FFIN CAO Acquires 10,150 Shares via Option Exercise – Form 4

On 07/29/2025, First Financial Bankshares (FFIN) Chief Accounting Officer Ronald D. Butler II exercised 10,150 employee stock options at an exercise price of $16.95 (Form 4, Code M).

Rhea-AI Filing Summary

On 07/29/2025, First Financial Bankshares (FFIN) Chief Accounting Officer Ronald D. Butler II exercised 10,150 employee stock options at an exercise price of $16.95 (Form 4, Code M). The options, granted 10/27/2021 and expiring 10/27/2025, were converted into the same number of common shares; no shares were sold. Butler’s direct ownership increased to 171,814 FFIN shares, and he now holds zero derivative securities from this grant.

The transaction is an internal equity acquisition rather than a disposition, suggesting continued insider alignment with shareholders, but the size is modest relative to the company’s total share count and should have limited market impact.

Insights

Financial Analyst

TL;DR: Officer exercised 10k options, kept shares; mildly positive but immaterial to valuation.

The Form 4 shows Butler converting options into common stock without selling. Such retention can be interpreted as confidence in future performance, yet 10,150 shares represent a negligible fraction of FFIN’s roughly 142 million-share float. The $16.95 strike is close to recent trading ranges, implying no deep discount windfall. Overall, this is routine housekeeping with marginal signalling value and no direct earnings effect.

Insider Trade Summary

10,150 shares exercised/converted

Exercise 2 txns

Insider Butler Ronald David II

Role CAO

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option, Right to Buy	10,150	$16.95	$172K
Exercise	Common Stock	10,150	$16.95	$172K

Holdings After Transaction: Employee Stock Option, Right to Buy — 0 contracts (Direct); Common Stock — 171,814 shares (Direct)

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Accepted by SEC EDGAR 07/31/2025 - 02:56 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^*

Butler Ronald David II

(Last) (First) (Middle)

P. O. BOX 701

(Street)

ABILENE TX 79604

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FIRST FINANCIAL BANKSHARES INC [ FFIN ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
07/29/2025

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	07/29/2025		M		10,150	A	$16.95	171,814	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
Employee Stock Option, Right to Buy	$16.95	07/29/2025		M			10,150	10/27/2021	10/27/2025	Common Stock	10,150	$16.95	0	D

Explanation of Responses:

	By: Michelle S. Hickox Attorney in Fact for Ronald D. Butler II	07/31/2025
	** 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.