Class Action Filed Against Altimmune, Inc. – Investors with Losses Encouraged to Contact Johnson Fistel

SAN DIEGO, Sept. 12, 2025 (GLOBE NEWSWIRE) -- Shareholder rights law firm Johnson Fistel, PLLP, announces that a class action lawsuit has been filed on behalf of investors who purchased securities of Altimmune, Inc. (“Altimmune”) (NASDAQ: ALT) between August 10, 2023 and June 25, 2025, inclusive (the “Class Period”). If you wish to serve as lead plaintiff, you must move the Court no later than October 6, 2025. If you have incurred significant losses and want to act as the lead plaintiff in the class action ...