0001725160-23-000172.txt : 20231004 0001725160-23-000172.hdr.sgml : 20231004 20231004202853 ACCESSION NUMBER: 0001725160-23-000172 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231004 DATE AS OF CHANGE: 20231004 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Zentalis Pharmaceuticals, Inc. CENTRAL INDEX KEY: 0001725160 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 823607803 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-39263 FILM NUMBER: 231309566 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: Brownstein Carrie CENTRAL INDEX KEY: 0001894232 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 500 W. 5TH ST. STREET 2: SUITE 1200 CITY: AUSTIN STATE: TX ZIP: 78701 144 1 primary_doc.xml 144 0001894232 XXXXXXXX LIVE 0001725160 Zentalis Pharmaceuticals, Inc. 001-39263 1359 BROADWAY, SUITE 801 New York NY 10018 212-433-3791 Carrie Brownstein Chief Medical Officer Common Morgan Stanley Smith Barney LLC

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10628 207298.08 70749040 10/04/2023 NASDAQ Common 10/03/2023 Restricted Stock Unit Release Issuer N 10628 10/03/2023 NA Y The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that she does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date. 10/04/2023 12/03/2022 /s/ Melissa Epperly, attorney-in-fact for Carrie Brownstein