural disasters, power shortages, power interruptions or other calamities at our Emeryville headquarters could disrupt our business and adversely affect our operations.

Our corporate headquarters is located in Emeryville, California. This location is in an area of seismic activity near active earthquake faults. Any earthquake, tsunami, terrorist attack, riot, fire, power shortage or other calamity affecting our facilities may disrupt our business and could have material adverse effect on our results of operations.

If a natural disaster, power outage or other event occurred that prevented us from using all or a significant portion of our headquarters, that damaged critical infrastructure or that otherwise disrupted operations, it may be difficult or, in certain cases, impossible for us to continue our business for a substantial period of time. We may incur substantial expenses as a result of the limited nature of our disaster recovery and business continuity plans, which, particularly when taken together with our lack of earthquake insurance, could have a material adverse effect on our business.

Our business and operations would suffer in the event of system failures.

Despite the implementation of security measures, our internal computer systems and those of our current and any future licensees, suppliers, contractors and consultants are vulnerable to damage from cyberattacks, computer viruses, unauthorized access, natural disasters, terrorism, war and telecommunication and electrical failures. We could experience failures in our information systems and computer servers, which could be the result of a cyberattacks and could result in an interruption of our normal business operations and require substantial expenditure of financial and administrative resources to remedy. System failures, accidents or security breaches can cause interruptions in our operations and can result in a material disruption of our development programs and other business operations. The loss of clinical trial data from completed or future clinical trials could result in delays in our regulatory approval efforts and significantly increase our costs to recover or reproduce the data. Similarly, we rely on third parties to manufacture our product candidates, and conduct clinical trials of our product candidates, and similar events relating to their computer systems could also have a material adverse effect on our business. To the extent that any disruption or security breach were to result in a loss of, or damage to, our data or applications, or inappropriate disclosure of confidential or proprietary information, we could incur liability and the development of any of our product candidates could be delayed or otherwise adversely affected.

Data breaches and cyberattacks could compromise our intellectual property or other sensitive information and cause significant damage to our business and reputation.

In the ordinary course of our business, we maintain sensitive data on our networks, including our intellectual property and proprietary or confidential business information relating to our business and that of our customers and business partners. The secure maintenance of this information is critical to our business and reputation. We believe companies have been increasingly subject to a wide variety of security incidents, cyberattacks and other attempts to gain unauthorized access. These threats can come from a variety of sources, all ranging in sophistication from an individual hacker to a state-sponsored attack. Cyber threats may be generic, or they may be custom-crafted against our information systems. Cyberattacks have become more prevalent and much harder to detect and defend against. Our network and storage applications may be subject to unauthorized access by hackers or breached due to operator error, malfeasance or other system disruptions. It is often difficult to anticipate or immediately detect such incidents and the damage caused by such incidents. These data breaches and any unauthorized access or disclosure of our information or intellectual property could compromise our intellectual property and expose sensitive business information. A data security breach could also lead to

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public exposure of personal information of our clinical trial patients, customers and others which could expose us to liability under federal or state privacy laws. Cyberattacks can result in the theft of proprietary information which could be used to compete against us and could cause us to incur significant remediation costs, result in product development delays, disrupt key business operations and divert attention of management and key information technology resources. These incidents could also subject us to liability, expose us to significant expense and cause significant harm to our reputation and business.

U.S. and international authorities have been warning businesses of increased cybersecurity threats from actors seeking to exploit the COVID-19 pandemic. Moreover, failure to maintain effective internal accounting controls related to data security breaches and cybersecurity in general could impact our ability to produce timely and accurate financial statements and could subject us to regulatory scrutiny. In addition, these breaches and other inappropriate access can be difficult to detect, and any delay in identifying them may lead to increased harm of the type described above. Moreover, the prevalent use of mobile devices that access confidential information increases the risk of data security breaches, which could lead to the loss of confidential information, trade secrets or other intellectual property. While we have implemented security measures that are intended to protect our data security and information technology systems, such measures may not prevent such events.

Significant disruptions of information technology systems, including cloud-based systems, or breaches of data security could adversely affect our business.

Our business is increasingly dependent on critical, complex and interdependent information technology systems, including cloud-based systems, to support business processes as well as internal and external communications. Our computer systems, and those of our partners and contractors, are potentially vulnerable to breakdown, malicious intrusion and computer viruses that may result in the impairment of key business processes. Such disruptions and breaches of security could have a material adverse effect on our business, financial condition and results of operations.

In addition, our data security and information technology systems, as well as those of our partners and contractors, are potentially vulnerable to data security breaches, whether by employees or others, that may expose sensitive data or personal information to unauthorized persons. Effective May 25, 2018, the European Union (“EU”) implemented the General Data Protection Regulation (“GDPR”) a broad data protection framework that expands the scope of current EU data protection law to non-European Union entities that process, or control the processing of, the personal information of EU subjects, including clinical trial data. The GDPR allows for the imposition of fines and/or corrective action on entities that improperly use or disclose the personal information of EU subjects, including through a data security breach.

