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

Role
President and CEO, Director
Signature
/s/Jessica Jarvi (Attorney-in-fact)
Issuer symbol
WAL
Transactions as of
15 Mar 2026
Net transactions value
$0
Form type
4
Filing time
17 Mar 2026, 16:25:54 UTC
Previous filing
18 Feb 2026
SEC
View on sec.gov

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) 17 Mar 2026 0001398948

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAL Common Stock Options Exercise +539 +0.12% $0.000000* 463,717 15 Mar 2026 Direct F1, F2
transaction WAL Common Stock Disposed to Issuer -539 -0.12% $67.97* 463,178 15 Mar 2026 Direct
transaction WAL Common Stock Options Exercise +437 +0.09% $0.000000* 463,615 15 Mar 2026 Direct F2, F3
transaction WAL Common Stock Disposed to Issuer -437 -0.09% $67.97* 463,178 15 Mar 2026 Direct
transaction WAL Common Stock Options Exercise +595 +0.13% $0.000000* 463,773 15 Mar 2026 Direct F2, F4
transaction WAL Common Stock Disposed to Issuer -595 -0.13% $67.97* 463,178 15 Mar 2026 Direct
holding WAL Common Stock 1,950 15 Mar 2026 401K Plan F5
holding WAL Common Stock 750 15 Mar 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 -8.3% 5,941 15 Mar 2026 Common Stock 539 Direct F1, F2
transaction WAL Cash Settled Restricted Stock Units Options Exercise -437 -4.2% 10,045 15 Mar 2026 Common Stock 437 Direct F2, F3
transaction WAL Cash Settled Restricted Stock Units Options Exercise -595 -2.8% 20,807 15 Mar 2026 Common Stock 595 Direct F2, F4
* 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 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 2026 and ending February 2029.
F5 Reflects shares held in the 401K Plan to include employer match as of 3/5/2026.