Celia Eckert - 02 Mar 2026 Form 4 Insider Report for Xencor Inc (XNCR)

Role
SVP, GENERAL COUNSEL
Signature
/s/ Celia E. Eckert, Attorney-in-Fact
Issuer symbol
XNCR
Transactions as of
02 Mar 2026
Net transactions value
-$17,747
Form type
4
Filing time
04 Mar 2026, 19:42:54 UTC
Previous filing
11 Mar 2025
Next filing
09 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Eckert Celia SVP, GENERAL COUNSEL C/O XENCOR, INC., 465 N HALSTEAD STREET, SUITE 200, PASADENA /s/ Celia E. Eckert, Attorney-in-Fact 04 Mar 2026 0001787397

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction XNCR Common Stock Award +18,680 +29% $0.000000* 83,421 02 Mar 2026 Direct F1, F2
transaction XNCR Common Stock Sale $17,747 -1,492 -1.8% $11.90 81,929 03 Mar 2026 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 Option (Right to Buy) Award +112,080 $0.000000* 112,080 02 Mar 2026 Common Stock 112,080 $12.30 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, 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: 977 shares acquired on June 10, 2025 and 257 shares on December 10, 2025.
F3 Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 3,502 restricted stock units.
F4 25% of the shares subject to the option shall vest on the one year anniversary of March 2, 2026 (the "Vesting Commencement Date"), and 1/48th of the shares shall vest monthly thereafter, such that the option shall be fully vested and exercisable 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.