SAN DIEGO, Sept. 10, 2024 (GLOBE NEWSWIRE) -- Robbins LLP informs investors that a shareholder filed a class action on behalf of all persons and entities who purchased or otherwise acquired Agenus Inc. (NASDAQ: AGEN) securities between January 23, 2023 and July 17, 2024. Agenus is a clinical-stage biotechnology company that discovers and develops immuno-oncology (“I-O”) products in the U.S. and internationally. Among other product candidates, the Company is developing balstilimab, an anti-PD-1 antagonist th ...