Prime Medicine, Inc. SEC filings PRME

Prime Medicine, Inc. has 298 filings in SEC EDGAR's recent list, going back to Dec 20, 2021. 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 Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.

Prime Medicine, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Aug 6, 2026 Jun 30, 2026
8-K Current report
Results of operations
Aug 6, 2026 Aug 6, 2026
8-K Current report
Other events
Jul 8, 2026 Jul 6, 2026
8-K Current report
Shareholder vote results
Jun 8, 2026 Jun 5, 2026
10-Q Quarterly report May 7, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 7, 2026 May 7, 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 Dec 31, 2025
8-K Current report
Officer or director change
Apr 16, 2026 Apr 7, 2026
EFFECT Filing Mar 4, 2026 —
S-8 Employee stock plan registration Mar 3, 2026 —
POS AM Filing Mar 3, 2026 —
10-K Annual report Mar 3, 2026 Dec 31, 2025
POSASR Filing Mar 3, 2026 —
8-K Current report
Results of operations, Regulation FD disclosure
Mar 3, 2026 Mar 3, 2026
8-K Current report
Regulation FD disclosure
Jan 12, 2026 Jan 12, 2026
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 7, 2025 Nov 7, 2025
8-K Current report
Regulation FD disclosure
Sep 8, 2025 Sep 8, 2025
10-Q Quarterly report Aug 7, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 7, 2025 Aug 7, 2025
8-K Current report
Officer or director change, Shareholder vote results
Aug 5, 2025 Aug 1, 2025
8-K Current report
Material agreement
Jul 31, 2025 Jul 30, 2025
424B5 Prospectus supplement Jul 31, 2025 —
424B5 Prospectus supplement Jul 30, 2025 —
8-K Current report
Results of operations, Other events
Jul 30, 2025 Jul 30, 2025
8-K Current report
Officer or director change
Jul 15, 2025 Jul 14, 2025
DEF 14A Proxy statement Jul 14, 2025 Aug 1, 2025
PRE 14A Preliminary proxy statement Jul 2, 2025 Aug 1, 2025
8-K Current report
Shareholder vote results
Jun 5, 2025 Jun 4, 2025
DEFA14A Additional proxy material May 19, 2025 —
8-K Current report
Officer or director change, Regulation FD disclosure, Other events
May 19, 2025 May 16, 2025
10-Q Quarterly report May 8, 2025 Mar 31, 2025
8-K Current report
Results of operations
May 8, 2025 May 8, 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 Dec 31, 2024
8-K Current report
Regulation FD disclosure, Other events
Mar 18, 2025 Mar 18, 2025
S-8 Employee stock plan registration Feb 28, 2025 —
10-K Annual report Feb 28, 2025 Dec 31, 2024
8-K Current report
Results of operations
Feb 28, 2025 Feb 28, 2025
8-K Current report
Regulation FD disclosure
Jan 13, 2025 Jan 13, 2025
EFFECT Filing Dec 20, 2024 —
CORRESP Letter to the SEC Dec 18, 2024 —
UPLOAD Letter from the SEC Dec 17, 2024 —
S-3 Shelf registration Dec 13, 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
Regulation FD disclosure
Oct 24, 2024 Oct 24, 2024
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
Sep 30, 2024 Sep 28, 2024
10-Q Quarterly report Aug 8, 2024 Jun 30, 2024
8-K Current report
Results of operations
Aug 8, 2024 Aug 8, 2024
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
Jun 12, 2024 Jun 12, 2024
DEFA14A Additional proxy material May 21, 2024 —
8-K Current report
Bylaw or fiscal year change
May 21, 2024 May 17, 2024
10-Q Quarterly report May 10, 2024 Mar 31, 2024
8-K Current report
Results of operations
May 10, 2024 May 10, 2024
ARS Annual report to shareholders Apr 29, 2024 Dec 31, 2023
DEFA14A Additional proxy material Apr 29, 2024 —
DEF 14A Proxy statement Apr 29, 2024 Jun 12, 2024
PRE 14A Preliminary proxy statement Apr 19, 2024 Jun 12, 2024
S-8 Employee stock plan registration Mar 1, 2024 —
