{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-23-000002","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2023-01-17T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.187545+00:00","generated_at":"2026-06-20T15:04:12.439575+00:00","sec_items":["7.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Clean Harbors launches $500M senior notes offering to refinance 2024 term loans","bullets":["$500M of unsecured senior notes due 2031 in private offering.","Proceeds plus $114M revolver draw and cash to repay $614M of 2024 term loans.","Notes offered to QIBs under Rule 144A and offshore under Regulation S.","Refinancing extends maturity and replaces secured debt with unsecured notes."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-23-000002","json":"https://secwatch.observer/filing/0000822818-23-000002.json","markdown":"https://secwatch.observer/filing/0000822818-23-000002.md","text":"https://secwatch.observer/filing/0000822818-23-000002.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281823000002/0000822818-23-000002-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281823000002/clh-20230117.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T15:04:12.439575+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"}