First Financial EVP exercises 2,300 options

FIRST FINANCIAL BANKSHARES INC’s EVP and Chief Credit Officer exercised options for common stock and donated 950 shares to a nonprofit foundation.

Rhea-AI Filing Summary

FIRST FINANCIAL BANKSHARES INC (FFIN) executive T. Luke Longhofer, EVP and Chief Credit Officer, reported option exercises and a charitable stock gift. On September 8, 2026 he exercised employee stock options for 1,500 shares at $21.18 and 800 shares at $29.70, receiving the same number of common shares. On September 9, 2026 he made a bona fide charitable gift of 950 common shares to a nonprofit foundation. No Rule 10b5-1 trading plan is indicated.

Insider Trade Summary

2,300 shares exercised/converted

Exercise 5 txns

Insider Longhofer T. Luke

Role EVP - Chief Credit Officer

Type	Security	Shares	Price	Value
Gift	Common Stock F1	950	$0.00	$0.00
Exercise	Employee Stock Option, Right to Buy	1,500	$21.18	$32K
Exercise	Employee Stock Option, Right to Buy	800	$29.70	$24K
Exercise	Common Stock	1,500	$21.18	$32K
Exercise	Common Stock	800	$29.70	$24K

Holdings After Transaction: Employee Stock Option, Right to Buy — 9,200 contracts (Direct); Common Stock — 43,148 shares (Direct)

Footnotes (1)

1. F1. This donation was a charitable gift to a nonprofit foundation.

Key Figures

Charitable gift shares: 950 shares Options exercised at $21.18: 1,500 shares Options exercised at $29.70: 800 shares +3 more

6 metrics

Charitable gift shares 950 shares Common stock gifted as a bona fide charitable donation on September 9, 2026

Options exercised at $21.18 1,500 shares Employee stock options exercised into common stock on September 8, 2026

Options exercised at $29.70 800 shares Employee stock options exercised into common stock on September 8, 2026

Total options exercised 2,300 shares Aggregate underlying common shares from two option exercises reported

Exercise price 1 $21.18 per share Exercise or conversion price for one employee stock option grant

Exercise price 2 $29.70 per share Exercise or conversion price for another employee stock option grant

Key Terms

Bona fide gift, Employee Stock Option, Right to Buy, derivative security, non-derivative

4 terms

Bona fide gift regulatory

"transaction code description notes a Bona fide gift disposition of shares"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

Employee Stock Option, Right to Buy financial

"security title listed as Employee Stock Option, Right to Buy"

derivative security financial

"transaction code description refers to Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

non-derivative financial

"transaction type is identified as non-derivative for common stock entries"

FAQ

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

What insider transactions did FFIN executive T. Luke Longhofer report on this Form 4?

He reported exercising employee stock options for 1,500 shares at $21.18 and 800 shares at $29.70 of FIRST FINANCIAL BANKSHARES INC common stock on September 8, 2026, and making a bona fide charitable gift of 950 common shares on September 9, 2026.

How many FIRST FINANCIAL BANKSHARES INC (FFIN) shares did the executive donate?

T. Luke Longhofer donated 950 shares of FIRST FINANCIAL BANKSHARES INC common stock as a charitable gift to a nonprofit foundation on September 9, 2026, reported as a bona fide gift transaction.

What option exercises did the FFIN EVP and Chief Credit Officer report?

He exercised employee stock options for 1,500 underlying common shares at an exercise price of $21.18 and for 800 underlying common shares at $29.70 on September 8, 2026, receiving the corresponding common stock of FIRST FINANCIAL BANKSHARES INC.

Were the FFIN insider’s transactions made under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox as not affirmed, and there is no footnote stating that the reported transactions were made under a Rule 10b5-1 or other pre-arranged trading plan.

What role does the reporting person hold at FIRST FINANCIAL BANKSHARES INC (FFIN)?

The reporting person, T. Luke Longhofer, is identified as an officer of FIRST FINANCIAL BANKSHARES INC, serving as EVP - Chief Credit Officer at the time of the reported transactions.

What types of securities were involved in the FFIN Form 4 transactions?

The transactions involved Employee Stock Options, Right to Buy, which are derivative securities, and the underlying Common Stock of FIRST FINANCIAL BANKSHARES INC, including shares acquired upon option exercise and shares transferred as a charitable gift.

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

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Available on EDGAR 09/10/2026 - 05:07 PM EDT Accepted by SEC EDGAR 09/10/2026 - 05:07 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^*

Longhofer T. Luke

(Last) (First) (Middle)

P O BOX 701

(Street)

ABILENE TEXAS 79604

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	EVP - Chief Credit Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/08/2026

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	09/08/2026		M		1,500	A	$21.18	43,298	D
Common Stock	09/08/2026		M		800	A	$29.7	44,098	D
Common Stock	09/09/2026		G		950(1)	D	$0	43,148	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	$21.18	09/08/2026		M			1,500	06/12/2023	06/12/2027	Common Stock	1,500	$21.18	0	D
Employee Stock Option, Right to Buy	$29.7	09/08/2026		M			800	06/26/2021	06/26/2029	Common Stock	800	$29.7	9,200	D

Explanation of Responses:

1. This donation was a charitable gift to a nonprofit foundation.

	By: Michelle S. Hickox Attorney in Fact for T. Luke Longhofer	09/10/2026
	** 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)