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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1098972	Agenus Inc	AGEN	Biological Products, (No Disgnostic Substances) (2836)	061562417

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
935679	H Garo Armen	162 Fifth Avenue Suite 900 New York NY 10010	Chairman & Ceo	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2011-08-16	2,150,976	$0.51	5,329,939	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	4,986,864	Indirect	By trusts, Armen Partners and Antigenics Holdings LLC

Footnotes

Dr. Armen is trustee and has investment authority for the Garo Armen 2009 2 Year GRAT and the Garo Armen 2009 4 Year GRAT, each holding 1,271,102 and 2,183,819 shares of Agenus Inc. common stock, respectively. Dr. Armen disclaims beneficial ownership therein. Dr. Armen is the General Partner of Armen Partners LP. As of the date of this report Armen Partners owns a total of 1,507,667 shares of Agenus Inc. common stock. Dr. Armen is also CEO, Chairman of the Board of Managers and a member of Antigenics Holdings LLC ("Holdings") which as of the date of this report owns 24,276 shares of Agenus Inc. common stock. Dr. Armen has a pecuniary interest in only a portion of the shares held by Armen Partners and Holdings, and disclaims beneficial ownership except to the extent of his pecuniary interest therein.