Alpha Cognition Inc. SEC EDGAR Filings (CIK 0001655923)

SEC EDGAR filings, ownership reports, and insider transactions for Alpha Cognition Inc..

Symbol
ACOG on Nasdaq
Industry
Biological Products, (No Disgnostic Substances) (Office Of Life Sciences)
Business address
1452 Hughes Rd., Ste. 200, Grapevine, TX, 76051
State of incorporation
British Columbia, Canada
Fiscal year end
31 December
Former names
Neurodyn Cognition Inc. (to 09 Oct 2019)
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Alpha Cognition Inc. has filed 158 SEC EDGAR filings since 16 Oct 2015

Latest Filings

Recent SEC filings for Alpha Cognition Inc. including 4, 8-K, S-8 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 16 Jan 2026 14 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 16 Jan 2026 14 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 16 Jan 2026 14 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 16 Jan 2026 14 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 16 Jan 2026 14 Jan 2026
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 15 Jan 2026 09 Jan 2026 001-42403
4 Open 4 document View SEC filing for 4 FORM 4 13 Jan 2026 09 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 13 Jan 2026 09 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 13 Jan 2026 09 Jan 2026
S-8 Open S-8 document | Open XBRL data View SEC filing for S-8 REGISTRATION STATEMENT 13 Jan 2026 333-292687
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Nov 2025 30 Sep 2025 001-42403
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A AMENDMENT TO FORM 8-K 15 Oct 2025 10 Oct 2025 001-42403
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 14 Oct 2025 10 Oct 2025 001-42403
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 03 Oct 2025 005-94748
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 02 Oct 2025 30 Sep 2025 001-42403
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 01 Oct 2025 333-289792
424B5 Open 424B5 document View SEC filing for 424B5 PROSPECTUS SUPPLEMENT 30 Sep 2025 333-289792
EFFECT Open EFFECT document View SEC filing for EFFECT 29 Aug 2025 333-289792
424B2 Open 424B2 document View SEC filing for 424B2 PROSPECTUS SUPPLEMENT 29 Aug 2025 333-289792
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 29 Aug 2025 333-289792
CORRESP Open CORRESP document View SEC filing for CORRESP 28 Aug 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Aug 2025 333-289792
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 22 Aug 2025 22 Aug 2025 001-42403
S-3 Open S-3 document | Open XBRL data View SEC filing for S-3 REGISTRATION STATEMENT 22 Aug 2025 333-289792
4 Open 4 document View SEC filing for 4 21 Aug 2025 18 Aug 2025
4 Open 4 document View SEC filing for 4 20 Aug 2025 18 Aug 2025
4 Open 4 document View SEC filing for 4 20 Aug 2025 18 Aug 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Aug 2025 30 Jun 2025 001-42403
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 05 Aug 2025 333-288823
EFFECT Open EFFECT document View SEC filing for EFFECT 25 Jul 2025 333-288823
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Jul 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Jul 2025 333-288823
S-3 Open S-3 document View SEC filing for S-3 REGISTRATION STATEMENT 21 Jul 2025 333-288823
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 17 Jul 2025 333-288454
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Jul 2025 333-288454
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Jul 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 03 Jul 2025 333-288454
S-3 Open S-3 document View SEC filing for S-3 REGISTRATION STATEMENT 01 Jul 2025 333-288454
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 23 Jun 2025 19 Jun 2025 001-42403
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 May 2025 31 Mar 2025 001-42403
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 06 May 2025 001-42403
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 06 May 2025 001-42403
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A PROXY STATEMENT 30 Apr 2025 19 Jun 2025 001-42403
4 Open 4 document View SEC filing for 4 29 Apr 2025 25 Feb 2025
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 16 Apr 2025 005-94748
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 10 Apr 2025 07 Apr 2025 001-42403
4 Open 4 document View SEC filing for 4 09 Apr 2025 07 Apr 2025
3 Open 3 document View SEC filing for 3 09 Apr 2025 07 Apr 2025
