Live feed16:01:44·587dINSIDERFilingvia QuantisnowDirector Booker Corey J. sold $38,724 worth of shares (10,707 units at $3.62), decreasing direct ownership by 6% to 162,197 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.TUSK· Mammoth Energy Services Inc.EnergyOriginal source