Christophe Arbet-Engels - Oct 1, 2025 Form 3 Insider Report for Altimmune, Inc. (ALT)

Signature
/s/ Gregory Weaver, as Attorney-in-Fact
Stock symbol
ALT
Transactions as of
Oct 1, 2025
Transactions value $
$0
Form type
3
Date filed
10/3/2025, 04:21 PM
Previous filing
Feb 14, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Arbet-Engels Christophe Chief Medical Officer C/O ALTIMMUNE, INC., 910 CLOPPER ROAD, SUITE 201S, GAITHERSBURG /s/ Gregory Weaver, as Attorney-in-Fact 2025-10-03 0001802615

No securities are beneficially owned.

Remarks:

Exhibit 24 - Power of Attorney