0001562180-21-006652.txt : 20211027 0001562180-21-006652.hdr.sgml : 20211027 20211027161134 ACCESSION NUMBER: 0001562180-21-006652 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211025 FILED AS OF DATE: 20211027 DATE AS OF CHANGE: 20211027 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Metzger Michael A CENTRAL INDEX KEY: 0001507220 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 211352889 MAIL ADDRESS: STREET 1: C/O SYNDAX PHARMACEUTICALS, INC. STREET 2: 400 TOTTEN POND ROAD, 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 2021-10-25 false 0001395937 Syndax Pharmaceuticals Inc SNDX 0001507220 Metzger Michael A C/O SYNDAX PHARMACEUTICALS, INC. 35 GATEHOUSE DRIVE, BUILDING D, FLOOR 3 WALTHAM MA 02451 true true false false President and COO Common Stock 2021-10-25 2021-10-25 4 M false 44704.00 7.20 A 62363.00 D Common Stock 2021-10-25 2021-10-25 4 S false 44704.00 19.1333 D 17659.00 D Common Stock 2021-10-26 2021-10-26 4 M false 16296.00 7.20 A 33955.00 D Common Stock 2021-10-26 2021-10-26 4 S false 16296.00 19.1964 D 17659.00 D Stock Options (Right to buy) 7.20 2021-10-25 4 M false 44704.00 0.00 D 2025-06-01 Common Stock 44704.00 0.00 D Stock Options (Right to buy) 7.20 2021-10-26 4 M false 16296.00 0.00 D 2025-06-01 Common Stock 16296.00 0.00 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person. The share price ranged from $19.00 to $19.48 The sales price ranged from $19.01 to $19.33 This option is fully vested. /s/ Michael A. Metzger 2021-10-27