Fulcrum Therapeutics, Inc. SEC filings FULC
Fulcrum Therapeutics, Inc. has 520 filings in SEC EDGAR's recent list, going back to Jul 25, 2016. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Jul 30, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 17, 2026 (material agreement, unregistered share sale, change in control, officer or director change, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Nov 4, 2026 | — |
| 424B3 | Prospectus | Nov 4, 2026 | — |
| S-4/A | Filing | Nov 3, 2026 | — |
| S-4/A | Filing | Oct 20, 2026 | — |
| S-4/A | Filing | Oct 8, 2026 | — |
| S-4 | Registration for a merger or exchange | Sep 2, 2026 | — |
| 425 | Filing | Aug 17, 2026 | — |
| 425 | Filing | Aug 17, 2026 | — |
| 425 | Filing | Aug 17, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change in control, Officer or director change, Regulation FD disclosure
|
Aug 17, 2026 | Aug 16, 2026 |
| 8-K |
Current report
Officer or director change
|
Aug 10, 2026 | Aug 7, 2026 |
| 10-Q | Quarterly report | Jul 30, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 25, 2026 | Jun 24, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 11, 2026 | Jun 5, 2026 |
| 8-K |
Current report
Exit or restructuring costs, Other events
|
Jun 4, 2026 | May 31, 2026 |
| 8-K |
Current report
Other events
|
Jun 1, 2026 | Jun 1, 2026 |
| DEFA14A | Additional proxy material | Apr 30, 2026 | — |
| ARS | Annual report to shareholders | Apr 30, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 24, 2026 |
| 10-Q | Quarterly report | Apr 27, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Agreement ended, Results of operations, Officer or director change
|
Apr 27, 2026 | Apr 23, 2026 |
| S-8 | Employee stock plan registration | Feb 24, 2026 | — |
| 10-K | Annual report | Feb 24, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 11, 2025 | Dec 10, 2025 |
| 424B5 | Prospectus supplement | Dec 11, 2025 | — |
| FWP | Free writing prospectus | Dec 10, 2025 | — |
| 424B5 | Prospectus supplement | Dec 8, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 8, 2025 | Dec 8, 2025 |
| 10-Q | Quarterly report | Oct 29, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 28, 2025 | Aug 28, 2025 |
| 10-Q | Quarterly report | Jul 29, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 29, 2025 | Jul 29, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 27, 2025 | Jun 26, 2025 |
| DEFR14A | Filing | May 7, 2025 | — |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 30, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 30, 2025 | — |
| DEF 14A | Proxy statement | Apr 30, 2025 | Apr 25, 2025 |
| 8-K |
Current report
Agreement ended
|
Mar 4, 2025 | Feb 26, 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
Results of operations, Regulation FD disclosure
|
Jan 13, 2025 | Jan 13, 2025 |
| 8-K |
Current report
Agreement ended
|
Dec 23, 2024 | Dec 18, 2024 |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Exit or restructuring costs
|
Sep 24, 2024 | Sep 24, 2024 |
| 8-K |
Current report
Other events
|
Sep 12, 2024 | Sep 12, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Aug 22, 2024 | Aug 21, 2024 |
| S-8 | Employee stock plan registration | Jul 31, 2024 | — |
| 10-Q | Quarterly report | Jul 31, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 17, 2024 | Jun 17, 2024 |
| 10-Q | Quarterly report | May 13, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Material agreement, Results of operations
|
May 13, 2024 | May 11, 2024 |
| EFFECT | Filing | Apr 25, 2024 | — |
| CORRESP | Letter to the SEC | Apr 24, 2024 | — |
| ARS | Annual report to shareholders | Apr 19, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 19, 2024 | — |
| DEF 14A | Proxy statement | Apr 19, 2024 | Jun 17, 2024 |
| UPLOAD | Letter from the SEC | Mar 1, 2024 | — |
