Altimmune, Inc. (NASDAQ: ALT) Deadline Approaching: Berger Montague Advises Investors of Deadline in Securities Fraud Lawsuit

PHILADELPHIA, Oct. 1, 2025 /PRNewswire/ -- National plaintiffs' law firm Berger Montague PC announces a class action lawsuit against Altimmune Inc. (NASDAQ: ALT) ("Altimmune" or the "Company") on behalf of investors who purchased or otherwise acquired publicly traded securities of Altimmune between August 10, 2023 through June 25, 2025 (the "Class Period").

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