Data spanning the past 90 days through February 19, 2026 reveals that Agenus's three principal insider shareholders consist of Director Garo H Armen (352.01K shares), Chief Medical Officer Steven J O'Day (57.12K shares), Director Thomas L Harrison (29.77K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Garo H Armen | Nan | 352,010 | 09 Feb, 2026 |
| Ulf Wiinberg | 6,203 | 17 Nov, 2023 | |
| Susan B Hirsch | 5,436 | 04 Jan, 2023 | |
| Brian Corvese | 4,604 | 21 Jun, 2021 | |
| Allison M Jeynes-Ellis | 3,309 | 21 Jun, 2021 | |
| Steven J O'Day | Chief Medical Officer | 57,116 | 30 Jun, 2025 |
| Timothy Wright | 2,520 | 21 Jun, 2021 | |
| Thomas L Harrison | 29,770 | 05 Jan, 2026 | |
| Christine M Klaskin | Pfo & Pao | 23,478 | 30 Jun, 2025 |
| Jennifer Buell | 19,738 | 06 May, 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 |
|---|---|---|---|---|---|---|---|---|
| 06 Feb, 2026 | Garo H Armen | Common Stock | A | 5,027 | $2.94 | 320,712 | D | A |
| 23 Jan, 2026 | Garo H Armen | Common Stock | A | 4,562 | $3.24 | 315,685 | D | A |
| 09 Jan, 2026 | Garo H Armen | Common Stock | A | 3,780 | $3.91 | 311,123 | D | A |
| 02 Jan, 2026 | Thomas L Harrison | Common Stock | A | 7,691 | $3.98 | 29,770 | D | A |
| 26 Dec, 2025 | Garo H Armen | Common Stock | A | 4,942 | $3.31 | 307,343 | D | A |
| 12 Dec, 2025 | Garo H Armen | Common Stock | A | 4,316 | $3.79 | 302,401 | D | A |
| 28 Nov, 2025 | Garo H Armen | Common Stock | A | 3,587 | $4.56 | 298,085 | D | A |
| 14 Nov, 2025 | Garo H Armen | Common Stock | A | 3,769 | $4.34 | 294,498 | D | A |
| 31 Oct, 2025 | Garo H Armen | Common Stock | A | 4,120 | $3.97 | 290,729 | D | A |
| 17 Oct, 2025 | Garo H Armen | Common Stock | A | 4,216 | $3.88 | 286,609 | D | A |
| 03 Oct, 2025 | Garo H Armen | Common Stock | A | 3,951 | $4.14 | 282,393 | D | A |
| 01 Oct, 2025 | Thomas L Harrison | Common Stock | A | 5,780 | $5.01 | 22,079 | D | A |
| 19 Sep, 2025 | Garo H Armen | Common Stock | A | 3,734 | $4.38 | 278,442 | D | A |
| 05 Sep, 2025 | Garo H Armen | Common Stock | A | 3,778 | $4.33 | 274,708 | D | A |
| 22 Aug, 2025 | Garo H Armen | Common Stock | A | 3,619 | $4.52 | 270,930 | D | A |
| 08 Aug, 2025 | Garo H Armen | Common Stock | A | 3,407 | $4.80 | 267,311 | D | A |
| 25 Jul, 2025 | Garo H Armen | Common Stock | A | 2,745 | $5.96 | 263,904 | D | A |
| 11 Jul, 2025 | Garo H Armen | Common Stock | A | 2,317 | $7.06 | 261,159 | D | A |
| 01 Jul, 2025 | Thomas L Harrison | Common Stock | A | 7,401 | $3.46 | 16,299 | D | A |
| 27 Jun, 2025 | Garo H Armen | Common Stock | A | 3,436 | $4.76 | 258,842 | D | A |