Cogent Biosciences, Inc. SEC filings COGT

Cogent Biosciences, Inc. has 616 filings in SEC EDGAR's recent list, going back to Oct 20, 2014. Its latest annual report, Form ARS, was filed on Apr 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

Cogent Biosciences, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Nov 5, 2026 Sep 30, 2026
8-K Current report
Results of operations
Nov 5, 2026 Nov 5, 2026
8-K Current report
Material agreement
Sep 2, 2026 Sep 1, 2026
8-K Current report
Other events
Aug 10, 2026 Aug 10, 2026
424B5 Prospectus supplement Aug 10, 2026 —
10-Q Quarterly report Aug 10, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 10, 2026 Aug 10, 2026
8-K Current report
Shareholder vote results
Jun 11, 2026 Jun 9, 2026
10-Q Quarterly report May 5, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 5, 2026 May 5, 2026
ARS Annual report to shareholders Apr 23, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 23, 2026 —
DEF 14A Proxy statement Apr 23, 2026 Jun 9, 2026
S-8 Employee stock plan registration Feb 17, 2026 —
10-K Annual report Feb 17, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 17, 2026 Feb 17, 2026
8-K Current report
Other events
Dec 8, 2025 Dec 6, 2025
8-K Current report
Material agreement, New debt
Nov 18, 2025 Nov 18, 2025
8-K Current report
Material agreement, Other events
Nov 13, 2025 Nov 11, 2025
424B5 Prospectus supplement Nov 12, 2025 —
424B5 Prospectus supplement Nov 12, 2025 —
FWP Free writing prospectus Nov 12, 2025 —
424B5 Prospectus supplement Nov 12, 2025 —
424B5 Prospectus supplement Nov 12, 2025 —
8-K Current report
Regulation FD disclosure, Other events
Nov 10, 2025 Nov 10, 2025
S-3ASR Automatic shelf registration Nov 7, 2025 —
10-Q Quarterly report Nov 7, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 3, 2025 Nov 3, 2025
8-K Current report
Material agreement, New debt
Sep 11, 2025 Sep 5, 2025
10-Q Quarterly report Aug 5, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 5, 2025 Aug 5, 2025
8-K Current report
Material agreement, Results of operations
Jul 10, 2025 Jul 7, 2025
424B5 Prospectus supplement Jul 9, 2025 —
424B5 Prospectus supplement Jul 8, 2025 —
8-K Current report
Other events
Jul 7, 2025 Jul 7, 2025
8-K Current report
Material agreement, New debt, Regulation FD disclosure
Jun 11, 2025 Jun 11, 2025
8-K Current report
Bylaw or fiscal year change, Shareholder vote results, Regulation FD disclosure
Jun 5, 2025 Jun 4, 2025
EFFECT Filing May 9, 2025 —
10-Q Quarterly report May 6, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 6, 2025 May 6, 2025
424B5 Prospectus supplement May 6, 2025 —
POS AM Filing May 6, 2025 —
ARS Annual report to shareholders Apr 22, 2025 Dec 31, 2024
DEFA14A Additional proxy material Apr 22, 2025 —
DEF 14A Proxy statement Apr 22, 2025 Jun 4, 2025
PRE 14A Preliminary proxy statement Apr 11, 2025 Jun 4, 2025
S-8 Employee stock plan registration Feb 25, 2025 —
10-K Annual report Feb 25, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 25, 2025 Feb 25, 2025
8-K Current report
Other events
Dec 9, 2024 Dec 8, 2024
10-Q Quarterly report Nov 12, 2024 Sep 30, 2024
8-K Current report
Results of operations
Nov 12, 2024 Nov 12, 2024
8-K Current report
Other events
Sep 3, 2024 Sep 3, 2024
S-8 Employee stock plan registration Aug 6, 2024 —
10-Q Quarterly report Aug 6, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 6, 2024 Aug 6, 2024
8-K Current report
Other events
Jun 27, 2024 Jun 27, 2024
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
Jun 5, 2024 Jun 5, 2024
10-Q Quarterly report May 7, 2024 Mar 31, 2024
8-K Current report
Results of operations
May 7, 2024 May 7, 2024
ARS Annual report to shareholders Apr 23, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 23, 2024 —
DEF 14A Proxy statement Apr 23, 2024 Jun 5, 2024
PRE 14A Preliminary proxy statement Apr 12, 2024 Jun 5, 2024
EFFECT Filing Apr 10, 2024 —
