{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-21-000045","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2021-09-10T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.896012+00:00","generated_at":"2026-06-29T04:40:42.599768+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Clean Harbors appoints Marcy Reed to Board of Directors; expands board to 10","bullets":["Marcy Reed, former National Grid Massachusetts President and EVP, appointed to Clean Harbors Board effective Sept 8, 2021.","Board expanded from 9 to 10 members; Reed will serve as Class II director until 2024 annual meeting.","Reed will join Audit and Environmental, Health and Safety Committees; she is a CPA and qualified financial expert.","Reed brings expertise in finance, strategy, operations, and sustainability aligned with Clean Harbors growth strategy."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-21-000045","json":"https://secwatch.observer/filing/0000822818-21-000045.json","markdown":"https://secwatch.observer/filing/0000822818-21-000045.md","text":"https://secwatch.observer/filing/0000822818-21-000045.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281821000045/0000822818-21-000045-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281821000045/clh-20210908.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T04:40:42.599768+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":"879de6f7ca","claim":"Marcy Reed was appointed as Director at CLEAN HARBORS INC.","evidence_excerpt":"On September 8, 2021, Clean Harbors, Inc. (the “Company”) announced the expansion of the Company’s Board of Directors (the \"Board\") from nine to ten, and the appointment of Marcy Reed to the Board, each effective as of September 8, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/822818/000082281821000045/0000822818-21-000045-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}