<SEC-DOCUMENT>0001193125-16-569327-index.html : 20160429
<SEC-HEADER>0001193125-16-569327.hdr.sgml : 20160429
<ACCEPTANCE-DATETIME>20160429161634
ACCESSION NUMBER:		0001193125-16-569327
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20151231
FILED AS OF DATE:		20160429
DATE AS OF CHANGE:		20160429

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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36510
		FILM NUMBER:		161606782

	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>10-K/A
<SEQUENCE>1
<FILENAME>d138931d10ka.htm
<DESCRIPTION>FORM 10-K/A
<TEXT>
Document 1 - file: d138931d10ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>2
<FILENAME>d138931dex313.htm
<DESCRIPTION>EX-31.3
<TEXT>
Document 2 - file: d138931dex313.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>3
<FILENAME>d138931dex314.htm
<DESCRIPTION>EX-31.4
<TEXT>
Document 3 - file: d138931dex314.htm

</DOCUMENT>
</SEC-DOCUMENT>