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.

Alpha Cognition Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Aug 13, 2026 Jun 30, 2026
8-K Current report
Officer or director change, Shareholder vote results
Jun 23, 2026 Jun 16, 2026
10-Q Quarterly report May 14, 2026 Mar 31, 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
8-K Current report
Material agreement
Apr 14, 2026 Apr 10, 2026
10-K Annual report Mar 31, 2026 Dec 31, 2025
8-K Current report
Regulation FD disclosure
Mar 27, 2026 Mar 27, 2026
8-K Current report
Results of operations
Mar 26, 2026 Mar 25, 2026
8-K Current report
Officer or director change
Feb 23, 2026 Feb 18, 2026
8-K Current report
Officer or director change
Jan 15, 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
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 —
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
8-K Current report
Officer or director change
Apr 10, 2025 Apr 7, 2025
10-K Annual report Mar 31, 2025 Dec 31, 2024
8-K Current report
Officer or director change
Feb 27, 2025 Feb 18, 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 —
10-Q Quarterly report Nov 14, 2024 Sep 30, 2024
424B4 Prospectus Nov 13, 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 —
DRS Filing Feb 9, 2024 —
D Filing Jan 31, 2024 —
D Filing Jan 5, 2024 —
D Filing Nov 20, 2023 —
D Filing Oct 19, 2023 —
D Filing Sep 12, 2023 —
D Filing Mar 28, 2023 —
D Filing Feb 28, 2023 —
D Filing Oct 18, 2021 —
D Filing Dec 28, 2020 —
D Filing May 1, 2020 —
D Filing Oct 9, 2019 —
D Filing Jul 20, 2018 —
D Filing Dec 19, 2017 —
D Filing Apr 26, 2016 —
D Filing Oct 16, 2015 —

Showing 130 filings. 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.

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)

Other Biological Products, (No Diagnostic Substances) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.