Western Alliance (NYSE: WAL) CAO settles RSUs with no share change

Rhea-AI Filing Summary

Western Alliance Bancorporation (WAL) executive Timothy W. Boothe, Chief Administration Officer, reported the vesting and cash settlement of cash-settled restricted stock units (RSUs) economically equivalent to 235 shares of common stock in three tranches (97, 69 and 69 units) on August 15, 2026. Corresponding entries show acquisitions of 235 common shares at $0.00 and matching dispositions of 235 shares to the issuer at $82.32 per share, resulting in no net common-share change from these transactions. He also reports 325 common shares held indirectly through his spouse, Alvina Boothe.

Insider Trade Summary

235 shares exercised/converted

Exercise 10 txns

Insider Boothe Timothy W

Role Chief Administration Officer

Type	Security	Shares	Price	Value
Exercise	Cash Settled Restricted Stock Units F2, F1	97	--	--
Exercise	Cash Settled Restricted Stock Units F2, F3	69	--	--
Exercise	Cash Settled Restricted Stock Units F2, F4	69	--	--
Exercise	Common Stock F1, F2	97	$0.00	$0.00
Disposition	Common Stock	97	$82.32	$8K
Exercise	Common Stock F3, F2	69	$0.00	$0.00
Disposition	Common Stock	69	$82.32	$6K
Exercise	Common Stock F4, F2	69	$0.00	$0.00
Disposition	Common Stock	69	$82.32	$6K
holding	Common Stock	--	--	--

Holdings After Transaction: Cash Settled Restricted Stock Units — 3,881 shares (Direct); Common Stock — 65,417 shares (Direct); Common Stock — 325 shares (Indirect, Alvina Boothe (spouse))

Footnotes (4)

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.

Key Figures

RSU equivalents vested/settled: 235 units Disposition price to issuer: $82.3200 per share RSU tranche 1: 97 units +3 more

6 metrics

RSU equivalents vested/settled 235 units Total cash-settled RSUs economically equivalent to WAL common stock exercised/converted

Disposition price to issuer $82.3200 per share Price for WAL common stock dispositions coded as D on August 15, 2026

RSU tranche 1 97 units Cash-settled RSUs economically equivalent to 97 WAL common shares

RSU tranches 2 and 3 69 units each Two additional RSU tranches, each equivalent to 69 WAL common shares

Net common-share change 0 shares transactionSummary netBuySellShares for reported transactions

Indirect holdings via spouse 325 shares Common stock held indirectly through Alvina Boothe (spouse) after transactions

Key Terms

Cash Settled Restricted Stock Units, Exercise or conversion of derivative security, Disposition to issuer, economic equivalent, +1 more

5 terms

Cash Settled Restricted Stock Units financial

"security_title "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.

Exercise or conversion of derivative security financial

"transaction_code_description "Exercise or conversion of derivative security""

Disposition to issuer financial

"transaction_code_description "Disposition to issuer""

economic equivalent financial

"Each unit is the economic equivalent of one share"

indirect ownership financial

"ownership_type "indirect" with nature_of_ownership "Alvina Boothe (spouse)""

FAQ

What insider transactions did WAL executive Timothy W. Boothe report on August 15, 2026?

Timothy W. Boothe reported vesting and cash settlement of RSUs equivalent to 235 WAL shares and offsetting acquisitions and dispositions of 235 common shares with the issuer. These transactions produced no net change in his directly reported common-share position.

What price was used for Timothy W. Boothe’s WAL share dispositions to the issuer?

Boothe’s reported dispositions of WAL common stock to the issuer were priced at $82.32 per share. Each related acquisition entry showed a price of $0.00 per share, reflecting share issuance in connection with derivative (RSU) settlement rather than an open-market purchase.

How many WAL-equivalent RSUs vested for Timothy W. Boothe in this Form 4?

Boothe reported cash-settled restricted stock units economically equivalent to 235 WAL shares vesting or settling: 97 units, 69 units, and another 69 units. Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock, payable solely in cash on scheduled monthly dates.

Does the August 15, 2026 Form 4 show a net change in Timothy W. Boothe’s WAL shareholdings?

The transaction summary shows netBuySellShares of 0, indicating no net change in reported common shares from these transactions. RSU-related acquisitions at $0.00 per share were fully offset by dispositions of the same number of shares to the issuer at $82.32 per share.

What indirect WAL shareholdings are reported for Timothy W. Boothe in this filing?

The filing lists an indirect holding of 325 WAL common shares attributed to "Alvina Boothe (spouse)." This entry is reported as indirect ownership and reflects shares held by his spouse, rather than a new transaction on the reporting date.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/18/2026 - 04:28 PM Accepted by SEC EDGAR 08/18/2026 - 04:27 PM 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^*

Boothe Timothy W

(Last) (First) (Middle)

ONE E. WASHINGTON ST., 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 Administration Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2026

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	08/15/2026		M		97(1)	A	$0(2)	65,514	D
Common Stock	08/15/2026		D		97	D	$82.32	65,417	D
Common Stock	08/15/2026		M		69(3)	A	$0(2)	65,486	D
Common Stock	08/15/2026		D		69	D	$82.32	65,417	D
Common Stock	08/15/2026		M		69(4)	A	$0(2)	65,486	D
Common Stock	08/15/2026		D		69	D	$82.32	65,417	D
Common Stock								325	I	Alvina Boothe (spouse)

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)	08/15/2026		M			97	(1)	(1)	Common Stock	97	(2)	585	D
Cash Settled Restricted Stock Units	(2)	08/15/2026		M			69	(3)	(3)	Common Stock	69	(2)	1,241	D
Cash Settled Restricted Stock Units	(2)	08/15/2026		M			69	(4)	(4)	Common Stock	69	(2)	2,055	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.

Remarks:

	/s/Jessica Jarvi (Attorney-in-fact)	08/18/2026
	** 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)