Curtis Gale Oltmans - 15 Dec 2025 Form 4 Insider Report for Fulcrum Therapeutics, Inc. (FULC)

Role
Chief Legal Officer
Signature
/s/ Curt Oltmans
Issuer symbol
FULC
Transactions as of
15 Dec 2025
Net transactions value
-$44,600
Form type
4
Filing time
17 Dec 2025, 16:10:03 UTC
Previous filing
28 Jan 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Oltmans Curtis Gale Chief Legal Officer C/O FULCRUM THERAPEUTICS, INC., 26 LANDSDOWNE STREET, CAMBRIDGE /s/ Curt Oltmans 17 Dec 2025 0001714982

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FULC Common Stock Sale $44,600 -3,452 -25% $12.92 10,252 15 Dec 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 8, 2025.
F2 Includes 10,252 shares that were previously acquired under the Issuer's employee stock purchase plan.