Agenus director Harrison acquires 4,443 shares

A director received shares for fees under a policy that uses the prior calendar quarter’s average closing price.

Rhea-AI Filing Summary

Agenus Inc. director Thomas L. Harrison acquired 4,443 shares of common stock on October 1, 2026, under the company’s Board Compensation Election Policy, which allows a director to elect to receive director fees in shares. The reported $6.893 per-share figure is the average closing price across all trading days in the calendar quarter immediately preceding issuance. Harrison’s directly held position after the acquisition was 51,988 shares.

Insider Trade Summary

Grant/Award: 4,443 shares

Grant/Award 1 txn

Insider HARRISON THOMAS L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	4,443	$6.893	$31K

Holdings After Transaction: Common Stock — 51,988 shares (Direct)

Footnotes (2)

1. F1. Acquired under the Agenus Inc. Board Compensation Election Policy pursuant to which a director may elect to receive their director fees in shares of Agenus' common stock.
2. F2. 6.893 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such shares were issued.

Key Figures

Shares acquired: 4,443 shares Average closing price: $6.893 per share Direct shares held after acquisition: 51,988 shares

3 metrics

Shares acquired 4,443 shares Common stock acquired October 1, 2026

Average closing price $6.893 per share Average for all trading days in the calendar quarter immediately preceding issuance

Direct shares held after acquisition 51,988 shares Thomas L. Harrison’s reported position following the transaction

Key Terms

Board Compensation Election Policy, director fees in shares, average closing price

3 terms

Board Compensation Election Policy financial

"under the Agenus Inc. Board Compensation Election Policy"

director fees in shares financial

"elect to receive their director fees in shares"

average closing price financial

"the average of the closing price"

The average closing price is the arithmetic mean of a security’s end-of-day prices over a chosen period, found by adding each day’s closing price and dividing by the number of days. It smooths out daily ups and downs to show a typical market value—like averaging daily temperatures to understand a month’s climate—and helps investors spot trends, judge whether a stock is generally rising or falling, and make clearer buy or sell decisions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many AGEN shares did director Thomas L. Harrison acquire?

Thomas L. Harrison acquired 4,443 shares of common stock on October 1, 2026, under the Board Compensation Election Policy, which allows a director to elect to receive director fees in shares.

How was the AGEN share price for Thomas L. Harrison’s acquisition determined?

The reported $6.893 per-share figure was the average closing price for all trading days during the calendar quarter immediately preceding the date the shares were issued.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/02/2026 - 03:22 PM Accepted by SEC EDGAR 10/02/2026 - 03:21 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HARRISON THOMAS L

(Last) (First) (Middle)

C/O AGENUS INC.

3 FORBES ROAD

(Street)

LEXINGTON MASSACHUSETTS 02421

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AGENUS INC [ AGEN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	10/01/2026		A		4,443	A	$6.893(2)	51,988	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Acquired under the Agenus Inc. Board Compensation Election Policy pursuant to which a director may elect to receive their director fees in shares of Agenus' common stock.

2. 6.893 is the average of the closing price for the Company's common stock for all trading days during the calendar quarter immediately preceding the date such shares were issued.

	/s/Melissa Orilall, as Attorney-in-Fact for Thomas Harrison	10/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)