<SEC-DOCUMENT>0001079973-21-000506-index.html : 20210610
<SEC-HEADER>0001079973-21-000506.hdr.sgml : 20210610
<ACCEPTANCE-DATETIME>20210610183308
ACCESSION NUMBER:		0001079973-21-000506
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210609
FILED AS OF DATE:		20210610
DATE AS OF CHANGE:		20210610

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Elsey R Don
		CENTRAL INDEX KEY:			0001380742

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37367
		FILM NUMBER:		211009361

	MAIL ADDRESS:	
		STREET 1:		2273 RESEARCH BLVD, SUITE 400
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

ISSUER:		

	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

	BUSINESS ADDRESS:	
		STREET 1:		9717 KEY WEST AVENUE
		STREET 2:		SUITE 100
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		240-813-1260

	MAIL ADDRESS:	
		STREET 1:		9717 KEY WEST AVENUE
		STREET 2:		SUITE 100
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>