Form 4 Filing for Altimmune, Inc. - Wayne Pisano

This filing details a grant of 48,800 stock options to Wayne Pisano, a director at Altimmune, Inc. The options were granted on May 1, 2026, with an exercise price of $2.82 per share and an expiration date of May 1, 2036. These options are exercisable over 12 months following the grant date, contingent upon continued service. The options were issued under the company's non-employee director compensation policy. The filing also indicates that Mr. Pisano holds these options indirectly.