Acumen Pharmaceuticals, Inc.

Symbol
ABOS on Nasdaq
Business address
1210 1220 Washington Street, Suite 210, Newton, MA, 02465
State of incorporation
DE
Fiscal year end
31 December
Get insider transactions for this issuer
Acumen Pharmaceuticals, Inc. has filed 254 SEC EDGAR filings since 15 May 2013

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
424B5 Open Document Open Filing 424B5 13 Nov 2025 333-278280
10-Q Open Document | Data Open Filing 10-Q 12 Nov 2025 30 Sep 2025 001-40551
8-K Open Document | Data Open Filing 8-K 12 Nov 2025 12 Nov 2025 001-40551
4 Open Document Open Filing FORM 4 10 Nov 2025 06 Nov 2025
3 Open Document Open Filing FORM 3 10 Nov 2025 06 Nov 2025
8-K Open Document | Data Open Filing 8-K 10 Nov 2025 06 Nov 2025 001-40551
SCHEDULE 13G/A Open Document Open Filing 04 Nov 2025 005-92677
SCHEDULE 13G/A Open Document Open Filing 13 Aug 2025 005-92677
10-Q Open Document | Data Open Filing 10-Q 12 Aug 2025 30 Jun 2025 001-40551
8-K Open Document | Data Open Filing 8-K 12 Aug 2025 12 Aug 2025 001-40551
8-K Open Document | Data Open Filing 8-K 15 Jul 2025 15 Jul 2025 001-40551
4 Open Document Open Filing 05 Jun 2025 04 Jun 2025
4 Open Document Open Filing FORM 4 05 Jun 2025 04 Jun 2025
4 Open Document Open Filing FORM 4 05 Jun 2025 04 Jun 2025
4 Open Document Open Filing FORM 4 05 Jun 2025 04 Jun 2025
4 Open Document Open Filing FORM 4 05 Jun 2025 04 Jun 2025
4 Open Document Open Filing FORM 4 05 Jun 2025 04 Jun 2025
4 Open Document Open Filing FORM 4 05 Jun 2025 04 Jun 2025
8-K Open Document | Data Open Filing 8-K 05 Jun 2025 04 Jun 2025 001-40551
10-Q Open Document | Data Open Filing 10-Q 13 May 2025 31 Mar 2025 001-40551
8-K Open Document | Data Open Filing 8-K 13 May 2025 13 May 2025 001-40551
ARS Open Document Open Filing ARS 23 Apr 2025 31 Dec 2024 001-40551
DEFA14A Open Document Open Filing DEFA14A 23 Apr 2025 001-40551
DEF 14A Open Document | Data Open Filing DEF 14A 23 Apr 2025 04 Jun 2025 001-40551
SCHEDULE 13D/A Open Document Open Filing 31 Mar 2025 005-92677
S-8 Open Document Open Filing S-8 27 Mar 2025 333-286176
10-K Open Document | Data Open Filing 10-K 27 Mar 2025 31 Dec 2024 001-40551
8-K Open Document | Data Open Filing 8-K 27 Mar 2025 27 Mar 2025 001-40551
4 Open Document Open Filing FORM 4 23 Jan 2025 21 Jan 2025
4 Open Document Open Filing FORM 4 23 Jan 2025 21 Jan 2025
4 Open Document Open Filing FORM 4 23 Jan 2025 21 Jan 2025
4 Open Document Open Filing FORM 4 23 Jan 2025 21 Jan 2025
4 Open Document Open Filing FORM 4 23 Jan 2025 21 Jan 2025
144 Open Document Open Filing 23 Jan 2025 001-40551
144 Open Document Open Filing 21 Jan 2025 001-40551
144 Open Document Open Filing 21 Jan 2025 001-40551
144 Open Document Open Filing 21 Jan 2025 001-40551
144 Open Document Open Filing 21 Jan 2025 001-40551
144 Open Document Open Filing 21 Jan 2025 001-40551
4 Open Document Open Filing FORM 4 07 Jan 2025 03 Jan 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 06 Jan 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 06 Jan 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 03 Jan 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 03 Jan 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 03 Jan 2025
4 Open Document Open Filing FORM 4 07 Jan 2025 03 Jan 2025
144 Open Document Open Filing 03 Jan 2025 001-40551
144 Open Document Open Filing 03 Jan 2025 001-40551
144 Open Document Open Filing 03 Jan 2025 001-40551
144 Open Document Open Filing 03 Jan 2025 001-40551
144 Open Document Open Filing 03 Jan 2025 001-40551
10-Q Open Document | Data Open Filing 10-Q 12 Nov 2024 30 Sep 2024 001-40551
8-K Open Document | Data Open Filing 8-K 12 Nov 2024 12 Nov 2024 001-40551
4 Open Document Open Filing 4 06 Nov 2024 05 Nov 2024
