# WESTERN ALLIANCE BANCORPORATION — DEFA14A

WESTERN ALLIANCE BANCORPORATION of PHOENIX, AZ filed a DEFA14A with the SEC on 2025-04-23. Industry: State Commercial Banks.

## Filing

- Filed: 2025-04-23
- Form: DEFA14A
- Accession: 0000950170-25-057351
- Registrant: WESTERN ALLIANCE BANCORPORATION
- CIK: 0001212545
- Industry (SIC): State Commercial Banks (6022)
- State of incorporation: DE
- Location: PHOENIX, AZ

## Documents (3)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFA14A | DEFA14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-04-22](https://search.stillhousedata.com/proxy/0001193125-26-170423) | DEFA14A |
| [2026-04-22](https://search.stillhousedata.com/proxy/0001193125-26-170399) | DEF 14A |
| 2025-04-23 | DEFA14A |
| [2025-04-23](https://search.stillhousedata.com/proxy/0000950170-25-057334) | DEF 14A |
| [2024-04-26](https://search.stillhousedata.com/proxy/0001096906-24-000944) | PX14A6G |
| [2024-04-24](https://search.stillhousedata.com/proxy/0001193125-24-110101) | DEFA14A |
| [2024-04-24](https://search.stillhousedata.com/proxy/0001193125-24-110085) | DEF 14A |
| [2024-03-28](https://search.stillhousedata.com/proxy/0001096906-24-000626) | PX14A6G |
| [2023-05-09](https://search.stillhousedata.com/proxy/0001193125-23-139401) | DEFR14A |
| [2023-04-27](https://search.stillhousedata.com/proxy/0001193125-23-122157) | DEFA14A |
| [2023-04-27](https://search.stillhousedata.com/proxy/0001193125-23-122124) | DEF 14A |
| [2022-04-29](https://search.stillhousedata.com/proxy/0001193125-22-133647) | DEFA14A |

## More

- [CIK 1212545 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1212545&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950170-25-057351.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
