Jennifer Buell - 24 Apr 2026 Form 4 Insider Report for AGENUS INC (AGEN)

Reporting relationship: Chairman of the Executive Counsel, Director
Issuer ticker: AGEN
Reported as of: 24 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Apr 2026, 16:15:10 UTC
Prior SEC filing: 14 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/Austin Charette, as Attorney-in-Fact for Jennifer Buell

Key filing fact

Jennifer Buell filed Form 4 for AGENUS INC (AGEN) on 28 Apr 2026.

Key facts

This page summarizes Jennifer Buell's Form 4 filing for AGENUS INC (AGEN).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 28 Apr 2026, 16:15.

Change

Previous filing in this sequence was filed on 14 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001711184 Primary reporting owner

Buell Jennifer

Relationship: Chairman of the Executive Counsel, Director
Address: C/O AGENUS INC., 3 FORBES ROAD, LEXINGTON
Signature: /s/Austin Charette, as Attorney-in-Fact for Jennifer Buell
Signature date: 28 Apr 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AGEN transaction Derivative

Stock Option

Award

Transaction value
Shares: +300,000
Change %
Price: $0.000000^*
Shares after: 300,000
Date: 24 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 300,000
Exercise price: $3.90
Footnotes: F1

AGEN transaction Derivative

Stock Option

Award

Transaction value
Shares: +5,000
Change %
Price: $0.000000^*
Shares after: 5,000
Date: 24 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,000
Exercise price: $3.90
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Option awarded in accordance with the Agenus Inc. 2019 Amended and Restated Equity Incentive Plan, and vests over three years with one-third of the award vesting on April 24, 2027 and the balance vesting in equal quarterly installments thereafter.

SEC remarks

Chairman of the Executive Counsel