Company · CIK 1655923 # Alpha Cognition Inc. | CIK | [1655923](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001655923) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2836 — Biological Products, (No Diagnostic Substances) | | Incorporated in | A1 | | Business address | TX | | Listed | ACOG (Nasdaq) | | First annual or quarterly report | 2024-08-12 | ## Offerings 7 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-289792 | Shelf Effective | 2025-08-22 | 2025-10-01 | 4 | | 333-288823 | Shelf Effective | 2025-07-21 | 2025-07-25 | 2 | | 333-288454 | Shelf Effective | 2025-07-01 | 2025-07-08 | 2 | | 333-278997 | First-time registration Effective | 2024-04-30 | 2025-01-13 | 6 | | 333-284104 | Registered company Effective | 2024-12-31 | 2025-01-13 | 3 | | 333-280196 | IPO Final prospectus | 2024-06-14 | 2024-11-13 | 7 | | 333-282675 | Registered company Effective | 2024-10-16 | 2024-10-23 | 2 | ## Filings 28 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2025-10-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1655923/000121390025094786/0001213900-25-094786-index.htm) Shelf takedown | 333-289792 | 0001213900-25-094786 | | 2025-09-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1655923/000121390025094024/0001213900-25-094024-index.htm) Shelf takedown | 333-289792 | 0001213900-25-094024 | | 2025-08-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999525002794/9999999995-25-002794-index.htm) Declared effective | 333-289792 | 9999999995-25-002794 | | 2025-08-22 | [S-3](https://www.sec.gov/Archives/edgar/data/1655923/000121390025079892/0001213900-25-079892-index.htm) Shelf registered | 333-289792 | 0001213900-25-079892 | | 2025-07-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999525002363/9999999995-25-002363-index.htm) Declared effective | 333-288823 | 9999999995-25-002363 | | 2025-07-21 | [S-3](https://www.sec.gov/Archives/edgar/data/1655923/000121390025066219/0001213900-25-066219-index.htm) Shelf registered | 333-288823 | 0001213900-25-066219 | | 2025-07-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999525002195/9999999995-25-002195-index.htm) Declared effective | 333-288454 | 9999999995-25-002195 | | 2025-07-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1655923/000121390025060388/0001213900-25-060388-index.htm) Shelf registered | 333-288454 | 0001213900-25-060388 | | 2025-01-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999525000093/9999999995-25-000093-index.htm) Declared effective | 333-284104 | 9999999995-25-000093 | | 2025-01-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999525000085/9999999995-25-000085-index.htm) Declared effective | 333-278997 | 9999999995-25-000085 | | 2025-01-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000121390025002277/0001213900-25-002277-index.htm) Amendment | 333-284104 | 0001213900-25-002277 | | 2024-12-31 | [S-1](https://www.sec.gov/Archives/edgar/data/1655923/000121390024114064/0001213900-24-114064-index.htm) Registration filed | 333-284104 | 0001213900-24-114064 | | 2024-11-13 | [424B4](https://www.sec.gov/Archives/edgar/data/1655923/000121390024097035/0001213900-24-097035-index.htm) Final prospectus | 333-280196 | 0001213900-24-097035 | | 2024-11-08 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999524003416/9999999995-24-003416-index.htm) Declared effective | 333-280196 | 9999999995-24-003416 | | 2024-11-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000121390024094839/0001213900-24-094839-index.htm) Amendment | 333-280196 | 0001213900-24-094839 | | 2024-10-25 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000121390024090875/0001213900-24-090875-index.htm) Amendment | 333-280196 | 0001213900-24-090875 | | 2024-10-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999524003253/9999999995-24-003253-index.htm) Declared effective | 333-282675 | 9999999995-24-003253 | | 2024-10-16 | [S-1](https://www.sec.gov/Archives/edgar/data/1655923/000121390024088116/0001213900-24-088116-index.htm) Registration filed | 333-282675 | 0001213900-24-088116 | | 2024-10-16 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000121390024088111/0001213900-24-088111-index.htm) Amendment | 333-280196 | 0001213900-24-088111 | | 2024-07-30 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000101376224002238/0001013762-24-002238-index.htm) Amendment | 333-280196 | 0001013762-24-002238 | | 2024-06-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1655923/000121390024052607/0001213900-24-052607-index.htm) Registration filed | 333-280196 | 0001213900-24-052607 | | 2024-06-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1655923/999999999524001784/9999999995-24-001784-index.htm) Declared effective | 333-278997 | 9999999995-24-001784 | | 2024-06-04 | [DRS](https://www.sec.gov/Archives/edgar/data/1655923/000121390024049510/0001213900-24-049510-index.htm) Draft made public | 377-07258 | 0001213900-24-049510 | | 2024-06-04 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000121390024049203/0001213900-24-049203-index.htm) Amendment | 333-278997 | 0001213900-24-049203 | | 2024-05-22 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000121390024045921/0001213900-24-045921-index.htm) Amendment | 333-278997 | 0001213900-24-045921 | | 2024-05-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1655923/000121390024041780/0001213900-24-041780-index.htm) Amendment | 333-278997 | 0001213900-24-041780 | | 2024-04-30 | [S-1](https://www.sec.gov/Archives/edgar/data/1655923/000121390024037413/0001213900-24-037413-index.htm) Registration filed | 333-278997 | 0001213900-24-037413 | | 2024-02-09 | [DRS](https://www.sec.gov/Archives/edgar/data/1655923/000121390024011894/0001213900-24-011894-index.htm) Draft made public | 377-07090 | 0001213900-24-011894 | [All filings of this company](https://equitycapital.markets/filings?cik=1655923) · [CSV](https://equitycapital.markets/filings.csv?cik=1655923) --- Source page: https://equitycapital.markets/company/1655923 · Data: U.S. SEC EDGAR · CC BY 4.0