UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

October 20, 2025

Commission File No. 001-37811

BOK FINANCIAL CORP

(Exact name of registrant as specified in its charter)


Oklahoma		73-1373454
(State or other jurisdiction of Incorporation or Organization)		(IRS Employer Identification No.)

Bank of Oklahoma Tower
Boston Avenue at Second Street
Tulsa,	Oklahoma	74192
(Address of Principal Executive Offices)		(Zip Code)

(918) 588-6000

(Registrant’s telephone number, including area code)

N/A

__________________________________________

(Former name or former address, if changes since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425).

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12).

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)).

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)).

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol

Name of each exchange on which registered

Common Stock, par value $0.00006 per share

BOKF

Nasdaq Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

☐ 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. ¨

INFORMATION TO BE INCLUDED IN THE REPORT

ITEM 2.02. Results of Operations and Financial Condition.

On October 20, 2025, BOK Financial Corporation (“BOK Financial”) issued a press release announcing its financial results for the three and nine months ended September 30, 2025 (“Press Release”). The full text of the Press Release is attached as Exhibit 99.1(a) to this report and is incorporated herein by reference. On October 20, 2025, in connection with the issuance of the Press Release, BOK Financial released financial information related to the three and nine months ended September 30, 2025 (“Financial Information”), which includes certain historical financial information relating to BOK Financial. The Financial Information is attached as Exhibit 99.1(b) to this report and is incorporated herein by reference.

ITEM 7.01. Regulation FD Disclosure.

On October 20, 2025, in connection with the issuance of the Press Release, BOK Financial released financial information related to the three and nine months ended September 30, 2025 (“Financial Information”), which includes certain historical financial information relating to BOK Financial. The Financial Information is attached as Exhibit 99.2(a) to this report and is incorporated herein by reference.

ITEM 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1 Text of Press Release, dated October 2 0 , 2025, titled "BOK Financial Corporation reports quarterly earnings of $14 1 million, or $2.22 per share, in the third quarter" and Financial Information for the Three and Nine Months Ended September 30, 2025.

99.2 Earnings conference call presentation, dated October 21 , 2025, titled “Q 3 Earnings Conference Call" for the Three and Nine Months Ended September 30, 2025.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

BOK FINANCIAL CORPORATION

By: /s/ Martin E. Grunst

Martin E. Grunst

Executive Vice President

Chief Financial Officer

Date: October 20, 2025

BOK FINANCIAL CORP 8-K