NEW YORK, June 16, 2024 (GLOBE NEWSWIRE) -- Rosen Law Firm, a global investor rights law firm, reminds purchasers of securities of Altimmune, Inc. (NASDAQ: ALT) between December 1, 2023 and April 26, 2024, both dates inclusive (the “Class Period”), shareholders who want to serve as lead plaintiff for the class must file their motions with the court by July 5, 2024. If you purchased Altimmune securities during the Class Period you may be entitled to compensation without payment of any out of pocket fees or c ...