CURLEY STEPHEN RUSSELL (Chief Banking Ofc.-NBL) received a stock award from WESTERN ALLIANCE BANCORPORATION

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

CURLEY STEPHEN RUSSELL

Filed: 2/18/2026ACC: 0001628280-26-009118

InsiderCURLEY STEPHEN RUSSELLCIK 1441890

→

IssuerWESTERN ALLIANCE BANCORPORATIONCIK 1212545

Officer· Chief Banking Ofc.-NBL

Since Feb 2026

+2.06K

Net shares

Net buyer

$149.9K

Total sold

Open market trades

0B · 0S

Total transactions

3.96K acquired · 1.90K disposed

Non-Derivative Transactions6

Common Stock

Direct

A · Award

+3.67K

Price / share

—

Trade value

—

% of position

9.4%

2/15/2026

39.18K→42.84K

Common Stock

Direct

F · Tax Withholding

−1.31K

Price / share

$93.20

Trade value

$122.46K

% of position

3.1%

2/15/2026

42.84K→41.53K

Common Stock

Direct

M · Option Exercise

+165.00

Price / share

—

Trade value

—

% of position

0.4%

2/15/2026

41.53K→41.70K

Common Stock

Direct

D · Disposition

−165.00

Price / share

$93.20

Trade value

$15.38K

% of position

0.4%

2/15/2026

41.70K→41.53K

Common Stock

Direct

M · Option Exercise

+129.00

Price / share

—

Trade value

—

% of position

0.3%

2/15/2026

41.53K→41.66K

Common Stock

Direct

D · Disposition

−129.00

Price / share

$93.20

Trade value

$12.02K

% of position

0.3%

2/15/2026

41.66K→41.53K

Total

Net shares

+2.35K

Net value

-$149.87K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/15/2026	A · Award	+3.67K	—	—	9.4%	39.18K	42.84K
Common Stock Direct	2/15/2026	F · Tax Withholding	−1.31K	$93.20	$122.46K	3.1%	42.84K	41.53K
Common Stock Direct	2/15/2026	M · Option Exercise	+165.00	—	—	0.4%	41.53K	41.70K
Common Stock Direct	2/15/2026	D · Disposition	−165.00	$93.20	$15.38K	0.4%	41.70K	41.53K
Common Stock Direct	2/15/2026	M · Option Exercise	+129.00	—	—	0.3%	41.53K	41.66K
Common Stock Direct	2/15/2026	D · Disposition	−129.00	$93.20	$12.02K	0.3%	41.66K	41.53K
Total			+2.35K		-$149.87K

Derivative Transactions2

Cash Settled Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

165.00 shares

−165.00

Strike price

Held after

1.99K

Exercisable

—

2/15/2026

Cash Settled Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

129.00 shares

−129.00

Strike price

Held after

3.09K

Exercisable

—

2/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Cash Settled Restricted Stock Units Direct	Common Stock165.00 shares	2/15/2026	M · Option Exercise	−165.00		—	1.99K
Cash Settled Restricted Stock Units Direct	Common Stock129.00 shares	2/15/2026	M · Option Exercise	−129.00		—	3.09K