{"schema_version":"secwatch.filing_event.v1","accession":"0001212545-23-000144","form_type":"8-K","ticker":"WAL","cik":"0001212545","company_name":"WESTERN ALLIANCE BANCORPORATION","filed_at":"2023-08-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.343521+00:00","generated_at":"2026-06-12T17:05:50.163130+00:00","sec_items":["8.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"Western Alliance declares $0.36 quarterly common dividend, $0.265625 preferred","bullets":["Common dividend of $0.36 per share payable August 25, 2023, record date August 11, 2023.","Preferred dividend of $106.25 per share ($0.265625 per depositary share) payable September 30, 2023, record September 15, 2023.","Dividends declared at Board meeting held July 31, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001212545-23-000144","json":"https://secwatch.observer/filing/0001212545-23-000144.json","markdown":"https://secwatch.observer/filing/0001212545-23-000144.md","text":"https://secwatch.observer/filing/0001212545-23-000144.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1212545/000121254523000144/0001212545-23-000144-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1212545/000121254523000144/wal-20230731.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-12T17:05:50.163130+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"}