{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-028132","form_type":"8-K/A","ticker":"CNR","cik":"0001710366","company_name":"Core Natural Resources, Inc.","filed_at":"2025-02-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.538378+00:00","generated_at":"2026-05-26T16:48:57.276357+00:00","sec_items":["9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.1,"confidence":"low","headline":"Core Natural Resources files amendment to include Arch financials in 8-K","bullets":["Amendment adds audited Arch financials for 2023, 2022, 2021 and unaudited 2024 nine-month period.","Includes pro forma combined financials as of Sept 30, 2024 and for year ended Dec 31, 2023.","No new material changes; original 8-K merger close on Jan 14, 2025 unchanged."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-028132","json":"https://secwatch.observer/filing/0001193125-25-028132.json","markdown":"https://secwatch.observer/filing/0001193125-25-028132.md","text":"https://secwatch.observer/filing/0001193125-25-028132.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1710366/000119312525028132/0001193125-25-028132-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1710366/000119312525028132/d900101d8ka.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T16:48:57.276357+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"}