Live feed18:46:55·979dINSIDERFilingvia QuantisnowSEC Form 4: Vitiritto Joseph A. covered exercise/tax liability with 8,970 shares, decreasing direct ownership by 5% to 163,688 unitsByQuantisnow·Wall Street's wire, on your screen.PTSI· P.A.M. Transportation Services Inc.IndustrialsOriginal source