Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
NELL STEVEN E
 2. Issuer Name and Ticker or Trading Symbol
BOK FINANCIAL CORP ET AL [BOKF] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, CFO
(Last)
(First)
(Middle)

C/O FREDERIC DORWART, 124 E FOURTH STREET		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2017
(Street)


TULSA, OK 74103		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(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 at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock 02/28/2017   G 20 D $ 82.46 61,200 D  
Common Stock 12/18/2017   J(1) 5,922 D $ 91.18 55,278 D  
Common Stock 12/18/2017   J(1) 4,387 A $ 91.18 4,387 I Charitable Remainder Trust of Steven Earl Nell and Malisa Ann Nell
Common Stock 12/18/2017   J(1) 307 A $ 91.18 307 I Forrest Robert Nell Irrevocable Trust of 2016
Common Stock 12/18/2017   J(1) 307 A $ 91.18 307 I Emma Eleanor Nell Irrevocable Trust of 2016
Common Stock 12/18/2017   J(1) 307 A $ 91.18 307 I Stefani Grace Nell Irrevocable Trust of 2016
Common Stock 12/18/2017   J(1) 307 A $ 91.18 307 I Sara Rose Nell Irrevocable Trust of 2016
Common Stock 12/18/2017   J(1) 307 A $ 91.18 307 I Natalie Ann Nell Irrevocable Trust of 2016
Common Stock 12/18/2017   G 310 D $ 91.18 54,968 D  
Common Stock 12/18/2017   S4 2,157 D $ 92.45 52,811 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 2270 (9-02)

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 at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
NELL STEVEN E
C/O FREDERIC DORWART
124 E FOURTH STREET
TULSA, OK 74103		       EVP, CFO  

Signatures

/s/ Frederic Dorwart, Power of Attorney 02/14/2018
**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) Mr. Nell transferred 5,922 shares from shares directly held to Charitable Remainder Trust of Steven Earl Nell and Malisa Ann Nell, Forrest Robert Nell Irrevocable Trust of 2016, Emma Eleanor Nell Irrevocable Trust of 2016, Stefani Grace Nell Irrevocable Trust of 2016, Sara Rose Nell Irrevocable Trust of 2016, and Natalie Ann Nell Irrevocable Trust of 2016.

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