{"schema_version":"secwatch.filing_event.v1","accession":"0000911177-24-000084","form_type":"8-K","ticker":"CWST","cik":"0000911177","company_name":"CASELLA WASTE SYSTEMS INC","filed_at":"2024-09-06T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.276122+00:00","generated_at":"2026-05-31T06:09:45.258407+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"negative","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Casella Waste Systems expects $9M charge for Southbridge Landfill post-closure permit","bullets":["Massachusetts DEP issued final closure permit for Southbridge Landfill on Aug 15, 2024, requiring expanded post-closure conditions.","Company will record ~$9.0M charge in Q3 2024 to revise the accrued post-closure liability.","Charge will be excluded from Adjusted EBITDA and Adjusted Net Income per historical practice.","Additional charges possible if permit conditions are modified in the future."],"urls":{"canonical":"https://secwatch.observer/filing/0000911177-24-000084","json":"https://secwatch.observer/filing/0000911177-24-000084.json","markdown":"https://secwatch.observer/filing/0000911177-24-000084.md","text":"https://secwatch.observer/filing/0000911177-24-000084.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000084/0000911177-24-000084-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/911177/000091117724000084/cwst-20240906.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T06:09:45.258407+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"}