SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Harlow David R

(Last)

(First)

(Middle)

101 N BROADWAY

(Street)

OKLAHOMA CITY

73102

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
BANCFIRST CORP /OK/ [ BANF ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Regional Executive

3. Date of Earliest Transaction (Month/Day/Year)
08/02/2006

4. If Amendment, Date of 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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/02/2006		M		5,810	A	$15.25	5,810	D
Common Stock	08/02/2006		S		511	D	$48.59	5,299	D
Common Stock	08/02/2006		S		100	D	$48.57	5,199	D
Common Stock	08/02/2006		S		100	D	$48.56	5,099	D
Common Stock	08/02/2006		S		200	D	$48.38	4,899	D
Common Stock	08/02/2006		S		500	D	$48.37	4,399	D
Common Stock	08/02/2006		S		300	D	$48.32	4,099	D
Common Stock	08/02/2006		S		100	D	$48.31	3,999	D
Common Stock	08/02/2006		S		900	D	$48.3	3,099	D
Common Stock	08/02/2006		S		200	D	$48.29	2,899	D
Common Stock	08/02/2006		S		400	D	$48.2	2,499	D
Common Stock	08/02/2006		S		200	D	$48.19	2,299	D
Common Stock	08/02/2006		S		200	D	$48.11	2,099	D
Common Stock	08/02/2006		S		2,099	D	$48	0	D
Common Stock	08/03/2006		M		9,190	A	$15.25	9,190	D
Common Stock	08/03/2006		S		1,000	D	$47.982	8,190	D
Common Stock	08/03/2006		S		1,000	D	$47.958	7,190	D
Common Stock	08/03/2006		S		100	D	$47.904	7,090	D
Common Stock	08/03/2006		S		1,000	D	$47.943	6,090	D
Common Stock	08/03/2006		S		1,000	D	$47.889	5,090	D
Common Stock	08/03/2006		S		1,000	D	$47.801	4,090	D
Common Stock	08/03/2006		S		1,862	D	$47.8	2,228	D
Common Stock	08/03/2006		S		2,228	D	$48	0	D
Common Stock								1,111.428	I	ESOP

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 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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non-Qualified Stock Option	$15.25	08/02/2006		M			511	10/05/2003	10/05/2014	Common Stock	511	$48.59	19,489	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			100	10/05/2003	10/05/2014	Common Stock	100	$48.57	19,389	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			100	10/05/2003	10/05/2014	Common Stock	100	$48.56	19,289	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			200	10/05/2003	10/05/2014	Common Stock	200	$48.38	19,089	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			500	10/05/2003	10/05/2014	Common Stock	500	$48.37	18,589	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			300	10/05/2003	10/05/2014	Common Stock	300	$48.32	18,289	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			100	10/05/2003	10/05/2014	Common Stock	100	$48.31	18,189	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			900	10/05/2003	10/05/2014	Common Stock	900	$48.3	17,289	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			200	10/05/2003	10/05/2014	Common Stock	200	$48.29	17,089	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			400	10/05/2003	10/05/2014	Common Stock	400	$48.2	16,689	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			200	10/05/2003	10/05/2014	Common Stock	200	$48.19	16,489	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			200	10/05/2003	10/05/2014	Common Stock	200	$48.11	16.289	D
Non-Qualified Stock Option	$15.25	08/02/2006		M			2,099	10/05/2003	10/05/2014	Common Stock	2,099	$48	14,190	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			1,000	10/05/2003	10/05/2014	Common Stock	1,000	$47.982	13,190	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			1,000	10/05/2003	10/05/2014	Common Stock	1,000	$47.958	12,190	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			100	10/05/2003	10/05/2014	Common Stock	100	$47.904	12,090	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			1,000	10/05/2003	10/05/2014	Common Stock	1,000	$47.943	11,090	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			1,000	10/05/2003	10/05/2014	Common Stock	1,000	$47.889	10,090	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			1,000	10/05/2003	10/05/2014	Common Stock	1,000	$47.801	9,090	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			1,862	10/05/2003	10/05/2014	Common Stock	1,862	$47.8	7,229	D
Non-Qualified Stock Option	$15.25	08/03/2006		M			2,228	10/05/2003	10/05/2014	Common Stock	2,228	$48	5,000	D

Explanation of Responses:

	By: Randy Foraker For: David Harlow	08/04/2006
	** 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.
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 Number.