ALTIMMUNE (NASDAQ: ALT) CLASS ACTION DEADLINE APPROACHING: Berger Montague Advises Investors to Inquire About a Securities Fraud Class Action by October 6, 2025

Core Viewpoint - Berger Montague PC is investigating claims against Altimmune, Inc. following a class action lawsuit related to the company's performance and disclosures regarding its clinical trials [1][3]. Group 1: Company Overview - Altimmune, Inc. is a clinical-stage biopharmaceutical company focused on developing therapeutics for obesity and liver disease, including MASH (metabolic dysfunction-associated steatohepatitis) [1]. Group 2: Legal Actions - A class action lawsuit has been filed against Altimmune, with investors who purchased securities between August 10, 2023, and June 25, 2025, having until October 6, 2025, to seek appointment as lead plaintiff [2]. - The lawsuit follows the announcement of topline results from Altimmune's IMPACT Phase 2b trial of Pemvidutide, which failed to achieve statistical significance in its primary endpoint [3][4]. Group 3: Financial Impact - Following the announcement of the trial results, Altimmune's stock price dropped from $7.71 on June 25, 2025, to $3.61 on June 26, representing a decline of over 53% in one day [4].