{"schema_version":"secwatch.filing_event.v1","accession":"0000947484-23-000106","form_type":"8-K","ticker":"ACGL","cik":"0000947484","company_name":"ARCH CAPITAL GROUP LTD.","filed_at":"2023-11-13T23:59:59+00:00","discovered_at":"2026-05-14T18:03:32.483739+00:00","generated_at":"2026-06-08T05:59:25.948639+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Arch MI to acquire RMIC run-off mortgage insurance from Old Republic; adds $1B risk in force","bullets":["Arch U.S. MI Holdings to acquire RMIC from Old Republic; expected close H1 2024 subject to regulatory approval.","RMIC's $1 billion risk-in-force portfolio will be integrated into Arch MI's $75.9B portfolio as of Sept. 30, 2023.","Arch CEO cites significant expense and capital synergies; describes deal as 'attractive financial transaction'.","Jefferies served as Arch's financial advisor; Eversheds Sutherland as legal advisor."],"urls":{"canonical":"https://secwatch.observer/filing/0000947484-23-000106","json":"https://secwatch.observer/filing/0000947484-23-000106.json","markdown":"https://secwatch.observer/filing/0000947484-23-000106.md","text":"https://secwatch.observer/filing/0000947484-23-000106.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/947484/000094748423000106/0000947484-23-000106-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/947484/000094748423000106/acgl-20231113.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-08T05:59:25.948639+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"}