CORRESP Letter to the SEC Apr 8, 2024 —
UPLOAD Letter from the SEC Apr 5, 2024 —
S-3 Shelf registration Mar 29, 2024 —
8-K Current report
Unregistered share sale, Bylaw or fiscal year change
Mar 22, 2024 Mar 21, 2024
S-8 Employee stock plan registration Feb 26, 2024 —
10-K Annual report Feb 26, 2024 Dec 31, 2023
8-K Current report
Results of operations
Feb 26, 2024 Feb 26, 2024
8-K Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure
Feb 14, 2024 Feb 13, 2024
8-K Current report
Other events
Dec 11, 2023 Dec 9, 2023
10-Q Quarterly report Nov 7, 2023 Sep 30, 2023
8-K Current report
Results of operations
Nov 2, 2023 Nov 2, 2023
S-8 Employee stock plan registration Aug 8, 2023 —
10-Q Quarterly report Aug 8, 2023 Jun 30, 2023
8-K Current report
Results of operations
Aug 8, 2023 Aug 8, 2023
8-K Current report
Material agreement
Jun 8, 2023 Jun 6, 2023
424B5 Prospectus supplement Jun 8, 2023 —
8-K Current report
Officer or director change, Shareholder vote results
Jun 7, 2023 Jun 7, 2023
424B5 Prospectus supplement Jun 6, 2023 —
8-K Current report
Other events
Jun 6, 2023 Jun 3, 2023
10-Q Quarterly report May 9, 2023 Mar 31, 2023
8-K Current report
Results of operations
May 9, 2023 May 9, 2023
ARS Annual report to shareholders Apr 25, 2023 Dec 31, 2022
DEFA14A Additional proxy material Apr 25, 2023 —
DEF 14A Proxy statement Apr 25, 2023 Jun 7, 2023
S-8 Employee stock plan registration Mar 14, 2023 —
10-K Annual report Mar 14, 2023 Dec 31, 2022
8-K Current report
Results of operations
Mar 14, 2023 Mar 14, 2023
S-3ASR Automatic shelf registration Feb 10, 2023 —
8-K Current report
Regulation FD disclosure
Dec 12, 2022 Dec 11, 2022
10-Q Quarterly report Nov 14, 2022 Sep 30, 2022
8-K Current report
Results of operations
Nov 14, 2022 Nov 14, 2022
10-Q Quarterly report Aug 9, 2022 Jun 30, 2022
8-K Current report
Results of operations
Aug 9, 2022 Aug 9, 2022
8-K/A Amended current report
Material agreement, Other events
Jun 16, 2022 Jun 13, 2022
8-K Current report
Material agreement
Jun 15, 2022 Jun 13, 2022
424B5 Prospectus supplement Jun 15, 2022 —
FWP Free writing prospectus Jun 14, 2022 —
424B5 Prospectus supplement Jun 13, 2022 —
8-K Current report
Shareholder vote results, Other events
Jun 10, 2022 Jun 7, 2022
EFFECT Filing May 24, 2022 —
CORRESP Letter to the SEC May 20, 2022 —
UPLOAD Letter from the SEC May 17, 2022 —
EFFECT Filing May 13, 2022 —
10-Q Quarterly report May 10, 2022 Mar 31, 2022
8-K Current report
Results of operations
May 10, 2022 May 10, 2022
S-3 Shelf registration May 6, 2022 —
POS AM Filing May 6, 2022 —
8-K Current report
Agreement ended
May 6, 2022 May 5, 2022
DEFA14A Additional proxy material Apr 26, 2022 —
DEF 14A Proxy statement Apr 26, 2022 Jun 7, 2022
S-8 Employee stock plan registration Mar 17, 2022 —
10-K Annual report Mar 15, 2022 Dec 31, 2021
8-K Current report
Results of operations
Mar 15, 2022 Mar 15, 2022
8-K Current report
Officer or director change
Dec 27, 2021 Dec 24, 2021
10-Q Quarterly report Nov 10, 2021 Sep 30, 2021
8-K Current report
Results of operations
Nov 10, 2021 Nov 10, 2021
S-8 Employee stock plan registration Aug 17, 2021 —
10-Q Quarterly report Aug 16, 2021 Jun 30, 2021
8-K Current report
Results of operations
Aug 16, 2021 Aug 16, 2021
8-K Current report
Material agreement
Jul 9, 2021 Jul 6, 2021
8-K Current report
Officer or director change, Shareholder vote results
Jun 17, 2021 Jun 16, 2021
10-Q Quarterly report May 12, 2021 Mar 31, 2021
8-K Current report
Results of operations
May 12, 2021 May 12, 2021
DEFA14A Additional proxy material Apr 30, 2021 —
DEF 14A Proxy statement Apr 30, 2021 Jun 16, 2021
SEC STAFF LETTER Filing Mar 31, 2021 —
EFFECT Filing Mar 18, 2021 —
CORRESP Letter to the SEC Mar 16, 2021 —
S-8 Employee stock plan registration Mar 16, 2021 —
10-K Annual report Mar 16, 2021 Dec 31, 2020
8-K Current report
Results of operations
Mar 16, 2021 Mar 16, 2021
