Mary Chris Jammet - 15 Jan 2026 Form 4 Insider Report for WESTERN ALLIANCE BANCORPORATION (WAL)

Role: Director
Signature: /s/Jessica Jarvi (Attorney-in-fact)
Issuer symbol: WAL
Transactions as of: 15 Jan 2026
Net transactions value: +$22,547
Form type: 4
Filing time: 20 Jan 2026, 16:13:03 UTC
Previous filing: 06 Feb 2026
Next filing: 09 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
JAMMET MARY CHRIS	Director	1 E. WASHINGTON STREET, SUITE 1400, PHOENIX	/s/Jessica Jarvi (Attorney-in-fact)	20 Jan 2026	0001599796

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WAL	Deferred Stock Units	Award	$22,547	+251		$89.83	251	15 Jan 2026	Common Stock	251		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents Deferred Stock Units credited under the Issuer's Director Deferral Plan in lieu of cash compensation otherwise payable on the transaction date. Deferred Stock Units are paid in shares of Common Stock Issued under the Issuer's Stock Incentive Plan after separation from service, with cash for any fractional units.
F2	Represents the closing price of the Issuer's Common Stock on the transaction date which was used to determine the number of Deferred Stock Units acquired on that date.