Koppers Holdings CEO M. Leroy Ball Disposes of 3,000 Shares at $45.84 Each
Aug 20, 2026
Koppers Holdings CEO M. Leroy Ball sold 3,000 shares at $45.84 per share on August 19, 2026, retaining over 433,000 shares following SEC Form 4 disclosure.
2026-06-15
Koppers CEO Sells Shares and Makes Gift