<SEC-DOCUMENT>0001535610-17-000049-index.html : 20170110
<SEC-HEADER>0001535610-17-000049.hdr.sgml : 20170110
<ACCEPTANCE-DATETIME>20170110150241
ACCESSION NUMBER:		0001535610-17-000049
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170110
DATE AS OF CHANGE:		20170110

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OPGEN INC
		CENTRAL INDEX KEY:			0001293818
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				061614015
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88842
		FILM NUMBER:		17520382

	BUSINESS ADDRESS:	
		STREET 1:		708 QUINCE ORCHARD ROAD
		STREET 2:		SUITE 205
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878
		BUSINESS PHONE:		240-813-1260

	MAIL ADDRESS:	
		STREET 1:		708 QUINCE ORCHARD ROAD
		STREET 2:		SUITE 205
		CITY:			GAITHERSBURG
		STATE:			MD
		ZIP:			20878

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SABBY MANAGEMENT, LLC
		CENTRAL INDEX KEY:			0001535610
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		10 MOUNTAINVIEW ROAD
		STREET 2:		SUITE 205
		CITY:			UPPER SADDLE RIVER
		STATE:			NJ
		ZIP:			07458
		BUSINESS PHONE:		646-307-4527

	MAIL ADDRESS:	
		STREET 1:		10 MOUNTAINVIEW ROAD
		STREET 2:		SUITE 205
		CITY:			UPPER SADDLE RIVER
		STATE:			NJ
		ZIP:			07458
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>opgn0117.txt
<DESCRIPTION>SABBY 13G-A OPGN 1.10.17
<TEXT>
Document 1 - file: opgn0117.txt

</DOCUMENT>
</SEC-DOCUMENT>