Live feed14:04:18·275dINSIDERFilingvia QuantisnowLarge owner Aei Capital Ltd bought $4,790 worth of shares (1,000 units at $4.79), increasing direct ownership by 0.01% to 7,646,603 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.OPGN· OpGen Inc.Health CareOriginal source