Form 4 Filing for Altimmune, Inc. (ALT)

This Form 4 filing details a transaction by John Gill, a director at Altimmune, Inc. On December 23, 2025, Mr. Gill acquired 12,500 shares of the company's common stock through a purchase transaction (Code "P"). The price per share was $4.10, resulting in a total transaction value of $51,250. Following this transaction, Mr. Gill directly owns 12,500 shares of Altimmune, Inc. common stock. The filing was signed by Gregory Weaver, acting as Attorney-in-Fact for Mr. Gill.