XOMA (XOMA) CFO converts 11,538 Performance Stock Units into common shares

Rhea-AI Filing Summary

XOMA Royalty Corp’s Chief Financial Officer, Jeffrey Trigilio, exercised Performance Stock Units into common shares. On April 20, 2026, 11,538 PSUs converted into 11,538 shares of common stock at a stated price of $0.00 per share.

Following the transaction, Trigilio directly held 103,906 shares of common stock and 126,924 Performance Stock Units. Each PSU represents a contingent right to receive one share of common stock, vesting only if the stock reaches specified price targets and he continues serving the company through each vesting date.

Insider Trade Summary

11,538 shares exercised/converted

Mixed 2 txns

Insider Trigilio Jeffrey

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise	Performance Stock Units	11,538	$0.00	--
Exercise	Common Stock	11,538	$0.00	--

Holdings After Transaction: Performance Stock Units — 126,924 shares (Direct, null); Common Stock — 103,906 shares (Direct, null)

Footnotes (1)

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Key Figures

Common shares acquired: 11,538 shares Exercise price: $0.00 per share Common shares held after: 103,906 shares +2 more

5 metrics

Common shares acquired 11,538 shares Common Stock received from PSU conversion on April 20, 2026

Exercise price $0.00 per share Stated transaction price per share for the PSU conversion

Common shares held after 103,906 shares Direct common stock ownership following the transaction

PSUs held after 126,924 units Performance Stock Units remaining after the April 20, 2026 transaction

PSU expiration date March 11, 2029 Expiration date of the Performance Stock Units position

Key Terms

Performance Stock Units, contingent right, vesting date, derivative security, +1 more

5 terms

Performance Stock Units financial

"Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's common stock"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

contingent right financial

"represents a contingent right to receive one share of the Issuer's common stock"

vesting date financial

"subject to the Reporting Person's continued service to the Issuer through each vesting date"

derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

expiration date financial

"expiration_date": "2029-03-11T00:00:00.000Z""

The expiration date is the deadline after which a financial contract, such as an option or a futures agreement, is no longer valid or can be exercised. It matters to investors because it determines the timeframe during which they can take action or benefit from the contract, similar to how a coupon or a food item has a limited period of usefulness. Once the expiration date passes, the contract loses its value or ability to be used.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Trigilio Jeffrey

(Last) (First) (Middle)

C/O XOMA ROYALTY CORPORATION

2200 POWELL STREET, SUITE 310

(Street)

EMERYVILLE CALIFORNIA 94608

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
XOMA Royalty Corp [ XOMA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/20/2026		M		11,538	A	$0	103,906	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Units	(1)	04/20/2026		M			11,538	(1)	03/11/2029	Common Stock	11,538	$0	126,924	D

Explanation of Responses:

1. Each Performance Stock Unit ("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, subject to the Reporting Person's continued service to the Issuer through each vesting date.

Remarks:

	/s/ Maricel Montano, Attorney-in-Fact for Jeffrey Trigilio	04/22/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did XOMA (XOMA) report for its CFO?

XOMA reported that CFO Jeffrey Trigilio exercised Performance Stock Units, converting 11,538 PSUs into 11,538 shares of common stock. This was a derivative exercise at a stated price of $0.00 per share, without any reported open-market buying or selling.

How many XOMA (XOMA) shares does the CFO hold after this Form 4?

After the transaction, CFO Jeffrey Trigilio directly held 103,906 shares of XOMA common stock. He also held 126,924 Performance Stock Units, which may convert into additional shares if specific stock-price conditions and continued service requirements are satisfied over time.

What are Performance Stock Units in the XOMA (XOMA) Form 4 filing?

In this filing, each Performance Stock Unit, or PSU, represents a contingent right to receive one XOMA common share. The PSUs vest only if the common stock reaches specified price levels and the reporting person continues serving the company through each applicable vesting date.

Did the XOMA (XOMA) CFO sell any shares in this Form 4 transaction?

No sale is reported in this Form 4. The transaction is coded as an exercise or conversion of a derivative security, where 11,538 Performance Stock Units converted into 11,538 common shares. The filing does not show any open-market sale or tax-withholding disposition.

What is the expiration date of the XOMA (XOMA) Performance Stock Units?

The Performance Stock Units shown in the filing carry an expiration date of March 11, 2029. They represent contingent rights to receive common shares, subject to both stock price performance conditions and the reporting person’s continued service through the applicable vesting dates.