The California Consumer Privacy Act of 2018 became effective on January 1, 2020 and its applicable regulations are being implemented in waves by the California Attorney General, including additional regulations that were still in the comment phase at the end of 2020 (collectively the Act and its regulations, “CCPA”). The CCPA establishes a privacy framework for covered businesses, including an expansive definition of personal information and data privacy rights for California residents. The CCPA includes a framework with potentially severe statutory damages and private rights of action. The CCPA requires covered companies to provide new disclosures to California consumers (as that word is broadly defined in the CCPA), provide such consumers new ways to opt-out of certain sales of personal information, and allow for a new cause of action for data breaches. As we expand our operations, the CCPA will likely impact our business activities and may increase our compliance costs and potential liability. If we fail to comply with the CCPA, including all of the various and recent waves of its implementing regulations, we may face significant fines and penalties that could adversely affect our business, financial condition and results of operations. Other states are beginning to pass similar laws, and some observers have noted that the CCPA could mark the beginning of a trend toward more stringent privacy legislation in the United States, which could increase our potential liability and adversely affect our business. Accordingly, data security breaches experienced by us, our partners or contractors could lead to significant fines, required corrective action, the loss of trade secrets or other intellectual property, public disclosure of sensitive clinical or commercial data, and the exposure of personally identifiable information (including sensitive personal information) of our employees, partners, and others. A data security breach or privacy violation that leads to disclosure or modification of, or prevents access to, patient

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information, including personally identifiable information or protected health information, could result in fines, increased costs or loss of revenue as a result of:

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harm to our reputation;

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fines imposed on us by regulatory authorities;

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additional compliance obligations under federal, state or foreign laws;

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requirements for mandatory corrective action to be taken by us; and

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requirements to verify the correctness of database contents and otherwise subject us to liability under laws and regulations that protect personal data.

If we are unable to prevent such data security breaches or privacy violations or implement satisfactory remedial measures, our operations could be disrupted, and we may suffer loss of reputation, financial loss and other regulatory penalties because of lost or misappropriated information, including sensitive patient data. In addition, these breaches and other inappropriate access can be difficult to detect, and any delay in identifying them may lead to increased harm of the type described above. Moreover, the prevalent use of mobile devices that access confidential information increases the risk of data security breaches, which could lead to the loss of confidential information, trade secrets or other intellectual property. While we have implemented security measures to protect our data security and information technology systems, such measures may not prevent such events. We expect that there will continue to be new proposed laws, regulations and industry standards relating to privacy and data protection in the United States, the EU and other jurisdictions, such as the CCPA. We cannot presently determine the impact such laws, regulations and standards will have on our business. It is possible that the GDPR, CCPA or other laws and regulations relating to privacy and data protection may be interpreted and applied in a manner that is inconsistent from jurisdiction to jurisdiction or inconsistent with our current policies and practices and compliance with such laws and regulations could require us to change our business practices and compliance procedures in a manner adverse to our business. We cannot guarantee that we are in compliance with all such applicable data protection laws and regulations as they are enforced now or as they evolve.

Risks Related to Government Regulation

Even after FDA approval, a product may be subject to additional testing or significant marketing restrictions, its approval may be withdrawn or it may be removed voluntarily from the market.

Even if our potential royalty providers receive regulatory approval for our product candidates, our licensees will be subject to ongoing regulatory oversight and review by the FDA and other regulatory entities. The FDA, the EMA, or another regulatory agency may impose, as a condition of the approval, ongoing requirements for post-approval studies or post-approval obligations, including additional research and development and clinical trials, and the FDA, EMA or other regulatory agency subsequently may withdraw approval based on these additional trials or obligations.

Even for approved products, the FDA, EMA or other regulatory agency may impose significant restrictions on the indicated uses, conditions for use, labeling, advertising, promotion, marketing and production of such product. In addition, the labeling, packaging, adverse event reporting, storage, advertising, promotion and record-keeping for our products are subject to extensive regulatory requirements.

Furthermore, marketing approval of a product may be withdrawn by the FDA, the EMA or another regulatory agency or such product may be withdrawn voluntarily by our potential royalty providers based, for example, on subsequently arising safety concerns. The FDA, EMA and other agencies also may impose various civil or criminal sanctions for failure to comply with regulatory requirements, including withdrawal of product approval.

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Healthcare reform measures and other statutory or regulatory changes could adversely affect our business.*

The United States and some foreign jurisdictions have enacted or are considering a number of legislative and regulatory proposals to change the healthcare system in ways that could affect our potential royalty providers’ ability to sell products in which we have ownership or and royalty interests, if approved, profitably. Among policy makers and payors in the United States and elsewhere, there is significant interest in promoting changes in healthcare systems with the stated goals of containing healthcare costs, improving quality and expanding access. In the United States, the pharmaceutical industry has been a particular focus of these efforts and has been significantly affected by major legislative initiatives. Since January 2017, President Trump signed several executive orders and other directives designed to delay, circumvent, or loosen certain requirements mandated by ACA. Concurrently, Congress considered legislation that would repeal or repeal and replace all or part of ACA. While Congress has not passed comprehensive repeal legislation, several bills affecting the implementation of certain taxes under the ACA have been signed into law. The Tax Cuts and Jobs Act of 2017, or Tax Act, includes a provision repealing, effective January 1, 2019, the tax-based shared responsibility payment imposed by ACA on certain individuals who fail to maintain qualifying health coverage for all or part of a year that is commonly referred to as the “individual mandate”. In addition, the 2020 federal spending package permanently eliminated, effective January 1, 2020, the ACA-mandated “Cadillac” tax on high-cost employer-sponsored health coverage and medical device tax and, effective January l, 2021, also eliminated the health insurer tax. The Bipartisan Budget Act of 2018, or the BBA, among other things, amends the ACA, effective January 1, 2019, to increase from 50 percent to 70 percent the point-of-sale discount that is owed by pharmaceutical manufacturers who participate in Medicare Part D and close the coverage gap in most Medicare drug plans, commonly referred to as the “donut hole”. On, June 17, 2021, the U.S. Supreme Court dismissed a challenge on procedural grounds that argued the ACA is unconstitutional in its entirety because the “individual mandate” was repealed by Congress. Thus, the ACA will remain in effect in its current form. Further, prior to the U.S. Supreme Court ruling, President Biden issued an executive order that initiated a special enrollment period from February 15, 2021 through August 15, 2021 for purposes of obtaining health insurance coverage through the ACA marketplace. The executive order also instructed certain governmental agencies to review and reconsider their existing policies and rules that limit access to healthcare, including among others, reexamining Medicaid demonstration projects and waiver programs that include work requirements, and policies that create unnecessary barriers to obtaining access to health insurance coverage through Medicaid or the ACA. It is possible that the ACA will be subject to judicial or Congressional challenges in the future. It is unclear how other such challenges, and the healthcare reform measures will impact the ACA and our business.

