Fulcrum Therapeutics, Inc. (FULC) Insider Trading
Over the last 3 months, FULC insiders made 6 open-market buys and 1 sale, a net purchase of $1.4M (SEC Form 4). Over the last 6 months, 69 institutions increased and 45 reduced their position (13F).
Insider Activity
Sentiment
95/100
Buys (3m)
6
Sells (3m)
1
Net (3m)
$1.4M
Insiders buying
Insider trades by month Buys Sells
Nov
Dec
Jan
Feb
Jun
Jul
Context3-month price -40%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 20, 2026 | TANG KEVIN10 percent owner | Buy | 50,945 | $3.52 |
| Jul 20, 2026 | TANG KEVIN10 percent owner | Buy | 116,671 | $3.56 |
| Jul 15, 2026 | TANG KEVIN10 percent owner | Buy | 53,651 | $3.56 |
| Jul 15, 2026 | TANG KEVIN10 percent owner | Buy | 12,966 | $3.54 |
| Jul 15, 2026 | TANG KEVIN10 percent owner | Buy | 107,377 | $3.56 |
| Jul 15, 2026 | TANG KEVIN10 percent owner | Buy | 75,952 | $3.58 |
| Jul 2, 2026 | GERAGHTY JAMES Adirector | Grant | 32,000 | $3.66 |
| Jul 2, 2026 | Hill Colindirector | Grant | 32,000 | $3.66 |
| Jul 2, 2026 | Ezekowitz Alandirector | Grant | 32,000 | $3.66 |
| Jul 2, 2026 | Banks Sonjadirector | Grant | 32,000 | $3.66 |
| Jul 2, 2026 | Dorton Katinadirector | Grant | 32,000 | $3.66 |
| Jul 2, 2026 | Gould Robert Jdirector | Grant | 32,000 | $3.66 |
| Jul 2, 2026 | Haviland Katedirector | Grant | 32,000 | $3.66 |
| Jul 2, 2026 | King Rachel K.director | Grant | 32,000 | $3.66 |
| Jun 30, 2026 | Ezekowitz Alandirector | Sell | 18,000 | $3.65 |
| May 1, 2026 | Lehrer-Graiwer Joshuadirector | Grant | 64,000 | $8.08 |
| Feb 4, 2026 | Sapir Alexdirector, officer: See Remarks | Grant | 650,000 | $10.72 |
| Feb 4, 2026 | Tourangeau Gregofficer: Principal Accounting Officer | Grant | 57,000 | $10.72 |
| Feb 4, 2026 | Gould Robert Jdirector | Sell | 15,000 | $10.87 |
| Feb 4, 2026 | Musso Alan Aofficer: Chief Financial Officer | Grant | 170,000 | $10.72 |
| Feb 4, 2026 | Oltmans Curtis Galeofficer: Chief Legal Officer | Grant | 170,000 | $10.72 |
| Jan 6, 2026 | Gould Robert Jdirector | Sell | 15,000 | $11.87 |
| Dec 17, 2025 | Oltmans Curtis Galeofficer: Chief Legal Officer | Sell | 3,452 | $12.92 |
| Dec 10, 2025 | RA CAPITAL MANAGEMENT, L.P.10 percent owner | Sell | 2,706,397 | $14.28 |
| Dec 10, 2025 | RA CAPITAL MANAGEMENT, L.P.10 percent owner | Sell | 1,377,020 | $13.33 |
| Dec 10, 2025 | RA CAPITAL MANAGEMENT, L.P.10 percent owner | Sell | 91,722 | $14.98 |
| Nov 21, 2025 | Gould Robert Jdirector | Sell | 15,000 | $11.03 |
| Jun 30, 2025 | Ezekowitz Alandirector | Grant | 36,000 | $7.38 |
| Jun 30, 2025 | GERAGHTY JAMES Adirector | Grant | 36,000 | $7.38 |
| Jun 30, 2025 | Dorton Katinadirector | Grant | 36,000 | $7.38 |
Source: FULC SEC Form 4 filings, latest Jul 20, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their FULC positions over the last 6 months (SEC Form 13F).
Increased
69
New positions
39
Reduced
45
Sold out
168
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC | Unchanged | 6.6M | May 15, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Unchanged | 6.1M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 5.4M | May 13, 2026 |
| TCG CROSSOVER MANAGEMENT, LLC | Unchanged | 5.3M | May 15, 2026 |
| BRAIDWELL LP | Increased | 3.1M | May 15, 2026 |
| NANTAHALA CAPITAL MANAGEMENT, LLC | Reduced | 3.1M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 2.7M | May 15, 2026 |
| SIREN, L.L.C. | Increased | 2.4M | May 14, 2026 |
| FIRST TURN MANAGEMENT, LLC | Increased | 2.3M | May 15, 2026 |
| ABRDN PLC | Increased | 2.2M | Apr 29, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | Increased | 2.2M | May 15, 2026 |
| POINT72 ASSET MANAGEMENT, L.P. | Reduced | 2.1M | May 15, 2026 |
| GSK PLC | Unchanged | 1.8M | May 14, 2026 |
| Jones Hill Capital LP | New Position | 1.8M | May 14, 2026 |
| D. E. SHAW & CO., INC. | Reduced | 1.6M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.