GAITHERSBURG, Md., Sept. 15, 2025 (GLOBE NEWSWIRE) -- Altimmune, Inc. (Nasdaq: ALT), a late clinical-stage biopharmaceutical company developing novel peptide-based therapeutics for liver and cardiometabolic diseases, today announced the appointment of Linda M. Richardson to the role of Chief Commercial Officer, effective September 16, 2025. Ms. Richardson joins the Company with more than 30 years of experience in sales and marketing, commercial, corporate and business development across a range of therapeut ...