0001193125-26-059641.txt : 20260219 0001193125-26-059641.hdr.sgml : 20260219 20260219170011 ACCESSION NUMBER: 0001193125-26-059641 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260218 FILED AS OF DATE: 20260219 DATE AS OF CHANGE: 20260219 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SUMER JACQUELYN L CENTRAL INDEX KEY: 0001844824 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39856 FILM NUMBER: 26655450 MAIL ADDRESS: STREET 1: C/O CULLINAN THERAPEUTICS, INC. STREET 2: 1 MAIN STREET SUITE 1350 CITY: CAMBRIDGE STATE: MA ZIP: 02142 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Cullinan Therapeutics, Inc. CENTRAL INDEX KEY: 0001789972 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences EIN: 813879991 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: ONE MAIN STREET STREET 2: SUITE 1350 CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-410-4650 MAIL ADDRESS: STREET 1: ONE MAIN STREET STREET 2: SUITE 1350 CITY: CAMBRIDGE STATE: MA ZIP: 02142 FORMER COMPANY: FORMER CONFORMED NAME: Cullinan Oncology, Inc. DATE OF NAME CHANGE: 20210225 FORMER COMPANY: FORMER CONFORMED NAME: Cullinan Management, Inc. DATE OF NAME CHANGE: 20210107 FORMER COMPANY: FORMER CONFORMED NAME: Cullinan Oncology, LLC DATE OF NAME CHANGE: 20191001 4 1 ownership.xml 4 X0508 4 2026-02-18 0001789972 Cullinan Therapeutics, Inc. CGEM 0001844824 SUMER JACQUELYN L C/O CULLINAN THERAPEUTICS, INC. ONE MAIN STREET, SUITE 1350 CAMBRIDGE MA 02142 false true false false Chief Legal Officer false Stock Option (Right to Buy) 12.44 2026-02-18 4 A false 230000 0 A 2036-02-18 Common Stock 230000 230000 D 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. /s/ Jacquelyn Sumer 2026-02-19