0001562180-21-003670.txt : 20210520 0001562180-21-003670.hdr.sgml : 20210520 20210520164620 ACCESSION NUMBER: 0001562180-21-003670 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210518 FILED AS OF DATE: 20210520 DATE AS OF CHANGE: 20210520 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Egros Fabrice CENTRAL INDEX KEY: 0001597085 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 21945086 MAIL ADDRESS: STREET 1: C/O SYNDAX PHARMACEUTICALS, INC. STREET 2: TOTTEN POND ROAD, SUITE 140 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 X0306 4 2021-05-18 false 0001395937 Syndax Pharmaceuticals Inc SNDX 0001597085 Egros Fabrice C/O SYNDAX PHARMACEUTICALS, INC. 35 GATEHOUSE DRIVE, BUILDING D, FLOOR 3 WALTHAM MA 02451 true false false false Common Stock 2021-05-18 4 M false 11926.00 7.20 A 27926.00 D Common Stock 2021-05-18 4 M false 1683.00 7.88 A 29609.00 D Common Stock 2021-05-18 4 S false 11926.00 18.6482 D 17683.00 D Common Stock 2021-05-18 4 S false 1683.00 18.6482 D 16000.00 D Stock Options (Right to buy) 7.88 2021-05-18 4 M false 1683.00 0.00 D 2029-06-10 Common Stock 0.00 0.00 D Stock Options (Right to buy) 7.20 2021-05-18 4 M false 11926.00 0.00 D 2025-08-18 Common Stock 0.00 0.00 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person. Following the sale reported in this Form 4, the Reporting Person has a total of 93,317 options to purchase shares of common stock that are vested and immediately exercisable and a total of 0 options to purchase shares of common stock that have not yet vested. This option is fully vested. /s/ Michael A. Metzger, Attorney-in-Fact 2021-05-20