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Western Alliance (NYSE: WAL) chief banking officer to leave for CEO role

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Western Alliance Bancorporation reported a leadership change in its senior banking team. On May 8, 2026, Stephen Curley, Chief Banking Officer for National Business Lines, submitted his resignation. He is leaving to pursue another employment opportunity as a Chief Executive Officer within the financial services industry.

The filing does not provide further detail on succession plans or changes to his responsibilities before departure. Western Alliance’s common stock and its 4.250% fixed-rate reset non-cumulative perpetual preferred stock, Series A, remain listed on the New York Stock Exchange.

Positive

  • None.

Negative

  • None.
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance
Key personnel changes including departures, elections, or appointments of directors and executive officers.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Resignation notice date May 8, 2026 Stephen Curley resignation notification
Common stock par value $0.0001 per share Western Alliance common stock
Series A preferred dividend rate 4.250% Fixed-rate reset non-cumulative perpetual preferred stock
Exhibit filed Exhibit 104 Cover Page Interactive Data File (Inline XBRL)
Chief Banking Officer for National Business Lines financial
"Stephen Curley, Chief Banking Officer for National Business Lines of Western Alliance Bancorporation, provided notice"
Non-Cumulative Perpetual Preferred Stock, Series A financial
"Depositary Shares, Each Representing a 1/400 th Interest in a Share of 4.250% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series A"
Emerging growth company regulatory
"Emerging growth company"
An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.
Inline XBRL regulatory
"Cover Page Interactive Data File (embedded within the Inline XBRL document)"
Inline XBRL is a file format for financial filings that embeds machine-readable data tags directly inside the human-readable report, so the same document can be read by people and parsed by software. For investors it makes extracting, comparing and verifying financial numbers faster and more reliable—like a grocery list where each item also has a barcode—reducing manual errors and speeding up analysis.
0001212545FALSE00012125452026-05-082026-05-080001212545us-gaap:CommonStockMember2026-05-082026-05-080001212545us-gaap:NoncumulativePreferredStockMember2026-05-082026-05-08

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 8, 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 5.02    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On May 8, 2026, Stephen Curley, Chief Banking Officer for National Business Lines of Western Alliance Bancorporation, provided notice of his resignation in order to pursue another employment opportunity as Chief Executive Officer within the financial services industry.
Item 9.01    Financial Statements and Exhibits
The following exhibits are being filed herewith:
(d) Exhibits.
Exhibit No.Description
104Cover 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


FAQ

What executive change did Western Alliance Bancorporation (WAL) disclose in this 8-K?

Western Alliance Bancorporation disclosed that Stephen Curley, Chief Banking Officer for National Business Lines, submitted his resignation. He is leaving to pursue another employment opportunity as a Chief Executive Officer within the financial services industry, according to the company’s current report.

What role did Stephen Curley hold at Western Alliance Bancorporation (WAL)?

Stephen Curley served as Chief Banking Officer for National Business Lines at Western Alliance Bancorporation. This is a senior leadership role overseeing key business banking activities across specialized lines, as indicated in the company’s current report on executive changes.

Why is Stephen Curley leaving Western Alliance Bancorporation (WAL)?

Stephen Curley is resigning from Western Alliance Bancorporation to pursue another employment opportunity as a Chief Executive Officer within the financial services industry. The filing states this as the reason for his departure without providing additional details on his next position.

When did Western Alliance Bancorporation (WAL) receive Stephen Curley’s resignation?

Western Alliance Bancorporation received Stephen Curley’s resignation on May 8, 2026. That date is specified in the current report as when the Chief Banking Officer for National Business Lines notified the company of his decision to leave for a Chief Executive Officer opportunity.

Which Western Alliance Bancorporation (WAL) securities are listed on the NYSE?

Western Alliance Bancorporation lists its common stock with $0.0001 par value under the symbol WAL on the NYSE. It also lists depositary shares representing a 1/400 interest in 4.250% fixed-rate reset non-cumulative perpetual preferred stock, Series A, under symbol WAL PrA.

Does the Western Alliance (WAL) filing describe any financial results or earnings?

The filing focuses on an executive resignation and does not describe financial results or earnings. It cites Stephen Curley’s decision to leave his role as Chief Banking Officer for National Business Lines, rather than reporting revenue, profit, or other performance metrics.

Filing Exhibits & Attachments

4 documents