FULC
Fulcrum Therapeutics, Inc.
NASDAQ · Healthcare · Biotechnology · US
$3.76
−0.27%6
Insider buys (3m)
1
Insider sells (3m)
$1.4M
Net value (3m)
+0.3%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 20, 2026 | TANG KEVIN · 10 percent owner | Purchase | 50,945 | $3.52 |
| Jul 20, 2026 | TANG KEVIN · 10 percent owner | Purchase | 116,671 | $3.56 |
| Jul 15, 2026 | TANG KEVIN · 10 percent owner | Purchase | 53,651 | $3.56 |
| Jul 15, 2026 | TANG KEVIN · 10 percent owner | Purchase | 12,966 | $3.54 |
| Jul 15, 2026 | TANG KEVIN · 10 percent owner | Purchase | 107,377 | $3.56 |
| Jul 15, 2026 | TANG KEVIN · 10 percent owner | Purchase | 75,952 | $3.58 |
| Jul 2, 2026 | GERAGHTY JAMES A · director | A-Award | 32,000 | $3.66 |
| Jul 2, 2026 | Hill Colin · director | A-Award | 32,000 | $3.66 |
| Jul 2, 2026 | Ezekowitz Alan · director | A-Award | 32,000 | $3.66 |
| Jul 2, 2026 | Banks Sonja · director | A-Award | 32,000 | $3.66 |
| Jul 2, 2026 | Dorton Katina · director | A-Award | 32,000 | $3.66 |
| Jul 2, 2026 | Gould Robert J · director | A-Award | 32,000 | $3.66 |
| Jul 2, 2026 | Haviland Kate · director | A-Award | 32,000 | $3.66 |
| Jul 2, 2026 | King Rachel K. · director | A-Award | 32,000 | $3.66 |
| Jun 30, 2026 | Ezekowitz Alan · director | Sale | 18,000 | $3.65 |
| May 1, 2026 | Lehrer-Graiwer Joshua · director | A-Award | 64,000 | $8.08 |
| Feb 4, 2026 | Sapir Alex · director, officer: See Remarks | A-Award | 650,000 | $11 |
| Feb 4, 2026 | Tourangeau Greg · officer: Principal Accounting Officer | A-Award | 57,000 | $11 |
| Feb 4, 2026 | Gould Robert J · director | Sale | 15,000 | $11 |
| Feb 4, 2026 | Musso Alan A · officer: Chief Financial Officer | A-Award | 170,000 | $11 |
| Feb 4, 2026 | Oltmans Curtis Gale · officer: Chief Legal Officer | A-Award | 170,000 | $11 |
| Jan 6, 2026 | Gould Robert J · director | Sale | 15,000 | $12 |
| Dec 17, 2025 | Oltmans Curtis Gale · officer: Chief Legal Officer | Sale | 3,452 | $13 |
| Dec 10, 2025 | RA CAPITAL MANAGEMENT, L.P. · 10 percent owner | Sale | 2,706,397 | $14 |
| Dec 10, 2025 | RA CAPITAL MANAGEMENT, L.P. · 10 percent owner | Sale | 1,377,020 | $13 |
| Dec 10, 2025 | RA CAPITAL MANAGEMENT, L.P. · 10 percent owner | Sale | 91,722 | $15 |
| Nov 21, 2025 | Gould Robert J · director | Sale | 15,000 | $11 |
| Jun 30, 2025 | Ezekowitz Alan · director | A-Award | 36,000 | $7.38 |
| Jun 30, 2025 | GERAGHTY JAMES A · director | A-Award | 36,000 | $7.38 |
| Jun 30, 2025 | Dorton Katina · director | A-Award | 36,000 | $7.38 |
Institutional positioning
13F filings over the trailing two quarters
New 66Increased 142Reduced 79Sold out 42
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 8,824,259 | Aug 7, 2026 |
| SUVRETTA CAPITAL MANAGEMENT, LLC | Unchanged | 6,561,111 | May 15, 2026 |
| EcoR1 Capital, LLC | New Position | 6,549,866 | Aug 14, 2026 |
| TANG CAPITAL MANAGEMENT LLC | New Position | 6,521,412 | Aug 14, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Unchanged | 6,053,960 | May 15, 2026 |
| Nantahala Capital Management, LLC | Increased | 5,475,040 | Aug 19, 2026 |
| BLACKROCK, INC. | Increased | 5,390,593 | May 13, 2026 |
| TCG CROSSOVER MANAGEMENT, LLC | Unchanged | 5,250,000 | May 15, 2026 |
| SUVRETTA CAPITAL MANAGEMENT, LLC | Reduced | 3,680,921 | Aug 14, 2026 |
| BRAIDWELL LP | Increased | 3,134,922 | May 15, 2026 |
| NANTAHALA CAPITAL MANAGEMENT, LLC | Reduced | 3,050,040 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Increased | 3,044,385 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 2,941,705 | Sep 2, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 2,697,216 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2,692,948 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 20, 2026