Live feed16:05:38·44dINSIDERFilingvia QuantisnowDirector Vartanian Nishan J. converted options into 50 shares and was granted 3,280 shares, increasing direct ownership by 45% to 10,664 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.KOP· Koppers Holdings Inc.Basic MaterialsOriginal source