{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-26-000028","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2026-05-20T20:41:59+00:00","discovered_at":"2026-05-20T20:43:00.256662+00:00","generated_at":"2026-05-20T20:45:56.855122+00:00","sec_items":["5.07","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Clean Harbors shareholders re-elect all Class I directors, approve say-on-pay and auditor","bullets":["Four Class I directors re-elected with overwhelming support; highest vote for Shelley Stewart Jr. (48.3M for, 316K withheld).","Advisory vote on named executive officer compensation passed: 45.9M for, 2.6M against, 16K abstain.","Ratification of Deloitte & Touche as independent auditor for FY2026 approved: 47.8M for, 2.3M against.","Broker non-votes of 1.5M on director and say-on-pay proposals; none on auditor ratification."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-26-000028","json":"https://secwatch.observer/filing/0000822818-26-000028.json","markdown":"https://secwatch.observer/filing/0000822818-26-000028.md","text":"https://secwatch.observer/filing/0000822818-26-000028.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281826000028/0000822818-26-000028-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281826000028/clh-20260520.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T20:45:56.855122+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":"2d7e347f5d371af0b96778cce0492117e9afef02","claim":"CLEAN HARBORS INC shareholders approved Election of four Class I directors at the 2026-05-20 meeting.","evidence_excerpt":"Election of the four persons named below as Class I members of the Board of Directors of the Company to serve until the 2029 annual meeting of shareholders and until their respective successors are duly elected and qualified:","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/822818/000082281826000028/0000822818-26-000028-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"director election"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-05-20"}],"fact_type":"shareholder_vote"},{"claim_id":"74475a460110bff7d923fb24b1de1addba0eb021","claim":"CLEAN HARBORS INC shareholders approved Approval, on a non-binding, advisory basis, of the compensation of the Company’s named executive officers as described in the 2026 Proxy Statement at the 2026-05-20 meeting.","evidence_excerpt":"Approval, on a non-binding, advisory basis, of the compensation of the Company’s named executive officers as described in the 2026 Proxy Statement.","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/822818/000082281826000028/0000822818-26-000028-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"say on pay"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-05-20"}],"fact_type":"shareholder_vote"},{"claim_id":"d45bc05dbdd75348ede59b7448bdebe54e8f3318","claim":"CLEAN HARBORS INC shareholders approved Ratification of the selection of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026 at the 2026-05-20 meeting.","evidence_excerpt":"Ratification of the selection of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.","evidence_source":"SEC 8-K Item 5.07","evidence_url":"https://www.sec.gov/Archives/edgar/data/822818/000082281826000028/0000822818-26-000028-index.htm","confidence":0.9,"family_label":"Shareholder Votes","details":[{"label":"Proposal","value":"auditor ratification"},{"label":"Outcome","value":"passed"},{"label":"Meeting","value":"2026-05-20"}],"fact_type":"shareholder_vote"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}