Bragar Eagel & Squire, P.C. Litigation Partner Brandon Walker Encourages Investors Who Suffered Losses In Altimmune (ALT) To Contact Him Directly To Discuss Their Options If you purchased or acquired securities in Altimmune between August 10, 2023 and June 25, 2025 and would like to discuss your legal rights, call Bragar Eagel & Squire partner Brandon Walker or Marion Passmore directly at (212) 355-4648. Click here to participate in the action. NEW YORK, Sept. 24, 2025 (GLOBE NEWSWIRE) -- What’s Happening: ...