{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-26-051146","form_type":"8-K","ticker":"WAL","cik":"0001212545","company_name":"WESTERN ALLIANCE BANCORPORATION","filed_at":"2026-07-30T21:23:09+00:00","discovered_at":"2026-07-30T21:24:00.362767+00:00","generated_at":"2026-07-30T21:24:12.716688+00:00","sec_items":["8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Western Alliance declares $0.42 quarterly common dividend and preferred dividend","bullets":["Common dividend of $0.42 per share payable Aug 27, 2026 to holders of record Aug 13, 2026.","Preferred dividend of $106.25 per share ($0.265625 per depositary share) payable Sep 30, 2026 to holders of record Sep 15, 2026.","Dividends declared at regular quarterly rate; no change from prior quarter indicated."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-26-051146","json":"https://secwatch.observer/filing/0001628280-26-051146.json","markdown":"https://secwatch.observer/filing/0001628280-26-051146.md","text":"https://secwatch.observer/filing/0001628280-26-051146.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1212545/000162828026051146/0001628280-26-051146-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1212545/000162828026051146/wal-20260730.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-30T21:24:12.716688+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"}