{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-007354","form_type":"8-K","ticker":"KOP","cik":"0001315257","company_name":"Koppers Holdings Inc.","filed_at":"2023-03-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:44.355411+00:00","generated_at":"2026-06-18T05:17:11.722728+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Koppers prices $400M Term Loan B to refinance $500M 6% notes due 2025","bullets":["7-year senior secured TLB at adjusted Term SOFR + 4.00% with 50 bps floor.","Proceeds from TLB plus revolver borrowings to redeem $500M 6.00% Senior Notes due 2025.","Transaction expected to close in mid-April 2023; extends debt maturity profile.","CFO cites enhanced balance sheet flexibility and reduced risk as key benefits."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-007354","json":"https://secwatch.observer/filing/0000950170-23-007354.json","markdown":"https://secwatch.observer/filing/0000950170-23-007354.md","text":"https://secwatch.observer/filing/0000950170-23-007354.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1315257/000095017023007354/0000950170-23-007354-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1315257/000095017023007354/kop-20230310.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T05:17:11.722728+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}