Live feed16:06:22·831dINSIDERFilingvia QuantisnowMarten Randolph L covered exercise/tax liability with 3,768 shares, decreasing direct ownership by 0.02% to 17,719,042 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.MRTN· Marten Transport Ltd.IndustrialsOriginal source