| S-8 | Employee stock plan registration | Feb 27, 2024 | — |
| S-3 | Shelf registration | Feb 27, 2024 | — |
| 10-K | Annual report | Feb 27, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2024 | Feb 27, 2024 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Officer or director change
|
Oct 2, 2023 | Sep 28, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 22, 2023 | Aug 22, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Aug 3, 2023 | Aug 2, 2023 |
| 8-K |
Current report
Material agreement
|
Jul 10, 2023 | Jul 5, 2023 |
| 10-K/A | Amended annual report | Jun 26, 2023 | Dec 31, 2022 |
| 10-K/A | Amended annual report | Jun 26, 2023 | Dec 31, 2021 |
| 10-K/A | Amended annual report | Jun 23, 2023 | Dec 31, 2020 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 9, 2023 | Jun 8, 2023 |
| 10-Q | Quarterly report | May 15, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change
|
May 15, 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 8, 2023 |
| PRE 14A | Preliminary proxy statement | Apr 18, 2023 | Jun 8, 2023 |
| 8-K |
Current report
Officer or director change
|
Apr 5, 2023 | Mar 31, 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
Material agreement, Other events
|
Jan 18, 2023 | Jan 17, 2023 |
| 424B5 | Prospectus supplement | Jan 18, 2023 | — |
| 424B5 | Prospectus supplement | Jan 17, 2023 | — |
| 8-K |
Current report
Results of operations, Other events
|
Jan 17, 2023 | Jan 17, 2023 |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Jan 4, 2023 | Jan 2, 2023 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Officer or director change
|
Oct 19, 2022 | Oct 14, 2022 |
| 8-K |
Current report
Other events
|
Aug 23, 2022 | Aug 19, 2022 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 17, 2022 | Aug 15, 2022 |
| 424B5 | Prospectus supplement | Aug 17, 2022 | — |
| 424B5 | Prospectus supplement | Aug 15, 2022 | — |
| 10-Q | Quarterly report | Aug 11, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Officer or director change
|
Aug 11, 2022 | Aug 11, 2022 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Aug 11, 2022 | Aug 11, 2022 |
| 8-K |
Current report
Officer or director change
|
Jul 11, 2022 | Jul 8, 2022 |
| 8-K |
Current report
Other events
|
Jun 10, 2022 | Jun 10, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2022 | Jun 8, 2022 |
| 8-K |
Current report
Agreement ended
|
Jun 6, 2022 | Jun 3, 2022 |
| 8-K |
Current report
Material agreement
|
May 10, 2022 | May 9, 2022 |
| 424B5 | Prospectus supplement | May 10, 2022 | — |
| POS EX | Filing | May 9, 2022 | — |
| 10-Q | Quarterly report | May 9, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 9, 2022 | May 9, 2022 |
| EFFECT | Filing | Apr 28, 2022 | — |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 8, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 10, 2022 | Mar 4, 2022 |
| POS AM | Filing | Mar 3, 2022 | — |
| S-8 | Employee stock plan registration | Mar 3, 2022 | — |
| 10-K | Annual report | Mar 3, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2022 | Mar 3, 2022 |
| POSASR | Filing | Mar 3, 2022 | — |
| S-8 | Employee stock plan registration | Jan 27, 2022 | — |
| 8-K |
Current report
Results of operations, Officer or director change, Other events
|
Jan 10, 2022 | Jan 5, 2022 |
| 8-K |
Current report
Officer or director change
|
Jan 4, 2022 | Jan 3, 2022 |
| 8-K |
Current report
Other events
|
Dec 6, 2021 | Dec 6, 2021 |
| 8-K |
Current report
Officer or director change
|
Nov 17, 2021 | Nov 16, 2021 |
| S-3ASR | Automatic shelf registration | Nov 4, 2021 | — |
| 10-Q | Quarterly report | Nov 4, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 12, 2021 | Aug 11, 2021 |
| 424B5 | Prospectus supplement | Aug 12, 2021 | — |
| S-3MEF | Filing | Aug 11, 2021 | — |
