“accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of theExchange Act.☐Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒ TABLE OF CONTENTS PART I - FINANCIAL INFORMATION Item1.Financial StatementsConsolidated Statements of IncomeConsolidated Statements of Comprehensive IncomeConsolidated Balance SheetsConsolidated Statements of Changes in Stockholders’ EquityConsolidated Statements of Cash FlowsNotes to Consolidated Financial StatementsNote 1—Summary of Significant Accounting PoliciesNote 2—Business CombinationsNote 3—Investment SecuritiesNote4—LoansNote5—Allowance for Credit Losses and Reserve for Unfunded Lending CommitmentsNote6—Variable Interest Entities and SecuritizationsNote 7—Goodwill and Other Intangible AssetsNote8—Deposits and BorrowingsNote 9—Derivative Instruments and Hedging ActivitiesNote 10—Stockholders’ EquityNote 11—Earnings Per Common ShareNote12—Fair Value MeasurementNote13—Business Segments and Revenue from Contracts with CustomersNote 14—Commitments, Contingencies, Guarantees and Others Item 3.Quantitative and Qualitative Disclosures about Market RiskItem4.Controls and Procedures Item1.Legal ProceedingsItem 1A.Risk FactorsItem 2.Unregistered Sales of Equity Securities and Use of ProceedsItem3.Defaults Upon Senior SecuritiesItem4.Mine Safety DisclosuresItem5.Other InformationItem6.Exhibits EXHIBIT INDEXSIGNATURES MD&A Tables: 1Consolidated Financial Highlights2Average Balances, Net Interest Income and Net Interest Margin3Rate/Volume Analysis of Net Interest Income4Non-Interest Income5Non-Interest Expense6Loans Held for Investment7Funding Sources Composition8Business Segment Results9Credit Card Business Results9.1Domestic Card Business Results10Consumer Banking Business Results11Commercial Banking Business Results12Other Category Results13Capital Ratios Under Basel III14Regulatory Risk-Based Capital Components and Regulatory Capital Metrics15Preferred Stock Dividends Paid Per Share16Domestic Credit Card Loan Portfolio by Geographic Region17Auto Loan Portfolio by Geographic Region18Commercial Real Estate Loan Portfolio by Region19Commercial Loans by Industry20Credit Score Distribution2130+ Day Delinquencies22Aging and Geography of 30+ Day Delinquent Loans2390+ Day Delinquent Loans Accruing Interest24Nonperforming Loans and Other Nonperforming Assets25Net Charge-Offs (Recoveries)26Allowance for Credit Losses and Reserve for Unfunded Lending Commitments Activity27Liquidity Reserves28Deposits Composition and Average Deposits Interest Rates29Long-Term Debt Funding Activities30Senior Unsecured Long-Term Debt Credit Ratings31Interest Rate Sensitivity Analysis Supplemental Table:AReconciliation of Non-GAAP Measures PART I—FINANCIAL INFORMATION This discussion contains forward-looking statements that are based upon management’s current expectations and are subject to significant uncertainties and changes in circumstances.Please review “Forward-Looking Statements” for more information on the forward-looking statements in this Quarterly Report on Form 10-Q (“this Report”). All statements that addressoperating performance, events or developments that we expect or anticipate will occur in the future are forward-looking statements. Our actual results may differ materially from thoseincluded in these forward-looking statements due to a variety of factors including, but not limited to, those described in “Part I—Item 1A. Risk Factors” in our 2025 Annual Report on Form10-K (“2025 Form 10-K”) and “Part II—Item 1A. Risk Factors” in this Report. Unless otherwise specified, references to notes to our consolidated financial statements refer to the notes toour consolidated financial statements as of June 30, 2026 included in this Report. Management monitors a variety of key indicators to evaluate our business results and financial condition. The following MD&A is provided as a supplement to, and should be read inconjunction with, our consolidated financial statements and related notes in this Report and the more detailed information contained in our 2025 Form 10-K. INTRODUCTION Capital One Financial Corporation, a Delaware corporation established in 1994 and headquartered in McLean, Virginia, is a diversified financial services holding company with banking andnon-banking subsidiaries. Capital One Financial Corporation and its subsidiaries (the “Company” or “Capital One”) operate as a global payments provider and diversified financialinstitution, delivering a broad array of financial products and services to consumers, small businesses and commercial clients through digital channels, branch locations, cafés and otherdistribution channels.