XNCR · Insider Trading
Xencor, Inc.
Every open-market purchase and sale reported by XNCR officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-08 | Raymond Joseph Deshaies | Director | A | +10,302 | — |
| 2026-07-08 | Kurt A Gustafson | Director | A | +10,302 | — |
| 2026-07-08 | Kevin Charles Gorman | Director | A | +10,302 | — |
| 2026-07-08 | Ellen Feigal | Director | A | +10,302 | — |
| 2026-07-08 | Richard J Ranieri | Director | A | +10,302 | — |
| 2026-07-08 | Barbara Klencke | Director | A | +10,302 | — |
| 2026-07-08 | Alan Bruce Montgomery | Director | A | +10,302 | — |
| 2026-07-08 | Todd E Simpson | Director | A | +10,302 | — |
| 2026-06-22 | Ellen Feigal | Director | Sell | −6,843 | −$89.37K |
| 2026-06-17 | Alan Bruce Montgomery | Director | Sell | −5,064 | −$62.34K |
| 2026-06-17 | Kurt A Gustafson | Director | Sell | −5,474 | −$67.38K |
| 2026-06-17 | Richard J Ranieri | Director | Sell | −5,474 | −$67.38K |
| 2026-06-17 | Kevin Charles Gorman | Director | Sell | −7,527 | −$92.66K |
| 2026-04-13 | Bart Jan Cornelissen | SR. VICE PRESIDENT & CFO | Sell | −3,499 | −$42.99K |
| 2026-03-09 | Bart Jan Cornelissen | SR. VICE PRESIDENT & CFO | Sell | −2,517 | −$28.30K |
| 2026-03-09 | John R Desjarlais | SR. VICE PRESIDENT & CSO | Sell | −6,620 | −$73.88K |
| 2026-03-09 | Celia Eckert | SVP, GENERAL COUNSEL | Sell | −5,011 | −$55.95K |
| 2026-03-09 | Bassil I Dahiyat | PRESIDENT & CEO | Sell | −21,476 | −$240.02K |
| 2026-03-04 | Celia Eckert | SVP, GENERAL COUNSEL | MIXED | +17,188 | −$17.75K |
| 2026-03-04 | John R Desjarlais | SR. VICE PRESIDENT & CSO | MIXED | +22,244 | −$31.68K |
| 2026-03-04 | Bassil I Dahiyat | PRESIDENT & CEO | MIXED | +90,533 | −$80.39K |
| 2026-03-04 | Bart Jan Cornelissen | SR. VICE PRESIDENT & CFO | A | +19,458 | — |
| 2026-01-26 | John R Desjarlais | SR. VICE PRESIDENT & CSO | M | +5,322 | +$66.58K |
| 2025-12-23 | Bassil I Dahiyat | PRESIDENT & CEO | MIXED | +10,624 | −$233.10K |
| 2025-12-23 | John R Desjarlais | SR. VICE PRESIDENT & CSO | MIXED | +6,311 | −$156.56K |
| 2025-07-31 | Raymond Joseph Deshaies | Director | A | +110,422 deriv. | — |
| 2025-06-16 | Todd E Simpson | Director | A | +13,686 | — |
| 2025-06-16 | Kevin Charles Gorman | Director | MIXED | +10,513 | −$29.26K |
| 2025-06-16 | Barbara Klencke | Director | A | +13,686 | — |
| 2025-06-16 | Richard J Ranieri | Director | MIXED | +10,693 | −$27.60K |
| 2025-06-16 | Ellen Feigal | Director | MIXED | +10,693 | −$27.60K |
| 2025-06-16 | Alan Bruce Montgomery | Director | MIXED | +11,471 | −$20.42K |
| 2025-06-16 | Kurt A Gustafson | Director | MIXED | +10,693 | −$27.60K |
| 2025-05-06 | Nancy Valente | EVP, Chief Development Officer | Sell | −4,616 | −$50.91K |
| 2025-04-14 | Bart Jan Cornelissen | SR. VICE PRESIDENT & CFO | Sell | −3,750 | −$30.23K |
| 2025-03-13 | Todd E Simpson | Director | A | +43,337 deriv. | — |
| 2025-03-11 | Bassil I Dahiyat | PRESIDENT & CEO | Sell | −19,716 | −$268.08K |
| 2025-03-11 | Nancy Valente | EVP, Chief Development Officer | Sell | −2,565 | −$34.88K |
| 2025-03-11 | Celia Eckert | SVP, GENERAL COUNSEL | Sell | −5,740 | −$78.05K |
| 2025-03-11 | John R Desjarlais | SR. VICE PRESIDENT & CSO | Sell | −9,697 | −$131.85K |
| 2025-03-05 | John R Desjarlais | SR. VICE PRESIDENT & CSO | A | +29,851 | — |
| 2025-03-05 | Bart Jan Cornelissen | SR. VICE PRESIDENT & CFO | A | +21,949 | — |
| 2025-03-05 | Celia Eckert | SVP, GENERAL COUNSEL | A | +21,949 | — |
| 2025-03-05 | Bassil I Dahiyat | PRESIDENT & CEO | A | +109,745 | — |
| 2025-02-03 | Bassil I Dahiyat | PRESIDENT & CEO | M | +8,808 | +$138.20K |
| 2025-02-03 | John R Desjarlais | SR. VICE PRESIDENT & CSO | M | +3,542 | +$55.57K |
| 2024-12-04 | Alan Bruce Montgomery | Director | MIXED | — | −$146.66K |
| 2024-11-25 | Bassil I Dahiyat | PRESIDENT & CEO | MIXED | +13,548 | −$200.62K |
| 2024-11-14 | Bassil I Dahiyat | PRESIDENT & CEO | MIXED | — | −$28.03K |
| 2024-11-13 | John R Desjarlais | SR. VICE PRESIDENT & CSO | MIXED | +12,774 | −$334.56K |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| Bassil I Dahiyat | PRESIDENT & CEO | 552,922 | $19.37M |
| John R Desjarlais | SR. VICE PRESIDENT & CSO | 266,333 | $9.33M |
| Celia Eckert | SVP, GENERAL COUNSEL | 78,685 | $2.76M |
| Bart Jan Cornelissen | SR. VICE PRESIDENT & CFO | 75,898 | $2.66M |
| Nancy Valente | EVP, Chief Development Officer | 49,169 | $1.72M |
| Barbara Klencke | Director | 29,974 | $1.05M |
| Alan Bruce Montgomery | Director | 25,849 | $905.49K |
| Kurt A Gustafson | Director | 25,011 | $876.14K |
| Richard J Ranieri | Director | 24,011 | $841.11K |
| Todd E Simpson | Director | 23,988 | $840.30K |
| Ellen Feigal | Director | 22,642 | $793.15K |
| Kevin Charles Gorman | Director | 21,680 | $759.45K |
| Raymond Joseph Deshaies | Director | 10,302 | $360.88K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the XNCR quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.