0001415889-24-012255.txt : 20240503 0001415889-24-012255.hdr.sgml : 20240503 20240503184815 ACCESSION NUMBER: 0001415889-24-012255 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240501 FILED AS OF DATE: 20240503 DATE AS OF CHANGE: 20240503 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: 24915022 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 form4-05032024_100509.xml X0508 4 2024-05-01 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 1 Common Stock 2024-05-01 4 S 0 70051 17.8753 D 651762 D Common Stock 2024-05-02 4 S 0 6 17.9375 D 651756 D Common Stock 2024-05-03 4 S 0 9154 17.852 D 642602 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 The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 3, 2023. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.84 to $18.04 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.85 to $17.955 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.84 to $17.96 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. 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. /s/ Charles N. York II, as Attorney-in-Fact 2024-05-03