KOP Insider Trading Activity and SEC Form 4 Filings

KOP insider trading summary

Over the past 12 months, insiders at Koppers Holdings Inc. (KOP) reported 14 sales worth $5.6M by 4 insiders and no open-market purchases on SEC Form 4. Net insider selling was $5.6M.

Latest KOP insider buys and sells

DateInsiderTypeValue
Aug 31, 2026M Leroy BallSell$184K
Aug 19, 2026M Leroy BallSell$138K
Aug 12, 2026Stephen G LucasSell$58K
Aug 11, 2026James A. SullivanSell$375K
Aug 10, 2026Bradley A PearceSell$102K
Aug 7, 2026James A. SullivanSell$5K
Aug 7, 2026James A. SullivanSell$4.0M
Jun 18, 2026M Leroy BallSell$150K
Jun 11, 2026M Leroy BallSell$171K
May 13, 2026M Leroy BallSell$113K

Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.

KOP Insider Trading: Koppers Holdings Inc. Buys & Sells | Insidra