0001562180-23-001533.txt : 20230217 0001562180-23-001533.hdr.sgml : 20230217 20230217180958 ACCESSION NUMBER: 0001562180-23-001533 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230215 FILED AS OF DATE: 20230217 DATE AS OF CHANGE: 20230217 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ordentlich Peter CENTRAL INDEX KEY: 0001594274 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37708 FILM NUMBER: 23644443 MAIL ADDRESS: STREET 1: C/O SYNDAX PHARMACEUTICALS, INC. STREET 2: 400 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 2023-02-15 false 0001395937 Syndax Pharmaceuticals Inc SNDX 0001594274 Ordentlich Peter C/O SYNDAX PHARMACEUTICALS, INC. 35 GATEHOUSE DRIVE, BUILDING D, FLOOR 3 WALTHAM MA 02451 false true false false Chief Scientific Officer Common Stock 2023-02-15 2023-02-15 4 M false 7572.00 6.38 A 7572.00 D Common Stock 2023-02-15 2023-02-15 4 S false 7572.00 25.8437 D 0.00 D Common Stock 2023-02-15 2023-02-15 4 M false 17428.00 7.20 A 17428.00 D Common Stock 2023-02-15 2023-02-15 4 S false 17428.00 25.8437 D 0.00 D Stock Options (Right to buy) 7.20 2023-02-15 4 M false 17428.00 25.8437 D 2025-06-01 Common Stock 17428.00 0.00 D Stock Options (Right to buy) 6.38 2023-02-15 4 M false 7572.00 25.8437 D 2029-02-06 Common Stock 7572.00 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 sales reported in this Form 4, the Reporting Person has a total of 443,841 options to purchase shares of common stock that are vested and immediately exercisable and a total of 202,500 options to purchase shares of common stock that have not yet vested. The sale prices ranged from $25.53 to $26.10. This option is fully vested. /s/ Michael A. Metzger, Attorney-in-Fact 2023-02-17