Quick Takeaways
- AGEN - AGENUS INC has 13 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 13 Insiders of AGENUS INC
- Symbol
- AGEN on Nasdaq
- Location
- Lexington, MA
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 07 May 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
AGENUS INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Garo H. Armen | Chairman, Chief Executive Officer and Principal Financial Officer, Director | $1,254,984 | Median | 01 May 2026 | ||
| Steven J. O'Day | Chief Medical Officer | $255,308 | Mixed | 24 Apr 2026 | ||
| Wadih Jordan | Director | $199,154 | Mixed | 03 Oct 2022 | ||
| Ulf Wiinberg | Director | $193,284 | Mixed | 01 Oct 2024 | ||
| Thomas L. Harrison | Director | $130,253 | Median | 24 Apr 2026 | ||
| Christine M. Klaskin | Pfo & Pao | $104,946 | Mixed | 18 Jun 2025 | ||
| Jennifer Buell | Chairman of the Executive Counsel, Director | $61,385 | Mixed | 24 Apr 2026 | ||
| Timothy Wright | Director | $48,014 | Mixed | 24 Apr 2026 | ||
| Susan B. Hirsch | Director | $44,568 | Mixed | 24 Apr 2026 | ||
| Austin Charette | Principal Accounting Officer | $28,621 | Mixed | 24 Apr 2026 | ||
| Adam Krauss | Chief Legal Officer | Mixed | 15 Jun 2021 | |||
| Brian Corvese | Director | Mixed | 24 Apr 2026 | |||
| Allison Jeynes-Ellis | Director | Mixed | 05 Feb 2024 |
Top shareholders of AGENUS INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
7.8%
|
2,830,736
|
$8,888,511 | — | 31 Dec 2025 | |
| ZYNEXT VENTURES USA LLC |
13D/G
|
— |
5.9%
|
2,133,333
|
$6,698,666 | $0 | 15 Jan 2026 | |
| Siren, L.L.C. |
13F
|
Individual |
2.9%
|
1,064,250
|
$3,341,745 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
1.8%
|
503,986
|
$2,303,670 | $0 | 30 Jun 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
1.7%
|
622,484
|
$1,948,000 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1.5%
|
543,546
|
$1,706,734 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.2%
|
423,242
|
$1,328,980 | — | 31 Dec 2025 | |
| Garo H. Armen |
3/4/5
|
Chairman, Chief Executive Officer and Principal Financial Officer, Director |
—
mixed-class rows
|
513,283
mixed-class rows
|
$1,254,984 | — | 01 May 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1%
|
372,748
|
$1,171,219 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.79%
|
285,198
|
$895,521 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.65%
|
233,674
|
$733,736 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.62%
|
225,339
|
$707,564 | — | 31 Dec 2025 | |
| Jump Financial, LLC |
13F
|
Company |
0.47%
|
170,407
|
$535,078 | — | 31 Dec 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.45%
|
163,148
|
$512,285 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.41%
|
146,800
|
$460,952 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.39%
|
141,653
|
$444,790 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.38%
|
137,383
|
$431,383 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.35%
|
127,638
|
$400,783 | — | 31 Dec 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.34%
|
123,458
|
$387,658 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.33%
|
118,818
|
$373,088 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.32%
|
117,117
|
$367,747 | — | 31 Dec 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
0.32%
|
114,336
|
$359,015 | — | 31 Dec 2025 | |
| Man Group plc |
13F
|
Company |
0.32%
|
114,204
|
$358,601 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.3%
|
108,220
|
$339,811 | — | 31 Dec 2025 | |
| OMERS ADMINISTRATION Corp |
13F
|
Company |
0.28%
|
100,500
|
$315,570 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.25%
