BRUCKNER TIM R (EVP, Chief Credit Officer) exercised options at WESTERN ALLIANCE BANCORPORATION

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises

BRUCKNER TIM R

Filed: 9/17/2026ACC: 0001628280-26-062571

InsiderBRUCKNER TIM RCIK 1771957

→

IssuerWESTERN ALLIANCE BANCORPORATIONCIK 1212545

Officer· EVP, Chief Credit Officer

Since Apr 2019

-415.00

Net shares

Net seller

$32.8K

Total sold

Open market trades

0B · 0S

Total transactions

415.00 acquired · 830.00 disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+158.00

Price / share

—

Trade value

—

% of position

0.5%

9/15/2026

29.07K→29.23K

Common Stock

Direct

D · Disposition

−158.00

Price / share

$79.03

Trade value

$12.49K

% of position

0.5%

9/15/2026

29.23K→29.07K

Common Stock

Direct

M · Option Exercise

+115.00

Price / share

—

Trade value

—

% of position

0.4%

9/15/2026

29.07K→29.18K

Common Stock

Direct

D · Disposition

−115.00

Price / share

$79.03

Trade value

$9.09K

% of position

0.4%

9/15/2026

29.18K→29.07K

Common Stock

Direct

M · Option Exercise

+142.00

Price / share

—

Trade value

—

% of position

0.5%

9/15/2026

29.07K→29.21K

Common Stock

Direct

D · Disposition

−142.00

Price / share

$79.03

Trade value

$11.22K

% of position

0.5%

9/15/2026

29.21K→29.07K

Total

Net shares

+0.00

Net value

-$32.80K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/15/2026	M · Option Exercise	+158.00	—	—	0.5%	29.07K	29.23K
Common Stock Direct	9/15/2026	D · Disposition	−158.00	$79.03	$12.49K	0.5%	29.23K	29.07K
Common Stock Direct	9/15/2026	M · Option Exercise	+115.00	—	—	0.4%	29.07K	29.18K
Common Stock Direct	9/15/2026	D · Disposition	−115.00	$79.03	$9.09K	0.4%	29.18K	29.07K
Common Stock Direct	9/15/2026	M · Option Exercise	+142.00	—	—	0.5%	29.07K	29.21K
Common Stock Direct	9/15/2026	D · Disposition	−142.00	$79.03	$11.22K	0.5%	29.21K	29.07K
Total			+0.00		-$32.80K

Derivative Transactions3

Cash Settled Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

158.00 shares

−158.00

Strike price

Held after

797.00

Exercisable

—

9/15/2026

Cash Settled Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

115.00 shares

−115.00

Strike price

Held after

1.95K

Exercisable

—

9/15/2026

Cash Settled Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

142.00 shares

−142.00

Strike price

Held after

4.11K

Exercisable

—

9/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Cash Settled Restricted Stock Units Direct	Common Stock158.00 shares	9/15/2026	M · Option Exercise	−158.00	—	797.00
Cash Settled Restricted Stock Units Direct	Common Stock115.00 shares	9/15/2026	M · Option Exercise	−115.00	—	1.95K
Cash Settled Restricted Stock Units Direct	Common Stock142.00 shares	9/15/2026	M · Option Exercise	−142.00	—	4.11K