{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-078597","form_type":"8-K","ticker":"KOP","cik":"0001315257","company_name":"Koppers Holdings Inc.","filed_at":"2025-05-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.883960+00:00","generated_at":"2026-05-20T05:30:03.826417+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Koppers appoints James Sullivan as President & Chief Transformation Officer, leads Catalyst initiative","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-078597","json":"https://secwatch.observer/filing/0000950170-25-078597.json","markdown":"https://secwatch.observer/filing/0000950170-25-078597.md","text":"https://secwatch.observer/filing/0000950170-25-078597.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/0000950170-25-078597-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/kop-20250522.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T05:30:03.826417+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"c50ada72a3","claim":"James A. Sullivan was elected as President and Chief Transformation Officer at Koppers Holdings Inc..","evidence_excerpt":"James A. Sullivan has been elected President and Chief Transformation Officer of Koppers Holdings Inc. (the “Company”) and Koppers Inc. (“KI” and, together with the Company, “Koppers”), effective June 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1315257/000095017025078597/0000950170-25-078597-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"President and Chief Transformation Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}