[Form 4] WESTERN ALLIANCE BANCORPORATION Insider Trading Activity

Rhea-AI Filing Summary

Western Alliance Bancorporation (WAL) reported insider transactions by officer and CLO & Secretary Jessica H. Jarvi on 11/15/2025. She exercised cash-settled restricted stock units into Common Stock in two small lots of 58 and 46 shares at an exercise price of $0 per share, then disposed of the same amounts of common stock at a sale price of $78.17 per share. Following these transactions, she directly held 12,457 shares of common stock and indirectly held 2,074 shares through the WAL 401(k) plan as of mid-November 2025. The derivative table shows remaining cash-settled restricted stock units that vest monthly through February 2027 and February 2028, each unit being the economic equivalent of one WAL common share.

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

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

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^*

Jarvi Jessica H

(Last) (First) (Middle)

1 E. WASHINGTON STREET

SUITE 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)
	CLO & Secretary

3. Date of Earliest Transaction (Month/Day/Year)
11/15/2025

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	11/15/2025		M		58(1)	A	$0(2)	12,515	D
Common Stock	11/15/2025		D		58	D	$78.17	12,457	D
Common Stock	11/15/2025		M		46(3)	A	$0(2)	12,503	D
Common Stock	11/15/2025		D		46	D	$78.17	12,457	D
Common Stock								2,074(4)	I	WAL 401(k)

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)	11/15/2025		M			58	(1)	(1)	Common Stock	58	(2)	853	D
Cash Settled Restricted Stock Units	(2)	11/15/2025		M			46	(3)	(3)	Common Stock	46	(2)	1,241	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 11/13/2025.

Remarks:

	Jessica H. Jarvi	11/18/2025
	** 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 transaction did WAL officer Jessica H. Jarvi report on this Form 4?

Jessica H. Jarvi, an officer of Western Alliance Bancorporation (WAL), reported exercising cash-settled restricted stock units into Common Stock and then selling those shares on 11/15/2025.

At what price were Western Alliance Bancorporation (WAL) shares sold in this Form 4?

The reported sales of WAL common stock on 11/15/2025 were executed at a price of $78.17 per share.

How many Western Alliance Bancorporation shares does Jessica H. Jarvi own after the reported transactions?

After the reported transactions, Jessica H. Jarvi beneficially owned 12,457 shares of WAL common stock directly and 2,074 shares indirectly through the WAL 401(k) plan as of mid-November 2025.

What type of derivative securities are disclosed for WAL in this Form 4?

The filing discloses cash settled restricted stock units, each unit being the economic equivalent of one share of Western Alliance Bancorporation common stock.

How do the WAL cash-settled restricted stock units held by Jessica H. Jarvi vest?

The filing states that certain units vest and are payable solely in cash as 1/36th on the 15th day of each month during 36-month periods beginning in March 2024 and March 2025, ending in February 2027 and February 2028, respectively.

What is Jessica H. Jarvi’s role at Western Alliance Bancorporation (WAL)?

Jessica H. Jarvi is reported as an officer of Western Alliance Bancorporation, serving as CLO & Secretary.