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WAL

WESTERN ALLIANCE BANCORPORATION

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Tapewire entity
3616
SEC CIK
0001212545
Parsed reports
912

Last 12 months

Inside the activity.

0 purchase rows · 9 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202505
Jan 202600
Feb 202601
Mar 202600
Apr 202600
May 202600
Jun 202603
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 64 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · derivative · entry 9

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,857

Underlying: Common Stock · 64 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 53 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · derivative · entry 8

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 896

Underlying: Common Stock · 53 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 72 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · derivative · entry 7

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 357

Underlying: Common Stock · 72 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Disposition to issuerCommon Stock 64 $79.03 $5,057.92
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · nonDerivative · entry 6

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,575

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Exercise / conversionCommon Stock 64 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · nonDerivative · entry 5

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,639

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Disposition to issuerCommon Stock 53 $79.03 $4,188.59
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · nonDerivative · entry 4

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,575

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Exercise / conversionCommon Stock 53 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · nonDerivative · entry 3

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,628

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Disposition to issuerCommon Stock 72 $79.03 $5,690.16
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · nonDerivative · entry 2

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,575

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Nachlas EmilyChief Risk Officer
Exercise / conversionCommon Stock 72 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062574 · wk-form4_1789678941.xml · nonDerivative · entry 1

Nachlas Emily · CIK 0001946843 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,647

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Exercise / conversionCash Settled Restricted Stock Units · Derivative 142 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · derivative · entry 9

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,109

Underlying: Common Stock · 142 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Exercise / conversionCash Settled Restricted Stock Units · Derivative 115 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · derivative · entry 8

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,953

Underlying: Common Stock · 115 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Exercise / conversionCash Settled Restricted Stock Units · Derivative 158 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · derivative · entry 7

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 797

Underlying: Common Stock · 158 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Disposition to issuerCommon Stock 142 $79.03 $11,222.26
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · nonDerivative · entry 6

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,068

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Exercise / conversionCommon Stock 142 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · nonDerivative · entry 5

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,210

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Disposition to issuerCommon Stock 115 $79.03 $9,088.45
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · nonDerivative · entry 4

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,068

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Exercise / conversionCommon Stock 115 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · nonDerivative · entry 3

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,183

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Disposition to issuerCommon Stock 158 $79.03 $12,486.74
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · nonDerivative · entry 2

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,068

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Bruckner Tim RCBO for Regional Banking
Exercise / conversionCommon Stock 158 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062571 · wk-form4_1789678924.xml · nonDerivative · entry 1

Bruckner Tim R · CIK 0001771957 · CBO for Regional Banking

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,226

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 69 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · derivative · entry 10

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,986

Underlying: Common Stock · 69 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 69 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · derivative · entry 9

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,172

Underlying: Common Stock · 69 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 97 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · derivative · entry 8

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 488

Underlying: Common Stock · 97 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Disposition to issuerCommon Stock 69 $79.03 $5,453.07
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · nonDerivative · entry 6

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,417

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Exercise / conversionCommon Stock 69 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · nonDerivative · entry 5

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,486

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Disposition to issuerCommon Stock 69 $79.03 $5,453.07
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · nonDerivative · entry 4

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,417

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Exercise / conversionCommon Stock 69 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · nonDerivative · entry 3

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,486

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Disposition to issuerCommon Stock 97 $79.03 $7,665.91
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · nonDerivative · entry 2

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,417

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Boothe Timothy WChief Administration Officer
Exercise / conversionCommon Stock 97 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062572 · wk-form4_1789678930.xml · nonDerivative · entry 1

Boothe Timothy W · CIK 0001364140 · Chief Administration Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,514

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 82 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · derivative · entry 10

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,389

Underlying: Common Stock · 82 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 74 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · derivative · entry 9

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,243

Underlying: Common Stock · 74 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 101 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · derivative · entry 8

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 493

Underlying: Common Stock · 101 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Disposition to issuerCommon Stock 82 $79.03 $6,480.46
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · nonDerivative · entry 6

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,332

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Exercise / conversionCommon Stock 82 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · nonDerivative · entry 5

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,414

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Disposition to issuerCommon Stock 74 $79.03 $5,848.22
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · nonDerivative · entry 4

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,332

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Exercise / conversionCommon Stock 74 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · nonDerivative · entry 3

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,406

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Disposition to issuerCommon Stock 101 $79.03 $7,982.03
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · nonDerivative · entry 2

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,332

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Kennedy BarbaraChief Human Resources Officer
Exercise / conversionCommon Stock 101 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062573 · wk-form4_1789678936.xml · nonDerivative · entry 1

Kennedy Barbara · CIK 0001379831 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,433

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 27 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · derivative · entry 9

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 798

Underlying: Common Stock · 27 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F4 · derivative.exercise_date: 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

F4 · derivative.expiration_date: 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

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 22 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · derivative · entry 8

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376

Underlying: Common Stock · 22 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Exercise / conversionCash Settled Restricted Stock Units · Derivative 35 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · derivative · entry 7

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157

Underlying: Common Stock · 35 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Disposition to issuerCommon Stock 27 $79.03 $2,133.81
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · nonDerivative · entry 6

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,880

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Exercise / conversionCommon Stock 27 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · nonDerivative · entry 5

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,907

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · shares: 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

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Disposition to issuerCommon Stock 22 $79.03 $1,738.66
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · nonDerivative · entry 4

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,880

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Exercise / conversionCommon Stock 22 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · nonDerivative · entry 3

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,902

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Disposition to issuerCommon Stock 35 $79.03 $2,766.05
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · nonDerivative · entry 2

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,880

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:01 UTC
Herndon LynneChief Credit Officer
Exercise / conversionCommon Stock 35 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062569 · wk-form4_1789678912.xml · nonDerivative · entry 1

Herndon Lynne · CIK 0002007542 · Chief Credit Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,915

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Jarvi Jessica HCLO & Secretary
Exercise / conversionCash Settled Restricted Stock Units · Derivative 64 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062570 · wk-form4_1789678918.xml · derivative · entry 10

Jarvi Jessica H · CIK 0001981756 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,857

Underlying: Common Stock · 64 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F4 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Jarvi Jessica HCLO & Secretary
Exercise / conversionCash Settled Restricted Stock Units · Derivative 46 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062570 · wk-form4_1789678918.xml · derivative · entry 9

Jarvi Jessica H · CIK 0001981756 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 781

Underlying: Common Stock · 46 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F3 · derivative.exercise_date: 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.

F3 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Jarvi Jessica HCLO & Secretary
Exercise / conversionCash Settled Restricted Stock Units · Derivative 58 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-062570 · wk-form4_1789678918.xml · derivative · entry 8

Jarvi Jessica H · CIK 0001981756 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 273

Underlying: Common Stock · 58 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Jarvi Jessica HCLO & Secretary
Disposition to issuerCommon Stock 64 $79.03 $5,057.92
Disclosure

SEC source: 0001628280-26-062570 · wk-form4_1789678918.xml · nonDerivative · entry 6

Jarvi Jessica H · CIK 0001981756 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,707

Read SEC document
September 15, 2026 Filed Sep 17, 2026 21:02 UTC
Jarvi Jessica HCLO & Secretary
Exercise / conversionCommon Stock 64 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-062570 · wk-form4_1789678918.xml · nonDerivative · entry 5

Jarvi Jessica H · CIK 0001981756 · CLO & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,771

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · shares: 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.

F2 · price: Each unit is the economic equivalent of one share of Western Alliance Bancorporation common stock.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.