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WAL · Current Report (Form 8-K) · Filed May 12, 2026

Western Alliance Bancorporation — Current Report (Form 8-K)

Form
8-K
Filed
May 12, 2026
Period
May 12, 2026
Ticker
WAL
Accession
0001628280-26-033850
Boardroom Alpha · Filing insights

Western Alliance to discuss its investor day presentation (Exhibit 99.1) at the May 12, 2026 investor event.

About Western Alliance Bancorporation
Market cap
$8.8B
1Y TSR
+8.4%
3Y TSR
+30.7%
Board grade
B
Sector
Financial Services
CEO
Dale Gibbons
Last annual meeting: Jun 10, 2026 · View full Western Alliance Bancorporation profile →
wal-20260512

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  May 12, 2026


WESTERN ALLIANCE BANCORPORATION
(Exact name of registrant as specified in its charter)

Delaware001-3255088-0365922
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)

One E. Washington Street, Phoenix, Arizona  85004
 (Address of principal executive offices)               (Zip Code)

(602) 389-3500
(Registrant's telephone number, including area code)

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.0001 Par ValueWALNew York Stock Exchange
Depositary Shares, Each Representing a 1/400th Interest in a Share of
4.250% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series A
WAL PrANew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨




ITEM 7.01. Regulation FD Disclosure.
Western Alliance Bancorporation (the “Company”) intends to discuss the information contained in the presentation attached hereto as Exhibit 99.1, which is incorporated herein by reference, at its Investor Day event at 8:30 a.m. ET on Tuesday, May 12, 2026 in New York, NY.
Participants may access the event conference line by dialing 1-646-931-3860, using meeting code 85304590502# and passcode 553075# or via live audio webcast using the website link https://westernalliance2026ird.q4web.com. The webcast is also available via the Company’s website at www.westernalliancebancorporation.com. Participants should log in at least 15 minutes early to receive instructions. The call will be recorded and made available for replay.
The information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed subject to the requirements of amended Item 10 of Regulation S-K, nor shall it be deemed incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The furnishing of this information hereby shall not be deemed an admission as to the materiality of any such information.
ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.
(d) Exhibits.
99.1 
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)




SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 WESTERN ALLIANCE BANCORPORATION
(Registrant)
 
 
/s/ Vishal Idnani
Vishal Idnani
Chief Financial Officer
 
 
 
Date:May 12, 2026


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Reference

Frequently asked questions

When did Western Alliance Bancorporation file this 8-K?
Western Alliance Bancorporation (WAL) filed this Current Report (Form 8-K) with the SEC on May 12, 2026. The accession number assigned by EDGAR is 0001628280-26-033850.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Western Alliance to discuss its investor day presentation (Exhibit 99.1) at the May 12, 2026 investor event. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Western Alliance Bancorporation's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Western Alliance Bancorporation has filed under CIK 1212545, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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