{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-047885","form_type":"8-K","ticker":"WAL","cik":"0001212545","company_name":"WESTERN ALLIANCE BANCORPORATION","filed_at":"2025-11-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.954566+00:00","generated_at":"2026-05-17T00:50:09.109668+00:00","sec_items":["8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Western Alliance declares Q4 2025 common dividend of $0.42/share; preferred $0.265625/dep share","bullets":["Common stock dividend of $0.42 per share payable Nov 28, 2025 to holders of record Nov 13, 2025.","Preferred Series A dividend of $106.25 per share ($0.265625 per depositary share) payable Dec 30, 2025 to holders of record Dec 15, 2025.","Dividend amounts unchanged from prior quarter; routine quarterly declaration."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-047885","json":"https://secwatch.observer/filing/0001628280-25-047885.json","markdown":"https://secwatch.observer/filing/0001628280-25-047885.md","text":"https://secwatch.observer/filing/0001628280-25-047885.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1212545/000162828025047885/0001628280-25-047885-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1212545/000162828025047885/wal-20251031.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T00:50:09.109668+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"}