Koppers Holdings Inc. — Form 4
Filed August 20, 2026 · analyzed by the Insider Agent
4
▼ Likely negative
significance 36/100
What the filing says
CEO BALL M LEROY (KOP) sold 3K shares (~$138K) on the open market (0.7% of holdings). Open-market sale — often routine.
Why this rating
Open-market sale — often routine.
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