<SEC-DOCUMENT>0001193125-24-048135-index.html : 20240227
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<ACCEPTANCE-DATETIME>20240227172837
ACCESSION NUMBER:		0001193125-24-048135
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		11
FILED AS OF DATE:		20240227
DATE AS OF CHANGE:		20240227
EFFECTIVENESS DATE:		20240227

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-277424
		FILM NUMBER:		24688741

	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
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Document 1 - file: d769699ds3asr.htm

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<DESCRIPTION>EX-4.6
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Document 2 - file: d769699dex46.htm

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<FILENAME>d769699dex48.htm
<DESCRIPTION>EX-4.8
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Document 3 - file: d769699dex48.htm

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<FILENAME>d769699dex49.htm
<DESCRIPTION>EX-4.9
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Document 4 - file: d769699dex49.htm

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<DESCRIPTION>EX-4.10
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Document 5 - file: d769699dex410.htm

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Document 6 - file: d769699dex51.htm

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<DESCRIPTION>EX-23.1
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Document 7 - file: d769699dex231.htm

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<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>8
<FILENAME>d769699dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
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Document 8 - file: d769699dexfilingfees.htm

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Document 10 - file: g769699g10a10.jpg

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Document 11 - file: g769699g52m47.jpg

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