Alpha Cognition Inc. — SCHEDULE 13G/A Filings
7 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A filings submitted to the SEC by Alpha Cognition Inc. (ACOG), sorted by most recent first. Each row links to the full filing on EdgarLookup. Alpha Cognition Inc. has filed 7 SCHEDULE 13G/A documents with the SEC since 2015. To view all SEC filings by Alpha Cognition Inc., see the full filings list.
All
10-K
10-Q
3
3/A
4
424B2
424B3
424B4
424B5
8-A12B
8-K
8-K/A
CERT
CORRESP
D
DEF 14A
DEFA14A
DRS
DRS/A
DRSLTR
EFFECT
POS AM
POS EX
S-1
S-1/A
S-1MEF
S-3
S-8
S-8 POS
SC 13D
SC 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0001493152-26-008847 | Mar 4, 2026 | — |
| SCHEDULE 13G/A | — | 0001493152-26-007652 | Feb 20, 2026 | — |
| SCHEDULE 13G/A | — | 0001493152-26-007593 | Feb 20, 2026 | — |
| SCHEDULE 13G/A | — | 0002073679-26-000040 | Feb 18, 2026 | — |
| SCHEDULE 13G/A | — | 0001193125-26-055106 | Feb 17, 2026 | — |
| SCHEDULE 13G/A | — | 0001535264-26-000009 | Feb 13, 2026 | — |
| SCHEDULE 13G/A | — | 0001535264-25-000010 | Feb 13, 2025 | — |