{"filing":{"accession_number":"0001315257-26-000046","cik":"0001315257","ticker":"KOP","company_name":"Koppers Holdings Inc.","form":"8-K","filing_date":"2026-08-06","report_date":"2026-08-06","primary_document":"kop-20260806.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1315257/000131525726000046/kop-20260806.htm"},"events":[{"id":25702,"run_id":23325,"accession_number":"0001315257-26-000046","anchor_item_number":"2.02","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"Koppers Holdings issued a press release on August 6, 2026, announcing second quarter 2026 financial results, including net sales of $520.1 million, net loss of $(147.5) million (including $215.8 million in impairment, restructuring and plant closure costs), and diluted EPS of $(7.71). The filing explicitly states \"On August 6, 2026, Koppers Holdings Inc. (the \"Company\" or \"we\") issued a press release announcing second quarter of 2026 results\" under Item 2.02, with the press release furnished as Exhibit 99.1. This is a standard quarterly earnings release disclosure.","company_name":"Koppers Holdings Inc.","ticker":"KOP","filing_date":"2026-08-06","form":"8-K","submitted_at":null,"items":[{"id":26600,"accession_number":"0001315257-26-000046","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"Koppers Holdings issued a press release on August 6, 2026, announcing second quarter 2026 financial results, including net sales of $520.1 million, net loss of $(147.5) million (including $215.8 million in impairment, restructuring and plant closure costs), and diluted EPS of $(7.71). The filing explicitly states \"On August 6, 2026, Koppers Holdings Inc. (the \"Company\" or \"we\") issued a press release announcing second quarter of 2026 results\" under Item 2.02, with the press release furnished as Exhibit 99.1. This is a standard quarterly earnings release disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-09T02:24:00.586159+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":26600,"accession_number":"0001315257-26-000046","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"Koppers Holdings issued a press release on August 6, 2026, announcing second quarter 2026 financial results, including net sales of $520.1 million, net loss of $(147.5) million (including $215.8 million in impairment, restructuring and plant closure costs), and diluted EPS of $(7.71). The filing explicitly states \"On August 6, 2026, Koppers Holdings Inc. (the \"Company\" or \"we\") issued a press release announcing second quarter of 2026 results\" under Item 2.02, with the press release furnished as Exhibit 99.1. This is a standard quarterly earnings release disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-09T02:24:00.586159+00:00","company_name":"Koppers Holdings Inc.","ticker":"KOP","filing_date":"2026-08-06"}]}