FULC - CIK 0001680581
Fulcrum Therapeutics, Inc. has filed 477 documents with the SEC between 2016 and 2026. The most frequent type is insider trade (172 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| SCHEDULE 13G/A | - | 2026-05-15 | - |
| SCHEDULE 13G/A | - | 2026-05-15 | - |
| Insider trade | 4 | 2026-05-01 | 2026-04-23 |
| New insider ownership | 3 | 2026-05-01 | 2026-04-23 |
| Proxy materials | DEFA14A | 2026-04-30 | - |
| Annual report to shareholders | ARS | 2026-04-30 | 2025-12-31 |
| Proxy statement | DEF 14A | 2026-04-30 | 2026-06-24 |
| Quarterly report | 10-Q | 2026-04-27 | 2026-03-31 |
| Major company event | 8-K | 2026-04-27 | 2026-04-23 |
| SCHEDULE 13G/A | - | 2026-03-26 | - |
| Employee stock plan | S-8 | 2026-02-24 | - |
| Annual report | 10-K | 2026-02-24 | 2025-12-31 |
| Major company event | 8-K | 2026-02-24 | 2026-02-24 |
| SCHEDULE 13G/A | - | 2026-02-17 | - |
| Insider trade (amended) | 4/A | 2026-02-04 | 2026-01-02 |
| Insider trade | 4 | 2026-02-04 | 2026-02-02 |
| Insider trade | 4 | 2026-02-04 | 2026-02-02 |
| Insider trade | 4 | 2026-02-04 | 2026-02-02 |
| Insider trade | 4 | 2026-02-04 | 2026-02-02 |
| Insider trade | 4 | 2026-02-04 | 2026-02-02 |
| Major company event | 8-K | 2026-01-12 | 2026-01-12 |
| Insider trade | 4 | 2026-01-06 | 2026-01-02 |
| Insider trade | 4 | 2025-12-17 | 2025-12-15 |
| Insider sale notice | 144 | 2025-12-15 | - |
| Major company event | 8-K | 2025-12-11 | 2025-12-10 |
| Prospectus supplement | 424B5 | 2025-12-11 | - |
| SCHEDULE 13G/A | - | 2025-12-10 | - |
| Insider trade | 4 | 2025-12-10 | 2025-12-08 |
| Free writing prospectus | FWP | 2025-12-10 | - |
| Prospectus supplement | 424B5 | 2025-12-08 | - |
| Major company event | 8-K | 2025-12-08 | 2025-12-08 |
| Insider sale notice | 144 | 2025-12-08 | - |
| Insider trade | 4 | 2025-11-21 | 2025-11-19 |
| Insider sale notice | 144 | 2025-11-19 | - |
| SCHEDULE 13G/A | - | 2025-11-13 | - |
| Quarterly report | 10-Q | 2025-10-29 | 2025-09-30 |
| Major company event | 8-K | 2025-10-29 | 2025-10-29 |
| SCHEDULE 13G/A | - | 2025-10-17 | - |
| Major company event | 8-K | 2025-08-28 | 2025-08-28 |
| SCHEDULE 13G/A | - | 2025-08-12 | - |
| Quarterly report | 10-Q | 2025-07-29 | 2025-06-30 |
| Major company event | 8-K | 2025-07-29 | 2025-07-29 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |
| Insider trade | 4 | 2025-06-30 | 2025-06-26 |