3 Open Document Open Filing 3 06 Nov 2024 05 Nov 2024
10-Q Open Document | Data Open Filing 10-Q 13 Aug 2024 30 Jun 2024 001-40551
8-K Open Document | Data Open Filing 8-K 13 Aug 2024 13 Aug 2024 001-40551
4 Open Document Open Filing 10 Jun 2024 10 Jun 2024
4 Open Document Open Filing FORM 4 10 Jun 2024 10 Jun 2024
4 Open Document Open Filing FORM 4 10 Jun 2024 10 Jun 2024
4 Open Document Open Filing FORM 4 10 Jun 2024 10 Jun 2024
4 Open Document Open Filing FORM 4 10 Jun 2024 10 Jun 2024
4 Open Document Open Filing FORM 4 10 Jun 2024 10 Jun 2024
4 Open Document Open Filing FORM 4 10 Jun 2024 10 Jun 2024
8-K Open Document | Data Open Filing 8-K 05 Jun 2024 04 Jun 2024 001-40551
10-Q Open Document | Data Open Filing 10-Q 14 May 2024 31 Mar 2024 001-40551
8-K Open Document | Data Open Filing 8-K 14 May 2024 14 May 2024 001-40551
EFFECT Open Document Open Filing 24 Apr 2024 333-278280
CORRESP Open Document Open Filing 22 Apr 2024
ARS Open Document Open Filing ARS 22 Apr 2024 31 Dec 2023 001-40551
DEFA14A Open Document Open Filing DEFA14A 22 Apr 2024 001-40551
DEF 14A Open Document Open Filing DEF 14A 22 Apr 2024 04 Jun 2024 001-40551
UPLOAD Open Document Open Filing 02 Apr 2024 333-278280
S-3 Open Document Open Filing S-3 27 Mar 2024 333-278280
S-8 Open Document Open Filing S-8 27 Mar 2024 333-278267
10-K Open Document | Data Open Filing 10-K 26 Mar 2024 31 Dec 2023 001-40551
8-K Open Document | Data Open Filing 8-K 26 Mar 2024 26 Mar 2024 001-40551
8-K Open Document | Data Open Filing 8-K 19 Mar 2024 19 Mar 2024 001-40551
SC 13G/A Open Document Open Filing 14 Feb 2024 005-92677
SC 13G Open Document Open Filing 06 Feb 2024 005-92677
4 Open Document Open Filing FORM 4 01 Feb 2024 01 Feb 2024
3 Open Document Open Filing FORM 3 01 Feb 2024 01 Feb 2024
8-K Open Document | Data Open Filing 8-K 01 Feb 2024 01 Feb 2024 001-40551
SC 13G/A Open Document Open Filing SC 13G/A 24 Jan 2024 005-92677
4 Open Document Open Filing FORM 4 19 Jan 2024 19 Jan 2024
4 Open Document Open Filing FORM 4 19 Jan 2024 19 Jan 2024
4 Open Document Open Filing FORM 4 19 Jan 2024 18 Jan 2024
4 Open Document Open Filing FORM 4 19 Jan 2024 18 Jan 2024
4 Open Document Open Filing FORM 4 19 Jan 2024 18 Jan 2024
144 Open Document Open Filing 19 Jan 2024 001-40551
144 Open Document Open Filing 19 Jan 2024 001-40551
144 Open Document Open Filing 18 Jan 2024 001-40551
144 Open Document Open Filing 18 Jan 2024 001-40551
144 Open Document Open Filing 18 Jan 2024 001-40551
8-K Open Document | Data Open Filing 8-K 12 Jan 2024 12 Jan 2024 001-40551
8-K Open Document | Data Open Filing 8-K 08 Jan 2024 08 Jan 2024 001-40551
4 Open Document Open Filing FORM 4 04 Jan 2024 02 Jan 2024
4 Open Document Open Filing FORM 4 04 Jan 2024 02 Jan 2024
4 Open Document Open Filing FORM 4 04 Jan 2024 02 Jan 2024
4 Open Document Open Filing FORM 4 04 Jan 2024 02 Jan 2024
4 Open Document Open Filing FORM 4 04 Jan 2024 02 Jan 2024
8-K Open Document | Data Open Filing 8-K 04 Dec 2023 04 Dec 2023 001-40551
8-K Open Document | Data Open Filing 8-K 13 Nov 2023 13 Nov 2023 001-40551
10-Q Open Document | Data Open Filing 10-Q 13 Nov 2023 30 Sep 2023 001-40551
8-K Open Document | Data Open Filing 8-K 13 Nov 2023 13 Nov 2023 001-40551
8-K Open Document | Data Open Filing 8-K 09 Nov 2023 05 Nov 2023 001-40551
4 Open Document Open Filing FORM 4 18 Aug 2023 17 Aug 2023
144 Open Document Open Filing 17 Aug 2023 001-40551
10-Q Open Document | Data Open Filing 10-Q 08 Aug 2023 30 Jun 2023 001-40551
8-K Open Document | Data Open Filing 8-K 08 Aug 2023 08 Aug 2023 001-40551
SC 13D/A Open Document Open Filing SC 13D/A 25 Jul 2023 005-92677
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Jul 2023 21 Jul 2023
424B5 Open Document Open Filing 424B5 20 Jul 2023 333-266004
