Live feed15:01:21·1480dINSIDERFilingvia QuantisnowSEC Form 4: Mccullough David R converted options into 7,000 shares and covered exercise/tax liability with 2,568 shares, increasing direct ownership by 10% to 47,158 unitsByQuantisnow·Wall Street's wire, on your screen.KERN· Akerna Corp.TechnologyOriginal source