Live feed16:21:37·361dINSIDERFilingvia QuantisnowVP, External Relations Washington Kevin converted options into 33 shares and covered exercise/tax liability with 818 shares, decreasing direct ownership by 9% to 7,951 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.KOP· Koppers Holdings Inc.Basic MaterialsOriginal source