{"schema_version":"secwatch.filing_event.v1","accession":"0001315257-26-000041","form_type":"8-K","ticker":"KOP","cik":"0001315257","company_name":"Koppers Holdings Inc.","filed_at":"2026-05-11T13:05:16+00:00","discovered_at":"2026-05-11T14:49:57.127956+00:00","generated_at":"2026-05-11T18:19:41.253605+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Koppers appoints Eric Brenner as CFO and Treasurer effective May 26, 2026","bullets":["Eric Brenner appointed CFO and Treasurer, effective May 26, 2026, succeeding interim CFO Brad Pearce.","Brenner's compensation: $550k base salary, 75% target cash incentive, LTIP at 125% of base for 2026 and 140% for 2027.","Brenner previously SVP & CFO of NOVA Chemicals (part of Borouge International); led refinancing and transformation program.","Brad Pearce returns to his prior role as Chief Accounting Officer after interim CFO role since Jan 8, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001315257-26-000041","json":"https://secwatch.observer/filing/0001315257-26-000041.json","markdown":"https://secwatch.observer/filing/0001315257-26-000041.md","text":"https://secwatch.observer/filing/0001315257-26-000041.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1315257/000131525726000041/0001315257-26-000041-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1315257/000131525726000041/kop-20260511.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-11T18:19:41.253605+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":"489cbaf6ce","claim":"Eric D. Brenner was elected as Chief Financial Officer and Treasurer at Koppers Holdings Inc..","evidence_excerpt":"Eric D. Brenner has been elected by the Company’s Board of Directors (the “Board”) as the Company’s Chief Financial Officer and Treasurer, in which position he will serve as the Company’s principal financial officer, effective May 26, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1315257/000131525726000041/0001315257-26-000041-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Chief Financial Officer and Treasurer"}],"fact_type":"executive_change"},{"claim_id":"f17b06a3a7","claim":"Bradley A. Pearce changed role as Chief Accounting Officer at Koppers Holdings Inc..","evidence_excerpt":"Bradley A. Pearce, interim Chief Financial Officer and Treasurer and Chief Accounting Officer, will return to his previous role as the Company’s Chief Accounting Officer, effective May 26, 2026.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1315257/000131525726000041/0001315257-26-000041-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"return to his previous role"},{"label":"Role","value":"Chief Accounting Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}