| 424B5 | Prospectus supplement | Aug 11, 2021 | — |
| 10-Q | Quarterly report | Aug 10, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2021 | Aug 10, 2021 |
| 8-K |
Current report
Other events
|
Jun 24, 2021 | Jun 24, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2021 | Jun 9, 2021 |
| 10-Q | Quarterly report | May 6, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| DEFA14A | Additional proxy material | Apr 29, 2021 | — |
| DEF 14A | Proxy statement | Apr 29, 2021 | Jun 9, 2021 |
| 8-K |
Current report
Officer or director change
|
Mar 24, 2021 | Mar 23, 2021 |
| SEC STAFF LETTER | Filing | Mar 22, 2021 | — |
| S-8 | Employee stock plan registration | Mar 4, 2021 | — |
| 10-K | Annual report | Mar 4, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Mar 4, 2021 | Feb 26, 2021 |
| SEC STAFF LETTER | Filing | Feb 22, 2021 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jan 20, 2021 | Jan 19, 2021 |
| 424B5 | Prospectus supplement | Jan 20, 2021 | — |
| 424B5 | Prospectus supplement | Jan 19, 2021 | — |
| 8-K |
Current report
Results of operations, Officer or director change
|
Jan 19, 2021 | Jan 15, 2021 |
| 10-Q | Quarterly report | Nov 10, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2020 | Nov 10, 2020 |
| EFFECT | Filing | Aug 17, 2020 | — |
| CORRESP | Letter to the SEC | Aug 13, 2020 | — |
| EFFECT | Filing | Aug 12, 2020 | — |
| UPLOAD | Letter from the SEC | Aug 12, 2020 | — |
| POS AM | Filing | Aug 11, 2020 | — |
| S-3 | Shelf registration | Aug 11, 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
|
Jul 23, 2020 | Jul 20, 2020 |
| EFFECT | Filing | Jun 26, 2020 | — |
| 8-K |
Current report
Other events
|
Jun 26, 2020 | Jun 24, 2020 |
| CORRESP | Letter to the SEC | Jun 24, 2020 | — |
| UPLOAD | Letter from the SEC | Jun 24, 2020 | — |
| S-1 | Registration statement | Jun 22, 2020 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2020 | Jun 11, 2020 |
| D | Filing | Jun 11, 2020 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Jun 10, 2020 | Jun 9, 2020 |
| 10-Q | Quarterly report | May 13, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 13, 2020 | May 13, 2020 |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 11, 2020 |
| 8-K |
Current report
Other events
|
Apr 2, 2020 | Apr 2, 2020 |
| S-8 | Employee stock plan registration | Mar 5, 2020 | — |
| 10-K | Annual report | Mar 5, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2020 | Mar 5, 2020 |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2020 | Jan 2, 2020 |
| 8-K |
Current report
Material agreement
|
Dec 30, 2019 | Dec 20, 2019 |
| 10-Q | Quarterly report | Nov 14, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2019 | Nov 14, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 4, 2019 | Oct 4, 2019 |
| 10-Q | Quarterly report | Aug 26, 2019 | Jun 30, 2019 |
| S-8 | Employee stock plan registration | Aug 26, 2019 | — |
| 8-K |
Current report
Results of operations
|
Aug 26, 2019 | Aug 26, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 22, 2019 | Jul 22, 2019 |
| 424B4 | Prospectus | Jul 18, 2019 | — |
| EFFECT | Filing | Jul 17, 2019 | — |
| CORRESP | Letter to the SEC | Jul 15, 2019 | — |
| CORRESP | Letter to the SEC | Jul 15, 2019 | — |
| CERT | 8a cert | Jul 15, 2019 | — |
| 8-A12B | Filing | Jul 12, 2019 | — |
| S-1/A | Amended registration statement | Jul 12, 2019 | — |
| S-1/A | Amended registration statement | Jul 8, 2019 | — |
| CORRESP | Letter to the SEC | Jun 26, 2019 | — |
| CORRESP | Letter to the SEC | Jun 21, 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- FULC (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Cambridge, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1680581
Other Pharmaceutical Preparations companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.