Kenneth Vecchione - 15 Feb 2026 Form 4 Insider Report for WESTERN ALLIANCE BANCORPORATION (WAL)

Signature
/s/Jessica Jarvi (Attorney-in-fact)
Issuer symbol
WAL
Transactions as of
15 Feb 2026
Net transactions value
-$784,558
Form type
4
Filing time
18 Feb 2026, 16:36:28 UTC
Previous filing
10 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vecchione Kenneth President and CEO, Director C/O WESTERN ALLIANCE BANCORPORATION, ONE E. WASHINGTON STREET, STE 1400, PHOENIX /s/Jessica Jarvi (Attorney-in-fact) 18 Feb 2026 0001398948

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAL Common Stock Award $0 +17,366 +3.8% $0.000000 470,620 15 Feb 2026 Direct
transaction WAL Common Stock Tax liability $693,594 -7,442 -1.6% $93.20 463,178 15 Feb 2026 Direct
transaction WAL Common Stock Options Exercise $0 +539 +0.12% $0.000000 463,717 15 Feb 2026 Direct F1, F2
transaction WAL Common Stock Disposed to Issuer $50,235 -539 -0.12% $93.20 463,178 15 Feb 2026 Direct
transaction WAL Common Stock Options Exercise $0 +437 +0.09% $0.000000 463,615 15 Feb 2026 Direct F2, F3
transaction WAL Common Stock Disposed to Issuer $40,728 -437 -0.09% $93.20 463,178 15 Feb 2026 Direct
holding WAL Common Stock 1,950 15 Feb 2026 401K Plan F4
holding WAL Common Stock 750 15 Feb 2026 Darcy Vecchione UTMA (daughter)

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 -539 -7.7% 6,480 15 Feb 2026 Common Stock 539 Direct F1, F2
transaction WAL Cash Settled Restricted Stock Units Options Exercise -437 -4% 10,482 15 Feb 2026 Common Stock 437 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 2/5/2026.