SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* jVen Capital, LLC (Last) (First) (Middle) 11009 CRIPPLEGATE ROAD (Street) POTOMAC MD 20854 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol OPGEN INC [ OPGN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner X Officer (give title below) Other (specify below) Chairman and CEO
	3. Date of Earliest Transaction (Month/Day/Year) 06/28/2017
	4. If Amendment, Date of Original Filed (Month/Day/Year) 07/10/2017	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Warrants to purchase Common Stock(1)(2)	$0.78	06/28/2017		P		140,845		11/28/2017	06/28/2022	Common Stock	140,845	$0.00	140,845	D(3)

1. Name and Address of Reporting Person* jVen Capital, LLC (Last) (First) (Middle) 11009 CRIPPLEGATE ROAD (Street) POTOMAC MD 20854 (City) (State) (Zip)

1. Name and Address of Reporting Person* JONES EVAN/ FA (Last) (First) (Middle) C/O OPGEN, INC. 708 QUINCE ORCHARD ROAD, SUITE 160 (Street) GAITHERSBURG MD 20878 (City) (State) (Zip)

Explanation of Responses:

1. The purpose of this Form 4/A is to report the correct increase in the number of Warrants to purchase Common Stock issued to jVen Capital, LLC pursuant to an amendment and restatement of that certain Note Purchase Agreement dated May 31, 2017.

2. Issuance of warrants pursuant to that certain amended and restated Note Purchase Agreement dated July 10, 2017.

3. Evan Jones, the Chairman of the Board and the Chief Executive Officer of OpGen, Inc. (the "Company"), is the managing member of jVen Capital, LLC and is the indirect beneficial owner of all shares of the Company's Common Stock owned by jVen Capital, LLC.

	/s/ Timothy C. Dec, Attorney-in-Fact	07/25/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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