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Biohaven Investors Face Sept. 12 Deadline in Securities Class Action

The Connecticut case claims the company misled the market on the prospects of two key drug programs.

Overview

  • Investors must file any motion to serve as lead plaintiff by September 12, 2025.
  • The lawsuit is filed in the U.S. District Court for the District of Connecticut and covers purchases from March 24, 2023 through May 14, 2025.
  • The complaint alleges Biohaven overstated troriluzole’s regulatory outlook and the sufficiency of data in its NDA for spinocerebellar ataxia.
  • It further alleges BHV-7000’s efficacy and clinical prospects for bipolar disorder were overstated, citing stock drops following disclosures on July 27, 2023, March 3, 2025, April 25, 2025, and May 14, 2025.
  • Multiple firms, including Rosen, Portnoy, The Gross Law Firm, and Bragar Eagel & Squire, are recruiting investors, and no class has been certified.