<SEC-DOCUMENT>0001013594-20-000130-index.html : 20200213
<SEC-HEADER>0001013594-20-000130.hdr.sgml : 20200213
<ACCEPTANCE-DATETIME>20200213100457
ACCESSION NUMBER:		0001013594-20-000130
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200213
DATE AS OF CHANGE:		20200213

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:		20607458

	BUSINESS ADDRESS:	
		STREET 1:		3 CENTER PLAZA
		STREET 2:		SUITE 610
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02108
		BUSINESS PHONE:		617-622-4003

	MAIL ADDRESS:	
		STREET 1:		3 CENTER PLAZA
		STREET 2:		SUITE 610
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02108

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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			683 Capital Management, LLC
		CENTRAL INDEX KEY:			0001404574
		IRS NUMBER:				205100992
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		3 COLUMBUS CIRCLE
		STREET 2:		SUITE 2205
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212) 554-2379

	MAIL ADDRESS:	
		STREET 1:		3 COLUMBUS CIRCLE
		STREET 2:		SUITE 2205
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>zafgen13ga1-123119.htm
<DESCRIPTION>AMENDMENT NO. 1 TO THE SCHEDULE 13G
<TEXT>
Document 1 - file: zafgen13ga1-123119.htm

</DOCUMENT>
</SEC-DOCUMENT>