{"schema_version":"secwatch.filing_event.v1","accession":"0000947484-25-000076","form_type":"8-K","ticker":"ACGL","cik":"0000947484","company_name":"ARCH CAPITAL GROUP LTD.","filed_at":"2025-10-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.696512+00:00","generated_at":"2026-05-17T02:17:56.948511+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Arch Capital Q3 net income $1.3B ($3.56 EPS) vs $1.0B a year ago; book value up 5.3%","bullets":["Net income available to common shareholders $1.3B, $3.56 diluted EPS, vs $1.0B, $2.56 in Q3 2024.","After-tax operating income $1.0B ($2.77/share) vs $762M ($1.99); operating ROE 18.5%.","Combined ratio improved to 79.8% from 86.6% YoY; ex-cat and prior year dev 80.5% vs 78.3%.","Pre-tax catastrophe losses of $72M; favorable prior year reserve development of $103M.","Share repurchases of ~$732M during quarter; book value per share $62.32 (+5.3% from Q2)."],"urls":{"canonical":"https://secwatch.observer/filing/0000947484-25-000076","json":"https://secwatch.observer/filing/0000947484-25-000076.json","markdown":"https://secwatch.observer/filing/0000947484-25-000076.md","text":"https://secwatch.observer/filing/0000947484-25-000076.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/947484/000094748425000076/0000947484-25-000076-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/947484/000094748425000076/acgl-20251027.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T02:17:56.948511+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"}