Live feed18:21:44·1344dINSIDERFilingvia QuantisnowSEC Form 4: Vitiritto Joseph A. covered exercise/tax liability with 8,970 shares, decreasing direct ownership by 5% to 159,720 unitsByQuantisnow·Wall Street's wire, on your screen.PTSI· P.A.M. Transportation Services Inc.IndustrialsOriginal source