Vishal Idnani - 15 Mar 2026 Form 4 Insider Report for WESTERN ALLIANCE BANCORPORATION (WAL)

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, 16:25:28 UTC
Previous filing
09 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Idnani Vishal Chief Financial Officer C/O WESTERN ALLIANCE BANCORPORATION, 1 E. WASHINGTON ST., SUITE 1400, PHOENIX /s/Jessica Jarvi (Attorney-in-fact) 17 Mar 2026 0002092854

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAL Common Stock Options Exercise +123 +1.1% $0.000000* 11,591 15 Mar 2026 Direct F1, F2
transaction WAL Common Stock Disposed to Issuer -123 -1.1% $67.97* 11,468 15 Mar 2026 Direct

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 -123 -2.8% 4,289 15 Mar 2026 Common Stock 123 Direct F1, F2
* 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 2026 and ending February 2029.
F2 Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.