{"schema_version":"secwatch.filing_event.v1","accession":"0000947484-23-000093","form_type":"8-K","ticker":"ACGL","cik":"0000947484","company_name":"ARCH CAPITAL GROUP LTD.","filed_at":"2023-10-30T23:59:59+00:00","discovered_at":"2026-05-14T18:03:32.483277+00:00","generated_at":"2026-06-09T06:34:58.927139+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Arch Capital Q3 net income $713M ($1.88 EPS), operating income $876M, combined ratio 77.9%","bullets":["Net income $713M ($1.88 diluted EPS) vs $7M ($0.02) in prior-year quarter; 20.2% annualized ROE.","After-tax operating income $876M ($2.31/share) vs $106M ($0.28); 24.8% annualized operating ROE.","Combined ratio improved to 77.9% from 97.3%; ex-cat & prior-year development ratio 77.0% vs 82.2%.","Book value $38.62 per share, up 4.3% from June 30; net premiums written up 23.2% YoY to $3.4B.","Underwriting income $721M vs $68M; gross premiums written $4.5B, net premiums earned $3.2B."],"urls":{"canonical":"https://secwatch.observer/filing/0000947484-23-000093","json":"https://secwatch.observer/filing/0000947484-23-000093.json","markdown":"https://secwatch.observer/filing/0000947484-23-000093.md","text":"https://secwatch.observer/filing/0000947484-23-000093.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/947484/000094748423000093/0000947484-23-000093-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/947484/000094748423000093/acgl-20231030.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T06:34:58.927139+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":"850b54a59a9fc9e1678818028f9e5faa3ff4a858","claim":"ARCH CAPITAL GROUP LTD. reported the quarter ended September 30, 2023 results: net income $713 million, EPS $1.88 per share.","evidence_excerpt":"Net income available to Arch common shareholders of $713 million, or $1.88 per share, a 20.2% annualized net income return on average common equity","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/947484/000094748423000093/0000947484-23-000093-index.htm","confidence":0.9,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the quarter ended September 30, 2023"},{"label":"Net income","value":"$713 million"},{"label":"EPS","value":"$1.88 per share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}