Dale Gibbons - Oct 15, 2025 Form 4 Insider Report for WESTERN ALLIANCE BANCORPORATION (WAL)

Role
Vice Chairman and CFO
Signature
/s/Jessica Jarvi (Attorney-in-fact)
Stock symbol
WAL
Transactions as of
Oct 15, 2025
Transactions value $
-$39,183
Form type
4
Date filed
10/17/2025, 05:27 PM
Previous filing
Sep 17, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
GIBBONS DALE Vice Chairman and CFO C/O WESTERN ALLIANCE BANCORPORATION, ONE E. WASHINGTON STREET, STE 1400, PHOENIX /s/Jessica Jarvi (Attorney-in-fact) 2025-10-17 0001331626

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAL Common Stock Options Exercise $0 +285 +0.1% $0.00 297K Oct 15, 2025 Direct F1, F2
transaction WAL Common Stock Disposed to Issuer -$22.5K -285 -0.1% $78.84 296K Oct 15, 2025 Direct
transaction WAL Common Stock Options Exercise $0 +212 +0.07% $0.00 297K Oct 15, 2025 Direct F2, F3
transaction WAL Common Stock Disposed to Issuer -$16.7K -212 -0.07% $78.84 296K Oct 15, 2025 Direct
holding WAL Common Stock 612 Oct 15, 2025 401K Plan F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WAL Cash Settled Restricted Stock Units Options Exercise -285 -5.89% 4.55K Oct 15, 2025 Common Stock 285 Direct F1, F2
transaction WAL Cash Settled Restricted Stock Units Options Exercise -212 -3.46% 5.92K Oct 15, 2025 Common Stock 212 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These units vest and are payable solely in cash as follows: 1/36th on the 15th day of each month during the 36-month period beginning March 2024 and ending February 2027.
F2 Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.
F3 These units vest and are payable solely in cash as follows: 1/36th on the 15th day of each month during the 36-month period beginning March 2025 and ending February 2028.
F4 Reflects shares held in the 401K Plan to include employer match as of 09/30/2025.