{"schema_version":"secwatch.filing_event.v1","accession":"0000911177-26-000011","form_type":"8-K","ticker":"CWST","cik":"0000911177","company_name":"CASELLA WASTE SYSTEMS INC","filed_at":"2026-03-10T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.012014+00:00","generated_at":"2026-05-15T17:24:24.837622+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Casella Waste COO Sean Steves resigns, effective March 20, 2026","bullets":["Sean Steves notified company on March 6 of resignation as SVP & COO of Solid Waste Operations.","Resignation effective March 20, 2026; he is leaving for opportunities outside waste/recycling.","No disagreement with company operations, policies, or practices cited.","Company has initiated search for next COO of Solid Waste Operations."],"urls":{"canonical":"https://secwatch.observer/filing/0000911177-26-000011","json":"https://secwatch.observer/filing/0000911177-26-000011.json","markdown":"https://secwatch.observer/filing/0000911177-26-000011.md","text":"https://secwatch.observer/filing/0000911177-26-000011.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/911177/000091117726000011/0000911177-26-000011-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/911177/000091117726000011/cwst-20260306.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T17:24:24.837622+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"}