{"url_path":"/sec/cik-0001169253/13dg/2026-05-12/000091957426002904","section_key":"body","section_title":"SCHEDULE 13G/A body","topic":"sec","document":{"doc_type":"SCHEDULE 13G/A","doc_date":"2026-05-12","source_url":"https://www.sec.gov/Archives/edgar/data/1169253/0000919574-26-002904-index.html","accession_number":"0000919574-26-002904","cik":"0001169253","ticker":null,"issuer_name":"MANCHESTER MANAGEMENT CO LLC","edgar_url":"https://www.sec.gov/Archives/edgar/data/1169253/0000919574-26-002904-index.html","primary_entity_key":"0001169253","primary_entity_name":"MANCHESTER MANAGEMENT CO LLC"},"word_count":90,"has_tables":true,"body_markdown":"EX-99\n2\nd12159984_ex99-a.htm\n\nExhibit A\n\nJOINT FILING AGREEMENT\n\nThe undersigned agree that\nthis Schedule 13G Amendment No. 1 dated May 12, 2026 relating to the Common Stock, no par value, of Alpha Cognition Inc. shall be filed\non behalf of the undersigned.\n\nMANCHESTER MANAGEMENT COMPANY, LLC\n\nBy: /s/ James E. Besser\n\nName: James E. Besser\n\nTitle: Managing Member\n\nMANCHESTER MANAGEMENT PR, LLC\n\nBy: /s/ James E. Besser\n\nName: James E. Besser\n\nTitle: Managing Member\n\nJAMES E. BESSER\n\nBy: /s/ James E. Besser\n\nMORGAN C. FRANK\n\nBy: /s/ Morgan C. Frank"}