Trust changes shift how BancFirst (NASDAQ: BANF) director’s shares are reported

Rhea-AI Filing Summary

BancFirst Corp director updates indirect trust holdings in a Form 4 related to several trusts and a spousal account. The filing shows that 85,006 shares of common stock previously reported under the T H McCasland III Family Trust #2 are no longer reported, and the footnote states he has no pecuniary or beneficial interest in those shares.

Indirect holdings remain reported through other entities, including 93,724 shares held by the McCasland III Irrevocable Trust #2, 4,402 shares held by a revocable trust dated 10-30-96, and 6,844 shares held by his spouse, Monica McCasland.

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

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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).

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^*

McCasland Thomas Howard III

(Last) (First) (Middle)

100 N. BROADWAY AVE.

(Street)

OKLAHOMA CITY OK 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/26/2026		J(1)		85,006	D	$0	0	I	T H McCasland III Family Trust #2
Common Stock								93,724	I	McCasland III Irrevocable Trust #2
Common Stock								4,402	I	Revocable Trust Dtd. 10-30-96
Common Stock								6,844	I	by Spouse Monica McCasland

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. Thomas H. McCasland III was reporting these shares because he was paying the taxes on the T.H. McCasland III Family Trust #2 of which he was the settlor and was disclosing these shares for protective purposes only. He has ceased paying the taxes on this trust and has no pecuniary interest in the shares owned by this trust. He disclaims any beneficial interest in the shares owned by this trust.

Remarks:

	/s/By POA from Thomas Howard McCasland III	02/26/2026
	** 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.

FAQ

What does the latest Form 4 for BANF director Thomas H. McCasland III show?

The Form 4 shows an update to indirect holdings of BancFirst Corp common stock through several trusts and a spousal account. It reclassifies 85,006 shares previously reported under one family trust and confirms remaining indirect holdings in other trusts and by his spouse.

How many BANF shares were reclassified from the T H McCasland III Family Trust #2?

A total of 85,006 BancFirst Corp common shares were removed from reporting under the T H McCasland III Family Trust #2. The footnote explains he has no pecuniary or beneficial interest in that trust’s shares and had reported them previously only for tax-related protective purposes.

What BANF shares does the McCasland III Irrevocable Trust #2 hold after this Form 4?

After the reported update, the McCasland III Irrevocable Trust #2 holds 93,724 shares of BancFirst Corp common stock on an indirect basis. These shares remain attributed as an indirect holding for the reporting person through that irrevocable trust structure, separate from the family trust #2 change.

How many BANF shares are held through the revocable trust dated 10-30-96?

The revocable trust dated 10-30-96 holds 4,402 shares of BancFirst Corp common stock as an indirect position. This trust is listed separately from other trusts in the filing, clarifying the structure and size of each indirect holding associated with the reporting person’s estate planning arrangements.

What BANF holdings are reported as owned by Thomas McCasland’s spouse?

The filing lists 6,844 BancFirst Corp common shares as held indirectly by his spouse, Monica McCasland. These are shown as a separate indirect ownership line, distinguishing spousal holdings from those in the various trusts and helping clarify how the overall indirect ownership is structured.

What does the footnote in the BANF Form 4 say about beneficial interest in the family trust shares?

The footnote states Thomas H. McCasland III has no pecuniary interest and disclaims any beneficial interest in shares owned by the T H McCasland III Family Trust #2. He previously reported them only because he was paying that trust’s taxes, a situation that has now ceased.