Acquisitions, Licensing and Other Arrangements |
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Acquisitions, Licensing and Other Arrangements |
4. Acquisitions, Licensing, and Other Arrangements Kinnate Acquisition On February 16, 2024, the Company entered into the Kinnate Merger Agreement, pursuant to which the Company acquired Kinnate through a tender offer for (i) $2.5879 in cash per share of Kinnate common stock, plus (ii) one non-transferable contractual CVR per share of Kinnate common stock. The merger closed on April 3, 2024 (the “Kinnate Merger Closing Date”), and XRA merged with and into Kinnate. Following the merger, Kinnate continued as the surviving entity in the merger and a wholly-owned subsidiary of the Company. Each Kinnate CVR represents the right to receive potential payments pursuant to the terms and subject to the conditions of the Kinnate CVR Agreement. Prior to the Kinnate Merger Closing Date, on February 27, 2024, Kinnate sold one of its lead clinical drug candidates, exarafenib and related IP to Pierre Fabre for an upfront cash consideration of $0.5 million and contingent consideration of $30.5 million upon the achievement of a certain specified milestone (the “Exarafenib Sale”). Kinnate CVR holders are entitled to 100% of the proceeds of the $30.5 million contingent consideration from the Exarafenib Sale less any deductible expenses, if any, until the fifth anniversary of the Kinnate Merger Closing Date, together with 85% of net proceeds, if any, from any license or other disposition of any or all rights to any product, product candidate or research program active at Kinnate as of the closing that occurs within one year of the Kinnate Merger Closing Date, in each case subject to and in accordance with the terms of the Kinnate CVR Agreement. Under the Kinnate CVR Agreement, the Company is responsible for the collection and disbursement of any proceeds that Kinnate CVR holders could be entitled to Broadridge, the Kinnate CVR holders’ rights agent. As part of the Kinnate Merger Agreement, XOMA acquired an IPR&D asset related to KIN-3248, a Fibroblast Growth Factor Receptors inhibitor, designed for the treatment of patients with intrahepatic cholangiocarcinoma, and urothelial carcinoma, as well as certain other solid tumors; the molecule is currently in a Phase 1 clinical study. Additionally, XOMA acquired pre-clinical intangible assets related to IP for the following: (i) KIN-8741, a highly selective c-MET inhibitor with broad mutational coverage, including acquired resistance mutations, in certain solid tumors driven by exon 14-altered and/or amplified c-MET; (ii) KIN-7136, a brain-penetrant MEK inhibitor; and (iii) CDK4, a potential brain-penetrant, selective CDK4 inhibitor. As of April 3, 2024, the Company concluded that the potential milestone from the Exarafenib Sale payable from Pierre Fabre to the Company of $30.5 million (the Exarafenib milestone asset) did not meet the definition of a derivative under ASC 815. The Exarafenib milestone asset met the definition of a financial asset and the Company elected to apply the fair value option in accordance with ASC 825 and recorded an initial estimated fair value of $2.9 million for the Exarafenib milestone asset (Note 6). Subsequent changes in the estimated fair value of the Exarafenib milestone asset, if any, are expected to be recorded in the condensed consolidated statements of operations. As of April 3, 2024, the Company concluded that the potential milestone from the Exarafenib Sale of $30.5 million payable by the Company to the Kinnate CVR holders (the Exarafenib milestone contingent consideration) met the definition of a derivative under ASC 815 and the Company recorded an initial estimated fair value of $2.9 million for the Exarafenib milestone contingent consideration (Note 6). Subsequent changes in the estimated fair value of the Exarafenib milestone contingent consideration, if any, are expected to be recorded in the condensed consolidated statements of operations. Contingent consideration related to the IPR&D asset for KIN-3248 and pre-clinical intangible assets for KIN-8741, KIN-7136, and CDK4 could be payable if the Company licenses or otherwise disposes of any or all rights to any product, product candidate or research program active at Kinnate as of the Kinnate Merger Closing Date within one year of the Kinnate Merger Closing Date. Any contingent consideration related to KIN-3248 is expected to be expensed as incurred. The Company concluded that any contingent consideration related to KIN-8741, KIN-7136, and CDK4 did not meet the definition of a derivative under ASC 815, and as such, the Company expects to recognize any related contingent consideration when probable and estimable. In August 2021, Kinnate entered into an agreement to lease office space located in San Francisco, California. The lease commenced in January 2022 and expires on June 30, 2026. In February 2024, Kinnate entered into a lease assignment agreement with an assignee to assign the remainder of the lease commitment for the leased office space. Kinnate remained liable for lease payments should the assignee default, however Kinnate was not liable for the property taxes, insurance, and common area maintenance. As part of the Kinnate Merger Agreement, the Company acquired both the lease agreement and the related lease assignment agreement. As of April 3, 2024, the Company concluded that the leased office space in San Francisco should be accounted for as an acquired lease and, in accordance with ASC 805, the Company retained the historical operating lease classification for the lease. In accordance with ASC 842, the Company accounted for the lease as if it had commenced on the Kinnate Merger Closing Date. The Company recognized operating lease liabilities of $0.8 million as of April 3, 2024. As of April 3, 2024, the Company concluded that the lease assignment agreement should be accounted for as a sublease in accordance with ASC 842. As the assignee makes lease payments, the Company expects to record sublease income in the other income (expense), net line item in its condensed consolidated statement of operations. The total purchase consideration for Kinnate, as of April 3, 2024, was as follows (in thousands):
(1)The closing cash payment was determined based on a total of 47,232,737 shares of Kinnate common stock tendered at closing, at a per share price of $2.5879, and the settlement of Kinnate RSUs and stock options under the Kinnate equity incentive plans (2,510,552 total underlying shares at a per share price of $2.5879), less the exercise price for the stock options.
