Xencor (XNCR) SVP Desjarlais exercises 5,322-share stock option

Rhea-AI Filing Summary

Xencor Inc. senior vice president and chief scientific officer John R. Desjarlais exercised a stock option for 5,322 shares of common stock on January 23, 2026. The option had an exercise price of $12.51 per share and had fully vested under a schedule beginning January 26, 2016. Following the exercise, Desjarlais directly owned 248,207 shares of Xencor common stock. The derivative position reported as a stock option now shows zero options remaining, reflecting the exercise of this expiring grant and no reported sale of the underlying shares.

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

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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^*

Desjarlais John R

(Last) (First) (Middle)

C/O XENCOR, INC.

465 N HALSTEAD STREET, SUITE 200

(Street)

PASADENA CA 91107

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Xencor Inc [ XNCR ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SR. VICE PRESIDENT & CSO

3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026

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

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

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

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	01/23/2026		M		5,322	A	$12.51	248,207	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
Stock Option (Right to Buy)	$12.51	01/23/2026		M			5,322(1)	(2)	01/26/2026	Common Stock	5,322	$0	0	D

Explanation of Responses:

1. Represents the exercise of an expiring option grant.

2. 25% of the shares subject to the option vested on the one year anniversary of January 26, 2016 (the "Vesting Commencement Date"), and 1/48th of the shares vested monthly thereafter, such that the option was fully vested and exercisable on the four year anniversary of the Vesting Commencement Date.

Remarks:

	/s/ Celia E. Eckert, Attorney-in-Fact	01/26/2026
	** 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.

FAQ

What insider transaction did Xencor (XNCR) report for John R. Desjarlais?

John R. Desjarlais, Xencor's senior vice president and chief scientific officer, exercised a stock option covering 5,322 shares of Xencor common stock on January 23, 2026.

What was the exercise price of the XNCR stock options exercised by John R. Desjarlais?

The stock option Desjarlais exercised had an exercise price of $12.51 per share for 5,322 shares of Xencor common stock.

How many Xencor (XNCR) shares does John R. Desjarlais own after this Form 4 transaction?

After the reported option exercise, John R. Desjarlais directly beneficially owned 248,207 shares of Xencor common stock.

Did John R. Desjarlais sell any Xencor (XNCR) shares in this Form 4 filing?

No sale is reported. The Form 4 shows an exercise of an expiring stock option for 5,322 shares, with the derivative position reduced to zero.

What vesting schedule applied to the XNCR stock option exercised by John R. Desjarlais?

The footnotes state that 25% of the option shares vested on the one-year anniversary of January 26, 2016, and 1/48th vested monthly thereafter, so the option was fully vested by the four-year anniversary.

What type of security was involved in John R. Desjarlais's XNCR Form 4 transaction?

The transaction involved a stock option (right to buy) that was exercised into 5,322 shares of Xencor common stock.