Other legislative changes have also been proposed and adopted since the ACA was enacted. For example, the Budget Control Act of 2011 resulted in aggregate reductions in Medicare payments to providers of up to two percent per fiscal year, starting in 2013 and, due to subsequent legislative amendments to the statute, including the BBA, will remain in effect through 2030 unless additional Congressional action is taken. However, COVID-19 relief support legislation suspended the 2% Medicare sequester from May 1, 2020 through December 31, 2021. In addition, the American Taxpayer Relief Act of 2012, among other things, reduced Medicare payments to several types of providers and increased the statute of limitations period for the government to recover overpayments to providers from three to five years. Such laws, and others that may affect our business that have been recently enacted or may in the future be enacted, may result in additional reductions in Medicare and other healthcare funding.

Also, there has been heightened governmental scrutiny recently in the U.S. over pharmaceutical pricing practices in light of the rising cost of prescription drugs and biologics. Such scrutiny has resulted in several recent Congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to product pricing, review the relationship between pricing and manufacturer patient programs, and reform government program reimbursement methodologies for products. At the federal level, the Trump administration used several means to propose or implement drug pricing reform, including through federal budget proposals, executive orders and policy initiatives. For example, on July 24, 2020 and September 13, 2020, the Trump administration announced several executive orders related to prescription drug pricing that attempt to implement several of the administration’s proposals. The FDA also released a final rule, effective November 30, 2020, implementing a portion of the importation executive order providing guidance for states to build and submit importation plans for drugs from Canada. Further, on November 20, 2020, HHS finalized a regulation removing safe harbor protection for price reductions from pharmaceutical manufacturers to plan sponsors under Part D, either directly or through pharmacy benefit managers, unless the price reduction is required by law. The implementation of the rule has been delayed by the Biden administration from January 1, 2022 to January 1,

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2023 in response to ongoing litigation. The rule also creates a new safe harbor for price reductions reflected at the point-of-sale, as well as a new safe harbor for certain fixed fee arrangements between pharmacy benefit managers and manufacturers, the implementation of which have also been delayed pending review by the Biden administration until January 1, 2023. On November 20, 2020, CMS issued an interim final rule implementing President Trump’s Most Favored Nation executive order, which would tie Medicare Part B payments for certain physician-administered drugs to the lowest price paid in other economically advanced countries, effective January 1, 2021. On December 28, 2020, the United States District Court in Northern California issued a nationwide preliminary injunction against implementation of the interim final rule. On January 13, 2021, in a separate lawsuit brought by industry groups in the U.S. District of Maryland, the government defendants entered a joint motion to stay litigation on the condition that the government would not appeal the preliminary injunction granted in the U.S. District Court for the Northern District of California and that performance for any final regulation stemming from the MFN Model interim final rule shall not commence earlier than sixty (60) days after publication of that regulation in the Federal Register. However, it is unclear whether the Biden administration will work to reverse these measures or pursue similar policy initiatives. At the state level, legislatures have increasingly passed legislation and implemented regulations designed to control pharmaceutical and biological product pricing, including price or patient reimbursement constraints, discounts, and restrictions on certain product access. In some cases, such legislation and regulations have been designed to encourage importation from other countries and bulk purchasing.

An expansion in the government’s role in the U.S. healthcare industry may cause general downward pressure on the prices of prescription drug products, lower reimbursements for providers, and reduced product utilization, any of which could adversely affect our business and results of operations. Moreover, there has been heightened governmental scrutiny in the United States of pharmaceutical pricing practices in light of the rising cost of prescription drugs and biologics. Such scrutiny has resulted in several recent congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to product pricing, review the relationship between pricing and manufacturer patient programs, and reform government program reimbursement methodologies for products. We cannot know what form any such new legislation may take or the market’s perception of how such legislation would affect us. Any reduction in reimbursement from government programs may result in a similar reduction in payments from private payors. The implementation of cost containment measures or other healthcare reforms may prevent our potential royalty providers from being able to generate revenue, attain profitability, develop, or commercialize our current product candidates in which we have an ownership or royalty interest.

We and our potential milestone and royalty providers are subject to various state and federal healthcare-related laws and regulations that if violated may impact the commercialization of our product candidates for which we possess milestone or royalty rights or could subject us to significant fines and penalties.

