Western Alliance CAO reports RSU cash settlements

Western Alliance Bancorporation Chief Administration Officer Timothy W. Boothe reported multiple transactions on July 15, 2026 involving cash-settled restricted stock units tied to common stock.

Rhea-AI Filing Summary

Western Alliance Bancorporation Chief Administration Officer Timothy W. Boothe reported multiple transactions on July 15, 2026 involving cash-settled restricted stock units tied to common stock. He exercised derivative awards covering 235 units, each the economic equivalent of one share, with corresponding common shares acquired at $0 and returned to the issuer at $81.79 per share in issuer dispositions. After these transactions he held 65,417 common shares directly and 325 shares indirectly through his spouse, along with cash-settled RSU positions of 2,124, 1,310 and 682 units under three awards that vest 1/36 each month from March 2024 through February 2029.

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	$81.79	$8K
Exercise	Common Stock F3, F2	69	$0.00	$0.00
Disposition	Common Stock	69	$81.79	$6K
Exercise	Common Stock F4, F2	69	$0.00	$0.00
Disposition	Common Stock	69	$81.79	$6K
holding	Common Stock	--	--	--

Holdings After Transaction: Cash Settled Restricted Stock Units — 4,116 contracts (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

Shares Disposed to Issuer: 69 shares at $81.79 Shares Disposed to Issuer: 97 shares at $81.79 Derivative Shares Exercised: 235 shares +5 more

8 metrics

Shares Disposed to Issuer 69 shares at $81.79 Common stock disposition-to-issuer transaction on 2026-07-15

Shares Disposed to Issuer 97 shares at $81.79 Common stock disposition-to-issuer transaction on 2026-07-15

Derivative Shares Exercised 235 shares Total underlying shares from derivative exercises (code M) on 2026-07-15

Direct Common Shares Held 65,417 shares Total Western Alliance common shares held directly after transactions

Indirect Common Shares Held 325 shares Common shares held indirectly through spouse after transactions

Cash-Settled RSUs Remaining Award 1 2,124 units Cash-settled RSUs vesting monthly March 2026 to February 2029

Cash-Settled RSUs Remaining Award 2 1,310 units Cash-settled RSUs vesting monthly March 2025 to February 2028

Cash-Settled RSUs Remaining Award 3 682 units Cash-settled RSUs vesting monthly March 2024 to February 2027

Key Terms

Cash Settled Restricted Stock Units, Disposition to issuer, economic equivalent, Chief Administration Officer, +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.

Disposition to issuer financial

"transaction_code_description: "Disposition to issuer""

economic equivalent financial

"Each unit is the economic equivalent of one share of Western Alliance"

Chief Administration Officer financial

"officer_title: "Chief Administration Officer""

derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

FAQ

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

What did Western Alliance (WAL) insider Timothy W. Boothe report on this Form 4?

Timothy W. Boothe reported multiple transactions on July 15, 2026 involving cash-settled restricted stock units linked to Western Alliance common stock, including 235 units exercised and related issuer dispositions of common shares at $81.79 per share.

How many Western Alliance (WAL) shares does Timothy W. Boothe hold after the reported transactions?

After the reported activity, Timothy W. Boothe held 65,417 Western Alliance common shares directly and an additional 325 shares indirectly through his spouse, as well as several outstanding positions in cash-settled RSUs that continue to vest monthly.

What RSU activity did Western Alliance (WAL) report for Timothy W. Boothe?

Boothe exercised derivative awards covering 235 cash-settled restricted stock units, each equal to one Western Alliance common share economically. These RSUs are payable solely in cash and vest 1/36 each month under three separate 36‑month schedules.

At what price were Western Alliance (WAL) shares disposed of in the Form 4 transactions?

Common shares tied to the RSU vestings were returned to the issuer at $81.79 per share in several disposition-to-issuer transactions, matching the price reported for 69-share and 97-share blocks on July 15, 2026.

What cash-settled RSU balances remain for Timothy W. Boothe at Western Alliance (WAL)?

Following the July 15, 2026 activity, Boothe retained cash-settled RSU positions of 2,124 units, 1,310 units and 682 units, each unit being the economic equivalent of one Western Alliance common share and vesting in monthly installments.

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

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Accepted by SEC EDGAR 07/17/2026 - 05:11 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)
07/15/2026

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	07/15/2026		M		97(1)	A	$0(2)	65,514	D
Common Stock	07/15/2026		D		97	D	$81.79	65,417	D
Common Stock	07/15/2026		M		69(3)	A	$0(2)	65,486	D
Common Stock	07/15/2026		D		69	D	$81.79	65,417	D
Common Stock	07/15/2026		M		69(4)	A	$0(2)	65,486	D
Common Stock	07/15/2026		D		69	D	$81.79	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)	07/15/2026		M			97	(1)	(1)	Common Stock	97	(2)	682	D
Cash Settled Restricted Stock Units	(2)	07/15/2026		M			69	(3)	(3)	Common Stock	69	(2)	1,310	D
Cash Settled Restricted Stock Units	(2)	07/15/2026		M			69	(4)	(4)	Common Stock	69	(2)	2,124	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)	07/17/2026
	** 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)