Jennifer Michaelson - 18 Feb 2026 Form 4 Insider Report for Cullinan Therapeutics, Inc. (CGEM)

Role
Chief Scientific Officer
Signature
/s/ Jacquelyn Sumer, Attorney-in-Fact
Issuer symbol
CGEM
Transactions as of
18 Feb 2026
Net transactions value
$0
Form type
4
Filing time
19 Feb 2026, 17:00:03 UTC
Previous filing
13 Feb 2026
Next filing
23 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Michaelson Jennifer Chief Scientific Officer C/O CULLINAN THERAPEUTICS, INC., ONE MAIN STREET, SUITE 1350, CAMBRIDGE /s/ Jacquelyn Sumer, Attorney-in-Fact 19 Feb 2026 0001838061

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CGEM Common Stock Award $0 +57,500 +45% $0.000000 185,719 18 Feb 2026 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CGEM Stock Option (Right to Buy) Award $0 +115,000 $0.000000 115,000 18 Feb 2026 Common Stock 115,000 $12.44 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares underlying the restricted stock unit vest on an annual basis over four years.
F2 The shares underlying the option vest over four years, with one forty-eighth (1/48th) of the shares vesting in equal monthly installments until the fourth anniversary of the grant date.