Celia Eckert - Mar 3, 2022 Form 4 Insider Report for Xencor Inc (XNCR)

Role: VP, GENERAL COUNSEL
Signature: /s/ Celia E. Eckert
Stock symbol: XNCR
Transactions as of: Mar 3, 2022
Transactions value $: -$13,487
Form type: 4
Date filed: 3/7/2022, 04:00 PM
Next filing: Mar 10, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	XNCR	Common Stock	Sale	-$13.5K	-451	-4.37%	$29.91	9.86K	Mar 3, 2022	Direct	F1, F2
transaction	XNCR	Common Stock	Award	$0	+19.9K	+201.85%	$0.00	29.8K	Mar 3, 2022	Direct	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	+39.8K		$0.00	39.8K	Mar 3, 2022	Common Stock	39.8K	$30.02	Direct	F4

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

Explanation of Responses:

Id	Content
F1	Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 1,049 restricted stock units.
F2	Includes the following shares acquired by the reporting person pursuant to the Issuer's Employee Stock Purchase Plan: 377 shares acquired in June 2021 and 418 shares acquired in December 2021.
F3	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.
F4	25% of the shares subject to the option shall vest on the one year anniversary of March 3, 2022 (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.