Celia Eckert - Mar 2, 2023 Form 4 Insider Report for Xencor Inc (XNCR)

Role: VP, GENERAL COUNSEL
Signature: /s/ Celia E. Eckert, Attorney-in-Fact
Stock symbol: XNCR
Transactions as of: Mar 2, 2023
Transactions value $: -$13,467
Form type: 4
Date filed: 3/6/2023, 08:13 PM
Previous filing: Mar 10, 2022
Next filing: Mar 8, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	XNCR	Common Stock	Award	$0	+10.5K	+34.93%	$0.00	40.6K	Mar 2, 2023	Direct	F1
transaction	XNCR	Common Stock	Sale	-$13.5K	-427	-1.05%	$31.54	40.1K	Mar 3, 2023	Direct	F2, F3

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	XNCR	Stock Options	Award	$0	+63K		$0.00	63K	Mar 2, 2023	Common Stock	63K	$31.43	Direct	F4

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

Explanation of Responses:

Id	Content
F1	Represents restricted stock units that vest as follows: 1/3 of the shares vest on the first, second and third anniversaries of the date of grant.
F2	Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 1,049 restricted stock units.
F3	Includes the following shares acquired by the reporting person pursuant to the Issuer's Employee Stock Purchase Plan: 746 shares acquired in June 2022 and 350 shares acquired in December 2022.
F4	25% of the shares subject to the option shall vest on the one year anniversary of March 2, 2023 (the "Vesting Commencement Date") and 1/48th of the shares shall vest monthly thereafter, such that the option shall be fully vested on the four year anniversary of the Vesting Commencement Date.