Live feed16:03:29·468dINSIDERFilingvia QuantisnowExec. Chairman of the Board Marten Randolph L covered exercise/tax liability with 3,779 shares, decreasing direct ownership by 0.02% to 17,724,442 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MRTN· Marten Transport Ltd.IndustrialsOriginal source