{"cik":"0001212545","ticker":"WAL","name":"WESTERN ALLIANCE BANCORPORATION","sic_code":"6022","sic_description":"State Commercial Banks","exchange":"NYSE","state_of_incorporation":"DE","fiscal_year_end":"1231","first_filing_date":"2026-05-11","last_filing_date":"2026-07-21","url":"/sec/cik-0001212545","insider_summary":{"total_transactions":238,"unique_insiders":12,"latest_transaction":"2026-07-15"},"recent_filings":[{"accession_number":"0001628280-26-062574","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062574","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062574-index.html"},{"accession_number":"0001628280-26-062573","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062573","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062573-index.html"},{"accession_number":"0001628280-26-062572","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062572","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062572-index.html"},{"accession_number":"0001628280-26-062571","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062571","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062571-index.html"},{"accession_number":"0001628280-26-062570","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062570","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062570-index.html"},{"accession_number":"0001628280-26-062569","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062569","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062569-index.html"},{"accession_number":"0001628280-26-062568","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062568","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062568-index.html"},{"accession_number":"0001628280-26-062567","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062567","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062567-index.html"},{"accession_number":"0001628280-26-062566","form_type":"4","form_type_family":"insider","doc_date":"2026-09-17","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-09-17","url_slug":"/sec/cik-0001212545/4/0001628280-26-062566","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-062566-index.html"},{"accession_number":"0001628280-26-057697","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057697","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057697-index.html"},{"accession_number":"0001628280-26-057696","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057696","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057696-index.html"},{"accession_number":"0001628280-26-057695","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057695","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057695-index.html"},{"accession_number":"0001628280-26-057694","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057694","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057694-index.html"},{"accession_number":"0001628280-26-057693","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057693","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057693-index.html"},{"accession_number":"0001628280-26-057691","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057691","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057691-index.html"},{"accession_number":"0001628280-26-057690","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057690","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057690-index.html"},{"accession_number":"0001628280-26-057688","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057688","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057688-index.html"},{"accession_number":"0001628280-26-057687","form_type":"4","form_type_family":"insider","doc_date":"2026-08-18","title":"4 — WESTERN ALLIANCE BANCORPORATION — 2026-08-18","url_slug":"/sec/cik-0001212545/4/0001628280-26-057687","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-057687-index.html"},{"accession_number":"0000080255-26-000543","form_type":"SCHEDULE 13G/A","form_type_family":"other","doc_date":"2026-08-14","title":"SCHEDULE 13G/A — WESTERN ALLIANCE BANCORPORATION — 2026-08-14","url_slug":"/sec/cik-0001212545/schedule-13g-a/0000080255-26-000543","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0000080255-26-000543-index.html"},{"accession_number":"0000914208-26-000315","form_type":"SCHEDULE 13G","form_type_family":"other","doc_date":"2026-08-13","title":"SCHEDULE 13G — WESTERN ALLIANCE BANCORPORATION — 2026-08-13","url_slug":"/sec/cik-0001212545/schedule-13g/0000914208-26-000315","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0000914208-26-000315-index.html"},{"accession_number":"0002100121-26-000971","form_type":"SCHEDULE 13G","form_type_family":"other","doc_date":"2026-07-31","title":"SCHEDULE 13G — WESTERN ALLIANCE BANCORPORATION — 2026-07-31","url_slug":"/sec/cik-0001212545/schedule-13g/0002100121-26-000971","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0002100121-26-000971-index.html"},{"accession_number":"0002100119-26-001504","form_type":"SCHEDULE 13G","form_type_family":"other","doc_date":"2026-07-31","title":"SCHEDULE 13G — WESTERN ALLIANCE BANCORPORATION — 2026-07-31","url_slug":"/sec/cik-0001212545/schedule-13g/0002100119-26-001504","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0002100119-26-001504-index.html"},{"accession_number":"0001628280-26-051418","form_type":"10-Q","form_type_family":"quarterly","doc_date":"2026-07-31","title":"10-Q — WESTERN ALLIANCE BANCORPORATION — 2026-07-31","url_slug":"/sec/cik-0001212545/10-q/0001628280-26-051418","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-051418-index.html"},{"accession_number":"0001628280-26-051146","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-30","title":"8-K — WESTERN ALLIANCE BANCORPORATION — 2026-07-30","url_slug":"/sec/cik-0001212545/8-k/0001628280-26-051146","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-051146-index.html"},{"accession_number":"0001628280-26-049001","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-21","title":"8-K — WESTERN ALLIANCE BANCORPORATION — 2026-07-21","url_slug":"/sec/cik-0001212545/8-k/0001628280-26-049001","edgar_url":"https://www.sec.gov/Archives/edgar/data/1212545/0001628280-26-049001-index.html"}],"related_endpoints":{"profile":"/sec/WAL/profile","timeline":"/sec/WAL/timeline","peers":"/sec/WAL/peers","insider_pulse":"/sec/WAL/insider-pulse","insider_summary":"/sec/WAL/insider-summary","insider_transactions":"/sec/WAL/insider-transactions","form144":"/sec/WAL/form144","holdings_as_filer":"/sec/WAL/holdings","financial_facts":"/sec/WAL/financial-facts","derivatives":"/sec/WAL/derivatives","officers":"/sec/WAL/officers","insider_network":"/sec/WAL/insider-network","risk_flags":"/sec/WAL/risk-flags","filings":"/sec/WAL/filings","cross_topic_dossier":"/api/v1/dossier?ticker=WAL"}}