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

Signature
/s/Jessica Jarvi (Attorney-in-fact)
Issuer symbol
WAL
Transactions as of
15 Oct 2025
Net transactions value
-$39,183
Form type
4
Filing time
17 Oct 2025, 17:27:12 UTC
Previous filing
17 Sep 2025
Next filing
30 Oct 2025

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) 17 Oct 2025 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% $0.000000 296,643 15 Oct 2025 Direct F1, F2
transaction WAL Common Stock Disposed to Issuer $22,469 -285 -0.1% $78.84 296,358 15 Oct 2025 Direct
transaction WAL Common Stock Options Exercise $0 +212 +0.07% $0.000000 296,570 15 Oct 2025 Direct F2, F3
transaction WAL Common Stock Disposed to Issuer $16,714 -212 -0.07% $78.84 296,358 15 Oct 2025 Direct
holding WAL Common Stock 612 15 Oct 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 -5.9% 4,552 15 Oct 2025 Common Stock 285 Direct F1, F2
transaction WAL Cash Settled Restricted Stock Units Options Exercise -212 -3.5% 5,919 15 Oct 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.