{"schema_version":"secwatch.filing_event.v1","accession":"0000947484-24-000085","form_type":"8-K","ticker":"ACGL","cik":"0000947484","company_name":"ARCH CAPITAL GROUP LTD.","filed_at":"2024-07-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.469870+00:00","generated_at":"2026-05-31T18:53:54.154903+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Arch Insurance obtains regulatory OK for Allianz U.S. MidCorp/Entertainment buy","bullets":["Regulatory approval secured for acquisition of Allianz's U.S. MidCorp and Entertainment insurance businesses.","Transaction expected to close on August 1, 2024, subject to customary closing conditions.","No financial terms or purchase price disclosed in the announcement."],"urls":{"canonical":"https://secwatch.observer/filing/0000947484-24-000085","json":"https://secwatch.observer/filing/0000947484-24-000085.json","markdown":"https://secwatch.observer/filing/0000947484-24-000085.md","text":"https://secwatch.observer/filing/0000947484-24-000085.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/947484/000094748424000085/0000947484-24-000085-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/947484/000094748424000085/acgl-20240722.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T18:53:54.154903+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"}