FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Grunst Martin E
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 Risk Officer
(Last)          (First)          (Middle)

C/O FREDERIC DORWART, LAWYERS PLLC, 124 EAST FOURTH STREET
3. Date of Earliest Transaction (MM/DD/YYYY)

2/28/2023
(Street)

TULSA, OK 74103
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 2/28/2023  D  3519 (1)D$0 23954 D  
Common Stock 3/1/2023  A  5643 (2)A$0 29597 D  

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Phantom Stock  (3)           (4) (4)Common Stock 7847.4679  7847.4679 (5)(6)D  

Explanation of Responses:
(1) Represents forfeiture of unvested restricted stock based upon performance goals established pursuant to the BOKF Executive Incentive Plan for restricted stock awards made in 2020.
(2) Represents restricted stock which vests on January 13, 2026. Shares are subject to forfeiture (i) upon termination of employment prior to vesting, and (ii) if certain performance earnings per share targets established pursuant to BOKF Executive Incentive Plan are not met.
(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) Previous reports included an immaterial administrative error under reporting 2.47 shares of Phantom Stock.
(6) Includes 118.26 shares of Phantom Stock acquired through a BOK Financial Corporation dividend reinvestment plan in which Mr. Grunst is a participant.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Grunst Martin E
C/O FREDERIC DORWART, LAWYERS PLLC
124 EAST FOURTH STREET
TULSA, OK 74103


EVP, Chief Risk Officer

Signatures
/s/ Tamara Wagman, Power of Attorney3/2/2023
**Signature of Reporting PersonDate


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*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).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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