Annual Statement of Changes in Beneficial Ownership (5)

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 [ X ] Form 4 Transactions Reported	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0362 Estimated average burden hours per response... 1.0
	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 * 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) __ X __ 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 (MM/DD/YYYY) 12/31/2018
(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)
				Amount	(A) or (D)	Price
Common Stock	12/18/2017		S4	4387	D	$92.5999   (1) (2)	0	I	Charitable Remainder Trust of Steven Earl Nell and Malisa Ann Nell
Common Stock	12/18/2017		S4	307	D	$92.6803	0	I	Forrest Robert Nell Irrevocable Trust of 2016
Common Stock	12/18/2017		S4	307	D	$92.775	0	I	Emma Eleanor Nell Irrevocable Trust of 2016
Common Stock	12/18/2017		S4	307	D	$92.6803	0	I	Stefani Grace Nell Irrevocable Trust of 2016
Common Stock	12/18/2017		S4	307	D	$92.645	0	I	Sara Rose Nell Irrevocable Trust of 2016
Common Stock	12/18/2017		S4	307	D	$92.639	0	I	Natalie Ann Nell Irrevocable Trust of 2016
Common Stock	12/31/2018		A	34.7	A	$0	34.7	I	by 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. 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 Date (MM/DD/YYYY)		7. 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 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

Explanation of Responses:
(1)	The reporting person undertakes to provide to BOK Financial Corporation, any security holder of BOK Financial Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 5.
(2)	The price reported in Column 4 is a weighted price. The shares were sold in multiple transactions at prices ranging from $92.57 to 92.73, inclusive.

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	X		EVP, CFO

Signatures
/s/ Frederic Dorwart, Power of Attorney		2/14/2019
** Signature of Reporting Person		Date

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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