|
89,586
|
$281,301 | — | 31 Dec 2025 | |
| Steven J. O'Day |
3/4/5
|
Chief Medical Officer |
—
mixed-class rows
|
152,449
mixed-class rows
|
$255,308 | — | 24 Apr 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.2%
|
73,572
|
$231,016 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.19%
|
67,959
|
$213,391 | — | 31 Dec 2025 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.18%
|
66,100
|
$207,554 | — | 31 Dec 2025 | |
| Wadih Jordan |
3/4/5
|
Director |
—
class O/S missing
|
239,945
|
$199,154 | — | 03 Oct 2022 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.17%
|
61,749
|
$193,892 | — | 31 Dec 2025 | |
| Ulf Wiinberg |
3/4/5
|
Director |
—
mixed-class rows
|
148,564
mixed-class rows
|
$193,284 | — | 01 Oct 2024 | |
| Susquehanna Portfolio Strategies, LLC |
13F
|
Company |
0.16%
|
59,413
|
$186,557 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.15%
|
55,142
|
$173,146 | — | 31 Dec 2025 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
0.13%
|
47,461
|
$149,028 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.13%
|
46,273
|
$145,297 | — | 31 Dec 2025 | |
| Thomas L. Harrison |
3/4/5
|
Director |
—
mixed-class rows
|
161,498
mixed-class rows
|
$130,253 | — | 24 Apr 2026 | |
| Avestar Capital, LLC |
13F
|
Company |
0.11%
|
41,000
|
$128,740 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.11%
|
39,895
|
$125,270 | — | 31 Dec 2025 | |
| Engineers Gate Manager LP |
13F
|
Company |
0.1%
|
35,279
|
$110,776 | — | 31 Dec 2025 | |
| Virtu Financial LLC |
13F
|
Company |
0.1%
|
34,385
|
$108,000 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.09%
|
34,245
|
$107,529 | — | 31 Dec 2025 | |
| Christine M. Klaskin |
3/4/5
|
PFO & PAO |
—
mixed-class rows
|
30,728
mixed-class rows
|
$104,946 | — | 18 Jun 2025 | |
| Graham Capital Management, L.P. |
13F
|
Company |
0.09%
|
31,706
|
$99,557 | — | 31 Dec 2025 | |
| Ovata Capital Management Ltd |
13F
|
Company |
0.09%
|
30,800
|
$96,712 | — | 31 Dec 2025 | |
| CAPTRUST FINANCIAL ADVISORS |
13F
|
Company |
0.08%
|
30,087
|
$94,473 | — | 31 Dec 2025 | |
| Key Client Fiduciary Advisors, LLC |
13F
|
Company |
0.08%
|
27,348
|
$85,873 | — | 31 Dec 2025 | |
| OSAIC HOLDINGS, INC. |
13F
|
Company |
0.08%
|
27,139
|
$85,216 | — | 31 Dec 2025 | |
| HighTower Advisors, LLC |
13F
|
Company |
0.07%
|
25,142
|
$78,946 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for AGENUS INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Garo H. Armen | AGEN | Common Stock | Award | 1.24% | 4,233 | 346,783 | 01 May 2026 | Direct | ||
| Susan B. Hirsch | AGEN | Stock Option | Award | 105,000 | 105,000 | 24 Apr 2026 | Direct | |||
| Jennifer Buell | AGEN | Stock Option | Award | 305,000 | 300,000 | 24 Apr 2026 | Direct | |||
| Steven J. O'Day | AGEN | Stock Option | Award | 165,333 | 95,333 | 24 Apr 2026 | Direct | |||
| Thomas L. Harrison | AGEN | Stock Option | Award | 122,500 | 122,500 | 24 Apr 2026 | Direct | |||
| Timothy Wright | AGEN | Stock Option | Award | 105,000 | 105,000 | 24 Apr 2026 | Direct | |||
| Austin Charette | AGEN | Stock Option | Award | 22,619 | 17,619 | 24 Apr 2026 | Direct | |||
| Garo H. Armen | AGEN | Stock Option | Award | 1,165,300 | 1,000,000 | 24 Apr 2026 | Direct | |||
| Brian Corvese | AGEN | Stock Option | Award | 210,000 | 210,000 | 24 Apr 2026 | Direct | |||
| Garo H. Armen | AGEN | Common Stock | Award | 1% | 3,403 | 342,550 | 17 Apr 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.38% | 4,629 | 339,147 | 03 Apr 2026 | Direct | ||
| Thomas L. Harrison | AGEN | Common Stock | Award | 31% | 9,228 | 38,998 | 01 Apr 2026 | Direct | ||
