Xencor Inc — Director's Dealing 2025

Mar 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Xencor Inc (XNCR)
CIK: 0001326732
Period of Report: 2025-03-04

Reporting Person: Eckert Celia (SVP, GENERAL COUNSEL)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-04	Common Stock	A	21949	—	Acquired	69247	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-04	Stock Option (Right to Buy)	$14.15	A	65847	Acquired	2035-03-04	Common Stock (65847)	Direct

Footnotes

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, subject to the Reporting Person's continuous service to the Issuer on and through each applicable vesting date, inclusive.

F2: Includes the following shares acquired by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan: 822 shares acquired on June 10, 2024 and 414 shares acquired on December 10, 2024.

F3: Includes 597 shares previously inadvertently omitted due to a clerical error. On March 7, 2024, the Reporting Person filed a Form 4 which reported that, following the transactions, the Reporting Person beneficially owned a total of 46,315 shares of Common Stock (the "Original Report"). The Original Report and the subsequent Form 4 filed by the Reporting Person on March 12, 2024 inadvertently omitted 597 shares held by the Reporting Person due to a clerical error.

F4: 25% of the shares subject to the option shall vest on the one year anniversary of March 4, 2025 (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, subject to the Reporting Person's continuous service to the Issuer on and through each applicable vesting date, inclusive.