<SEC-DOCUMENT>0000950170-25-019000-index.html : 20250212
<SEC-HEADER>0000950170-25-019000.hdr.sgml : 20250212
<ACCEPTANCE-DATETIME>20250212171520
ACCESSION NUMBER:		0000950170-25-019000
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250210
FILED AS OF DATE:		20250212
DATE AS OF CHANGE:		20250212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Metzger Michael A
		CENTRAL INDEX KEY:			0001507220
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37708
		FILM NUMBER:		25616044

	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]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				320162505
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		730 THIRD AVENUE
		STREET 2:		9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		781-419-1400

	MAIL ADDRESS:	
		STREET 1:		730 THIRD AVENUE
		STREET 2:		9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>