Our operations may be directly or indirectly subject to various state and federal healthcare laws, including the federal Anti-Kickback Statute, the federal False Claims Act and state and federal data privacy and security laws. These laws may impact, among other things, the commercial operations for any of our product candidates that may be approved for commercial sale.

The federal Anti-Kickback Statute prohibits, among other things, persons and entities from knowingly and willfully soliciting, offering, receiving or providing any remuneration, directly or indirectly, in cash or in kind, in exchange for or to induce either the referral of an individual for, or the furnishing or arranging for the purchase, lease, or order of a good or service for which payment may be made under a federal healthcare program, such as the Medicare and Medicaid programs. The ACA modified the federal Anti-Kickback Statute’s intent requirement so that a person or entity no longer needs to have actual knowledge of the statute or the specific intent to violate it to have committed a violation. In addition, several courts have interpreted the statute’s intent requirement to mean that if any one purpose of an arrangement involving remuneration is to induce referrals of federal healthcare covered business, the statute has been violated. The Anti-Kickback Statute is broad and prohibits many arrangements and practices that are lawful in businesses outside of the healthcare industry.

The federal false claims laws, including the False Claims Act, and civil monetary penalties laws prohibit, among other things, persons and entities from knowingly filing, or causing to be filed, a false claim to, or the knowing use of false statements to obtain payment from the federal government. Certain suits filed under the False Claims Act, known as “qui tam” actions, can be brought by any individual on behalf of the government and such individual, commonly known as a

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“whistleblower” or “relator,” may share in any amounts paid by the entity to the government in fines or settlement. The filing of qui tam actions has caused a number of pharmaceutical, medical device and other healthcare companies to have to defend and/or settle a False Claims Act action.

The Federal Health Insurance Portability and Accountability Act of 1996 (“HIPAA”) created new federal criminal statutes that prohibit, among other things, executing a scheme to defraud any healthcare benefit program, including a private payor, or falsifying, concealing or covering up a material fact or making any materially false, fictitious or fraudulent statement in connection with the delivery of, or payment for, health care benefits, items or services.

HIPAA, as amended by the Health Information Technology and Clinical Health Act, and its implementing regulations, also imposes certain requirements relating to the privacy, security and transmission of individually identifiable health information by entities subject to the law, such as certain healthcare providers, health plans, and healthcare clearinghouses as well as their respective business associates that perform certain functions or activities that involve the use or disclosure of protected health information on their behalf.

Many states also have adopted laws similar to each of the federal laws described above, some of which apply to healthcare items or services reimbursed by any source, not only federal healthcare programs, such as the Medicare and Medicaid programs. In addition, some states have laws that require pharmaceutical companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the applicable compliance guidance promulgated by the federal government. Additionally, certain state and local laws require the registration of pharmaceutical sales representatives, restrict payments that may be made to healthcare providers and other potential referral sources, and require manufacturers to report information related to payments and other transfers of value to physicians and other healthcare providers. Further, some states have laws governing the privacy and security of health information in certain circumstances, many of which are not preempted by HIPAA and differ from each other in significant ways and may not have the same effect, thus complicating compliance efforts.

Because of the breadth of these laws, and the narrowness of the statutory exceptions and regulatory safe harbors available, it is possible that some of our or our potential milestone and royalty providers’ business activities could be subject to challenge under one or more of such laws.

If we or our potential milestone and royalty providers are found to be in violation of any of the laws and regulations described above or other applicable state and federal healthcare laws, we or our potential milestone and royalty providers may be subject to penalties, including significant civil, criminal, and administrative penalties, damages, fines, disgorgement, imprisonment, integrity oversight and reporting obligations, reputational harm, exclusion from government healthcare reimbursement programs and the curtailment or restructuring of our or our potential milestone and royalty providers’ operations, any of which could have a material adverse effect on our business and results of operations. In addition, we and our licensees may be subject to certain analogous foreign laws and violations of such laws could result in significant penalties.

We are subject to the U.S. Foreign Corrupt Practices Act and other anti-corruption laws, as well as export control laws, import and customs laws, trade and economic sanctions laws and other laws governing our operations. Our operations are subject to anti-corruption laws including the U.S. Foreign Corrupt Practices Act of 1977, as amended the (“FCPA”), the U.S. domestic bribery statute contained in 18 U.S.C. §201, the U.S. Travel Act, and other anti-corruption laws that apply in countries where we do business. The FCPA and these other laws generally prohibit us and our employees and intermediaries from authorizing, promising, offering, or providing, directly or indirectly, improper or prohibited payments, or anything else of value, to government officials or other persons to obtain or retain business or gain some other business advantage. We and the royalty agreement counterparties and licensees who generate our royalties operate in a number of jurisdictions that pose a high risk of potential FCPA violations, and we participate in collaborations and relationships with third parties whose corrupt or illegal activities could potentially subject us to liability under the FCPA or local anti-corruption laws, even if we do not explicitly authorize or have actual knowledge of such activities. In addition, we cannot predict the nature, scope or effect of future regulatory requirements to which our international operations might be subject

