{"schema_version":"secwatch.filing_event.v1","accession":"0000947484-25-000089","form_type":"8-K","ticker":"ACGL","cik":"0000947484","company_name":"ARCH CAPITAL GROUP LTD.","filed_at":"2025-11-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.697029+00:00","generated_at":"2026-05-16T23:17:01.277128+00:00","sec_items":["8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Arch Capital declares quarterly dividends on Series F and G preferred shares","bullets":["Series F dividend of $4.5M ($0.340625/depositary share) for period 9/30-12/30/25.","Series G dividend of $5.7M ($0.284375/depositary share) for same period.","Both payable Dec 31, 2025 to holders of record Dec 15, 2025.","Dividends declared out of lawfully available funds under Bermuda law."],"urls":{"canonical":"https://secwatch.observer/filing/0000947484-25-000089","json":"https://secwatch.observer/filing/0000947484-25-000089.json","markdown":"https://secwatch.observer/filing/0000947484-25-000089.md","text":"https://secwatch.observer/filing/0000947484-25-000089.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/947484/000094748425000089/0000947484-25-000089-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/947484/000094748425000089/acgl-20251107.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T23:17:01.277128+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"}