10 insiders reported 31 Form 4 transactions for Fulcrum Therapeutics, Inc. (FULC) over the past 18 months (most recent 2026-07-20). Recent activity: TANG KEVIN (10% Owner) Buy 116,671 shares, TANG CAPITAL MANAGEMENT LLC (10% Owner) Buy 116,671 shares, TANG KEVIN (10% Owner) Buy 50,945 shares, TANG CAPITAL MANAGEMENT LLC (10% Owner) Buy 50,945 shares, TANG KEVIN (10% Owner) Buy 12,966 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-20 | TANG KEVIN | 10% Owner | Buy | 116,671 | $415,349 |
| 2026-07-20 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | Buy | 116,671 | $415,349 |
| 2026-07-20 | TANG KEVIN | 10% Owner | Buy | 50,945 | $179,326 |
| 2026-07-20 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | Buy | 50,945 | $179,326 |
| 2026-07-15 | TANG KEVIN | 10% Owner | Buy | 12,966 | $45,900 |
| 2026-07-15 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | Buy | 12,966 | $45,900 |
| 2026-07-15 | TANG KEVIN | 10% Owner | Buy | 53,651 | $190,998 |
| 2026-07-15 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | Buy | 53,651 | $190,998 |
| 2026-07-15 | TANG KEVIN | 10% Owner | Buy | 75,952 | $271,908 |
| 2026-07-15 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | Buy | 75,952 | $271,908 |
| 2026-07-15 | TANG KEVIN | 10% Owner | Buy | 107,377 | $382,262 |
| 2026-07-15 | TANG CAPITAL MANAGEMENT LLC | 10% Owner | Buy | 107,377 | $382,262 |
| 2026-06-30 | Ezekowitz Alan | Director | Sell | 18,000 | $65,700 |
| 2026-02-04 | Gould Robert J | Director | Sell | 15,000 | $163,050 |
| 2026-02-04 | Gould Robert J | Director | Sell | 15,000 | $160,800 |
| 2026-01-06 | Gould Robert J | Director | Sell | 15,000 | $178,050 |
| 2025-12-17 | Oltmans Curtis Gale | Chief Legal Officer | Sell | 3,452 | $44,600 |
| 2025-12-10 | RA Capital Healthcare Fund LP | 10% Owner | Sell | 1.4M | $18.4M |
| 2025-12-10 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Sell | 1.4M | $18.4M |
| 2025-12-10 | Kolchinsky Peter | 10% Owner | Sell | 1.4M | $18.4M |
| 2025-12-10 | Shah Rajeev M. | 10% Owner | Sell | 1.4M | $18.4M |
| 2025-12-10 | RA Capital Healthcare Fund LP | 10% Owner | Sell | 2.7M | $38.6M |
| 2025-12-10 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Sell | 2.7M | $38.6M |
| 2025-12-10 | Kolchinsky Peter | 10% Owner | Sell | 2.7M | $38.6M |
| 2025-12-10 | Shah Rajeev M. | 10% Owner | Sell | 2.7M | $38.6M |
Source: SEC Form 4 filings · as of 2026-07-20