{"schema_version":"secwatch.filing_event.v1","accession":"0000822818-22-000012","form_type":"8-K","ticker":"CLH","cik":"0000822818","company_name":"CLEAN HARBORS INC","filed_at":"2022-03-16T23:59:59+00:00","discovered_at":"2026-05-14T18:04:09.898980+00:00","generated_at":"2026-06-26T22:33:19.812345+00:00","sec_items":["5.03","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Clean Harbors removes exclusive forum by-law after shareholder vote against ratification","bullets":["Board deleted Article VIII (Exclusive Forum By-Law) from By-Laws effective March 16, 2022.","Shareholders at 2021 annual meeting voted against ratifying the by-law on an advisory basis.","Future legal actions governed solely by Massachusetts and federal law; no specified exclusive forum.","Previous Article IX renumbered as Article VIII following deletion."],"urls":{"canonical":"https://secwatch.observer/filing/0000822818-22-000012","json":"https://secwatch.observer/filing/0000822818-22-000012.json","markdown":"https://secwatch.observer/filing/0000822818-22-000012.md","text":"https://secwatch.observer/filing/0000822818-22-000012.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/822818/000082281822000012/0000822818-22-000012-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/822818/000082281822000012/clh-20220316.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T22:33:19.812345+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"}