John R. Desjarlais - 19 Dec 2025 Form 4 Insider Report for Xencor Inc (XNCR)

Role
SR. VICE PRESIDENT & CSO
Signature
/s/ Celia E. Eckert, Attorney-in-Fact
Issuer symbol
XNCR
Transactions as of
19 Dec 2025
Net transactions value
-$156,557
Form type
4
Filing time
23 Dec 2025, 16:02:01 UTC
Previous filing
11 Mar 2025
Next filing
26 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Desjarlais John R SR. VICE PRESIDENT & CSO C/O XENCOR, INC., 465 N HALSTEAD STREET, SUITE 200, PASADENA /s/ Celia E. Eckert, Attorney-in-Fact 23 Dec 2025 0001591313

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction XNCR Common Stock Options Exercise $917,821 +73,367 +31% $12.51 309,941 19 Dec 2025 Direct
transaction XNCR Common Stock Sale $1,153,329 -73,367 -24% $15.72 236,574 19 Dec 2025 Direct F1
transaction XNCR Common Stock Options Exercise $78,951 +6,311 +2.7% $12.51 242,885 22 Dec 2025 Direct

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) Options Exercise $0 -73,367 -86% $0.000000 11,633 19 Dec 2025 Common Stock 73,367 $12.51 Direct F2, F3
transaction XNCR Stock Option (Right to Buy) Options Exercise $0 -6,311 -54% $0.000000 5,322 22 Dec 2025 Common Stock 6,311 $12.51 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.51 to $15.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
F2 Represents the exercise of an expiring option grant.
F3 25% of the shares subject to the option vested on the one year anniversary of January 26, 2016 (the "Vesting Commencement Date"), and 1/48th of the shares vested monthly thereafter, such that the option was fully vested and exercisable on the four year anniversary of the Vesting Commencement Date.