0001415889-24-004452.txt : 20240220 0001415889-24-004452.hdr.sgml : 20240220 20240220181448 ACCESSION NUMBER: 0001415889-24-004452 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240215 FILED AS OF DATE: 20240220 DATE AS OF CHANGE: 20240220 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Bender Jeremy CENTRAL INDEX KEY: 0001863107 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40431 FILM NUMBER: 24655501 MAIL ADDRESS: STREET 1: 395 OYSTER POINT BLVD. STREET 2: SUITE 217 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 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 form4-02202024_110237.xml X0508 4 2024-02-15 0001845337 Day One Biopharmaceuticals, Inc. DAWN 0001863107 Bender Jeremy 2000 SIERRA POINT PARKWAY, SUITE 501 BRISBANE CA 94005 true true false false CHIEF EXECUTIVE OFFICER 0 Common Stock 2024-02-15 4 M 0 3562 A 712991 D Common Stock 2024-02-15 4 M 0 4750 A 717741 D Common Stock 2024-02-15 4 M 0 11687 A 729428 D Common Stock 2024-02-16 4 S 0 7615 15.2481 D 721813 D Common Stock 221837 I See footnote Common Stock 300025 I See footnote Common Stock 251636 I See footnote Common Stock 270226 I See footnote Restricted Stock Unit (RSU) 2024-02-15 4 M 0 3562 0 D Common Stock 3562 24942 D Restricted Stock Unit (RSU) 2024-02-15 4 M 0 4750 0 D Common Stock 4750 52250 D Restricted Stock Unit (RSU) 2024-02-15 4 M 0 11687 0 D Common Stock 11687 175313 D Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock upon settlement for no consideration. The sale of shares is for the sole purpose of covering the Reporting Person's tax liability with respect to the settlement of RSUs. Represents shares held by The Jeremy Bender 2022 Grantor Retained Annuity Trust under Irrevocable Trust Agreement dated March 29, 2022 of which the Reporting Person is trustee. Represents shares held by The Jeremy Bender 2023 Grantor Retained Annuity Trust dated June 27, 2023. Represents shares held by The Melissa Bender 2022 Grantor Retained Annuity Trust under Irrevocable Trust Agreement dated March 29, 2022 of which the Reporting Person's spouse is trustee. Represents shares held by The Melissa Bender 2023 Grantor Retained Annuity Trust, dated June 27, 2023. The RSUs will vest as to 1/16th of the total award in quarterly installments on February 15, May 15, August 15 and November 15, 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 2024-02-20