Recent 8-K filings for KOP

Each filing is summarized by an LLM — headline, three bullets, event type. The source document on EDGAR is one click away. See methodology.

• May 11, 2026 13:05 UTC leadership item 5.02item 7.01item 9.01

  Koppers appoints Eric Brenner as CFO and Treasurer effective May 26, 2026

source · KOP on sec.gov