{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-24-000002","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2024-02-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:27.006535+00:00","generated_at":"2026-06-06T08:47:22.284377+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Clean Harbors to acquire HEPACO for $400M cash; expects $20M cost synergies","bullets":["Acquisition of HEPACO, a specialized environmental and emergency response services provider in Eastern U.S.","HEPACO expected 2023 adj. EBITDA ~$36M on $270M revenue; post-synergy multiple of 7.1x.","Clean Harbors expects $20M in cost synergies after first full year of operations.","Transaction expected to close in first half of 2024, subject to regulatory approval.","Funding through available cash and additional debt financing."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-24-000002","json":"https://secwatch.observer/filing/0000822818-24-000002.json","markdown":"https://secwatch.observer/filing/0000822818-24-000002.md","text":"https://secwatch.observer/filing/0000822818-24-000002.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281824000002/0000822818-24-000002-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281824000002/clh-20240202.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T08:47:22.284377+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"}