SEC STAFF LETTER Filing Mar 3, 2021 —
8-K Current report
Officer or director change
Feb 22, 2021 Feb 22, 2021
UPLOAD Letter from the SEC Feb 12, 2021 —
S-3 Shelf registration Feb 9, 2021 —
8-K Current report
Material agreement, Other events
Dec 2, 2020 Dec 1, 2020
424B5 Prospectus supplement Dec 2, 2020 —
424B3 Prospectus Dec 2, 2020 —
424B5 Prospectus supplement Nov 30, 2020 —
8-K Current report
Other events
Nov 30, 2020 Nov 30, 2020
10-Q Quarterly report Nov 9, 2020 Sep 30, 2020
8-K Current report
Results of operations, Change to shareholder rights, Bylaw or fiscal year change, Shareholder vote results
Nov 9, 2020 Nov 6, 2020
S-8 Employee stock plan registration Nov 5, 2020 —
8-K Current report
Officer or director change, Regulation FD disclosure
Oct 26, 2020 Oct 22, 2020
8-K Current report
Officer or director change
Oct 23, 2020 Oct 19, 2020
EFFECT Filing Oct 15, 2020 —
UPLOAD Letter from the SEC Oct 13, 2020 —
CORRESP Letter to the SEC Oct 13, 2020 —
DEFM14A Filing Oct 9, 2020 —
CORRESP Letter to the SEC Oct 6, 2020 —
PRER14A Filing Oct 6, 2020 —
10-Q/A Amended quarterly report Oct 6, 2020 Jun 30, 2020
UPLOAD Letter from the SEC Oct 6, 2020 —
8-K Current report
Bylaw or fiscal year change, Regulation FD disclosure
Oct 5, 2020 Oct 2, 2020
CORRESP Letter to the SEC Oct 2, 2020 —
PRER14A Filing Oct 2, 2020 —
UPLOAD Letter from the SEC Sep 30, 2020 —
S-3 Shelf registration Sep 22, 2020 —
CORRESP Letter to the SEC Sep 22, 2020 —
PRER14A Filing Sep 22, 2020 —
8-K Current report
Material agreement, Acquisition or sale of assets, Regulation FD disclosure
Sep 3, 2020 Aug 28, 2020
UPLOAD Letter from the SEC Aug 25, 2020 —
CORRESP Letter to the SEC Aug 19, 2020 —
PRER14A Filing Aug 19, 2020 —
UPLOAD Letter from the SEC Aug 12, 2020 —
10-Q Quarterly report Aug 11, 2020 Jun 30, 2020
8-K Current report
Results of operations
Aug 11, 2020 Aug 11, 2020
8-K Current report
Material agreement
Aug 10, 2020 Aug 6, 2020
PRE 14A Preliminary proxy statement Jul 30, 2020 Jul 29, 2020
D Filing Jul 21, 2020 —
D Filing Jul 21, 2020 —
8-K Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
Jul 6, 2020 Jul 5, 2020
8-K Current report
Shareholder vote results
Jun 10, 2020 Jun 9, 2020
8-K Current report
Officer or director change
May 15, 2020 May 14, 2020
SC TO-I/A Filing May 11, 2020 —
10-Q Quarterly report May 11, 2020 Mar 31, 2020
8-K Current report
Results of operations, Other events
May 11, 2020 May 7, 2020
DEF 14A Proxy statement Apr 29, 2020 Jun 9, 2020
PRE 14A Preliminary proxy statement Apr 17, 2020 Jun 9, 2020
SC TO-I Filing Apr 8, 2020 —
S-8 Employee stock plan registration Mar 26, 2020 —
10-K Annual report Mar 26, 2020 Dec 31, 2019
8-K Current report
Results of operations
Mar 26, 2020 Mar 26, 2020
424B5 Prospectus supplement Mar 20, 2020 —
8-K Current report
Material agreement, Other events
Mar 20, 2020 Mar 19, 2020
8-K Current report
Other events
Mar 16, 2020 Mar 13, 2020
8-K Current report
Shareholder vote results
Mar 10, 2020 Mar 9, 2020
8-K Current report
Other events
Mar 9, 2020 Mar 4, 2020
8-K Current report
Exit or restructuring costs, Other events
Mar 2, 2020 Mar 2, 2020
DEF 14A Proxy statement Feb 18, 2020 Mar 9, 2020
PRE 14A Preliminary proxy statement Feb 7, 2020 Feb 7, 2020
8-K Current report
Other events
Jan 29, 2020 Jan 29, 2020
8-K Current report
Agreement ended
Jan 17, 2020 Jan 16, 2020
8-K Current report
Regulation FD disclosure
Jan 13, 2020 Jan 13, 2020
8-K Current report
Listing notice
Jan 6, 2020 Dec 31, 2019

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.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
COGT (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Waltham, MA
SEC filer status
Large accelerated filer
SEC CIK
1622229
Former names
Unum Therapeutics Inc. (until Oct 5, 2020); Unum Therapeutics, Inc. (until Mar 30, 2018)

Other Pharmaceutical Preparations companies

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