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or the manner in which existing laws might be administered or interpreted. We are also subject to other laws and regulations governing our international operations, including regulations administered by the governments of the United States and authorities in the European Union, including applicable export control regulations, economic sanctions and embargoes on certain countries and persons, anti-money laundering laws, import and customs requirements and currency exchange regulations, collectively referred to as the Trade Control laws. There is no assurance that we will be completely effective in ensuring our compliance with all applicable anti-corruption laws, including the FCPA or other legal requirements, including Trade Control laws. If we are not in compliance with the FCPA and other anticorruption laws or Trade Control laws, we may be subject to criminal and civil penalties, disgorgement and other sanctions and remedial measures, and legal expenses, which could have an adverse impact on our business, financial condition, results of operations and liquidity. Likewise, any investigation of any potential violations of the FCPA, other anti-corruption laws or Trade Control laws by the United States or other authorities could also have an adverse impact on our reputation, our business, financial condition and results of operations. Efforts to ensure that our business arrangements with third parties will comply with applicable healthcare laws and regulations will involve substantial costs. Because of the breadth of these laws and the narrowness of the statutory exceptions and safe harbors available, it is possible that some of our business activities or our business arrangements with third parties could be subject to challenge under one or more of such laws. It is possible that governmental authorities will conclude that our business practices or the business practices of the royalty agreement counterparties and licensees who generate our royalties may not comply with current or future statutes, regulations or case law involving applicable fraud and abuse or other healthcare laws and regulations. If our operations or the operations of the royalty agreement counterparties and licensees who generate our royalties are found to be in violation of any of these laws or any other governmental regulations, we or the royalty agreement counterparties and licensees who generate our may be subject to significant criminal, civil and administrative sanctions, including monetary penalties, damages, fines, disgorgement, individual imprisonment and exclusion from participation in government-funded healthcare programs, such as Medicare and Medicaid, additional reporting requirements and oversight if we or the royalty agreement counterparties and licensees who generate our royalties become subject to a corporate integrity agreement or similar agreement to resolve allegations of non-compliance with these laws, reputational harm, and we or marketers of products that generate our royalties may be required to curtail or restructure operations, any of which could adversely affect our ability to operate our business and our results of operations. The risk of our being found in violation of these laws is increased by the fact that many of them have not been fully interpreted by the regulatory authorities or the courts, and their provisions are open to a variety of interpretations. Any action against us for violation of these laws, even if we successfully defend against it, could cause us to incur significant legal expenses and divert our management’s attention from the operation of our business. The shifting compliance environment and the need to build and maintain robust and expandable systems to comply with multiple jurisdictions with different compliance and/or reporting requirements increases the possibility that a healthcare company may run afoul of one or more of the requirements.

As we or our potential milestone and royalty providers do more business internationally, we will be subject to additional political, economic and regulatory uncertainties.

We or our potential milestone and royalty providers may not be able to operate successfully in any foreign market. We believe that because the pharmaceutical industry is global in nature, international activities will be a significant part of future business activities and when and if we or our potential milestone and royalty providers are able to generate income, a substantial portion of that income will be derived from product sales and other activities outside the United States. Foreign regulatory agencies often establish standards different from those in the United States, and an inability to obtain foreign regulatory approvals on a timely basis could put us at a competitive disadvantage or make it uneconomical to proceed with a product or product candidate’s development. International sales may be limited or disrupted by many factors, including without limitation:

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imposition of government controls;

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export license requirements;

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political or economic instability;

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trade restrictions;

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changes in tariffs;

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restrictions on repatriating profits;

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exchange rate fluctuations; and

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withholding and other taxation.

General Risk Factors

Our share price may be volatile, and there may not be an active trading market for our common stock, Series A Preferred Stock or our Series B Preferred Stock.*

There can be no assurance that the market price of our common stock will not decline below its present market price. Additionally, there may not be an active trading market for our common stock, Series A Preferred Stock or depositary shares representing interests in our Series B Preferred Stock. The market prices of biotechnology companies have been and are likely to continue to be highly volatile. Fluctuations in our operating results and general market conditions for biotechnology stocks could have a significant impact on the volatility of our stock price or the existence of an active trading market for our common stock, Series A Preferred Stock or depositary shares representing interests in our Series B Preferred Stock. We have experienced significant volatility in the price of our common stock. From January 1, 2021, through August 2, 2021, the share price of our common stock has ranged from a high of $44.50 to a low of $28.11. From January 1, 2021, through August 2, 2021, the share price of our Series A Preferred Stock has ranged from a high of $27.57 to a low of $24.88. From April 12, 2021, through August 2, 2021, the share price of our Series B Preferred Stock has ranged from a high of $25.32 to a low of $24.05. Additionally, we have two significant holders of our common stock that could affect the liquidity of our stock and have a significant negative impact on our stock price if the holders were to quickly sell their ownership positions.

Our results of operations and liquidity needs could be materially negatively affected by market fluctuations or an economic downturn.

Our results of operations could be materially negatively affected by economic conditions generally, both in the United States and elsewhere around the world. Concerns over inflation, energy costs, geopolitical issues, the availability and cost of credit, and the U.S. financial markets have in the past contributed to, and may continue in the future contribute to, increased volatility and diminished expectations for the economy and the markets. Domestic and international equity markets periodically experience heightened volatility and turmoil. These events may have an adverse effect on us. In the event of a market downturn, our results of operations could be adversely affected by those factors in many ways, including making it more difficult for us to raise funds if necessary, and our stock price may decline.

