Western Alliance CEO reports mixed share transactions

The units are payable solely in cash, while matching quantities appear in separate common-stock dispositions to the issuer.

Rhea-AI Filing Summary

Western Alliance Bancorporation (WAL) Chairman, President & CEO Kenneth Vecchione reported cash-settled restricted stock unit tranches of 539, 437 and 595 units on October 15, 2026; each unit is the economic equivalent of one common share. The report also lists acquisitions of 539, 437 and 595 common shares at $0.0000 per share, followed by dispositions to the issuer of those same respective amounts at $74.3500 per share. Reported holdings include 1,950 shares in the 401K Plan, including employer match, as of October 15, 2026, and 750 shares in Darcy Vecchione UTMA (daughter).

Insider Trade Summary

1,571 shares exercised/converted

Exercise 11 txns

Insider Vecchione Kenneth

Role Chairman, President & CEO

Type	Security	Shares	Price	Value
Exercise	Cash Settled Restricted Stock Units F2, F1	539	--	--
Exercise	Cash Settled Restricted Stock Units F2, F3	437	--	--
Exercise	Cash Settled Restricted Stock Units F2, F4	595	--	--
Exercise	Common Stock F1, F2	539	$0.00	$0.00
Disposition	Common Stock	539	$74.35	$40K
Exercise	Common Stock F3, F2	437	$0.00	$0.00
Disposition	Common Stock	437	$74.35	$32K
Exercise	Common Stock F4, F2	595	$0.00	$0.00
Disposition	Common Stock	595	$74.35	$44K
holding	Common Stock F5	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Cash Settled Restricted Stock Units — 25,796 contracts (Direct); Common Stock — 463,178 shares (Direct); Common Stock — 1,950 shares (Indirect, 401K Plan); Common Stock — 750 shares (Indirect, Darcy Vecchione UTMA (daughter))

Footnotes (5)

1. F1. 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. F2. Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.
3. F3. 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. F4. 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 2026 and ending February 2029.
5. F5. Reflects shares held in the 401K Plan to include employer match as of 10/15/2026.

Key Figures

Cash-settled restricted stock units: 539 units Cash-settled restricted stock units: 437 units Cash-settled restricted stock units: 595 units +4 more

7 metrics

Cash-settled restricted stock units 539 units Tranche reported October 15, 2026

Cash-settled restricted stock units 437 units Tranche reported October 15, 2026

Cash-settled restricted stock units 595 units Tranche reported October 15, 2026

Disposition price $74.3500 per share Common shares disposed to the issuer October 15, 2026

Acquisition price $0.0000 per share Common shares acquired October 15, 2026

401K Plan holdings 1,950 shares Includes employer match as of October 15, 2026

Darcy Vecchione UTMA holdings 750 shares UTMA account identified as the reporting person's daughter's

Key Terms

Cash Settled Restricted Stock Units, economic equivalent, 401K Plan

3 terms

Cash Settled Restricted Stock Units financial

"Cash Settled Restricted Stock Units"

Cash-settled restricted stock units are employee compensation promises that mirror the value of company shares but pay out in cash instead of delivering actual stock once the units vest. Think of them as a future paycheck tied to the company’s share price that is paid after time or performance conditions are met. Investors watch them because they create future cash obligations for the company and avoid share dilution, both of which can affect earnings, cash flow and per-share metrics.

economic equivalent financial

"the economic equivalent of one share"

401K Plan financial

"shares held in the 401K Plan"

A 401(k) plan is an employer-sponsored retirement savings account that lets workers set aside part of their paycheck into investments, often with tax breaks and sometimes with matching contributions from the employer. Think of it as a workplace piggy bank that grows through employee contributions, optional company top-ups, and market returns; it matters to investors because it shapes household retirement security, drives large flows of money into public markets, and affects a company’s compensation costs and ability to attract and keep talent.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What share transactions did WAL CEO Kenneth Vecchione report?

On October 15, 2026, he reported acquisitions of 539, 437 and 595 common shares at $0.0000 per share and dispositions to the issuer of those same respective quantities at $74.3500 per share.

What are the vesting terms for Kenneth Vecchione's WAL cash-settled units?

The 539-, 437- and 595-unit awards vest and are payable solely in cash, 1/36th on the 15th day of each month during 36-month periods beginning March 2024 and ending February 2027, March 2025 and ending February 2028, and March 2026 and ending February 2029.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/19/2026 - 04:31 PM EDT Accepted by SEC EDGAR 10/19/2026 - 04:30 PM EDT Learn about SEC filing dates

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^*

Vecchione Kenneth

(Last) (First) (Middle)

C/O WESTERN ALLIANCE BANCORPORATION

ONE E. WASHINGTON STREET, STE 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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman, President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2026

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	10/15/2026		M		539(1)	A	$0(2)	463,717	D
Common Stock	10/15/2026		D		539	D	$74.35	463,178	D
Common Stock	10/15/2026		M		437(3)	A	$0(2)	463,615	D
Common Stock	10/15/2026		D		437	D	$74.35	463,178	D
Common Stock	10/15/2026		M		595(4)	A	$0(2)	463,773	D
Common Stock	10/15/2026		D		595	D	$74.35	463,178	D
Common Stock								1,950(5)	I	401K Plan
Common Stock								750	I	Darcy Vecchione UTMA (daughter)

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)	10/15/2026		M			539	(1)	(1)	Common Stock	539	(2)	2,168	D
Cash Settled Restricted Stock Units	(2)	10/15/2026		M			437	(3)	(3)	Common Stock	437	(2)	6,986	D
Cash Settled Restricted Stock Units	(2)	10/15/2026		M			595	(4)	(4)	Common Stock	595	(2)	16,642	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. 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 2026 and ending February 2029.

5. Reflects shares held in the 401K Plan to include employer match as of 10/15/2026.

Remarks:

	/s/Jessica Jarvi (Attorney-in-fact)	10/19/2026
	** 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)