Western Alliance (NYSE: WAL) executive details 285 and 212-share stock trades

Rhea-AI Filing Summary

Western Alliance Bancorporation’s vice chairman and CFO reported same-day transactions in company stock tied to cash-settled restricted stock units. On 12/15/2025, 285 and 212 units, each economically equivalent to one share of common stock, vested at a stated price of $0, and matching amounts of 285 and 212 common shares were disposed of at $86.18 per share. After these transactions, the officer directly held 300,358 Western Alliance common shares and indirectly held 612 shares through the company’s 401(k) plan as of 12/11/2025. The filing also notes continuing holdings of 3,982 and 5,495 cash-settled restricted stock units that vest monthly from March 2024 through February 2027 and from March 2025 through February 2028, respectively.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GIBBONS DALE

(Last) (First) (Middle)

C/O WESTERN ALLIANCE BANCORPORATION

ONE E. WASHINGTON STREET, STE 1400

(Street)

PHOENIX AZ 85004

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESTERN ALLIANCE BANCORPORATION [ WAL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice Chairman and CFO

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/15/2025		M		285(1)	A	$0(2)	300,643	D
Common Stock	12/15/2025		D		285	D	$86.18	300,358	D
Common Stock	12/15/2025		M		212(3)	A	$0(2)	300,570	D
Common Stock	12/15/2025		D		212	D	$86.18	300,358	D
Common Stock								612(4)	I	401K Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Cash Settled Restricted Stock Units	(2)	12/15/2025		M			285	(1)	(1)	Common Stock	285	(2)	3,982	D
Cash Settled Restricted Stock Units	(2)	12/15/2025		M			212	(3)	(3)	Common Stock	212	(2)	5,495	D

Explanation of Responses:

1. 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.

2. Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

3. 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.

4. Reflects shares held in the 401K Plan to include employer match as of 12/11/2025.

Remarks:

	/s/Jessica Jarvi (Attorney-in-fact)	12/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider stock transactions did Western Alliance (WAL) report on 12/15/2025?

The vice chairman and CFO reported transactions involving common stock on 12/15/2025. Blocks of 285 and 212 shares, tied to cash-settled restricted stock units, were acquired at a stated price of $0 and matching amounts of 285 and 212 shares were disposed of at $86.18 per share.

How many Western Alliance (WAL) shares does the officer own after these transactions?

Following the reported transactions, the officer beneficially owned 300,358 Western Alliance common shares directly. The filing also reports 612 shares held indirectly through a 401(k) plan as of 12/11/2025.

What are the cash-settled restricted stock units disclosed for Western Alliance (WAL)?

The filing lists cash-settled restricted stock units, each unit being the economic equivalent of one share of Western Alliance common stock. After the 12/15/2025 transactions, the officer held 3,982 units from one award and 5,495 units from another award.

What are the vesting schedules for the Western Alliance (WAL) restricted stock units?

One award of cash-settled restricted stock units vests and is payable solely in cash at a rate of 1/36th on the 15th day of each month from March 2024 through February 2027. A second award vests on the same monthly schedule from March 2025 through February 2028.

What role does the reporting person hold at Western Alliance (WAL)?

The reporting person is an officer of Western Alliance Bancorporation, serving as Vice Chairman and Chief Financial Officer (CFO), as indicated in the relationship section.

How are the 401(k) holdings for the Western Alliance (WAL) officer described?

The filing states that 612 Western Alliance common shares are held indirectly in a 401(k) plan, and this figure reflects shares held in the plan including employer match as of 12/11/2025.