Xencor Inc (XNCR) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 10, 2026 reveals that Xencor's three principal insider shareholders consist of President & Ceo Bassil I Dahiyat (477.26K shares), Sr. Vice President & Cso John R Desjarlais (242.88K shares), Sr. Vice President & Cfo John J Kuch (121.07K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Bassil I Dahiyat President & Ceo 477,259 23 Dec, 2025
John R Desjarlais Sr. Vice President & Cso 242,885 23 Dec, 2025
John J Kuch Sr. Vice President & Cfo 121,070 12 Mar, 2024
Allen Yang Sr. Vice President & Cmo 73,364 13 Mar, 2023
Celia Eckert Svp And General Counsel 63,507 11 Mar, 2025
Bart Jan Cornelissen Sr. Vice President & Cfo 61,348 14 Apr, 2025
Nancy Valente Evp And Chief Development Officer 49,169 06 May, 2025
Alan Bruce Montgomery 20,611 16 Jun, 2025
Kurt A Gustafson 20,183 16 Jun, 2025
Barbara Klencke 19,672 16 Jun, 2025
Ellen Feigal 19,183 16 Jun, 2025
Richard J Ranieri 19,183 16 Jun, 2025
Kevin Charles Gorman 18,905 16 Jun, 2025
Todd E Simpson 13,686 16 Jun, 2025
Dagmar Rosa-Bjorkeson 8,490 01 Oct, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
22 Dec, 2025 Bassil I Dahiyat Common Stock A 10,624 $12.51 477,259 D M
22 Dec, 2025 John R Desjarlais Common Stock A 6,311 $12.51 242,885 D M
19 Dec, 2025 Bassil I Dahiyat Common Stock A 114,377 $12.51 581,012 D M
19 Dec, 2025 Bassil I Dahiyat Common Stock D 114,377 $15.71 466,635 D S
19 Dec, 2025 John R Desjarlais Common Stock D 73,367 $15.72 236,574 D S
19 Dec, 2025 John R Desjarlais Common Stock A 73,367 $12.51 309,941 D M
16 Jun, 2025 Kevin Charles Gorman Common Stock D 3,173 $9.22 18,905 D S
16 Jun, 2025 Kevin Charles Gorman - - 18,905 D
16 Jun, 2025 Richard J Ranieri Common Stock D 2,993 $9.22 19,183 D S
16 Jun, 2025 Alan Bruce Montgomery Common Stock D 2,215 $9.22 20,611 D S
16 Jun, 2025 Kurt A Gustafson Common Stock D 2,993 $9.22 20,183 D S
16 Jun, 2025 Ellen Feigal Common Stock D 2,993 $9.22 19,183 D S
12 Jun, 2025 Kevin Charles Gorman Common Stock A 13,686 $0.00 22,078 D A
12 Jun, 2025 Todd E Simpson Common Stock A 13,686 $0.00 13,686 D A
12 Jun, 2025 Richard J Ranieri Common Stock A 13,686 $0.00 22,176 D A
12 Jun, 2025 Alan Bruce Montgomery Common Stock A 13,686 $0.00 22,826 D A
12 Jun, 2025 Kurt A Gustafson Common Stock A 13,686 $0.00 23,176 D A
12 Jun, 2025 Barbara Klencke Common Stock A 13,686 $0.00 19,672 D A
12 Jun, 2025 Ellen Feigal - - 22,176 D
12 Jun, 2025 Ellen Feigal Common Stock A 13,686 $0.00 22,176 D A