secwatch.observer — SEC 8-K summary ====================================== Issuer: Koppers Holdings Inc. (KOP) CIK: 0001315257 Form: 8-K Filed at: 2025-05-29T23:59:59+00:00 Accession: 0000950170-25-078597 Event type: leadership Sentiment: neutral Materiality: 0.45 Item codes: 5.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Koppers appoints James Sullivan as President & Chief Transformation Officer, leads Catalyst initiative -------------------------------------------------------------------------------- - James A. Sullivan named President and Chief Transformation Officer, effective June 1, 2025. - Newly created role leads Catalyst enterprise-wide transformation to improve margins and cash flow. - Sullivan previously President & COO; business unit heads now report directly to CEO Leroy Ball. - Transformation Office established to coordinate execution of Catalyst initiative across all facets. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/0000950170-25-078597-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/kop-20250522.htm HTML page: https://secwatch.observer/filing/0000950170-25-078597 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer