0001562180-23-001117.txt : 20230208
0001562180-23-001117.hdr.sgml : 20230208
20230208164908
ACCESSION NUMBER: 0001562180-23-001117
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20230206
FILED AS OF DATE: 20230208
DATE AS OF CHANGE: 20230208
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Morrison Briggs
CENTRAL INDEX KEY: 0001654430
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-37708
FILM NUMBER: 23599766
MAIL ADDRESS:
STREET 1: C/O SYNDAX PHARMACEUTICALS, INC.
STREET 2: 400 TOTTEN POND ROAD, SUITE 110
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
2023-02-06
false
0001395937
Syndax Pharmaceuticals Inc
SNDX
0001654430
Morrison Briggs
C/O SYNDAX PHARMACEUTICALS, INC.
35 GATEHOUSE DRIVE, BUILDING D, FLOOR 3
WALTHAM
MA
02451
true
true
false
false
President, Head of R&D
Common Stock
2023-02-06
4
M
false
52854.00
6.38
A
70690.00
D
Common Stock
2023-02-06
4
S
false
52854.00
26.8269
D
17836.00
D
Stock Options (Right to buy)
6.38
2023-02-06
4
M
false
52854.00
0.00
D
2029-02-06
Common Stock
52854.00
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 811,146 options to purchase shares of common stock that are vested and immediately exercisable and a total of 313,000 options to purchase shares of common stock that have not yet vested.
The sale prices ranged from $26.49 to $27.91.
This option is fully vested.
/s/ Michael A. Metzger, Attorney-in-fact
2023-02-08