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 31 Mar 2025 31 Dec 2024 001-42403
4 Open 4 document View SEC filing for 4 27 Feb 2025 25 Feb 2025
4 Open 4 document View SEC filing for 4 27 Feb 2025 25 Feb 2025
4 Open 4 document View SEC filing for 4 27 Feb 2025 25 Feb 2025
4 Open 4 document View SEC filing for 4 27 Feb 2025 25 Feb 2025
4 Open 4 document View SEC filing for 4 27 Feb 2025 25 Feb 2025
4 Open 4 document View SEC filing for 4 27 Feb 2025 25 Feb 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 27 Feb 2025 18 Feb 2025 001-42403
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Feb 2025 005-94748
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Feb 2025 005-94748
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 Feb 2025 005-94748
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 13 Feb 2025 005-94748
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 31 Jan 2025 005-94748
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 15 Jan 2025 333-278997
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 15 Jan 2025 333-284104
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Jan 2025 333-284104
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Jan 2025 333-278997
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Jan 2025
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Jan 2025
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POST-EFFECTIVE AMENDMENT 10 Jan 2025 333-278997
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A REGISTRATION STATEMENT 10 Jan 2025 333-284104
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 03 Jan 2025 333-284104
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POST-EFFECTIVE AMENDMENT 31 Dec 2024 333-278997
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 REGISTRATION STATEMENT 31 Dec 2024 333-284104
S-8 POS Open S-8 POS document View SEC filing for S-8 POS POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 31 Dec 2024 333-282666
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 20 Dec 2024 16 Dec 2024 001-42403
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 18 Nov 2024 12 Nov 2024 001-42403
D Open D document View SEC filing for D 18 Nov 2024 021-529724
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 15 Nov 2024 005-94748
SC 13D Open SC 13D document View SEC filing for SC 13D 15 Nov 2024 005-94748
4 Open 4 document View SEC filing for 4 15 Nov 2024 13 Nov 2024
4 Open 4 document View SEC filing for 4 15 Nov 2024 13 Nov 2024
4 Open 4 document View SEC filing for 4 15 Nov 2024 13 Nov 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2024 30 Sep 2024 001-42403
3 Open 3 document View SEC filing for 3 13 Nov 2024 12 Nov 2024
424B4 Open 424B4 document View SEC filing for 424B4 PROSPECTUS 13 Nov 2024 333-280196
3 Open 3 document View SEC filing for 3 12 Nov 2024 12 Nov 2024
3 Open 3 document View SEC filing for 3 12 Nov 2024 12 Nov 2024
3 Open 3 document View SEC filing for 3 12 Nov 2024 12 Nov 2024
3 Open 3 document View SEC filing for 3 12 Nov 2024 12 Nov 2024
3 Open 3 document View SEC filing for 3 12 Nov 2024 12 Nov 2024
3 Open 3 document View SEC filing for 3 12 Nov 2024 12 Nov 2024
3 Open 3 document View SEC filing for 3 12 Nov 2024 12 Nov 2024
CERT Open CERT document View SEC filing for CERT 12 Nov 2024 001-42403
S-1MEF Open S-1MEF document View SEC filing for S-1MEF REGISTRATION STATEMENT 12 Nov 2024 333-283126
POS EX Open POS EX document View SEC filing for POS EX POST-EFFECTIVE AMENDMENT 12 Nov 2024 333-280196
EFFECT Open EFFECT document View SEC filing for EFFECT 08 Nov 2024 333-280196
8-A12B Open 8-A12B document View SEC filing for 8-A12B FOR REGISTRATION OF CERTAIN CLASSES 08 Nov 2024 001-42403
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Nov 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Nov 2024
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A REGISTRATION STATEMENT 06 Nov 2024 333-280196
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 05 Nov 2024 30 Oct 2024 333-278997
CORRESP Open CORRESP document View SEC filing for CORRESP 25 Oct 2024
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A REGISTRATION STATEMENT 25 Oct 2024 333-280196
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 25 Oct 2024 333-282675
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 Oct 2024 21 Oct 2024 333-278997
EFFECT Open EFFECT document View SEC filing for EFFECT 23 Oct 2024 333-282675
