<SEC-DOCUMENT>0001562180-17-002007-index.html : 20170519
<SEC-HEADER>0001562180-17-002007.hdr.sgml : 20170519
<ACCEPTANCE-DATETIME>20170519112645
ACCESSION NUMBER:		0001562180-17-002007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170517
FILED AS OF DATE:		20170519
DATE AS OF CHANGE:		20170519

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:		400 TOTTEN POND ROAD
		STREET 2:		SUITE 110
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		781-419-1400

	MAIL ADDRESS:	
		STREET 1:		400 TOTTEN POND ROAD
		STREET 2:		SUITE 110
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Katkin Keith
		CENTRAL INDEX KEY:			0001314596

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37708
		FILM NUMBER:		17856859

	MAIL ADDRESS:	
		STREET 1:		C/O PENINSULA PHARMACEUTICALS, INC.
		STREET 2:		1751 HARBOR BAY PARKWAY
		CITY:			ALAMEDA
		STATE:			CA
		ZIP:			94502
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: primarydocument.html

Document 1 - RAW XML: primarydocument.xml

</DOCUMENT>
</SEC-DOCUMENT>