Agenus Inc (AGEN) Insider Ownership

Historic Insider Ownership Trends

AGEN's three largest insider shareholders as of May 04, 2026 are Garo H Armen (Director, 625.97K shares), Garo H Armen (Chairman And Ceo, 342.55K shares), Ulf Wiinberg (Director, 124.06K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Garo H Armen - 0 625,969 15 Feb, 2024
Garo H Armen Chairman And Ceo 342,550 0 21 Apr, 2026
Ulf Wiinberg - 124,063 0 17 Nov, 2023
Ulf Wiinberg - 124,063 0 17 Nov, 2023
Ulf Wiinberg - 124,063 0 17 Nov, 2023
Susan B Hirsch - 108,725 0 04 Jan, 2023
Susan B Hirsch - 108,725 0 04 Jan, 2023
Steven J O'Day Chief Medical Officer 57,116 0 30 Jun, 2025
Steven J O'Day Chief Medical Officer 57,116 0 30 Jun, 2025
Steven J O'Day Chief Medical Officer 57,116 0 30 Jun, 2025
Steven J O'Day Chief Medical Officer 57,116 0 30 Jun, 2025
Thomas L Harrison - 38,998 0 13 Apr, 2026
Christine M Klaskin Pfo Pao 23,478 0 30 Jun, 2025
Christine M Klaskin Pfo Pao 23,478 0 30 Jun, 2025
Christine M Klaskin Pfo Pao 23,478 0 30 Jun, 2025
Christine M Klaskin Pfo Pao 23,478 0 30 Jun, 2025
Jennifer Buell Coo And President 19,738 0 06 May, 2025
Jennifer Buell Coo And President 19,738 0 06 May, 2025
Jennifer Buell Coo And President 19,738 0 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.

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
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
03 Apr, 2026 Garo H Armen Common Stock A 4,629 $3.33 339,147 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
20 Mar, 2026 Garo H Armen Common Stock A 3,983 $3.71 334,518 D A
06 Mar, 2026 Garo H Armen Common Stock A 4,994 $2.96 330,535 D A
20 Feb, 2026 Garo H Armen Common Stock A 4,829 $3.06 325,541 D A
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 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 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