# EDGAR Filing Document

**Accession Number:** 0001638479
**File Stem:** 0001214659-25-014067
**Filing Date:** 2025-9
**Character Count:** 10629
**Document Hash:** 786bb506a7eda2db8194a3b3bf189c4c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001214659-25-014067.hdr.sgml**: 20250923

**ACCESSION NUMBER**: 0001214659-25-014067

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250919

**FILED AS OF DATE**: 20250923

**DATE AS OF CHANGE**: 20250923

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** BURNS THOMAS M.
- **CENTRAL INDEX KEY:** 0001638479

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39801
- **FILM NUMBER:** 251334747

**MAIL ADDRESS:**
- **STREET 1:** 2910 SEVENTH STREET
- **CITY:** BERKELEY
- **STATE:** CA
- **ZIP:** 94710
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** XOMA Royalty Corp
- **CENTRAL INDEX KEY:** 0000791908
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 522154066
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 POWELL STREET
- **STREET 2:** SUITE 310
- **CITY:** EMERYVILLE
- **STATE:** CA
- **ZIP:** 94608
- **BUSINESS PHONE:** 510-204-7239

**MAIL ADDRESS:**
- **STREET 1:** 2200 POWELL STREET
- **STREET 2:** SUITE 310
- **CITY:** EMERYVILLE
- **STATE:** CA
- **ZIP:** 94608

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** XOMA Corp
- **DATE OF NAME CHANGE:** 20120119

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** XOMA LTD /DE/
- **DATE OF NAME CHANGE:** 19990107

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** XOMA CORP /DE/
- **DATE OF NAME CHANGE:** 19920703

## Ex-24

```
<pre>
      Know all by these presents that the undersigned hereby constitutes and appoints
each of Maricel Montano of XOMA Royalty Corporation (the "Company") and Andrea
Shen of Gibson, Dunn & Crutcher LLP, signing singly and with full power of
substitution and re-substitution, as the undersigned's true and lawful
attorney-in-fact to:

1. act as an account administrator for the undersigned's Electronic Data
Gathering and Retrieval ("EDGAR") account, including: (i) appointing, removing
and replacing account administrators, technical administrators, account users
and delegated entities; (ii) maintaining the security of the undersigned's EDGAR
account, including modification of access codes; (iii) maintaining, modifying
and certifying the accuracy of information on the undersigned's EDGAR account
dashboard; and (iv) taking any other actions contemplated by Rule 10 of
Regulation S-T;

2. execute for and on behalf of the undersigned, in the undersigned's capacity
as a director and/or officer of the Company, Forms 3, 4 and 5 in accordance with
Section 16(a) of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), and the rules thereunder;

3. do and perform any and all acts for and on behalf of the undersigned that may
be necessary or desirable to complete and execute any such Form 3, 4 or 5,
complete and execute any such amendment or amendments thereto and file such form
with the U.S. Securities and Exchange Commission and any securities exchange or
similar authority; and

4. take any other action of any type whatsoever in connection with the foregoing
that, in the opinion of such attorney-in-fact, may be of benefit to, in the best
interest of or legally required by, the undersigned, it being understood that
the documents executed by such attorney-in-fact on behalf of the undersigned
pursuant to this Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's sole discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that each such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this Power of Attorney and the rights and powers herein
granted. The undersigned also ratifies hereby any action previously taken by
each attorney-in-fact that would have been authorized by this Power of Attorney
if it had been in effect at the time such action was taken. The undersigned
acknowledges that each attorney-in-fact, in serving in such capacity at the
request of the undersigned, is not assuming, nor is the Company assuming, any of
the undersigned's responsibilities to comply with the requirements of the
Exchange Act, including Section 16 of the Exchange Act;

This Power of Attorney shall remain in full force and effect until the earliest
to occur of (a) the undersigned is no longer required to file Forms 3, 4 and 5
with respect to the undersigned's holdings of and transactions in securities
issued by the Company, (b) revocation by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact or (c) as to any attorney-in-fact
individually, until such attorney-in-fact is no longer employed by the Company
or Gibson, Dunn & Crutcher LLP.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of 18-Sep-2025.

Signature:  Thomas Burns
    </pre>
```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>BURNS THOMAS M.<br><sub>(Last) (First) (Middle)</sub><br>C/O XOMA ROYALTY CORPORATION<br>2200 POWELL STREET, SUITE 310<br><sub>(Street)</sub><br>EMERYVILLE, CA 94608<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-09-19 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_SVP, Finance & CFO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>XOMA Royalty Corp [ XOMA ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-09-19 |  | M |  | 11846 | A | $0 | 34409 | D |  |
| Common Stock | 2025-09-22 |  | S<sup>(1)</sup> |  | 4300 | D | $35.98 | 30109 | D |  |
| Common Stock | 2025-09-22 |  | S<sup>(1)</sup> |  | 15 | D | $36.93 | 30094 | D |  |
| Common Stock | 2025-09-22 |  | S<sup>(1)</sup> |  | 15 | D | $36.81 | 30079 | D |  |
| Common Stock |  |  |  |  |  |  |  | 6130 | I | By 401(k) Plan |
| Depository Shares - 8.375% Series B Cumulative Stock |  |  |  |  |  |  |  | 2000 | D |  |
| 8.625% Series A Cumulative Perpetual Preferred Stock |  |  |  |  |  |  |  | 2000 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Performance Stock Units | <sup>(2)</sup> | 2025-09-19 |  | M |  |  | 11846 | <sup>(2)</sup> | 2026-05-18 | Common Stock | 11846 | $0 | 44208 | D |  |

---

### Footnotes:

(1) Shares sold to satisfy the tax withholding obligations incurred upon settlement of the Performance Stock Units ("PSUs").

(2) Each PSU represents a contingent right to receive one share of the Issuer's common stock (the "Common Stock").  The PSUs vest upon the Common Stock achieving a specified price per share.

**Remarks:**
Exhibit 24 - Power of Attorney

**Signature:** /s/ Thomas M. Burns  
**Date:** 2025-09-23

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**