Alpha Cognition Inc. SEC filings ACOG
Alpha Cognition Inc. has 216 filings in SEC EDGAR's recent list, going back to Oct 16, 2015. Its latest annual report, Form 10-K, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Jun 23, 2026 (officer or director change, shareholder vote results). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 19, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 28, 2026 | Sep 24, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Sep 23, 2026 | — |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Aug 24, 2026 | Aug 21, 2026 |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Jul 28, 2026 | Jul 24, 2026 |
| 4 | Insider transaction | Jul 24, 2026 | Jul 22, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 24, 2026 | — |
| 4 | Insider transaction | Jun 29, 2026 | Jun 25, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 29, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 23, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 15, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 9, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 22, 2026 | — |
| 4 | Insider transaction | May 19, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 11, 2026 | — |
| 8-K/A |
Amended current report
Officer or director change
|
May 1, 2026 | Apr 15, 2026 |
| DEFA14A | Additional proxy material | Apr 30, 2026 | — |
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 16, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 20, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 16, 2026 |
| 3 | Initial insider ownership | Apr 17, 2026 | Apr 15, 2026 |
| 8-K |
Current report
Material agreement
|
Apr 14, 2026 | Apr 10, 2026 |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Mar 31, 2026 | Mar 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 27, 2026 | Mar 27, 2026 |
| 4 | Insider transaction | Mar 26, 2026 | Mar 24, 2026 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2026 | Mar 25, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 4, 2026 | — |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 23, 2026 | Feb 18, 2026 |
| 3/A | Filing | Feb 20, 2026 | Feb 19, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 20, 2026 | — |
| 3 | Initial insider ownership | Feb 20, 2026 | Feb 19, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 20, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 19, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 18, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 6, 2026 | — |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 4 | Insider transaction | Jan 16, 2026 | Jan 14, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 15, 2026 | Jan 9, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Jan 9, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Jan 9, 2026 |
| 4 | Insider transaction | Jan 13, 2026 | Jan 9, 2026 |
| S-8 | Employee stock plan registration | Jan 13, 2026 | — |
| 10-Q | Quarterly report | Nov 13, 2025 | Sep 30, 2025 |
| 8-K/A |
Amended current report
Auditor change
|
Oct 15, 2025 | Oct 10, 2025 |
| 8-K |
Current report
Auditor change
|
Oct 14, 2025 | Oct 10, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 3, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Oct 2, 2025 | Sep 30, 2025 |
| 424B5 | Prospectus supplement | Oct 1, 2025 | — |
| 424B5 | Prospectus supplement | Sep 30, 2025 | — |
| EFFECT | Filing | Aug 29, 2025 | — |
| 424B2 | Prospectus | Aug 29, 2025 | — |
| 424B3 | Prospectus | Aug 29, 2025 | — |
| CORRESP | Letter to the SEC | Aug 28, 2025 | — |
| UPLOAD | Letter from the SEC | Aug 28, 2025 | — |
| 8-K |
Current report
Material agreement
|
Aug 22, 2025 | Aug 22, 2025 |
| S-3 | Shelf registration | Aug 22, 2025 | — |
| 4 | Insider transaction | Aug 21, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 424B3 | Prospectus | Aug 5, 2025 | — |
| EFFECT | Filing | Jul 25, 2025 | — |
| CORRESP | Letter to the SEC | Jul 23, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 23, 2025 | — |
| S-3 | Shelf registration | Jul 21, 2025 | — |
| 424B3 | Prospectus | Jul 17, 2025 | — |
| EFFECT | Filing | Jul 8, 2025 | — |
| CORRESP | Letter to the SEC | Jul 3, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 3, 2025 | — |
| S-3 | Shelf registration | Jul 1, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 23, 2025 | Jun 19, 2025 |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| DEFA14A | Additional proxy material | May 6, 2025 | — |
| DEFA14A | Additional proxy material | May 6, 2025 | — |
| DEF 14A | Proxy statement | Apr 30, 2025 | Jun 19, 2025 |
| 4 | Insider transaction | Apr 29, 2025 | Feb 25, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 16, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Apr 10, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 9, 2025 | Apr 7, 2025 |
| 3 | Initial insider ownership | Apr 9, 2025 | Apr 7, 2025 |
| 10-K | Annual report | Mar 31, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 4 | Insider transaction | Feb 27, 2025 | Feb 25, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 27, 2025 | Feb 18, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 31, 2025 | — |
