<SEC-DOCUMENT>0001193125-17-148291-index.html : 20170428
<SEC-HEADER>0001193125-17-148291.hdr.sgml : 20170428
<ACCEPTANCE-DATETIME>20170428162706
ACCESSION NUMBER:		0001193125-17-148291
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20170621
FILED AS OF DATE:		20170428
DATE AS OF CHANGE:		20170428
EFFECTIVENESS DATE:		20170428

FILER:

	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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36510
		FILM NUMBER:		17796004

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d319918ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d319918ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g319918g44j17.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g319918g44j17.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g319918g96e02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g319918g96e02.jpg

</DOCUMENT>
</SEC-DOCUMENT>