8-K Open Document | Data Open Filing 8-K 20 Jul 2023 18 Jul 2023 001-40551
424B5 Open Document Open Filing 424B5 17 Jul 2023 333-266004
8-K Open Document | Data Open Filing 8-K 17 Jul 2023 17 Jul 2023 001-40551
8-K Open Document | Data Open Filing 8-K 17 Jul 2023 16 Jul 2023 001-40551
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Jun 2023 06 Jun 2023
8-K Open Document | Data Open Filing 8-K 08 Jun 2023 06 Jun 2023 001-40551
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023
10-Q Open Document | Data Open Filing 10-Q 09 May 2023 31 Mar 2023 001-40551
8-K Open Document | Data Open Filing 8-K 09 May 2023 09 May 2023 001-40551
DEFA14A Open Document Open Filing DEFA14A 28 Apr 2023 001-40551
ARS Open Document Open Filing ARS 27 Apr 2023 31 Dec 2022 001-40551
DEF 14A Open Document Open Filing DEF 14A 27 Apr 2023 06 Jun 2023 001-40551
424B5 Open Document Open Filing 424B5 27 Apr 2023 333-266004
8-K Open Document | Data Open Filing 8-K 27 Apr 2023 27 Apr 2023 001-40551
PRE 14A Open Document Open Filing PRE 14A 14 Apr 2023 06 Jun 2023 001-40551
S-8 Open Document Open Filing S-8 28 Mar 2023 333-270902
10-K Open Document | Data Open Filing 10-K 27 Mar 2023 31 Dec 2022 001-40551
8-K Open Document | Data Open Filing 8-K 27 Mar 2023 27 Mar 2023 001-40551
8-K Open Document | Data Open Filing 8-K 15 Mar 2023 09 Mar 2023 001-40551
SC 13G/A Open Document Open Filing AMENDMENT TO FORM SC 13G 14 Feb 2023 005-92677
SC 13G/A Open Document Open Filing 14 Feb 2023 005-92677
SC 13G/A Open Document Open Filing 14 Feb 2023 005-92677
8-K Open Document | Data Open Filing 8-K 01 Feb 2023 01 Feb 2023 001-40551
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jan 2023 17 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jan 2023 17 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jan 2023 17 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jan 2023 17 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jan 2023 17 Jan 2023
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jan 2023 04 Jan 2023
3 Open Document Open Filing FORM 3 SUBMISSION 04 Jan 2023 04 Jan 2023
8-K Open Document | Data Open Filing 8-K 04 Jan 2023 03 Jan 2023 001-40551
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jan 2023 29 Dec 2022
10-Q Open Document | Data Open Filing 10-Q 14 Nov 2022 30 Sep 2022 001-40551
8-K Open Document | Data Open Filing 8-K 14 Nov 2022 14 Nov 2022 001-40551
8-K Open Document | Data Open Filing 8-K 24 Oct 2022 24 Oct 2022 001-40551
SC 13G/A Open Document Open Filing 07 Oct 2022 005-92677
8-K Open Document | Data Open Filing 8-K 12 Sep 2022 12 Sep 2022 001-40551
4 Open Document Open Filing FORM 4 SUBMISSION 07 Sep 2022 06 Sep 2022
3 Open Document Open Filing FORM 3 SUBMISSION 07 Sep 2022 06 Sep 2022
10-Q Open Document | Data Open Filing 10-Q 15 Aug 2022 30 Jun 2022 001-40551
8-K Open Document | Data Open Filing 8-K 15 Aug 2022 12 Aug 2022 001-40551
8-K Open Document | Data Open Filing 8-K 01 Aug 2022 01 Aug 2022 001-40551
EFFECT Open Document Open Filing 08 Jul 2022 333-266004
CORRESP Open Document Open Filing 06 Jul 2022
UPLOAD Open Document Open Filing 06 Jul 2022
S-3 Open Document Open Filing S-3 01 Jul 2022 333-266004
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Jun 2022 15 Jun 2022
8-K Open Document | Data Open Filing 8-K 21 Jun 2022 15 Jun 2022 001-40551
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022
10-Q Open Document | Data Open Filing 10-Q 16 May 2022 31 Mar 2022 001-40551
8-K Open Document | Data Open Filing 8-K 16 May 2022 16 May 2022 001-40551
DEFA14A Open Document Open Filing DEFA14A 27 Apr 2022 001-40551
DEF 14A Open Document Open Filing DEF 14A 27 Apr 2022 15 Jun 2022 001-40551
4 Open Document Open Filing FORM 4 SUBMISSION 04 Apr 2022 01 Apr 2022
3 Open Document Open Filing FORM 3 SUBMISSION 04 Apr 2022 01 Apr 2022
