Fulcrum Therapeutics, Inc. (FULC) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-15

Fulcrum Therapeutics, Inc. (FULC) has filed 11 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-15. 5 Form 8-K material event filings were reported by FULC in the last 90 days. 1 Form 144 notices of proposed sale were filed for FULC stock. InsiderAlpha tracks every FULC SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Fulcrum Therapeutics, Inc. (FULC)

SEC CIK0001680581

90-Day SEC Filing Activity

Form 4 filings (90d)11
Form 8-K filings (90d)5
Form 144 notices (90d)1
Latest Form 4 filing2026-07-15

Recent FULC Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
TANG KEVINInsiderP — Open-market purchase107.4K$3.56$382KSEC
TANG KEVINInsiderP — Open-market purchase76.0K$3.58$272KSEC
TANG KEVINInsiderP — Open-market purchase53.7K$3.56$191KSEC
TANG KEVINInsiderP — Open-market purchase13.0K$3.54$46KSEC
Ezekowitz AlanInsiderS — Open-market sale18.0K$3.65$66KSEC
Gould Robert JInsiderS — Open-market sale [10b5-1]15.0K$10.87$163KSEC
Gould Robert JInsiderS — Open-market sale [10b5-1]15.0K$11.87$178KSEC
Oltmans Curtis GaleChief Legal OfficerS — Open-market sale [10b5-1]3.5K$12.92$45KSEC
Gould Robert JInsiderS — Open-market sale [10b5-1]15.0K$11.03$165KSEC

All transactions sourced from SEC EDGAR Form 4 filings for Fulcrum Therapeutics, Inc. (FULC). Updated in real time as new filings are submitted to the SEC.

Most-Active FULC Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
TANG KEVIN4$891K
Ezekowitz Alan2$66K
Haviland Kate1—
King Rachel K.1—
GERAGHTY JAMES A1—

Recent FULC Form 8-K Material Events

Recent FULC Form 144 Notices of Proposed Sale

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in FULC insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

FULC Insider Trading — FAQ

What is the latest insider trade for FULC?
Fulcrum Therapeutics, Inc. (FULC) had 11 insider filings in the last 90 days, with the most recent on 2026-07-15. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying FULC stock?
0 insider purchases of FULC were filed in the last 90 days.
How many insiders are selling FULC stock?
0 insider sales of FULC were filed in the last 90 days.
Where can I see FULC SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every FULC SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live FULC dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.