Company: XOMAP
Filing Date: 2025-02-11
Form Type: 8-K/A
Source: 0001193125-25-024024
Chunk: 2

Company: XOMA Royalty Corp
Filing Date: 2025-02-11
Form: 8-K/A
Chunk 2
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 condensed combined statement of operations for the nine months ended September 30, 2024, the unaudited pro forma combined statement of operations for the year ended December 31, 2023, and notes to the unaudited pro forma condensed combined financial information of the Company, all giving effect to the acquisition, are filed as Exhibit 99.4 to this Amendment and incorporated herein by reference. (d) Exhibits

| Exhibit No. 
 23.1        
 99.1+       
 99.2        |     | Description                                                                                                                                                                            
 Consent of Rosenberg Rich Baker Berman, P.A., Independent Certified Public Accountants.                                                                                                
 Press Release issued by XOMA Corporation on December 2, 2024 (incorporated herein by reference to Exhibit 99.1 to the Form 8-K filed by XOMA Royalty Corporation on December 2, 2024). 
 Audited Financial Statements of Pulmokine, Inc. as of and for the Year Ended December 31, 2023.                                                                                        |
|:------------|:----|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 99.3        |     | Unaudited Condensed Financial Statements of Pulmokine, Inc. as of and for the Nine Months Ended September 30, 2024.                                                                    |
| 99.4        |     | Unaudited Pro Forma Condensed Combined Financial Information of XOMA Royalty Corporation                                                                                               |
| 104         |     | Cover Page Interactive Data File (embedded within the Inline XBRL document).                                                                                                           |

| + | Previously Filed |

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

| Date: February 11, 2025 |     | XOMA ROYALTY CORPORATION 
 By:                      |     | /s/ Owen Hughes |     |                         |
|:------------------------|:----|:-------------------------|:----|:----------------|:----|:------------------------|
|                         |     |                          |     | Name:           |     | Owen Hughes             |
|                         |     |                          |     | Title:          |     | Chief Executive Officer |