Company: WAL-PA
Filing Date: 2025-04-23
Form Type: DEF 14A
Source: 0000950170-25-057334
Chunk: 0

Company: WESTERN ALLIANCE BANCORPORATION
Filing Date: 2025-04-23
Form: DEF 14A
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box:

| ☐ | Preliminary Proxy Statement                                                     |
| ☐ | Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| ☒ | Definitive Proxy Statement                                                      |
| ☐ | Definitive Additional Materials                                                 |
| ☐ | Soliciting Material Pursuant to §240.14a-12                                     |

Western Alliance Bancorporation (Name of Registrant as Specified in Its Charter) (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant) Payment of Filing Fee (Check all boxes that apply):

| ☒ | No fee required                                                                                     |
| ☐ | Fee paid previously with preliminary materials                                                      |
| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

2025

PROXY STATEMENT AND NOTICE OF

2025 ANNUAL MEETING OF STOCKHOLDERS

Notice of Annual Meeting of Stockholders 2025 Annual Meeting of Stockholders

Voting Matters and Board Recommendations

| Proposal No. |                                                                                                                           | Board          
 Recommendation |
| 1            | Election of Directors. To elect thirteen directors to the Board of Directors for a one-year term                          
 (“Proposal No. 1” or “Election of Directors”)                                                                             | FOR            |
| 2            | Advisory (Non-Binding) Vote on Executive Compensation.To approve, on a non-binding advisory basis, executive compensation 
 (“Proposal No. 2” or “Say-on-Pay”)                                                                                        | FOR            |
| 3            | Ratification of Auditor. To ratify the appointment of RSM US LLP as the Company’s independent auditor for 2025            
 (“Proposal No. 3” or “Ratification of Auditor”)                                                                           | FOR            |

How to Vote

| Internetby going to www.proxydocs.com/WAL and following the online instructions. You will need information from your Notice of Internet Availability or proxy card, as applicable, to submit your proxy. |     | Telephoneby calling 1-866-249-5139 and following the voice prompts