XOMA Corp false 0000791908 0000791908 2024-05-30 2024-05-30 0000791908 us-gaap:CommonStockMember 2024-05-30 2024-05-30 0000791908 us-gaap:SeriesAPreferredStockMember 2024-05-30 2024-05-30 0000791908 us-gaap:SeriesBPreferredStockMember 2024-05-30 2024-05-30





Washington, D.C. 20549







Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event Reported): May 30, 2024




(Exact Name of Registrant as Specified in Charter)




Delaware   001-39801   52-2154066
(State or Other Jurisdiction
of Incorporation)
File Number)
  (I.R.S. Employer
Identification Number)

2200 Powell Street, Suite 310, Emeryville, California 94608

(Address of Principal Executive Offices) (Zip Code)

(510) 204-7200

(Registrant’s telephone number, including area code)

(Former name or former address, if changed since last report)



Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)


Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))


Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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


Title of each class:





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 per share   XOMAP   The Nasdaq Global Market
Depositary Shares (each representing 1/1000th interest in a share of 8.375% Series B Cumulative Perpetual Preferred Stock, par value $0.05 per share)   XOMAO   The Nasdaq Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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. ☐




Item 8.01

Other Events.

On May 30, 2024, Day One Biopharmaceuticals announced the sale of a priority review voucher (the “PRV”) for $108 million. The PRV was awarded to Day One following approval by the U.S. Food and Drug Administration of OJEMDA (tovorafenib). As previously disclosed, in March 2021, XOMA Corporation (the “Company”) acquired from Viracta Therapeutics the right to receive potential milestones and mid-single digit royalties associated with tovorafenib, plus a share of potential event-based economics. Pursuant to this agreement, the Company is entitled to receive from Viracta $8,100,000, representing a portion of the PRV sale proceeds payable by Day One to Viracta.


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 hereunto duly authorized.


Date: May 30, 2024     By:  


      Thomas Burns
      Senior Vice President, Finance and Chief Financial Officer