0001562180-23-003520.txt : 20230412 0001562180-23-003520.hdr.sgml : 20230412 20230412160244 ACCESSION NUMBER: 0001562180-23-003520 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230410 FILED AS OF DATE: 20230412 DATE AS OF CHANGE: 20230412 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gallagher Neil CENTRAL INDEX KEY: 0001972849 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 23815670 MAIL ADDRESS: STREET 1: 35 GATEHOUSE DRIVE STREET 2: BUILDING D, FLOOR 3 CITY: WALTHAM STATE: MA ZIP: 02451 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 X0407 4 2023-04-10 false 0001395937 Syndax Pharmaceuticals Inc SNDX 0001972849 Gallagher Neil 35 GATEHOUSE DRIVE, BUILDING D, FLOOR 3 WALTHAM MA 02451 false true false false President, Head of R&D false Stock Options (Right to buy) 19.35 2023-04-10 4 A false 250000.00 19.35 A 2033-04-10 Common Stock 250000.00 250000.00 D Twenty five percent (25%) of the total number of shares underlying the option shall vest on April 10, 2024, and one-thirty-sixth (1/36th) of the remaining shares underlying the option shall vest monthly thereafter on the last day of each month, subject to the reporting person's continuous service on the relevant vesting dates. /s/ Michael A. Metzger, Attorney-in-Fact 2023-04-12