Leroy Ball, CEO, Director at Koppers Holdings, holds 320.72K shares in Koppers Holdings (Ticker: KOP), holds 31.14K shares in ATI (Ticker: ATI), holds 178.46K shares in Calgon Carbon Corp (Ticker: ~CCC). Most recently, Leroy Ball Sold ― shares of Koppers Holdings on Mar 07, 2024 for an estimated value of 389.28K.