Live feed19:16:28·1768dINSIDERFilingvia QuantisnowSEC Form 4: Gray Robert bought $12,500 worth of Common Stock (2,000 units at $6.25), increasing direct ownership by 56% to 5,572 unitsByQuantisnow·Wall Street's wire, on your screen.HJLI· Hancock Jaffe Laboratories, Inc.Health CareOriginal source