JACQUELYN L. SUMER - 24 Feb 2026 Form 4 Insider Report for Cullinan Therapeutics, Inc. (CGEM)

Signature
/s/ Jacquelyn Sumer
Issuer symbol
CGEM
Transactions as of
24 Feb 2026
Net transactions value
-$52,106
Form type
4
Filing time
25 Feb 2026, 17:00:02 UTC
Previous filing
23 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SUMER JACQUELYN L Chief Legal Officer C/O CULLINAN THERAPEUTICS, INC., ONE MAIN STREET, SUITE 1350, CAMBRIDGE /s/ Jacquelyn Sumer 25 Feb 2026 0001844824

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CGEM Common Stock Sale $52,106 -3,601 -2.7% $14.47 128,089 24 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Sale of shares to cover personal income tax obligations upon vesting of restricted stock units.