Owen Hughes - 16 Mar 2026 Form 4 Insider Report for XOMA Royalty Corp (XOMA)

Role: Chief Executive Officer, Director
Signature: /s/ Maricel Montano, Attorney-in-Fact for Owen Hughes
Issuer symbol: XOMA
Transactions as of: 16 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 17 Mar 2026, 16:38:26 UTC
Previous filing: 08 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Hughes Owen	Chief Executive Officer, Director	C/O XOMA ROYALTY CORPORATION, 2200 POWELL STREET, SUITE 310, EMERYVILLE	/s/ Maricel Montano, Attorney-in-Fact for Owen Hughes	17 Mar 2026	0001575933

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	XOMA	Common Stock	Award		+82,428	+84%	$0.000000^*	180,696	16 Mar 2026	Direct	F1
holding	XOMA	Common Stock						295	16 Mar 2026	By 401(k) Plan
holding	XOMA	Depositary Shares - 8.375% Series B Cumulative Stock						102,000	16 Mar 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	XOMA	Performance Stock Units	Award		+126,813		$0.000000^*	126,813	16 Mar 2026	Common Stock	126,813		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents a grant of restricted stock units payable solely in common stock that will vest as to 25% on each of the first four anniversaries of March 11, 2026, subject to the Reporting Person's continued service to the Issuer through each vesting date.
F2	Each performance stock unit ("PSU") represents a contingent right to receive one share of common stock. The PSUs vest upon the common stock achieving a specified price per share, subject to the Reporting Person's continued service to the Issuer through each vesting date.