WESTERN ALLIANCE BANCORPORATION

For the period ended Sep 30, 2025. Filed Nov 3, 2025.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 3, 2025

WAL$75.55-0.4%Stored close · as of Nov 6, 2026

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Contents

Glossary of Entities and Terms

The acronyms and abbreviations identified below are used in various sections of this Form 10-Q, including the Consolidated Financial Statements and the Notes to Unaudited Consolidated Financial Statements in Item 1 and "Management's Discussion and Analysis of Financial Condition and Results of Operations," in Item 2 of this Form 10-Q.

ENTITIES / DIVISIONS:
ABA	Alliance Bank of Arizona	FIB	First Independent Bank
AmeriHome	AmeriHome Mortgage Company, LLC	LVSP	Las Vegas Sunset Properties
BON	Bank of Nevada	TPB	Torrey Pines Bank
Bridge	Bridge Bank	WA PWI	Western Alliance Public Welfare Investments, LLC
BW or REIT	BW Real Estate Inc. or Real Estate Investment Trust	WAB or Bank	Western Alliance Bank
Company	Western Alliance Bancorporation and subsidiaries	WABT	Western Alliance Business Trust
CSI	CS Insurance Company	WAL or Parent	Western Alliance Bancorporation
DST	Digital Settlement Technologies LLC	WATC	Western Alliance Trust Company, N.A.
TERMS:
ACL	Allowance for Credit Losses	FOMC	Federal Open Market Committee
AFS	Available-for-Sale	FRB	Federal Reserve Bank
ALCO	Asset and Liability Management Committee	FVO	Fair Value Option
AOCI	Accumulated Other Comprehensive Income	GAAP	U.S. Generally Accepted Accounting Principles
ASC	Accounting Standards Codification	GNMA	Government National Mortgage Association
ASU	Accounting Standards Update	GSE	Government-Sponsored Enterprise
Basel III	Banking Supervision's December 2010 Final Capital Framework	HFI	Held-for-Investment
BOD	Board of Directors	HFS	Held-for-Sale
Capital Rules	The FRB, the OCC, and the FDIC 2013 Approved Final Rules	HTM	Held-to-Maturity
CDARS	Certificate Deposit Account Registry Service	HUD	U.S. Department of Housing and Urban Development
CECL	Current Expected Credit Losses	ICS	Insured Cash Sweep Service
CEO	Chief Executive Officer	IRLC	Interest Rate Lock Commitment
CET1	Common Equity Tier 1	ISDA	International Swaps and Derivatives Association
CFO	Chief Financial Officer	LIHTC	Low-Income Housing Tax Credit
CLO	Collateralized Loan Obligation	MBS	Mortgage-Backed Securities
CRA	Community Reinvestment Act	MSR	Mortgage Servicing Right
CRE	Commercial Real Estate	NDFI	Non-Depository Financial Institution
DTA	Deferred Tax Asset	NPV	Net Present Value
DTL	Deferred Tax Liability	OCI	Other Comprehensive Income
EaR	Earnings-at-Risk	PPNR	Pre-Provision Net Revenue
EBO	Early Buyout	SEC	Securities and Exchange Commission
ECR	Earnings Credit Rates	SERP	Supplemental Executive Retirement Plan
EPS	Earnings per Share	SOFR	Secured Overnight Financing Rate
EVE	Economic Value of Equity	TEB	Tax Equivalent Basis
Exchange Act	Securities Exchange Act of 1934, as Amended	TSR	Total Shareholder Return
FASB	Financial Accounting Standards Board	UPB	Unpaid Principal Balance
FDIC	Federal Deposit Insurance Corporation	USDA	United States Department of Agriculture
FHA	Federal Housing Administration	VA	Veterans Affairs
FHLB	Federal Home Loan Bank	VIE	Variable Interest Entity
FHLMC	Federal Home Loan Mortgage Corporation	XBRL	eXtensible Business Reporting Language
FNMA	Federal National Mortgage Association

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.