{"schema_version":"secwatch.filing_event.v1","accession":"0001212545-25-000139","form_type":"8-K","ticker":"WAL","cik":"0001212545","company_name":"WESTERN ALLIANCE BANCORPORATION","filed_at":"2025-05-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:47.733390+00:00","generated_at":"2026-05-22T23:50:51.862237+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 $0.38 quarterly common and Series A preferred dividends","bullets":["Common dividend of $0.38 per share; payable May 30, 2025 to holders of record May 15, 2025.","Series A preferred dividend of $106.25 per share ($0.265625 per depositary share); payable June 30, 2025 to holders of record June 13, 2025.","Dividends declared by Board of Directors at May 1, 2025 meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0001212545-25-000139","json":"https://secwatch.observer/filing/0001212545-25-000139.json","markdown":"https://secwatch.observer/filing/0001212545-25-000139.md","text":"https://secwatch.observer/filing/0001212545-25-000139.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1212545/000121254525000139/0001212545-25-000139-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1212545/000121254525000139/wal-20250501.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T23:50:51.862237+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"}