10-K Annual report Mar 1, 2024 Dec 31, 2023
8-K Current report
Results of operations
Mar 1, 2024 Mar 1, 2024
8-K Current report
Material agreement
Feb 16, 2024 Feb 14, 2024
424B5 Prospectus supplement Feb 16, 2024 —
FWP Free writing prospectus Feb 15, 2024 —
424B5 Prospectus supplement Feb 14, 2024 —
8-K Current report
Results of operations
Feb 14, 2024 Feb 14, 2024
8-K Current report
Regulation FD disclosure
Jan 8, 2024 Jan 8, 2024
8-K Current report
Other events
Jan 5, 2024 Jan 4, 2024
8-K Current report
Officer or director change
Jan 5, 2024 Jan 4, 2024
EFFECT Filing Nov 13, 2023 —
CORRESP Letter to the SEC Nov 9, 2023 —
UPLOAD Letter from the SEC Nov 7, 2023 —
S-3 Shelf registration Nov 3, 2023 —
10-Q Quarterly report Nov 3, 2023 Sep 30, 2023
8-K Current report
Results of operations
Nov 3, 2023 Nov 3, 2023
10-Q Quarterly report Aug 7, 2023 Jun 30, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Aug 7, 2023 Aug 7, 2023
8-K Current report
Shareholder vote results
Jun 16, 2023 Jun 14, 2023
8-K Current report
Regulation FD disclosure
May 17, 2023 May 17, 2023
10-Q Quarterly report May 11, 2023 Mar 31, 2023
DEFA14A Additional proxy material May 11, 2023 —
8-K Current report
Officer or director change
May 11, 2023 May 10, 2023
8-K Current report
Results of operations
May 11, 2023 May 11, 2023
ARS Annual report to shareholders Apr 28, 2023 Dec 31, 2022
DEFA14A Additional proxy material Apr 28, 2023 —
DEF 14A Proxy statement Apr 28, 2023 Jun 14, 2023
8-K/A Amended current report
Results of operations
Mar 10, 2023 Mar 9, 2023
S-8 Employee stock plan registration Mar 9, 2023 —
10-K Annual report Mar 9, 2023 Dec 31, 2022
8-K Current report
Results of operations
Mar 9, 2023 Mar 9, 2023
8-K Current report
Regulation FD disclosure
Jan 9, 2023 Jan 9, 2023
10-Q Quarterly report Nov 14, 2022 Sep 30, 2022
8-K Current report
Bylaw or fiscal year change
Oct 24, 2022 Oct 19, 2022
424B4 Prospectus Oct 21, 2022 —
FWP Free writing prospectus Oct 20, 2022 —
SEC STAFF LETTER Filing Oct 19, 2022 —
EFFECT Filing Oct 19, 2022 —
S-1MEF Filing Oct 19, 2022 —
S-8 Employee stock plan registration Oct 19, 2022 —
CERT Filing Oct 19, 2022 —
8-A12B Filing Oct 17, 2022 —
CORRESP Letter to the SEC Oct 17, 2022 —
CORRESP Letter to the SEC Oct 17, 2022 —
FWP Free writing prospectus Oct 17, 2022 —
CORRESP Letter to the SEC Oct 17, 2022 —
S-1/A Amended registration statement Oct 17, 2022 —
UPLOAD Letter from the SEC Oct 14, 2022 —
CORRESP Letter to the SEC Oct 13, 2022 —
S-1/A Amended registration statement Oct 13, 2022 —
CORRESP Letter to the SEC Oct 7, 2022 —
UPLOAD Letter from the SEC Sep 30, 2022 —
S-1 Registration statement Sep 23, 2022 —
DRS/A Filing Aug 5, 2022 —
DRS/A Filing May 6, 2022 —
SEC STAFF LETTER Filing Apr 11, 2022 —
DRSLTR Filing Apr 8, 2022 —
DRS/A Filing Apr 8, 2022 —
UPLOAD Letter from the SEC Mar 30, 2022 —
DRSLTR Filing Mar 25, 2022 —
DRS/A Filing Mar 25, 2022 —
UPLOAD Letter from the SEC Mar 15, 2022 —
DRSLTR Filing Mar 7, 2022 —
DRS/A Filing Mar 7, 2022 —
UPLOAD Letter from the SEC Feb 17, 2022 —
DRSLTR Filing Feb 4, 2022 —
DRS/A Filing Feb 4, 2022 —
UPLOAD Letter from the SEC Jan 18, 2022 —
DRS/A Filing Jan 12, 2022 —
DRS Filing Dec 20, 2021 —

Showing 134 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
PRME (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Cambridge, MA
SEC filer status
Non-accelerated filer, Smaller reporting company, Emerging growth company
SEC CIK
1894562

Other Biological Products, (No Diagnostic Substances) companies

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