BANCFIRST CORP insider sells 3,000 shares

David E. Rainbolt, a director and 10% owner of BANCFIRST CORP, reported a sale of 3,000 shares of Common Stock on 2026-08-06 at 115 per share by the David and Kim Rainbolt Foundation, which now holds 8,506 shares.

Rhea-AI Filing Summary

David E. Rainbolt, a director and 10% owner of BANCFIRST CORP, reported a sale of 3,000 shares of Common Stock on 2026-08-06 at 115 per share by the David and Kim Rainbolt Foundation, which now holds 8,506 shares. Additional direct and indirect holdings are disclosed, including 10,000 shares held under a spouse’s revocable trust and interests in a personal trust and a partnership.

Insider Trade Summary

Net Seller: 3,000 shares

Net Sell 10 txns

Insider RAINBOLT DAVID E

Role Director, 10% Owner

Sold 3,000 shs ($345K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,000	$115.00	$345K
holding	Common Stock F1	--	--	--
holding	Common Stock F2	--	--	--
holding	Common Stock F3	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 8,506 shares (Indirect, David and Kim Rainbolt Foundation); Common Stock — 4,756,445 shares (Direct); Common Stock — 10,000 shares (Indirect, By Spouse-Kim)

Footnotes (3)

1. F1. Shares held in David E. Rainbolt Trust U/A Amended and Restated December 14, 2017
2. F2. Held under: Dana Kim Rainbolt Revocable Trust
3. F3. Shares held at BF Bank Partners, LP. David E. Rainbolt is General Partner

Key Figures

Shares sold: 3000.0000 shares Sale price: 115.0000 per share Foundation holdings after sale: 8506.0000 shares +1 more

4 metrics

Shares sold 3000.0000 shares Common Stock sale on 2026-08-06 reported by David E. Rainbolt

Sale price 115.0000 per share Price for the 3,000-share Common Stock sale on 2026-08-06

Foundation holdings after sale 8506.0000 shares Common Stock held by the David and Kim Rainbolt Foundation following the reported sale

Spouse trust holdings 10000.0000 shares Common Stock held under the Dana Kim Rainbolt Revocable Trust

Key Terms

Common Stock, Revocable Trust, General Partner

3 terms

Common Stock financial

"security_title: Common Stock for reported transactions"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Revocable Trust financial

"Held under: Dana Kim Rainbolt Revocable Trust"

A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.

General Partner financial

"Shares held at BF Bank Partners, LP. David E. Rainbolt is General Partner"

A general partner is the person or firm that runs an investment partnership and legally represents it — they make the day-to-day decisions, choose which assets to buy or sell, and are responsible for the partnership’s obligations. Investors care because the general partner’s judgment, risk-taking and fee and profit-sharing arrangements determine both the potential returns and the level of exposure to losses; think of the GP as the ship’s captain whose skill and honesty shape the voyage’s outcome.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction in BANF did David E. Rainbolt report?

David E. Rainbolt reported a sale of 3,000 BANCFIRST CORP Common Stock shares on 2026-08-06 at 115 per share, executed through the David and Kim Rainbolt Foundation, which is reported to hold 8,506 shares after the transaction.

At what price and on what date were BANF shares sold in this Form 4?

The Form 4 reports that 3,000 BANCFIRST CORP shares were sold on 2026-08-06 at a price of 115 per share. The transaction involved Common Stock held indirectly through the David and Kim Rainbolt Foundation.

How many BANF shares does the David and Kim Rainbolt Foundation hold after the sale?

After the reported sale, the David and Kim Rainbolt Foundation is shown holding 8,506 shares of BANCFIRST CORP Common Stock. These shares are reported as indirectly owned in connection with David E. Rainbolt’s beneficial ownership disclosures.

What BANF holdings are reported through David E. Rainbolt’s spouse?

The filing shows 10,000 shares of BANCFIRST CORP Common Stock held indirectly under the Dana Kim Rainbolt Revocable Trust. These shares are attributed as indirect ownership related to David E. Rainbolt via his spouse’s revocable trust.

Which other entities hold BANF shares related to David E. Rainbolt?

Disclosed entities include the David E. Rainbolt Trust U/A Amended and Restated December 14, 2017 and BF Bank Partners, LP, where David E. Rainbolt is General Partner. These indicate additional direct and indirect BANCFIRST CORP share holdings, though specific share counts are not all listed.

Is the reported BANF share sale under a Rule 10b5-1 trading plan?

The Form 4 data indicate the Rule 10b5-1 checkbox is not marked as affirming a trading plan for this transaction. No footnote describes the 3,000-share sale as executed pursuant to a pre-arranged Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 08/06/2026 - 05:37 PM EDT Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

RAINBOLT DAVID E

(Last) (First) (Middle)

100 N. BROADWAY AVE.

(Street)

OKLAHOMA CITY OKLAHOMA 73102

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/06/2026

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/06/2026		S		3,000	D	$115	8,506	I	David and Kim Rainbolt Foundation
Common Stock								73,395	D(1)
Common Stock								10,000	I	By Spouse-Kim(2)
Common Stock								4,040,777	D(3)
Common Stock								4,000	D
Common Stock								200,000	D
Common Stock								200,000	D
Common Stock								200,000	D
Common Stock								38,085	D
Common Stock								188	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares held in David E. Rainbolt Trust U/A Amended and Restated December 14, 2017

2. Held under: Dana Kim Rainbolt Revocable Trust

3. Shares held at BF Bank Partners, LP. David E. Rainbolt is General Partner

Remarks:

	/s/ By POA from David E Rainbolt	08/06/2026
	** 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.
* Form 4: SEC 1474 (03-26)