Appeals Court Vacates Class Certification in Filana Therapeutics Securities Lawsuit

By Public Technologies
  • Fifth Circuit on Oct. 16, 2026, vacated class certification in a securities lawsuit against Filana Therapeutics and certain officers and employees.
  • The class covered purchasers or acquirers of the company's securities between Sept. 14, 2020, and Oct. 12, 2023.
  • The appeals court found the district court failed to evaluate market-inefficiency evidence or properly consider arguments about meme-stock dynamics.
  • The ruling did not determine whether the company's securities traded in an efficient or inefficient market.
  • Class certification proceedings will return to the U.S. District Court for the Western District of Texas.


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