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Koppers Holdings (NYSE: KOP) insider plans Rule 144 sale of 80,000 shares — ChemBrief Topics

Koppers Holdings (NYSE: KOP) insider plans Rule 144 sale of 80,000 shares

Aug 8, 2026

Koppers Holdings filed a Form 144 indicating an insider will sell 80,000 shares worth approximately $4 million starting August 7, 2026. The shares originate from restricted stock vesting and option exercises between 2017 and 2025.

Koppers Holdings (NYSE: KOP) insider plans Rule 144 sale of 80,000 shares

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