8-K current report · filed May 7, 2026

Koppers Holdings Inc. (KOP) 8-K Current Report: May 7, 2026

Short answer

Koppers Holdings Inc. (KOP) filed an 8-K current report with the SEC on May 7, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers). Laura J. Posadas appointed to Audit, Compensation, and Strategy and Risk committees effective May 7, 2026.

Koppers Holdings Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 5.02 · Departure/Election of Directors or Officers

  • Laura J. Posadas appointed to Audit, Compensation, and Strategy and Risk committees effective May 7, 2026
  • Audit Committee role expands her oversight of financial reporting, controls, and auditor matters
  • Committee assignments complete Posadas’ board responsibilities following her November 5, 2025 election

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