{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-23-000031","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2023-05-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.363204+00:00","generated_at":"2026-06-16T02:03:46.215495+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Clean Harbors Q1 revenue up 12% to $1.31B; raises FY23 adjusted EBITDA guidance to $1.02-1.06B","bullets":["Q1 net income $72.4M ($1.33 EPS) vs $45.3M ($0.83); adjusted EPS $1.36.","Revenue $1.31B (+12% YoY); Environmental Services rev +13%, Safety-Kleen rev +7%.","Adjusted EBITDA $215.1M (+19%); margin 16.5% (+110 bps).","Full-year 2023 adjusted EBITDA guidance raised to $1.02-1.06B reflecting Thompson Industrial acquisition ($9M expected contribution).","Q2 2023 adjusted EBITDA expected down 7-9% YoY; SKSS profitability pressured by base oil spread compression."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-23-000031","json":"https://secwatch.observer/filing/0000822818-23-000031.json","markdown":"https://secwatch.observer/filing/0000822818-23-000031.md","text":"https://secwatch.observer/filing/0000822818-23-000031.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281823000031/0000822818-23-000031-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281823000031/clh-20230503.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T02:03:46.215495+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":[{"claim_id":"5905dc53ecb93511421bce8d29702334c576fb89","claim":"CLEAN HARBORS INC reported first quarter ended March 31, 2023 results: revenue $1.31 billion, net income $72.4 million, EPS $1.33 per diluted share. Guidance raised.","evidence_excerpt":"• Achieves Q1 Revenue Growth of 12% to $1.31 Billion on Strength of ES Segment • Generates Q1 Net Income of $72.4 Million, or EPS of $1.33, with Adjusted EPS of $1.36 • Delivers Q1 Adjusted EBITDA Growth of 19% to $215.1 Million • Raises Full-Year 2023 Adjusted EBITDA Guidance to Reflect Acquisition of Thompson Industrial Services NORWELL, Mass. – May 3, 2023 – Clean Harbors, Inc. (“Clean Harbors”) (NYSE: CLH), the leading provider of environmental and industrial services throughout North America, today announced financial results for the first quarter ended March 31, 2023.","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/822818/000082281823000031/0000822818-23-000031-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"first quarter ended March 31, 2023"},{"label":"Revenue","value":"$1.31 billion"},{"label":"Net income","value":"$72.4 million"},{"label":"EPS","value":"$1.33 per diluted share"},{"label":"Guidance","value":"raised"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}