Western Alliance (NYSE: WAL) CAO sells 5,946 shares in $81 open-market trade

Rhea-AI Filing Summary

Western Alliance Bancorporation’s Chief Accounting Officer, Ben Mucha, reported an open-market sale of Common Stock. On June 8, 2026, he sold 5,946 shares at $81.00 per share. Following this transaction, he directly holds 3,485 shares of Western Alliance Bancorporation common stock.

Insider Trade Summary

Net Seller: 5,946 shares ($481,626)

Net Sell 1 txn

Insider Mucha Ben

Role Chief Accounting Officer

Sold 5,946 shs ($482K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,946	$81.00	$482K

Holdings After Transaction: Common Stock — 3,485 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 5,946 shares Sale price: $81.00 per share Shares held after transaction: 3,485 shares

3 metrics

Shares sold 5,946 shares Open-market sale of Common Stock on June 8, 2026

Sale price $81.00 per share Price for the 5,946 shares sold

Shares held after transaction 3,485 shares Direct ownership following the June 8, 2026 sale

Key Terms

open-market sale, Common Stock, Chief Accounting Officer, Form 4

4 terms

open-market sale financial

"he sold 5,946 shares at $81.00 per share in an open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"open-market sale of Western Alliance Bancorporation Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Chief Accounting Officer financial

"Chief Accounting Officer Ben Mucha executed an open-market sale"

A chief accounting officer is a senior executive responsible for overseeing a company's financial records and ensuring all accounting practices are accurate and compliant with regulations. They play a key role in preparing financial reports that help investors understand the company's financial health, much like a trusted navigator guiding a ship through complex waters. Their work ensures transparency and trust in the company's financial information.

Form 4 regulatory

"as disclosed in the Form 4 insider trading report"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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
Estimated average burden
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^*

Mucha Ben

(Last) (First) (Middle)

1 E. WASHINGTON STREET

SUITE 1400

(Street)

PHOENIX ARIZONA 85004

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/08/2026

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

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

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

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	06/08/2026		S		5,946	D	$81	3,485	D

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

Explanation of Responses:

Remarks:

	/s/Jessica Jarvi (Attorney-in-fact)	06/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Western Alliance (WAL) report for Ben Mucha?

Western Alliance Bancorporation reported that Chief Accounting Officer Ben Mucha executed an open-market sale of company Common Stock. He sold 5,946 shares at $81.00 per share and now directly holds 3,485 shares, according to a Form 4 insider filing.

How many Western Alliance (WAL) shares did Ben Mucha sell and at what price?

Ben Mucha sold 5,946 shares of Western Alliance Bancorporation Common Stock in an open-market transaction. The reported sale price was $81.00 per share, as disclosed in the Form 4 insider trading report filed with regulators.

How many Western Alliance (WAL) shares does Ben Mucha hold after the sale?

After completing the open-market sale, Ben Mucha directly holds 3,485 shares of Western Alliance Bancorporation Common Stock. This post-transaction ownership figure is reported in the Form 4 filing summarizing his insider trading activity on June 8, 2026.

What role does Ben Mucha hold at Western Alliance (WAL) in this Form 4 filing?

In this Form 4 filing, Ben Mucha is identified as an officer of Western Alliance Bancorporation, serving as Chief Accounting Officer. The filing links his executive role to the reported open-market sale of Common Stock on June 8, 2026.

Was the Western Alliance (WAL) transaction by Ben Mucha a purchase or sale?

The transaction reported for Ben Mucha was a sale, not a purchase. The Form 4 classifies it as an open-market sale of 5,946 shares of Western Alliance Bancorporation Common Stock at $81.00 per share, reducing his direct shareholdings.