Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Martin Derek 2. Issuer Name and Ticker or Trading Symbol BOK FINANCIAL CORP [BOKF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, Chief Information Officer (Last) (First) (Middle) C/O FREDERIC DORWART, LAWYERS PLLC, 124 EAST FOURTH STREET 3. Date of Earliest Transaction (Month/Day/Year) 01/13/2026 (Street) TULSA, OK 74103 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 01/13/2026 F 109.806 D $122.64 16,859.666(1) D Common Stock 01/13/2026 D 945.194 D (2) 15,914.472 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Phantom Stock

(3)

01/13/2026

A

945.194

(4)

(4)

Common Stock

945.194

(2)

7,330.8529(5)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Martin Derek C/O FREDERIC DORWART, LAWYERS PLLC 124 EAST FOURTH STREET TULSA, OK 74103			EVP, Chief Information Officer

Signatures

Tamara R. Sloan, Power of Attorney		01/15/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Includes 114.35 shares of BOKF common stock acquired under a BOKF dividend reinvestment plan since the date of the reporting person's last ownership report.
(2)	Prior to issuance, the reporting person elected to defer receipt of 1,055 shares of phantom stock (restricted stock units) issued on February 28, 2023; which such phantom stock vested on January 13, 2026. On vesting, 109.806 shares of the phantom stock were disposed of to pay the taxes on vesting. The remaining 945.194 shares of phantom stock remain held by the reporting person as a derivative security.
(3)	Each share of phantom stock represents a right to receive one share of common stock, or at the Company's election, the cash value thereof.
(4)	The phantom stock becomes payable upon the reporting person's termination of employment with the Company.
(5)	Includes 359.6526 shares of BOKF phantom stock acquired under a BOKF dividend reinvestment plan since the date of the reporting person's last ownership report.

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