<SEC-DOCUMENT>0001104659-17-007838-index.html : 20170209
<SEC-HEADER>0001104659-17-007838.hdr.sgml : 20170209
<ACCEPTANCE-DATETIME>20170209163921
ACCESSION NUMBER:		0001104659-17-007838
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170209
DATE AS OF CHANGE:		20170209

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ZAFGEN, INC.
		CENTRAL INDEX KEY:			0001374690
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				203857670
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88225
		FILM NUMBER:		17588093

	BUSINESS ADDRESS:	
		STREET 1:		175 PORTLAND STREET
		STREET 2:		4TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02114
		BUSINESS PHONE:		617-622-4003

	MAIL ADDRESS:	
		STREET 1:		175 PORTLAND STREET
		STREET 2:		4TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ZAFGEN INC
		DATE OF NAME CHANGE:	20060906

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Atlas Venture Fund VII L P
		CENTRAL INDEX KEY:			0001346450
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		890 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		7816221700

	MAIL ADDRESS:	
		STREET 1:		890 WINTER STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>a17-4109_3sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: a17-4109_3sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>