Xencor executive sells 6,620 shares for tax withholding

Xencor Inc senior executive reports tax-related share sales.

Rhea-AI Filing Summary

Xencor Inc senior executive reports tax-related share sales. SR. Vice President & CSO John R. Desjarlais sold a total of 6,620 shares of Xencor common stock in open-market transactions on March 5 and March 6. The sales were made solely to cover withholding taxes upon vesting of restricted stock units. Following these transactions, he directly holds 263,831 Xencor shares.

Insider Trade Summary

Net Seller: 6,620 shares

Net Sell 2 txns

Insider Desjarlais John R

Role SR. VICE PRESIDENT & CSO

Sold 6,620 shs ($74K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,502	$11.0197	$28K
Sale	Common Stock	4,118	$11.2455	$46K

Holdings After Transaction: Common Stock — 263,831 shares (Direct)

Footnotes (2)

1. F1. Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 9,950 restricted stock units.
2. F2. Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 6,908 restricted stock units.

FAQ

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

Xencor reported that SR. Vice President & CSO John R. Desjarlais sold 6,620 shares of common stock over two days. These transactions were open-market sales executed to cover tax withholding obligations tied to recently vested restricted stock units.

On what dates did John R. Desjarlais sell Xencor (XNCR) shares and at what prices?

John R. Desjarlais sold Xencor shares on March 5 and March 6. He sold 4,118 shares at an average price of $11.2455 and 2,502 shares at an average price of $11.0197, according to the reported Form 4 insider filing data.

Why were Xencor (XNCR) shares sold in John R. Desjarlais’s recent Form 4 filing?

The reported share sales were made to pay withholding taxes due upon vesting of restricted stock units. Footnotes state the dispositions related to RSU vesting of 9,950 and 6,908 units, indicating the transactions were primarily tax-driven rather than discretionary portfolio changes.

How many Xencor (XNCR) shares does John R. Desjarlais hold after these transactions?

After the reported transactions, John R. Desjarlais directly owns 263,831 shares of Xencor common stock. This figure reflects his holdings following the March 6 sale and shows his remaining equity stake after satisfying tax withholding obligations from restricted stock unit vesting.

What role does John R. Desjarlais hold at Xencor (XNCR) in this Form 4 filing?

John R. Desjarlais is identified as SR. Vice President & Chief Scientific Officer of Xencor. His position as a senior officer makes his equity transactions reportable on Form 4, providing transparency into changes in his direct ownership of Xencor common stock.

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Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 03/09/2026 - 04:07 PM Learn about SEC filing dates

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^*

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)
03/05/2026

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	03/05/2026		S		4,118(1)	D	$11.2455	266,333	D
Common Stock	03/06/2026		S		2,502(2)	D	$11.0197	263,831	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

Explanation of Responses:

1. Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 9,950 restricted stock units.

2. Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 6,908 restricted stock units.

Remarks:

	/s/ Celia E. Eckert, Attorney-in-Fact	03/09/2026
	** 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.