Shareholders of Altimmune, Inc. Should Contact The Gross Law Firm Before October 6, 2025 to Discuss Your Rights - ALT

NEXT STEPS FOR SHAREHOLDERS: Once you register as a shareholder who purchased shares of ALT during the timeframe listed above, you will be enrolled in a portfolio monitoring software to provide you with status updates throughout the lifecycle of the case. The deadline to seek to be a lead plaintiff is October 6, 2025. There is no cost or obligation to you to participate in this case. Shareholders who purchased shares of ALT during the class period listed are encouraged to contact the firm regarding possible ...