We have issued equity securities, and may issue additional equity securities from time to time, that materially and adversely affect the price of our common stock, including our Series X preferred stock, Series A Preferred Stock and depositary shares representing interests in our Series B Preferred Stock.*

We expect that significant additional capital will be needed in the future to continue our planned operations. To the extent we raise additional capital by issuing equity securities, our stockholders may experience substantial dilution. We may sell common stock, convertible securities or other equity securities in one or more transactions at prices and in such a manner as we determine from time to time, including pursuant to our 2018 ATM Agreement, as amended. If we sell common stock, convertible securities or other equity securities in more than one transaction, investors may be materially diluted by subsequent sales. These sales may also result in material dilution to our existing stockholders, and new investors could gain rights superior to our existing stockholders. If we issue additional equity securities, the price of our common stock may be materially and adversely affected.

As of June 30, 2021, there were 5,003 shares of Series X preferred stock issued and outstanding. Each share of Series X preferred stock is convertible into 1,000 shares of registered common stock. The total number of shares of common stock issuable upon conversion of all issued Series X preferred stock would be 5,003,000 shares. Each share is

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convertible at the option of the holder at any time, provided that the holder will be prohibited from converting into common stock if, as a result of such conversion, the holder, together with its affiliates, would beneficially own a number of shares above a conversion blocker, which was initially set at 19.99% of our total common stock then issued and outstanding immediately following the conversion of such shares. A holder of Series X preferred shares may elect to increase or decrease the conversion blocker above or below 19.99% on 61 days’ notice, provided the conversion blocker does not exceed the limits under Nasdaq Marketplace Rule 5635(b), to the extent then applicable. If holders of our Series X convertible preferred stock elect to convert their preferred shares into common stock such conversion would dilute our currently outstanding common stock both in number and in earnings per share. BVF (and its affiliates), as current holders of all shares of our Series X preferred stock, would, if they converted all such shares to common stock, obtain majority voting control of the Company. In February 2020, Biotechnology Value Fund, L.P. (“BVF”), the holders of Series Y convertible preferred shares, elected to increase the beneficial ownership limitation to 50% and on April 15, 2020, BVF converted all of their shares of Series Y preferred stock into 1,252,772 shares of common stock. As of June 30, 2021, BVF owned approximately 31.2% of our total outstanding shares of common stock, and if all of the Series X convertible preferred shares were converted, BVF would own 52.3% of our total outstanding shares of common stock. Additionally, as of April 9, 2021, we had issued and outstanding 984,000 shares of Series A Preferred Stock and 1,600,000 depositary shares, each representing a 1/1000^th fractional interest in a share of our Series B Preferred Stock.

In addition, funding from collaboration partners and others has in the past and may in the future involve issuance by us of our common stock. We cannot be certain how the purchase price of such shares, the relevant market price or premium, if any, will be determined or when such determinations will be made.

Any issuance by us of equity securities, whether through an underwritten public offering, an at the market offering, a private placement, in connection with a collaboration or otherwise could result in dilution in the value of our issued and outstanding shares, and a decrease in the trading price of our common stock.

We may sell additional equity or debt securities to fund our operations, which may result in dilution to our stockholders and impose restrictions on our business.*

In order to raise additional funds to support our operations, we may sell additional equity or convertible debt securities, which would result in dilution to our stockholders and/or debt securities which may impose restrictive covenants that would adversely impact our business. The sale of additional equity or convertible debt securities could result in additional dilution or result in other rights or obligations that adversely affect our stockholders. For example, holders of shares of our Series A Preferred Stock are entitled to receive, when and as declared by our Board of Directors, out of funds legally available for the payment of dividends, cumulative cash dividends at the rate of 8.625% of the $25.00 liquidation preference per year (equivalent to $2.15625 per year). Additionally, holders of depositary shares representing interests in our Series B Preferred Stock are entitled to receive, when and as declared by our Board of Directors, out of funds legally available for the payment of dividends, cumulative cash dividends at the rate of 8.375% of the $25,000 liquidation preference per share of Series B Preferred Stock ($25.00 per depositary share) per year (equivalent to $2,093.75 per year or $2.09375 per depositary share). The incurrence of indebtedness would result in increased fixed payment obligations and could also result in certain restrictive covenants, such as limitations on our ability to incur additional debt, limitations on our ability to acquire, sell or license intellectual property rights and other operating restrictions that could adversely impact our ability to conduct our business. If we are unable to expand our operations or otherwise capitalize on our business opportunities, our business, financial condition and results of operations could be materially adversely affected.

Our organizational documents contain provisions that may prevent transactions that could be beneficial to our stockholders and may insulate our management from removal.

Our charter and by-laws:

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require certain procedures to be followed and time periods to be met for any stockholder to propose matters to be considered at annual meetings of stockholders, including nominating directors for election at those meetings; and

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authorize our Board of Directors to issue up to 1,000,000 shares of preferred stock without stockholder approval and to set the rights, preferences and other designations, including voting rights, of those shares as the Board of Directors may determine.

In addition, we are subject to the provisions of Section 203 of the Delaware General Corporation Law (the “DGCL”), that may prohibit large stockholders, in particular those owning 15% or more of our outstanding common stock, from merging or combining with us.

These provisions of our organizational documents and the DGCL, alone or in combination with each other, may discourage transactions involving actual or potential changes of control, including transactions that otherwise could involve payment of a premium over prevailing market prices to holders of common stock, could limit the ability of stockholders to approve transactions that they may deem to be in their best interests, and could make it considerably more difficult for a potential acquirer to replace management.