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 23 Oct 2024 377-07258
CORRESP Open CORRESP document View SEC filing for CORRESP 21 Oct 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Oct 2024 333-282675
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 REGISTRATION STATEMENT 16 Oct 2024 333-282675
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A REGISTRATION STATEMENT 16 Oct 2024 333-280196
S-8 Open S-8 document View SEC filing for S-8 REGISTRATION STATEMENT 16 Oct 2024 333-282666
D Open D document View SEC filing for D 09 Oct 2024 021-526363
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 09 Oct 2024 08 Oct 2024 333-278997
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 03 Oct 2024 27 Sep 2024 333-278997
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A CURRENT REPORT 26 Sep 2024 24 Sep 2024 333-278997
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 25 Sep 2024 24 Sep 2024 333-278997
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 28 Aug 2024 28 Aug 2024 333-278997
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 27 Aug 2024 27 Aug 2024 333-278997
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 15 Aug 2024 333-278997
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 13 Aug 2024 12 Aug 2024 333-278997
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 12 Aug 2024 30 Jun 2024 333-278997
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 09 Aug 2024 06 Aug 2024 333-278997
S-1/A Open S-1/A document View SEC filing for S-1/A REGISTRATION STATEMENT 30 Jul 2024 333-280196
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 29 Jul 2024 29 Jul 2024 333-278997
8-K Open 8-K document View SEC filing for 8-K CURRENT REPORT 14 Jun 2024 10 Jun 2024 333-278997
S-1 Open S-1 document View SEC filing for S-1 REGISTRATION STATEMENT 14 Jun 2024 333-280196
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 10 Jun 2024 333-278997
EFFECT Open EFFECT document View SEC filing for EFFECT 07 Jun 2024 333-278997
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Jun 2024
DRS Open DRS document View SEC filing for DRS 04 Jun 2024 377-07258
S-1/A Open S-1/A document View SEC filing for S-1/A REGISTRATION STATEMENT 04 Jun 2024 333-278997
CORRESP Open CORRESP document View SEC filing for CORRESP 22 May 2024
S-1/A Open S-1/A document View SEC filing for S-1/A REGISTRATION STATEMENT 22 May 2024 333-278997
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 May 2024 377-07090
CORRESP Open CORRESP document View SEC filing for CORRESP 10 May 2024
S-1/A Open S-1/A document View SEC filing for S-1/A REGISTRATION STATEMENT 10 May 2024 333-278997
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 May 2024 377-07090
S-1 Open S-1 document View SEC filing for S-1 REGISTRATION STATEMENT 30 Apr 2024 333-278997
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 23 Apr 2024
DRS/A Open DRS/A document View SEC filing for DRS/A 23 Apr 2024 377-07090
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 Apr 2024 377-07090
DRS/A Open DRS/A document View SEC filing for DRS/A 21 Mar 2024 377-07090
DRS Open DRS document View SEC filing for DRS 09 Feb 2024 377-07090
D Open D document View SEC filing for D 31 Jan 2024 021-504048
D Open D document View SEC filing for D 05 Jan 2024 021-501751
D Open D document View SEC filing for D 20 Nov 2023 021-497665
D Open D document View SEC filing for D 19 Oct 2023 021-495209
D Open D document View SEC filing for D 12 Sep 2023 021-491869
D Open D document View SEC filing for D 28 Mar 2023 021-477050
D Open D document View SEC filing for D 28 Feb 2023 021-474403
D Open D document View SEC filing for D 18 Oct 2021 021-417286
D Open D document View SEC filing for D 28 Dec 2020 021-384386
D Open D document View SEC filing for D 01 May 2020 021-366136
D Open D document View SEC filing for D 09 Oct 2019 021-350728
D Open D document View SEC filing for D 20 Jul 2018 021-317450
D Open D document View SEC filing for D 19 Dec 2017 021-301140
D Open D document View SEC filing for D 26 Apr 2016 021-262043
D Open D document View SEC filing for D 16 Oct 2015 021-249585-01

About this filer

Alpha Cognition Inc. files with the SEC under CIK 0001655923. This page aggregates EDGAR filings and related ownership activity.

Industry: Biological Products, (No Disgnostic Substances).

See insider transactions for this issuer.

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