<SEC-DOCUMENT>0001079973-23-000850-index.html : 20230609
<SEC-HEADER>0001079973-23-000850.hdr.sgml : 20230609
<ACCEPTANCE-DATETIME>20230609163252
ACCESSION NUMBER:		0001079973-23-000850
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230607
FILED AS OF DATE:		20230609
DATE AS OF CHANGE:		20230609

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:		231005854

	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:		301-869-9683

	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>