As a public company in the United States, we are subject to the Sarbanes-Oxley Act. We have determined our disclosure controls and procedures and our internal control over financial reporting are effective. We can provide no assurance that we will, at all times, in the future be able to report that our internal controls over financial reporting are effective.

Companies that file reports with the SEC, including us, are subject to the requirements of Section 404 of the Sarbanes-Oxley Act of 2002 (“SOX”). Section 404 requires management to establish and maintain a system of internal control over financial reporting, and annual reports on Form 10-K filed under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), must contain a report from management assessing the effectiveness of our internal control over financial reporting. Ensuring we have adequate internal financial and accounting controls and procedures in place to produce accurate financial statements on a timely basis is a time-consuming effort that needs to be re-evaluated frequently. Failure on our part to have effective internal financial and accounting controls would cause our financial reporting to be unreliable, could have a material adverse effect on our business, operating results, and financial condition, and could cause the trading price of our common stock to fall.

Our ability to use our net operating loss carry-forwards and other tax attributes will be substantially limited by Section 382 of the U.S. Internal Revenue Code.

Under the federal income tax law, federal net operating losses incurred in 2018 and in future years may be carried forward indefinitely, but the deductibility of such federal net operating losses is limited. It is uncertain if and to what extent various states will conform to the federal tax law. In addition, Section 382 of the U.S. Internal Revenue Code of 1986, as amended, and corresponding provisions of state law, generally limit the ability of a corporation that undergoes an “ownership change” to utilize its net operating loss carry-forwards (“NOLs”) and certain other tax attributes against any taxable income in taxable periods after the ownership change. The amount of taxable income in each taxable year after the ownership change that may be offset by pre-change NOLs and certain other pre-change tax attributes is generally equal to the product of (a) the fair market value of the corporation’s outstanding shares (or, in the case of a foreign corporation, the fair market value of items treated as connected with the conduct of a trade or business in the United States) immediately prior to the ownership change and (b) the long-term tax exempt rate (i.e., a rate of interest established by the U.S. Internal Revenue Service that fluctuates from month to month). In general, an “ownership change” occurs whenever the percentage of the shares of a corporation owned, directly or indirectly, by “5-percent shareholders” (within the meaning of Section 382 of the Internal Revenue Code) increases by more than 50 percentage points over the lowest percentage of the shares of such corporation owned, directly or indirectly, by such “5-percent shareholders” at any time over the preceding three years.

Based on an analysis under Section 382 of the Internal Revenue Code (which subjects the amount of pre-change NOLs and certain other pre-change tax attributes that can be utilized to an annual limitation), we experienced ownership changes in 2009 and 2012, which substantially limit the future use of our pre-change NOLs and certain other pre-change tax attributes per year. In February 2017, we completed an equity financing for net proceeds of $24.8 million which triggered an additional ownership change under Section 382 that significantly impacted the availability of our tax attributes against future income. Further, due to the existence of a net unrealized built-in loss at the ownership change date, Section 382 further limits our ability to fully utilize the tax deductions associated with certain of our assets, including depreciation and amortization deductions recognized during the 60-month period following the ownership change ending

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in 2022. Although these deductions will occur in the post-change period, Section 382 treats the deductions as pre-change losses subject to the annual 382 limitation. As of June 30, 2021, we have excluded the NOLs and research and development credits that will expire as a result of the annual limitations. To the extent that we do not utilize our carry-forwards within the applicable statutory carry-forward periods, either because of Section 382 limitations or the lack of sufficient taxable income, the carry-forwards will also expire unused.

The 2017 tax reform law, as modified by 2020 tax legislation, and possible future changes in tax laws or regulations could adversely affect our business and financial condition.

On December 22, 2017, President Trump signed into law comprehensive tax legislation (the “Tax Cuts and Jobs Act”) that significantly revised the Internal Revenue Code of 1986, as amended (the “Code”). Future guidance from the U.S. Internal Revenue Service and other tax authorities with respect to the Tax Cuts and Jobs Act may affect us, and certain aspects of the Tax Cuts and Jobs Act could be repealed or modified in future legislation. For example, on March 27, 2020, the CARES Act was enacted, which includes changes to the tax provisions that benefit business entities and makes certain technical corrections to the Tax Cuts and Jobs Act. On June 29, 2020, California Assembly Bill 85 (AB 85) was signed into law, which suspends the use of California net operating losses and limits the use of California research tax credits for tax years beginning in 2020 and before 2023. Changes in corporate tax rates, the realization of net deferred tax assets relating to our U.S. operations, the taxation of foreign earnings, and the deductibility of expenses under the Tax Cuts and Jobs Act, the CARES Act, or future tax reform legislation could have a material impact on the value of our deferred tax assets, could result in significant one-time charges in the current or future taxable years, and could increase our future U.S. tax expense. The foregoing items, as well as any other future changes in tax laws, could have a material adverse effect on our business, cash flow, financial condition, or results of operations. In addition, it is uncertain if and to what extent various states will conform to the Tax Cuts and Jobs Act, the CARES Act, or any newly enacted federal tax legislation.

Stockholder and private lawsuits, and potential similar or related lawsuits, could result in substantial damages, divert management’s time and attention from our business, and have a material adverse effect on our business, financial condition and results of operations.

