OpGen, Inc. announced that it has entered into a Preferred Stock Purchase Agreement with a single investor pursuant to which the company agreed to issue 1,000 shares of the Company?s Series D Preferred Stock, par value $0.01 per share at a price of $1,000 per share for aggregate gross proceeds of $1 million before deducting offering expenses on October 11, 2023. The transaction is expected to close on or about October 13, 2023.