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, 119 institutions increased and 89 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 -52.7%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jul 20, 2026TANG KEVIN10 percent ownerBuy50,945$3.52
Jul 20, 2026TANG KEVIN10 percent ownerBuy116,671$3.56
Jul 15, 2026TANG KEVIN10 percent ownerBuy53,651$3.56
Jul 15, 2026TANG KEVIN10 percent ownerBuy12,966$3.54
Jul 15, 2026TANG KEVIN10 percent ownerBuy107,377$3.56
Jul 15, 2026TANG KEVIN10 percent ownerBuy75,952$3.58
Jul 2, 2026GERAGHTY JAMES AdirectorGrant32,000$3.66
Jul 2, 2026Hill ColindirectorGrant32,000$3.66
Jul 2, 2026Ezekowitz AlandirectorGrant32,000$3.66
Jul 2, 2026Banks SonjadirectorGrant32,000$3.66
Jul 2, 2026Dorton KatinadirectorGrant32,000$3.66
Jul 2, 2026Gould Robert JdirectorGrant32,000$3.66
Jul 2, 2026Haviland KatedirectorGrant32,000$3.66
Jul 2, 2026King Rachel K.directorGrant32,000$3.66
Jun 30, 2026Ezekowitz AlandirectorSell18,000$3.65
May 1, 2026Lehrer-Graiwer JoshuadirectorGrant64,000$8.08
Feb 4, 2026Sapir Alexdirector, officer: See RemarksGrant650,000$10.72
Feb 4, 2026Tourangeau Gregofficer: Principal Accounting OfficerGrant57,000$10.72
Feb 4, 2026Gould Robert JdirectorSell15,000$10.87
Feb 4, 2026Musso Alan Aofficer: Chief Financial OfficerGrant170,000$10.72
Feb 4, 2026Oltmans Curtis Galeofficer: Chief Legal OfficerGrant170,000$10.72
Jan 6, 2026Gould Robert JdirectorSell15,000$11.87
Dec 17, 2025Oltmans Curtis Galeofficer: Chief Legal OfficerSell3,452$12.92
Dec 10, 2025RA CAPITAL MANAGEMENT, L.P.10 percent ownerSell2,706,397$14.28
Dec 10, 2025RA CAPITAL MANAGEMENT, L.P.10 percent ownerSell1,377,020$13.33
Dec 10, 2025RA CAPITAL MANAGEMENT, L.P.10 percent ownerSell91,722$14.98
Nov 21, 2025Gould Robert JdirectorSell15,000$11.03
Jun 30, 2025Ezekowitz AlandirectorGrant36,000$7.38
Jun 30, 2025GERAGHTY JAMES AdirectorGrant36,000$7.38
Jun 30, 2025Dorton KatinadirectorGrant36,000$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
119
New positions
84
Reduced
89
Sold out
73
Largest moves
InstitutionActionSharesFiled
SUVRETTA CAPITAL MANAGEMENT, LLCUnchanged6.6MMay 15, 2026
SUVRETTA CAPITAL MANAGEMENT, LLCIncreased6.6MFeb 17, 2026
RA CAPITAL MANAGEMENT, L.P.Unchanged6.1MMay 15, 2026
RA CAPITAL MANAGEMENT, L.P.Reduced6.1MFeb 17, 2026
BLACKROCK, INC.Increased5.4MMay 13, 2026
TCG CROSSOVER MANAGEMENT, LLCUnchanged5.3MMay 15, 2026
TCG CROSSOVER MANAGEMENT, LLCUnchanged5.3MFeb 17, 2026
NANTAHALA CAPITAL MANAGEMENT, LLCReduced4.3MFeb 13, 2026
BLACKROCK, INC.Increased4.3MFeb 12, 2026
VANGUARD GROUP INCIncreased3.6MJan 29, 2026
BRAIDWELL LPIncreased3.1MMay 15, 2026
BRAIDWELL LPIncreased3.1MFeb 17, 2026
NANTAHALA CAPITAL MANAGEMENT, LLCReduced3.1MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2.7MMay 15, 2026
POINT72 ASSET MANAGEMENT, L.P.Increased2.4MFeb 17, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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