Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G Amendment No. 1 dated May 12, 2026 relating to the Common Stock, no par value, of Alpha Cognition Inc. shall be filed on behalf of the undersigned.

 

 

MANCHESTER MANAGEMENT COMPANY, LLC

 

By: /s/ James E. Besser

  Name: James E. Besser
  Title:   Managing Member

 

 

MANCHESTER MANAGEMENT PR, LLC

 

By: /s/ James E. Besser

  Name: James E. Besser
  Title:   Managing Member

 

 

JAMES E. BESSER

 

By: /s/ James E. Besser

 

 

 

MORGAN C. FRANK

 

By: /s/ Morgan C. Frank