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BOK FINANCIAL CORP

For the period ended Mar 31, 2026. Filed May 6, 2026.

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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.

Mar 31, 2026 · Filed May 6, 2026

BOKF$129.48-0.4%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2026

OR

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _____________ to ______________

Commission File No.001-37811

BOK FINANCIAL CORP

(Exact name of registrant as specified in its charter)

Oklahoma73-1373454
(State or other jurisdictionof Incorporation or Organization)(IRS EmployerIdentification No.)
Bank of Oklahoma Tower
Boston Avenue at Second Street
Tulsa,Oklahoma74172
(Address of Principal Executive Offices)(Zip Code)

(918)588-6000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading SymbolName of each exchange on which registered
Common Stock, par value $0.00006 per shareBOKFNasdaq Stock Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ý No¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer ý Accelerated filer¨

Non-accelerated filer¨ Smaller reporting company☐

Emerging growth company☐

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 the Exchange Act.¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐ Noý

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date:60,759,992 shares of common stock ($.00006 par value) as of March 31, 2026.

BOK Financial Corporation

Form 10-Q

Quarter Ended March 31, 2026

Index

Glossary of Defined Terms1
Part I. Financial Information
Management's Discussion and Analysis of Financial Condition and Results of Operations (Item 2)2
Market Risk (Item 3)37
Controls and Procedures (Item 4)41
Consolidated Financial Statements – Unaudited (Item 1)42
Quarterly Financial Summary – Unaudited (Item 2)87
Quarterly Earnings Trends – Unaudited90
Part II. Other Information
Item 1. Legal Proceedings91
Item 1A. Risk Factors91
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds91
Item 5. Other Information91
Item 6. Exhibits92
Signatures93

GLOSSARY OF DEFINED TERMS

The following items may be used throughout this report, including the consolidated financial statements and related notes.

TermDefinition
AFSAvailable-For-Sale
AIArtificial Intelligence
AOCIAccumulated Other Comprehensive Income
ASCAccounting Standards Codification
ASRAccelerated Share Repurchase
ASUAccounting Standards Update
ATMAutomated Teller Machine
BoardBoard of Directors of BOK Financial Corporation
BOK FinancialBOK Financial Corporation
BOKFBOK Financial Corporation
CECLCurrent Expected Credit Losses
CODMChief Operating Decision Maker
CompanyBOK Financial Corporation
EFTElectronic Funds Transfer
EPSEarnings Per Share
FASBFinancial Accounting Standards Board
FDICFederal Deposit Insurance Corporation
FHLBFederal Home Loan Bank
FTEFull Time Equivalent
GAAPGenerally Accepted Accounting Principles in the United States of America
GDPGross Domestic Product
GNMAGovernment National Mortgage Association
MMBtuMillion British Thermal Units
MPFMortgage Partnership Finance
MSRMortgage Servicing Rights
NasdaqNational Association of Securities Dealers Automated Quotations
PPNRPre-Provision Net Revenue
RMHFSResidential Mortgages Held for Sale
SECSecurities and Exchange Commission
SOFRSecured Overnight Financing Rate
SVaRStressed Value at Risk
VAU.S. Department of Veterans Affairs
VaRValue at Risk
WTIWest Texas Intermediate
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