S-8 Open Document Open Filing S-8 29 Mar 2022 333-263947
10-K Open Document | Data Open Filing 10-K 28 Mar 2022 31 Dec 2021 001-40551
8-K Open Document | Data Open Filing 8-K 28 Mar 2022 28 Mar 2022 001-40551
SC 13G Open Document Open Filing SCHEDULE 13G 16 Feb 2022 005-92677
SC 13G Open Document Open Filing SCHEDULE FILED TO REPORT ACQUISITION OF BENEFICIAL OWNERSHIP 15 Feb 2022 005-92677
SC 13G Open Document Open Filing SC 13G 14 Feb 2022 005-92677
SC 13G Open Document Open Filing 04 Feb 2022 005-92677
SC 13G Open Document Open Filing 27 Jan 2022 005-92677
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jan 2022 19 Jan 2022
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jan 2022 19 Jan 2022
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jan 2022 19 Jan 2022
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jan 2022 19 Jan 2022
8-K Open Document | Data Open Filing 8-K 03 Jan 2022 01 Jan 2022 001-40551
4 Open Document Open Filing FORM 4 SUBMISSION 02 Dec 2021 30 Nov 2021
10-Q Open Document | Data Open Filing 10-Q 15 Nov 2021 30 Sep 2021 001-40551
8-K Open Document | Data Open Filing 8-K 15 Nov 2021 15 Nov 2021 001-40551
8-K Open Document | Data Open Filing 8-K 10 Nov 2021 10 Nov 2021 001-40551
8-K Open Document | Data Open Filing 8-K 07 Oct 2021 07 Oct 2021 001-40551
SC 13D/A Open Document Open Filing SC 13D/A 13 Sep 2021 005-92677
8-K Open Document | Data Open Filing 8-K 31 Aug 2021 31 Aug 2021 001-40551
10-Q Open Document | Data Open Filing FORM 10-Q 16 Aug 2021 30 Jun 2021 001-40551
8-K Open Document | Data Open Filing 8-K 16 Aug 2021 16 Aug 2021 001-40551
SC 13D Open Document Open Filing SCHEDULE 13D 16 Jul 2021 005-92677
SC 13G Open Document Open Filing SC 13G 13 Jul 2021 005-92677
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
3/A Open Document Open Filing FORM 3/A SUBMISSION 08 Jul 2021 30 Jun 2021
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jul 2021 06 Jul 2021
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Jul 2021 06 Jul 2021
8-K Open Document Open Filing 8-K 07 Jul 2021 06 Jul 2021 001-40551
S-8 Open Document Open Filing S-8 02 Jul 2021 333-257666
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2021 30 Jun 2021
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2021 30 Jun 2021
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2021 30 Jun 2021
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2021 30 Jun 2021
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2021 30 Jun 2021
424B4 Open Document Open Filing 424B4 02 Jul 2021 333-256945
SEC STAFF LETTER Open Document Open Filing 30 Jun 2021
EFFECT Open Document Open Filing 30 Jun 2021 333-256945
S-1MEF Open Document Open Filing S-1MEF 30 Jun 2021 333-257587
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jun 2021 30 Jun 2021
3 Open Document Open Filing OWNERSHIP DOCUMENT 30 Jun 2021 30 Jun 2021
CERT Open Document Open Filing 29 Jun 2021 001-40551
CORRESP Open Document Open Filing 28 Jun 2021
CORRESP Open Document Open Filing 28 Jun 2021
8-A12B Open Document Open Filing 8-A12B 28 Jun 2021 001-40551
CORRESP Open Document Open Filing 24 Jun 2021
S-1/A Open Document Open Filing S-1/A 24 Jun 2021 333-256945
CORRESP Open Document Open Filing 16 Jun 2021
UPLOAD Open Document Open Filing 14 Jun 2021
CORRESP Open Document Open Filing 09 Jun 2021
S-1 Open Document Open Filing S-1 09 Jun 2021 333-256945
SEC STAFF LETTER Open Document Open Filing 07 Jun 2021
DRS/A Open Document Open Filing 03 Jun 2021 377-04647
UPLOAD Open Document Open Filing 25 May 2021
DRSLTR Open Document Open Filing 14 May 2021
DRS/A Open Document Open Filing 14 May 2021 377-04647
UPLOAD Open Document Open Filing 10 May 2021
DRS Open Document Open Filing 12 Apr 2021 377-04647