Live feed16:18:32·125dINSIDERFilingvia QuantisnowCEO Ball M Leroy exercised 30,728 units of Common Stock at a strike of $18.11 and covered exercise/tax liability with 22,282 shares, increasing direct ownership by 2% to 427,544 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.KOP· Koppers Holdings Inc.Basic MaterialsOriginal source