Over the 90-day window ending February 07, 2026, Xencor's three dominant insider ownership positions are held by President & Ceo Bassil I Dahiyat (477.26K shares), Sr. Vice President & Cso John R Desjarlais (248.21K shares), Sr. Vice President & Cfo John J Kuch (121.07K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Bassil I Dahiyat | President & Ceo | 477,259 | 23 Dec, 2025 |
| John R Desjarlais | Sr. Vice President & Cso | 248,207 | 26 Jan, 2026 |
| 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Jan, 2026 | John R Desjarlais | Common Stock | A | 5,322 | $12.51 | 248,207 | D | M |
| 22 Dec, 2025 | Bassil I Dahiyat | - | - | 477,259 | D | |||
| 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 | - | - | 466,635 | D | |||
| 19 Dec, 2025 | Bassil I Dahiyat | - | - | 581,012 | D | |||
| 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 | - | - | 18,905 | D | |||
| 16 Jun, 2025 | Kevin Charles Gorman | Common Stock | D | 3,173 | $9.22 | 18,905 | D | S |
| 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 | - | - | 22,078 | D | |||
| 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 |