0001209191-24-001950.txt : 20240119 0001209191-24-001950.hdr.sgml : 20240119 20240119172255 ACCESSION NUMBER: 0001209191-24-001950 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240117 FILED AS OF DATE: 20240119 DATE AS OF CHANGE: 20240119 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Grossman William CENTRAL INDEX KEY: 0001730229 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40431 FILM NUMBER: 24546498 MAIL ADDRESS: STREET 1: C/O BELLICUM PHARMACEUTICALS, INC. STREET 2: 2130 W. HOLCOMBE BLVD., STE. 800 CITY: HOUSTON STATE: TX ZIP: 77030 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Day One Biopharmaceuticals, Inc. CENTRAL INDEX KEY: 0001845337 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 832415215 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2000 SIERRA POINT PARKWAY, SUITE 501 CITY: BRISBANE STATE: CA ZIP: 94005 BUSINESS PHONE: 650 484-0899 MAIL ADDRESS: STREET 1: 2000 SIERRA POINT PARKWAY, SUITE 501 CITY: BRISBANE STATE: CA ZIP: 94005 FORMER COMPANY: FORMER CONFORMED NAME: Day One Biopharmaceuticals Holding Co LLC DATE OF NAME CHANGE: 20210209 4 1 doc4.xml FORM 4 SUBMISSION X0508 4 2024-01-17 0 0001845337 Day One Biopharmaceuticals, Inc. DAWN 0001730229 Grossman William 2000 SIERRA POINT PARKWAY, SUITE 501 BRISBANE CA 94005 1 0 0 0 0 Stock Option (right to buy Common Stock) 13.81 2024-01-17 4 A 0 66660 0.00 A 2034-01-16 Common Stock 66660 66660 D The option vests as to 1/36th of the total shares on each monthly anniversary, beginning on February 17, 2024, subject to the Reporting Person's provision of service to the Issuer on each vesting date. /s/ Charles N. York II, as Attorney-in-Fact 2024-01-19