{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-091443","form_type":"8-K","ticker":null,"cik":"0001037676","company_name":"ARCH RESOURCES, INC.","filed_at":"2024-08-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.967356+00:00","generated_at":"2026-05-31T08:11:24.965423+00:00","sec_items":["1.01","5.02","8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.9,"calibrated_materiality_score":0.9,"confidence":"high","headline":"Arch Resources and CONSOL Energy to merge in all-stock deal, creating Core Natural Resources","bullets":["Arch shareholders receive 1.326 CONSOL shares per Arch share; combined market cap ~$5.2B.","Pro forma 2023 revenue ~$5.7B, adjusted EBITDA ~$1.8B; expected annual synergies $110-140M.","Combined company renamed Core Natural Resources; James Brock (Executive Chair) and Paul Lang (CEO).","Merger termination fee of $82M; expense reimbursement up to $23.5M under certain conditions.","Boards of both companies unanimously approved; closing subject to shareholder and regulatory approvals."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-091443","json":"https://secwatch.observer/filing/0001104659-24-091443.json","markdown":"https://secwatch.observer/filing/0001104659-24-091443.md","text":"https://secwatch.observer/filing/0001104659-24-091443.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1037676/000110465924091443/0001104659-24-091443-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1037676/000110465924091443/tm2421962d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T08:11:24.965423+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":"c63e8cc9e2","claim":"Paul Lang was appointed as Chief Executive Officer at ARCH RESOURCES, INC..","evidence_excerpt":"reflect Mr. Lang’s new role as Chief Executive Officer of the combined company","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1037676/000110465924091443/0001104659-24-091443-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}