(2)The fair value of the Exarafenib milestone contingent consideration was estimated using a probability-weighted discounted cash flow model for the amounts payable to Kinnate CVR holders under the Kinnate CVR Agreement upon the achievement of certain specified milestones associated with the Exarafenib Sale.
The Kinnate acquisition was accounted for as an asset acquisition under ASC 805 as the assets did not satisfy the definition of a “business” under ASC 805. As such, the Company recognized the acquired assets and liabilities based on the total purchase consideration, on a relative fair value basis, after allocating the excess of the fair value of net assets acquired to certain qualifying assets (principally, the acquired IPR&D asset, intangible assets, and the right-of-use asset). On a relative fair value basis, the fair value of the , , and the right-of-use asset were reduced to zero. As the fair value of net assets exceeded the total purchase consideration, a bargain purchase gain was recognized on the acquisition of Kinnate in the condensed consolidated statements of operations for the nine months ended September 30, 2024.The following table shows the allocation of the purchase consideration based on the relative fair value of assets acquired and liabilities assumed by the Company as of April 3, 2024 (in thousands):
Subsequent to the acquisition, the Company incurred $3.6 million in severance charges related to the acquisition which was included in G&A expense in the condensed consolidated statement of operations for the nine months ended September 30, 2024. As of September 30, 2024, the Company had fully paid the $3.6 million related to these severance charges. Unaudited pro forma net loss was $9.9 million and $25.1 million for the nine months ended September 30, 2024 and year ended December 31, 2023, respectively. There was no adjustment to the unaudited pro forma total income and revenues for the nine months ended September 30, 2024 and year ended December 31, 2023 as Kinnate had no historical sales through December 31, 2023. The unaudited pro forma financial information has been prepared from historical financial statements that have been adjusted to give effect to the acquisition of Kinnate as though it had occurred on January 1, 2023. They include adjustments for severance expense and gain on the acquisition of Kinnate. The unaudited pro forma financial information is not intended to reflect the actual results of operations that would have occurred if the acquisition had occurred on January 1, 2023, nor is it indicative of future operating results. Takeda On November 1, 2006, the Company entered into the Takeda Collaboration Agreement with Takeda 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 an aggregate of up to $19.0 million relating to TAK-079 (mezagitamab) and 4% royalties on future sales of all products subject to this license. The Company’s right to receive 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 receive 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 receive 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 receive 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. In August 2021, Molecular Templates, Inc., assumed full rights to TAK-169 from Takeda, including full control of TAK-169 clinical development, per the terms of its terminated collaboration agreement with Takeda. The Company has received $3.0 million of milestone payments since the inception of the agreement and is eligible to receive additional milestone payments of up to $16.0 million under the Takeda Collaboration Agreement. As of September 30, 2024 and December 31, 2023, there were no contract assets or contract liabilities related to this arrangement and none of the costs to obtain or fulfill the contract were capitalized. The Company did not recognize any revenue related to this arrangement during the three and nine months ended September 30, 2024 and 2023. 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 RZ358 (previously known as “X358”) products for all indications. In addition, the Company entered into a common stock purchase agreement with Rezolute 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 in connection with any future equity 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 an aggregate of $232.0 million based on the achievement of pre-specified criteria. Under the license agreement, the Company is also eligible to receive royalties ranging from the high single-digits to the mid-teens based upon annual net sales of any commercial product incorporating RZ358. The Company concluded that the development and regulatory milestone payments are solely dependent on Rezolute’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 Rezolute 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. Rezolute’s obligation to pay royalties with respect to a particular RZ358 product and country will continue for the later of the date of expiration of the last valid patent claim covering the product in each country, or 12 years from the date of the first commercial sale of the product in each country. Rezolute’s future royalty obligations in the U.S. will be reduced by 20% if the manufacture, use or sale of a licensed product is not covered by a valid patent claim, until such a claim is confirmed. 