Timothy W. Boothe - 15 Feb 2026 Form 4 Insider Report for WESTERN ALLIANCE BANCORPORATION (WAL)

Role
Chief Administration Officer
Signature
/s/Jessica Jarvi (Attorney-in-fact)
Issuer symbol
WAL
Transactions as of
15 Feb 2026
Net transactions value
-$71,391
Form type
4
Filing time
18 Feb 2026, 16:37:09 UTC
Previous filing
10 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Boothe Timothy W Chief Administration Officer ONE E. WASHINGTON ST., SUITE 1400, PHOENIX /s/Jessica Jarvi (Attorney-in-fact) 18 Feb 2026 0001364140

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAL Common Stock Award $0 +2,151 +3.4% $0.000000 66,017 15 Feb 2026 Direct
transaction WAL Common Stock Tax liability $55,920 -600 -0.91% $93.20 65,417 15 Feb 2026 Direct
transaction WAL Common Stock Options Exercise $0 +97 +0.15% $0.000000 65,514 15 Feb 2026 Direct F1, F2
transaction WAL Common Stock Disposed to Issuer $9,040 -97 -0.15% $93.20 65,417 15 Feb 2026 Direct
transaction WAL Common Stock Options Exercise $0 +69 +0.11% $0.000000 65,486 15 Feb 2026 Direct F2, F3
transaction WAL Common Stock Disposed to Issuer $6,431 -69 -0.11% $93.20 65,417 15 Feb 2026 Direct
holding WAL Common Stock 325 15 Feb 2026 Alvina Boothe (spouse)

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 -97 -7.7% 1,167 15 Feb 2026 Common Stock 97 Direct F1, F2
transaction WAL Cash Settled Restricted Stock Units Options Exercise -69 -4% 1,655 17 Feb 2026 Common Stock 69 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.