{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-26-000042","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2026-10-05T21:06:49+00:00","discovered_at":"2026-10-05T21:10:00.287525+00:00","generated_at":"2026-10-12T16:41:11.923605+00:00","sec_items":["1.01","2.03","8.01","9.01"],"event_type":"debt","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Clean Harbors issues $600M 6.250% senior notes due 2034 to fund $775M EnviroServe, ES&H deals","bullets":["$600M of 6.250% senior notes due September 30, 2034; semi-annual interest on March 31 and September 30, first payment March 31, 2027.","Proceeds: $470M funds the EnviroServe acquisition (closed October 2, 2026); the remainder repays revolver borrowings used for ES&H (closed September 18, 2026).","Combined purchase price of $775M for EnviroServe and ES&H, which are expected to add ~$340M of annual revenue and ~$87M of post-synergy Adjusted EBITDA (8.9x multiple).","EnviroServe: Sandy, Utah-based, serves nearly 2,500 customers via 40 locations, permits in 48 states and 18 10-day transfer facilities.","ES&H: Louisiana-based with 13 coastal service branches and the U.S. Coast Guard's highest Oil Spill Response Organization classification."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-26-000042","json":"https://secwatch.observer/filing/0000822818-26-000042.json","markdown":"https://secwatch.observer/filing/0000822818-26-000042.md","text":"https://secwatch.observer/filing/0000822818-26-000042.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281826000042/0000822818-26-000042-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281826000042/clh-20261001.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T16:41:11.923605+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"}