{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-21-000039","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2021-08-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.895815+00:00","generated_at":"2026-06-29T22:54:28.484250+00:00","sec_items":["1.01","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Clean Harbors to acquire HydroChemPSC for $1.25B in cash","bullets":["All-cash purchase price of $1.25 billion, subject to customary adjustments.","HPC 2021E revenue ~$744M, adjusted EBITDA ~$115M.","Clean Harbors anticipates $40M in cost synergies after first full year, implying 8.1x post-synergy multiple.","Financing through cash on hand and debt; Goldman Sachs committed $1.0B term loan.","Transaction expected to close later in 2021, pending regulatory approval."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-21-000039","json":"https://secwatch.observer/filing/0000822818-21-000039.json","markdown":"https://secwatch.observer/filing/0000822818-21-000039.md","text":"https://secwatch.observer/filing/0000822818-21-000039.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281821000039/0000822818-21-000039-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281821000039/clh-20210803.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T22:54:28.484250+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"}