Agenus Secures Dismissal of Investors’ Cancer Drug Class Action

March 25, 2026, 4:35 PM UTC

Biotechnology company Agenus Inc. and others are entitled to dismissal of a proposed class action alleging it violated securities laws by misleading investors about the effectiveness of an immuno-oncology product to treat colon cancer, a Massachusetts federal district court said.

Bryon Olsen, who sued in 2024, failed to adequately allege facts with particularity establishing false or misleading statements or loss causation, Judge Angel Kelley of the US District Court for the District of Massachusetts said in a Monday order granting a motion to dismiss.

The company develops immunotherapy treatments, including balstilimab and botensilimab to treat certain types of cancer.

Agenus ...

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