0001562180-23-000954.txt : 20230203 0001562180-23-000954.hdr.sgml : 20230203 20230203170112 ACCESSION NUMBER: 0001562180-23-000954 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230202 FILED AS OF DATE: 20230203 DATE AS OF CHANGE: 20230203 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Madigan Catherine CENTRAL INDEX KEY: 0001914577 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 23587000 MAIL ADDRESS: STREET 1: 35 GATEHOUSE DRIVE STREET 2: BUILDING D, FLOOR 3 CITY: WALTHAM STATE: MA ZIP: 02451 FORMER NAME: FORMER CONFORMED NAME: Madigan Catherine J DATE OF NAME CHANGE: 20220302 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Syndax Pharmaceuticals Inc CENTRAL INDEX KEY: 0001395937 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 320162505 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 35 GATEHOUSE DRIVE STREET 2: BUILDING D, FLOOR 3 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 781-419-1400 MAIL ADDRESS: STREET 1: 35 GATEHOUSE DRIVE STREET 2: BUILDING D, FLOOR 3 CITY: WALTHAM STATE: MA ZIP: 02451 4 1 primarydocument.xml PRIMARY DOCUMENT X0306 4 2023-02-02 false 0001395937 Syndax Pharmaceuticals Inc SNDX 0001914577 Madigan Catherine C/O SYNDAX PHARMACEUTICALS, INC. 35 GATEHOUSE DRIVE, BLDG. D, FLOOR 3 WALTHAM MA 02451 false true false false Chief Medical Officer Stock Options (Right to buy) 28.55 2023-02-02 4 A false 110000.00 28.55 A 2033-02-02 Common Stock 110000.00 110000.00 D 1/48th of the shares subject to the option shall vest monthly over a four-year period. /s/ Michael A. Metzger, Attorney-in-Fact 2023-02-03