First Financial exec exercises 490 stock options

FIRST FINANCIAL BANKSHARES INC Trust Company President Lon A. Biebighauser exercised employee stock options and acquired common shares in the company.

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

FIRST FINANCIAL BANKSHARES INC Trust Company President Lon A. Biebighauser exercised employee stock options and acquired common shares in the company. He exercised options on 490 shares of common stock at $21.18 per share, converting a derivative award into directly held stock. Following this transaction, he directly owns 11,013 shares of common stock. The filing shows an option exercise with no reported open-market sale of the acquired shares, reflecting a routine compensation-related move.

Insider Trade Summary

490 shares exercised/converted

Exercise 2 txns

Insider Biebighauser Lon A.

Role Trust Company President

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option, Right to Buy	490	$21.18	$10K
Exercise	Common Stock	490	$21.18	$10K

Holdings After Transaction: Employee Stock Option, Right to Buy — 0 contracts (Direct); Common Stock — 11,013 shares (Direct)

Key Figures

Options exercised: 490 shares Exercise price: $21.18 per share Shares owned after: 11,013 shares +2 more

5 metrics

Options exercised 490 shares Employee stock options converted into common stock

Exercise price $21.18 per share Price for exercising employee stock options

Shares owned after 11,013 shares Direct common stock holdings post-transaction

Option expiration June 12, 2027 Expiration date of exercised stock options

Option exercisable since June 12, 2023 Date from which the options were exercisable

Key Terms

Employee Stock Option, Right to Buy, Exercise or conversion of derivative security, Common Stock, derivative

4 terms

Employee Stock Option, Right to Buy financial

"security_title: "Employee Stock Option, Right to Buy""

Exercise or conversion of derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

Common Stock financial

"security_title: "Common Stock""

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.

derivative financial

"transaction_type: "derivative""

A derivative is a financial contract whose value depends on the price or performance of another asset or measure — for example a stock, index, interest rate, commodity, or currency. Investors use derivatives like insurance or leveraged bets to hedge risk, speculate, or gain exposure without owning the underlying asset; they can protect portfolios but also amplify losses and introduce counterparty and market risk.

FAQ

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

What did FFIN executive Lon A. Biebighauser report in this Form 4?

Lon A. Biebighauser reported exercising employee stock options to acquire 490 shares of FIRST FINANCIAL BANKSHARES INC common stock at $21.18 per share. This converts a derivative award into directly held shares, typical of equity compensation programs.

How many FFIN shares did Lon A. Biebighauser acquire through option exercise?

He acquired 490 shares of FIRST FINANCIAL BANKSHARES INC common stock through exercising employee stock options. Each option was exercised at a price of $21.18 per share, turning derivative rights into actual share ownership.

What is Lon A. Biebighauser’s FFIN shareholding after this transaction?

After the reported transactions, Lon A. Biebighauser directly owns 11,013 shares of FIRST FINANCIAL BANKSHARES INC common stock. This figure reflects his position immediately following the 490-share option exercise disclosed in the Form 4.

Were any FIRST FINANCIAL BANKSHARES INC shares sold in this Form 4?

No sales are reported. The Form 4 shows Lon A. Biebighauser exercised options coded as an M transaction, acquiring 490 common shares. The filing does not show any open-market sale or tax-withholding disposition related to these shares.

What were the key terms of the FFIN options exercised by Lon A. Biebighauser?

The options covered 490 shares of FIRST FINANCIAL BANKSHARES INC common stock at an exercise price of $21.18 per share. They were originally exercisable from June 12, 2023, and were scheduled to expire on June 12, 2027.

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

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Accepted by SEC EDGAR 05/07/2026 - 04:20 PM EDT

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^*

Biebighauser Lon A.

(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)
	Trust Company President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

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)
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	05/06/2026		M		490	A	$21.18	11,013	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)
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)
Employee Stock Option, Right to Buy	$21.18	05/06/2026		M			490	06/12/2023	06/12/2027	Common Stock	490	$21.18	0	D

Explanation of Responses:

	Michelle S. Hickox Attorney in Fact for Lon A. Biebighauser	05/07/2026
	** 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)

Source: View Original Filing on SEC EDGAR