0001562180-22-006706.txt : 20220916
0001562180-22-006706.hdr.sgml : 20220916
20220916173418
ACCESSION NUMBER: 0001562180-22-006706
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20220914
FILED AS OF DATE: 20220916
DATE AS OF CHANGE: 20220916
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: 221248903
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
2022-09-14
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
2022-09-14
4
M
false
87645.00
7.20
A
105481.00
D
Common Stock
2022-09-14
4
S
false
87645.00
23.7989
D
17836.00
D
Common Stock
2022-09-15
4
M
false
66775.00
7.20
A
84611.00
D
Common Stock
2022-09-15
4
S
false
66775.00
24.2012
D
17836.00
D
Common Stock
2022-09-16
4
M
false
71966.00
7.20
A
89802.00
D
Common Stock
2022-09-16
4
S
false
71966.00
23.2195
D
17836.00
D
Common Stock
2022-09-16
4
M
false
53034.00
10.90
A
70870.00
D
Common Stock
2022-09-16
4
S
false
53034.00
23.2195
D
17836.00
D
Stock Options (Right to buy)
7.20
2022-09-14
4
M
false
87645.00
0.00
D
2025-06-30
Common Stock
87645.00
0.00
D
Stock Options (Right to buy)
7.20
2022-09-15
4
M
false
66775.00
0.00
D
2025-06-30
Common Stock
66775.00
0.00
D
Stock Options (Right to buy)
10.90
2022-09-16
4
M
false
53034.00
0.00
D
2025-09-09
Common Stock
53034.00
0.00
D
Stock Options (Right to buy)
7.20
2022-09-16
4
M
false
71966.00
0.00
D
2025-06-30
Common Stock
71966.00
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 948,946 options to purchase shares of common stock that are vested and immediately exercisable and a total of 245,042 options to purchase shares of common stock that have not yet vested.
The sale prices ranged from $23.36 to $24.01
The sale prices ranged from $23.36 to $24.64
The sale prices ranged from $22.96 to $23.99
This option is fully vested.
/s/ Michael A. Metzger, Attorney-in-fact
2022-09-16