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.
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MANCHESTER MANAGEMENT COMPANY, LLC
By: /s/ James E. Besser | |
| Name: James E. Besser | |
| Title: Managing Member |
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MANCHESTER MANAGEMENT PR, LLC
By: /s/ James E. Besser | |
| Name: James E. Besser | |
| Title: Managing Member |
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JAMES E. BESSER
By: /s/ James E. Besser |
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MORGAN C. FRANK
By: /s/ Morgan C. Frank |