As of July 24, 2026, Agenus's top three insider holders are Garo H Armen (Director, 342.55K shares), Steven J O'Day (Chief Medical Officer, 57.12K shares), Thomas L Harrison (Director, 39.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Garo H Armen | - | 342,550 | 0 | 21 Apr, 2026 |
| Thomas L Harrison | - | 38,998 | 0 | 13 Apr, 2026 |
| Christine M Klaskin | Pfo Pao | 23,478 | 0 | 30 Jun, 2025 |
| Steven J O'Day | Chief Medical Officer | 57,116 | 0 | 30 Jun, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Apr, 2026 | Garo H Armen | Common Stock | A | 3,403 | $4.79 | 342,550 | D | A |
| 01 Apr, 2026 | Thomas L Harrison | Common Stock | A | 9,228 | $3.32 | 38,998 | D | A |
| 01 Apr, 2026 | Timothy Wright | Deferred Stock Units | A | 2,448 | - | 26,361 | D | A |
| 01 Apr, 2026 | Timothy Wright | Deferred Stock Units | A | 2,448 | - | 26,361 | D | A |
| 01 Apr, 2026 | Timothy Wright | Deferred Stock Units | A | 2,448 | - | 26,361 | D | A |
| 01 Apr, 2026 | Timothy Wright | Deferred Stock Units | A | 2,448 | - | 26,361 | D | A |
| 01 Apr, 2026 | Timothy Wright | Deferred Stock Units | A | 2,448 | - | 26,361 | D | A |
| 01 Apr, 2026 | Timothy Wright | Deferred Stock Units | A | 2,448 | - | 26,361 | D | A |
| 02 Jan, 2026 | Timothy Wright | Deferred Stock Units | A | 2,041 | - | 23,913 | D | A |
| 02 Jan, 2026 | Timothy Wright | Deferred Stock Units | A | 2,041 | - | 23,913 | D | A |
| 02 Jan, 2026 | Timothy Wright | Deferred Stock Units | A | 2,041 | - | 23,913 | D | A |
| 02 Jan, 2026 | Timothy Wright | Deferred Stock Units | A | 2,041 | - | 23,913 | D | A |
| 02 Jan, 2026 | Timothy Wright | Deferred Stock Units | A | 2,041 | - | 23,913 | D | A |
| 02 Jan, 2026 | Timothy Wright | Deferred Stock Units | A | 2,041 | - | 23,913 | D | A |
| 01 Oct, 2025 | Timothy Wright | Deferred Stock Units | A | 1,705 | - | 21,872 | D | A |
| 01 Oct, 2025 | Timothy Wright | Deferred Stock Units | A | 1,705 | - | 21,872 | D | A |
| 01 Oct, 2025 | Timothy Wright | Deferred Stock Units | A | 1,705 | - | 21,872 | D | A |
| 01 Oct, 2025 | Timothy Wright | Deferred Stock Units | A | 1,705 | - | 21,872 | D | A |
| 01 Oct, 2025 | Timothy Wright | Deferred Stock Units | A | 1,705 | - | 21,872 | D | A |
| 01 Oct, 2025 | Timothy Wright | Deferred Stock Units | A | 1,705 | - | 21,872 | D | A |