| 424B3 | Prospectus | Jan 15, 2025 | — |
| 424B3 | Prospectus | Jan 15, 2025 | — |
| EFFECT | Filing | Jan 13, 2025 | — |
| EFFECT | Filing | Jan 13, 2025 | — |
| CORRESP | Letter to the SEC | Jan 10, 2025 | — |
| CORRESP | Letter to the SEC | Jan 10, 2025 | — |
| POS AM | Post-effective amendment | Jan 10, 2025 | — |
| S-1/A | Amended registration statement | Jan 10, 2025 | — |
| UPLOAD | Letter from the SEC | Jan 3, 2025 | — |
| POS AM | Post-effective amendment | Dec 31, 2024 | — |
| S-1 | Registration statement | Dec 31, 2024 | — |
| S-8 POS | Post-effective amendment no. 1 to form s-8 | Dec 31, 2024 | — |
| 8-K |
Current report
Unregistered share sale
|
Dec 20, 2024 | Dec 16, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights
|
Nov 18, 2024 | Nov 12, 2024 |
| D | Filing | Nov 18, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2024 | — |
| SC 13D | Ownership over 5% (active) | Nov 15, 2024 | — |
| 4 | Insider transaction | Nov 15, 2024 | Nov 13, 2024 |
| 4 | Insider transaction | Nov 15, 2024 | Nov 13, 2024 |
| 4 | Insider transaction | Nov 15, 2024 | Nov 13, 2024 |
| 10-Q | Quarterly report | Nov 14, 2024 | Sep 30, 2024 |
| 3 | Initial insider ownership | Nov 13, 2024 | Nov 12, 2024 |
| 424B4 | Prospectus | Nov 13, 2024 | — |
| 3 | Initial insider ownership | Nov 12, 2024 | Nov 12, 2024 |
| 3 | Initial insider ownership | Nov 12, 2024 | Nov 12, 2024 |
| 3 | Initial insider ownership | Nov 12, 2024 | Nov 12, 2024 |
| 3 | Initial insider ownership | Nov 12, 2024 | Nov 12, 2024 |
| 3 | Initial insider ownership | Nov 12, 2024 | Nov 12, 2024 |
| 3 | Initial insider ownership | Nov 12, 2024 | Nov 12, 2024 |
| 3 | Initial insider ownership | Nov 12, 2024 | Nov 12, 2024 |
| CERT | Filing | Nov 12, 2024 | — |
| S-1MEF | Registration statement | Nov 12, 2024 | — |
| POS EX | Post-effective amendment | Nov 12, 2024 | — |
| EFFECT | Filing | Nov 8, 2024 | — |
| 8-A12B | For registration of certain classes | Nov 8, 2024 | — |
| CORRESP | Letter to the SEC | Nov 6, 2024 | — |
| CORRESP | Letter to the SEC | Nov 6, 2024 | — |
| S-1/A | Amended registration statement | Nov 6, 2024 | — |
| 8-K |
Current report
Change to shareholder rights
|
Nov 5, 2024 | Oct 30, 2024 |
| CORRESP | Letter to the SEC | Oct 25, 2024 | — |
| S-1/A | Amended registration statement | Oct 25, 2024 | — |
| 424B3 | Prospectus | Oct 25, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Oct 24, 2024 | Oct 21, 2024 |
| EFFECT | Filing | Oct 23, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 23, 2024 | — |
| CORRESP | Letter to the SEC | Oct 21, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 21, 2024 | — |
| S-1 | Registration statement | Oct 16, 2024 | — |
| S-1/A | Amended registration statement | Oct 16, 2024 | — |
| S-8 | Employee stock plan registration | Oct 16, 2024 | — |
| D | Filing | Oct 9, 2024 | — |
| 8-K |
Current report
Officer or director change
|
Oct 9, 2024 | Oct 8, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Oct 3, 2024 | Sep 27, 2024 |
| 8-K/A | Amended current report | Sep 26, 2024 | Sep 24, 2024 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Sep 25, 2024 | Sep 24, 2024 |
| 8-K |
Current report
Other events
|
Aug 28, 2024 | Aug 28, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 27, 2024 | Aug 27, 2024 |
| 424B3 | Prospectus | Aug 15, 2024 | — |
| 8-K |
Current report
Results of operations
|
Aug 13, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 12, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Change to shareholder rights
|
Aug 9, 2024 | Aug 6, 2024 |
| S-1/A | Amended registration statement | Jul 30, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 29, 2024 | Jul 29, 2024 |
| 8-K |
Current report
Material agreement
|
Jun 14, 2024 | Jun 10, 2024 |
| S-1 | Registration statement | Jun 14, 2024 | — |
| 424B3 | Prospectus | Jun 10, 2024 | — |
| EFFECT | Filing | Jun 7, 2024 | — |
| CORRESP | Letter to the SEC | Jun 6, 2024 | — |
| DRS | Filing | Jun 4, 2024 | — |
| S-1/A | Amended registration statement | Jun 4, 2024 | — |
| CORRESP | Letter to the SEC | May 22, 2024 | — |
| S-1/A | Amended registration statement | May 22, 2024 | — |
| UPLOAD | Letter from the SEC | May 21, 2024 | — |
| CORRESP | Letter to the SEC | May 10, 2024 | — |
| S-1/A | Amended registration statement | May 10, 2024 | — |
| UPLOAD | Letter from the SEC | May 8, 2024 | — |
| S-1 | Registration statement | Apr 30, 2024 | — |
| DRSLTR | Filing | Apr 23, 2024 | — |
| DRS/A | Filing | Apr 23, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 17, 2024 | — |
| DRS/A | Filing | Mar 21, 2024 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- ACOG (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- British Columbia, Canada
- Headquarters
- Grapevine, TX
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1655923
- Former names
- Neurodyn Cognition Inc. (until Oct 9, 2019)
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.