0001725160-24-000129.txt : 20240531 0001725160-24-000129.hdr.sgml : 20240531 20240531182802 ACCESSION NUMBER: 0001725160-24-000129 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240531 DATE AS OF CHANGE: 20240531 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Zentalis Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001725160 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 823607803 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-39263 FILM NUMBER: 241011392 BUSINESS ADDRESS: STREET 1: 1359 BROADWAY, SUITE 801 CITY: NEW YORK STATE: NY ZIP: 10018 BUSINESS PHONE: (212) 433-3791 MAIL ADDRESS: STREET 1: 1359 BROADWAY, SUITE 801 CITY: NEW YORK STATE: NY ZIP: 10018 FORMER COMPANY: FORMER CONFORMED NAME: Zentalis Pharmaceuticals, LLC DATE OF NAME CHANGE: 20200107 FORMER COMPANY: FORMER CONFORMED NAME: Zeno Pharma, LLC DATE OF NAME CHANGE: 20171212 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Gallagher Cam CENTRAL INDEX KEY: 0001557832 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 6042 CORNERSTONE CT. WEST STREET 2: SUITE B CITY: SAN DIEGO STATE: CA ZIP: 92121 144 1 primary_doc.xml 144 0001557832 XXXXXXXX LIVE 0001725160 Zentalis Pharmaceuticals, Inc. 001-39263 1359 BROADWAY Suite 801 New York NY 10018 212-433-3791 Cam Gallagher Director Officer - President & Interim CFO Common Morgan Stanley Smith Barney LLC

1 New York Plaza, 38th Floor New York NY 10004

9597 114977.82 71054245 05/31/2024 NASDAQ Common 05/30/2024 Restricted Stock Unit Release Issuer N 9597 05/30/2024 NA Y The sale reported in this Form 144 was to satisfy withholding tax obligations upon the vesting of restricted stock units, and was effected pursuant to a Rule 10b5-1 trading arrangement adopted by the Reporting Person. 05/31/2024 08/18/2021 /s/ Andrea Paul, attorney-in-fact for Cam S. Gallagher