Live feed17:35:56·399dINSIDERFilingvia QuantisnowDirector Smith Arthur L sold $162,850 worth of shares (65,000 units at $2.51), decreasing direct ownership by 30% to 150,034 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.TUSK· Mammoth Energy Services Inc.EnergyOriginal source