Company: XOMAP
Filing Date: 2025-10-03
Form Type: 424B5
Source: 0001193125-25-230393
Chunk: 53

Company: XOMA Royalty Corp
Filing Date: 2025-10-03
Form: 424B5
Chunk 53
---
 of updating such description, including Exhibit   
 4.10 to our Annual Report on Form 10-K for the fiscal year ended December                                              
 31, 2024, filed with the SEC on March 17, 2025;                                                                        |

We also incorporate by reference any filings (other than current reports on Form 8-Kfurnished under Item 2.02 or Item 7.01, exhibits filed on such form that are related to such items unless such Form 8-Kexpressly provides to the contrary and certain exhibits furnished pursuant to Item 9.01 of Form 8-K) made with the SEC pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this prospectus supplement but before the termination of the offering covered by this prospectus supplement. We have not authorized anyone to provide you with any different or additional information other than that contained in or incorporated by reference into this prospectus supplement and the accompanying prospectus. We take no responsibility for, and can provide no assurance as to the reliability of, any information that others may provide. Any statement contained in a document incorporated or deemed to be incorporated by reference into this prospectus supplement or the accompanying prospectus will be deemed to be modified or superseded for purposes of this prospectus supplement to the extent that a statement contained in this prospectus supplement or any other subsequently filed document that is deemed to be incorporated by reference into this prospectus supplement modifies or supersedes the statement. Any statement so modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this prospectus supplement. You may request a copy of these filings (other than exhibits to such documents unless such exhibits are specifically incorporated by reference herein), at no cost, by contacting us, either orally or in writing, at the following: XOMA Royalty Corporation S-40

2200 Powell Street, Suite 310

Emeryville, California 94608

(510)
204-7200

Attn: Chief Financial Officer

Information about us, including our reports filed with the SEC, is available through our website at www.xoma.com. Such reports are accessible at no
charge through our website and are made available as soon as reasonably practicable after such material is filed with or furnished to the SEC. Our website and the information contained on that website, or connected to that website, are not
incorporated by reference in this prospectus supplement. We have