Marianne Boyd Johnson - 15 Dec 2025 Form 4 Insider Report for WESTERN ALLIANCE BANCORPORATION (WAL)

Role
Director
Signature
/s/Jessica Jarvi (Attorney-in-fact)
Issuer symbol
WAL
Transactions as of
15 Dec 2025
Net transactions value
-$2,014,423
Form type
4
Filing time
16 Dec 2025, 16:13:52 UTC
Previous filing
05 Sep 2025
Next filing
07 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
JOHNSON MARIANNE BOYD Director C/O WESTERN ALLIANCE BANCORPORATION, ONE E. WASHINGTON STREET, STE 1400, PHOENIX /s/Jessica Jarvi (Attorney-in-fact) 16 Dec 2025 0001186742

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WAL Common Stock Sale $95,150 -1,100 -14% $86.50 6,614 15 Dec 2025 William R. Boyd Subtrust of The Boyd 2005 Irrevocable Trust dated April 15, 2005 F1
transaction WAL Common Stock Sale $574,029 -6,614 -100% $86.79 0 15 Dec 2025 William R. Boyd Subtrust of The Boyd 2005 Irrevocable Trust dated April 15, 2005 F2
transaction WAL Common Stock Sale $669,498 -7,714 -100% $86.79 0 15 Dec 2025 Samuel J. Boyd Subtrust of the Boyd 2005 Irrevocable Trust dated April 14, 2005 F2
transaction WAL Common Stock Sale $202,047 -2,328 -30% $86.79 5,386 15 Dec 2025 Marianne Boyd Johnson Subtrust of the Boyd 2005 Irrevocable Trust dated April 14, 2005 F2
transaction WAL Common Stock Sale $473,699 -5,386 -100% $87.95 0 15 Dec 2025 Marianne Boyd Johnson Subtrust of the Boyd 2005 Irrevocable Trust dated April 14, 2005 F3
holding WAL Common Stock 9,945 15 Dec 2025 Direct
holding WAL Common Stock 2,496 15 Dec 2025 Samuel J. Johnson (spouse)
holding WAL Common Stock 149,634 15 Dec 2025 The Marianne E. Boyd Trust, dated January 9, 2007
holding WAL Common Stock 148,525 15 Dec 2025 WSB-WAL LLC
holding WAL Common Stock 4,010,189 15 Dec 2025 SMW WAL Irrevocable Trust, dated March 13, 2023 F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.48 to $86.52, inclusive. The reporting person undertakes to provide to Western Alliance Bancorporation, any security holder of Western Alliance Bancorporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (2), and (3) to this Form 4.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.53 to $87.36, inclusive.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.64 to $88.50, inclusive.
F4 The reporting person is the Trustee of SMW WAL Irrevocable Trust and disclaims beneficial ownership in all but 1,336,730 shares.