[Form 3] WESTERN ALLIANCE BANCORPORATION Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Western Alliance Bancorporation (WAL) filed an initial Statement of Beneficial Ownership (Form 3) for its transitioning CFO. The event date is 10/14/2025. The filing reports 0 shares of common stock beneficially owned, held directly, and no derivative securities listed.

The form was filed by one reporting person and includes an Exhibit 24 Power of Attorney, signed by attorney-in-fact Jessica Jarvi.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Idnani Vishal

(Last) (First) (Middle)

C/O WESTERN ALLIANCE BANCORPORATION

1 E. WASHINGTON ST., SUITE 1400

(Street)

PHOENIX AZ 85004

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/14/2025

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Transitioning CFO

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/Jessica Jarvi (Attorney-in-fact)	10/21/2025
	** 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 5 (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 did WAL disclose in this Form 3?

An initial insider ownership report for the transitioning CFO showing 0 common shares beneficially owned and no derivatives.

What is the event date for the WAL Form 3?

The event date is 10/14/2025.

Who is the reporting person’s role at WAL?

The reporting person is an Officer with the title Transitioning CFO.

How many WAL shares does the reporting person own?

The filing reports 0 shares of common stock, held directly.

Were any derivative securities reported?

No. The Form 3 lists no derivative securities in Table II.

Was this filed by multiple reporting persons?

No. It was filed by one reporting person.

Does the filing include any exhibits?

Yes. It includes Exhibit 24 – Power of Attorney, signed by Jessica Jarvi as attorney-in-fact.