{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-24-000286","form_type":"8-K","ticker":"KOP","cik":"0001315257","company_name":"Koppers Holdings Inc.","filed_at":"2024-01-02T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.736362+00:00","generated_at":"2026-06-07T05:06:57.607761+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Koppers elects James A. Sullivan President and COO; Ball remains CEO","bullets":["James A. Sullivan appointed President and COO effective Jan 1, 2024; previously EVP and COO since Jan 2020.","Leroy M. Ball continues as CEO, focusing on corporate strategy, culture, and stakeholder relationships.","Sullivan will have an expanded role developing the Koppers 2030 strategy, building on the 2025 Expand and Optimize plan.","Sullivan joined Koppers in 2013 as VP of Business Development, with over 20 years of industry experience."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-24-000286","json":"https://secwatch.observer/filing/0000950170-24-000286.json","markdown":"https://secwatch.observer/filing/0000950170-24-000286.md","text":"https://secwatch.observer/filing/0000950170-24-000286.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1315257/000095017024000286/0000950170-24-000286-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1315257/000095017024000286/kop-20240101.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T05:06:57.607761+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":"1fd9933c67","claim":"James A. Sullivan was elected as President and Chief Operating Officer at Koppers Holdings Inc..","evidence_excerpt":"On January 1, 2024, Koppers Holdings Inc. (the “Company”) elected James A. Sullivan as President and Chief Operating Officer of the Company and Koppers Inc. (“KI” and, together with the Company, “Koppers”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1315257/000095017024000286/0000950170-24-000286-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"President and Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}