| Timothy R. Wright | AGEN | Deferred Stock Units | Award | 10.2% | 2,448 | 26,361 | 01 Apr 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.21% | 3,983 | 334,518 | 20 Mar 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.53% | 4,994 | 330,535 | 06 Mar 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.51% | 4,829 | 325,541 | 20 Feb 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.59% | 5,027 | 320,712 | 06 Feb 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.47% | 4,562 | 315,685 | 23 Jan 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.23% | 3,780 | 311,123 | 09 Jan 2026 | Direct | ||
| Thomas L. Harrison | AGEN | Common Stock | Award | 34.8% | 7,691 | 29,770 | 02 Jan 2026 | Direct | ||
| Timothy R. Wright | AGEN | Deferred Stock Units | Award | 9.33% | 2,041 | 23,913 | 02 Jan 2026 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.63% | 4,942 | 307,343 | 26 Dec 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.45% | 4,316 | 302,401 | 12 Dec 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.22% | 3,587 | 298,085 | 28 Nov 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.3% | 3,769 | 294,498 | 14 Nov 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.44% | 4,120 | 290,729 | 31 Oct 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.49% | 4,216 | 286,609 | 17 Oct 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.42% | 3,951 | 282,393 | 03 Oct 2025 | Direct | ||
| Thomas L. Harrison | AGEN | Common Stock | Award | 35.5% | 5,780 | 22,079 | 01 Oct 2025 | Direct | ||
| Timothy R. Wright | AGEN | Deferred Stock Units | Award | 8.45% | 1,705 | 21,872 | 01 Oct 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.36% | 3,734 | 278,442 | 19 Sep 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.39% | 3,778 | 274,708 | 05 Sep 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.35% | 3,619 | 270,930 | 22 Aug 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.29% | 3,407 | 267,311 | 08 Aug 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.05% | 2,745 | 263,904 | 25 Jul 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 0.9% | 2,317 | 261,159 | 11 Jul 2025 | Direct | ||
| Thomas L. Harrison | AGEN | Common Stock | Award | 83.2% | 7,401 | 16,299 | 01 Jul 2025 | Direct | ||
| Timothy R. Wright | AGEN | Deferred Stock Units | Award | 15.5% | 2,708 | 20,168 | 01 Jul 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 1.35% | 3,436 | 258,842 | 27 Jun 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 31.6% | 61,397 | 255,406 | 18 Jun 2025 | Direct | ||
| Christine M. Klaskin | AGEN | Common Stock | Award | 205.1% | 15,782 | 23,478 | 18 Jun 2025 | Direct | ||
| Steven J. O'Day | AGEN | Common Stock | Award | 319.4% | 43,497 | 57,116 | 18 Jun 2025 | Direct | ||
| Thomas L. Harrison | AGEN | Stock Option | Award | 140% | 17,500 | 30,000 | 17 Jun 2025 | Direct | ||
| Timothy Wright | AGEN | Stock Option | Award | 15,750 | 15,000 | 17 Jun 2025 | Direct | |||
| Brian Corvese | AGEN | Stock Option | Award | 30,750 | 30,000 | 17 Jun 2025 | Direct | |||
| Susan B. Hirsch | AGEN | Stock Option | Award | 15,000 | 15,000 | 17 Jun 2025 | Direct | |||
| Garo H. Armen | AGEN | Stock Option | Award | 37,500 | 37,500 | 17 Jun 2025 | Direct | |||
| Christine M. Klaskin | AGEN | Stock Option | Award | 7,250 | 7,250 | 17 Jun 2025 | Direct | |||
| Garo H. Armen | AGEN | Common Stock | Award | 1.83% | 3,480 | 194,009 | 13 Jun 2025 | Direct | ||
| Garo H. Armen | AGEN | Common Stock | Award | 2.57% | 4,769 | 190,529 | 30 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.