Live feed16:03:23·1195dINSIDERFilingvia QuantisnowSEC Form 4: Straehla Arty covered exercise/tax liability with 129,220 shares, decreasing direct ownership by 10% to 1,202,107 units (for tax liability)ByQuantisnow·Wall Street's wire, on your screen.TUSK· Mammoth Energy Services Inc.EnergyOriginal source