Securities-related class action and stockholder derivative litigation has often been brought against companies, including many biotechnology companies, which experience volatility in the market price of their securities. This risk is especially relevant for us because biotechnology and biopharmaceutical companies often experience significant stock price volatility in connection with their product development programs.

It is possible that suits will be filed, or allegations received from stockholders, naming us and/or our officers and directors as defendants. These potential lawsuits are subject to inherent uncertainties, and the actual defense and disposition costs will depend upon many unknown factors. The outcome of these lawsuits is uncertain. We could be forced to expend significant time and resources in the defense of these suits, and we may not prevail. In addition, we may incur substantial legal fees and costs in connection with these lawsuits. Although we carry insurance to protect us from such claims, our insurance may not provide adequate coverage. It is possible that we could, in the future, incur judgments or enter into settlements of claims for monetary damages. A decision adverse to our interests on these actions could result in the payment of substantial damages, or possibly fines, and could have a material adverse effect on our cash flow, results of operations and financial position.

Monitoring, initiating and defending against legal actions, including any currently pending litigation, are time-consuming for our management, are likely to be expensive and may detract from our ability to fully focus our internal resources on our business activities. The outcome of litigation is always uncertain, and in some cases could include judgments against us that require us to pay damages, enjoin us from certain activities, or otherwise affect our legal or contractual rights, which could have a significant adverse effect on our business. In addition, the inherent uncertainty of any future litigation could lead to increased volatility in our stock price and a decrease in the value of an investment in our common stock.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

None.

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ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

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ITEM 6. EXHIBITS

		Incorporation By Reference
Exhibit Number	Exhibit Description	Form	SEC File No.	Exhibit	Filing Date

3.1	Certificate of Incorporation of XOMA Corporation	8-K	000-14710	3.1	01/03/2012

3.2	Certificate of Amendment of Certificate of Incorporation of XOMA Corporation	8-K	000-14710	3.1	05/31/2012

3.3	Certificate of Amendment of Amended Certificate of Incorporation of XOMA Corporation	8-K	000-14710	3.1	05/28/2014

3.4	Certificate of Amendment to the Amended Certificate of Incorporation of XOMA Corporation	8-K	000-14710	3.1	10/18/2016

3.5	Certificate of Designation of Preferences, Rights and Limitations of Series X Convertible Preferred Stock	8-K	000-14710	3.1	02/16/2017

3.6	Certificate of Designation of Preferences, Rights and Limitations of 8.625% Series A Cumulative Perpetual Preferred Stock	8-K	000-14710	3.1	12/11/2020

3.7	Certificate of Designation of Preferences, Rights and Limitations of 8.375% Series B Cumulative Perpetual Preferred Stock	8-K	000-39801	3.1	04/08/2021

3.8⁺	Certificate of Correction of the Certificate of Designation of 8.375% Series B Cumulative Perpetual Preferred Stock dated June 9, 2021

3.9	By-laws of XOMA Corporation	8-K	000-14710	3.2	01/03/2012

4.1	Reference is made to Exhibits 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8 and 3.9

4.2	Specimen of Common Stock Certificate	8-K	000-14710	4.1	01/03/2012

4.3	Deposit Agreement, dated effective April 9, 2021, by and among XOMA Corporation, American Stock Transfer & Trust Company, LLC, as depositary, and the holders of the depositary receipts issued thereunder	8-K	000-39801	4.1	04/08/2021

4.4	Form of Warrant (May 2018 Warrant)	10-Q	000-14710	4.6	08/07/2018

4.5	Form of Warrant (March 2019 Warrant)	10-Q	000-14710	4.7	05/06/2019

10.1⁺^#	Settlement and Release Agreement, dated April 15, 2021, by and among XOMA (US) LLC and Affimed N.V., Affimed GmbH Affimed

31.1⁺	Certification of Chief Executive Officer, as required by Rule 13a-14(a) or Rule 15d-14(a)

31.2⁺	Certification of Chief Financial Officer, as required by Rule 13a-14(a) or Rule 15d-14(a)

32.1⁺	Certification of Chief Executive Officer and Chief Financial Officer, as required by Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. §1350)⁽¹⁾

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		Incorporation By Reference
Exhibit Number	Exhibit Description	Form	SEC File No.	Exhibit	Filing Date


101.INS⁺	Inline XBRL Instance Document

101.SCH⁺	Inline XBRL Schema Document

101.CAL⁺	Inline XBRL Calculation Linkbase Document

101.DEF⁺	Inline XBRL Definition Linkbase Document

101.LAB⁺	Inline XBRL Labels Linkbase Document

101.PRE⁺	Inline XBRL Presentation Linkbase Document

104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

+	Filed herewith

#	Portions of this exhibit (indicated by asterisks) have been omitted as the Registrant has determined that (i) the omitted information is not material and (ii) the omitted material is of the type that the Registrant treats as private or confidential.

(1)

This certification accompanies the Form 10-Q to which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of the Registrant under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form 10-Q), irrespective of any general incorporation language contained in such filing.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.


	XOMA Corporation

Date: August 5, 2021	By:	/s/ JAMES R. NEAL
		James R. Neal Chief Executive Officer (principal executive officer) and Director

Date: August 5, 2021	By:	/s/ THOMAS BURNS
		Thomas Burns Senior Vice President, Finance and Chief Financial Officer (principal financial and principal accounting officer)

Six Months Ended June 30,

Cash paid for amounts included in the measurement of lease liabilities

Operating cash flows under operating leases