0001209191-22-039049.txt : 20220623 0001209191-22-039049.hdr.sgml : 20220623 20220623181014 ACCESSION NUMBER: 0001209191-22-039049 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220621 FILED AS OF DATE: 20220623 DATE AS OF CHANGE: 20220623 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Grant Papanek Julie CENTRAL INDEX KEY: 0001673237 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40431 FILM NUMBER: 221036552 MAIL ADDRESS: STREET 1: 2765 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 FORMER NAME: FORMER CONFORMED NAME: Papanek Julie DATE OF NAME CHANGE: 20160427 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Day One Biopharmaceuticals, Inc. CENTRAL INDEX KEY: 0001845337 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 832415215 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 395 OYSTER POINT BLVD STE 217 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080-1930 BUSINESS PHONE: 206-913-4300 MAIL ADDRESS: STREET 1: 395 OYSTER POINT BLVD STE 217 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080-1930 FORMER COMPANY: FORMER CONFORMED NAME: Day One Biopharmaceuticals Holding Co LLC DATE OF NAME CHANGE: 20210209 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2022-06-21 0 0001845337 Day One Biopharmaceuticals, Inc. DAWN 0001673237 Grant Papanek Julie 395 OYSTER POINT BLVD, SUITE 217 SOUTH SAN FRANCISCO CA 94080 1 0 0 0 Director Stock Option (Right to buy Common Stock) 16.29 2022-06-21 4 A 0 28700 0.00 A 2032-06-20 Common Stock 28700 28700 D The option vests as to 1/12th of the total shares on each monthly anniversary, beginning on July 21, 2022, 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 for Reporting Person 2022-06-23