{"schema_version":"secwatch.filing_event.v1","accession":"0000011544-22-000035","form_type":"8-K","ticker":"WRB","cik":"0000011544","company_name":"BERKLEY W R CORP","filed_at":"2022-12-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.753927+00:00","generated_at":"2026-06-21T05:57:29.521322+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"W. R. Berkley elects Daniel L. Mosley to board effective Jan 1, 2023","bullets":["Board expands to ten members; independent directors increase to eight.","Mosley named to Compensation Committee and Nominating and Corporate Governance Committee.","Mosley is a Partner at BDT & Company and former partner at Cravath, Swaine & Moore LLP."],"urls":{"canonical":"https://secwatch.observer/filing/0000011544-22-000035","json":"https://secwatch.observer/filing/0000011544-22-000035.json","markdown":"https://secwatch.observer/filing/0000011544-22-000035.md","text":"https://secwatch.observer/filing/0000011544-22-000035.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/11544/000001154422000035/0000011544-22-000035-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/11544/000001154422000035/wrb-20221209.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T05:57:29.521322+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"}