8-K

UNITED STATESSECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of theSecurities Exchange Act of 1934

February 28, 2022 Date of Report (date of earliest event reported)

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OpGen, Inc.

(Exact name of Registrant as specified in its charter)

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9717Key West Ave**, Suite 100** Rockville , MD

20850

(Address of principal executive offices)(Zip code)

(240) 813-1260

(Registrant's telephone number, including area code)

Not Applicable(Former name or former address, if changed since last report)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 3.01   —  Notice

of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

On February 28, 2022, OpGen, Inc. (the “Company”) received written notice from The Nasdaq Stock Market LLC (“Nasdaq”) that the Company’s common stock failed to maintain a minimum bid price of $1.00 per share over the prior 30 consecutive business days as required by Nasdaq Listing Rule 5550(a)(2). In accordance with Nasdaq’s Listing Rules, the Company has 180 calendar days to regain compliance with Nasdaq’s minimum bid price requirement. If the Company does not regain compliance within this 180-day period, the Company may be eligible to seek an additional compliance period of 180 calendar days if the Company meets the continued listing requirement for market value of publicly held shares and all other initial listing standards for the Nasdaq Capital Market, with the exception of the bid price requirement, if we provide written notice to Nasdaq of our intent to cure the deficiency during this second compliance period.

Item 9.01 —   Financial Statements and Exhibits.

(d) Exhibits

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.