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, including RZ402 which has completed a Phase 2 clinical study. Rezolute’s obligation to pay royalties with respect to a particular Rezolute product and country will continue for the longer of 12 years from the date of the first commercial sale of the product in each country or for so long as Rezolute or its licensee is selling such product in any 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 each 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. To the extent permitted by applicable laws, 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 any future equity 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 equity financing activities and $8.5 million in installment payments through October 2020. The Company also received 161,861 shares of Rezolute’s common stock (as adjusted for the :50 reverse stock split in October 2020).In January 2022, Rezolute dosed the last patient in its Phase 2b clinical trial for RZ358, which triggered a $2.0 million milestone payment due to the Company pursuant to the Rezolute License Agreement, as amended. In April 2024, Rezolute dosed the first patient in its Phase 3 trial of RZ358 and the Company earned a $5.0 million milestone pursuant to the Rezolute License Agreement, as amended. As of September 30, 2024 and December 31, 2023, 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 zero and $5.0 million in revenue from contracts with customers related to this arrangement during the three and nine months ended September 30, 2024. The Company did not recognize any revenue related to this arrangement during the three and nine months ended September 30, 2023. Janssen In August 2019, the Company entered into an agreement with Janssen pursuant to which the Company granted a non-exclusive license to Janssen to develop and commercialize certain product candidates, including XOMA’s patents and know-how. Under the agreement, Janssen made a one-time payment of $2.5 million to XOMA. Additionally, for each product 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 milestones. Additional milestone payments may be due for product candidates which are the subject of multiple clinical trials. Upon commercialization, the Company is eligible to receive a 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 agreement will remain in effect unless terminated by mutual written agreement. The Company concluded that the 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 recognized the entire one-time payment of $2.5 million as revenue 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. As of September 30, 2024 and December 31, 2023, 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 did not recognize any revenue related to this arrangement during the three and nine months ended September 30, 2024. The Company recognized $0.2 million and $1.3 million in revenue from contracts with customers related to this arrangement during the three and nine months ended September 30, 2023. Novartis – Anti-TGFβ Antibody (NIS793) On September 30, 2015, the Company and Novartis entered into the Anti-TGFβ Antibody License Agreement under which the Company granted Novartis an exclusive, world-wide, royalty-bearing license to the Company’s anti-transforming growth factor beta (“TGFβ”) antibody program (now “NIS793”). Under the terms of the Anti-TGFβ Antibody License Agreement, Novartis 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’ royalty obligations end. The Anti-TGFβ Antibody License Agreement contains customary termination rights relating to material breach by either party. Novartis 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 upon 180 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 was 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 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. The Company concluded that the development and regulatory milestone payments are solely dependent on Novartis’ 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. 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. 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’ 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. In August 2023, Novartis communicated to the Company its intent to discontinue development activities related to NIS793. As of September 30, 2024 and December 31, 2023, 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 did not recognize any revenue related to this arrangement during the three and nine months ended September 30, 2024 and 2023. Novartis – Anti-IL-1β Antibody (VPM087) On August 24, 2017, the Company and Novartis entered into 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. Under the terms of the Gevokizumab License Agreement, Novartis is solely responsible for the development and commercialization of VPM087 and products containing VPM087. 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, on behalf of the Company, to settle the Company’s outstanding debt with Les Laboratories Servier (the “Servier Loan”). In addition, Novartis 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 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 September 30, 2024 and December 31, 2023, 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 did not recognize any revenue related to this arrangement during the three and nine months ended September 30, 2024 and 2023. 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) 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 the units-of-revenue method over the life of the license agreements because of the Company’s limited continuing involvement in the Royalty Sale 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 the 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 “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 Royalty Sale 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 $0.7 million and $1.8 million in revenue under the units-of-revenue method under these arrangements during the three and nine months ended September 30, 2024, respectively. The Company recognized $0.6 million and $1.6 million in revenue under the units-of-revenue method under these arrangements during the three and nine months ended September 30, 2023, respectively. As of September 30, 2024, the current and non-current portions of the remaining unearned revenue recognized under the units-of-revenue method was $1.9 million and $5.6 million, respectively. As of December 31, 2023, the Company classified $2.1 million and $7.2 million as current and non-current unearned revenue recognized under the units-of-revenue method, respectively. |