FFIN CAO defers 6,094 vested shares into DSUs

FIRST FINANCIAL BANKSHARES INC Chief Accounting Officer Ronald David Butler II reported compensation-related equity activity involving performance stock units, common stock, and deferred stock units.

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Form Type

Rhea-AI Filing Summary

FIRST FINANCIAL BANKSHARES INC Chief Accounting Officer Ronald David Butler II reported compensation-related equity activity involving performance stock units, common stock, and deferred stock units. On March 13, 2026, 6,094 performance stock units vested and were settled in shares of common stock.

Instead of receiving these 6,094 common shares directly, Mr. Butler deferred the award into the company’s Supplemental Executive Retirement Plan, exchanging them for 6,094 deferred stock units payable upon his termination of employment. This produced an acquisition and a matching disposition to the issuer rather than an open-market trade.

After these transactions, Mr. Butler directly holds 170,952 shares of common stock and 14,262 deferred stock units representing future rights to common stock. The filing reflects routine executive compensation and deferral elections, with no reported open-market purchases or sales.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Butler Ronald David II

Role CAO

Type	Security	Shares	Price	Value
Grant/Award	Deferred Stock Units	6,094	$0.00	$0.00
Grant/Award	Common Stock	6,094	$0.00	$0.00
Disposition	Common Stock	6,094	$0.00	$0.00

Holdings After Transaction: Deferred Stock Units — 14,262 contracts (Direct); Common Stock — 170,952 shares (Direct)

Footnotes (2)

F1. Represents shares of common stock issued upon the vesting of outstanding performance stock units that were subject to performance criteria other than the issuer's stock price.
F2. In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Butler's receipt of 6,094 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 6,094 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the "SERP"). Mr. Butler is therefore reporting the disposition of 6,094 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Butler's termination of employment.

FAQ

What did FFIN executive Ronald David Butler II report on this Form 4?

Ronald David Butler II reported vesting and settlement of 6,094 performance stock units into common stock, then deferring those shares into 6,094 deferred stock units under the company’s Supplemental Executive Retirement Plan. The activity reflects compensation and deferral elections, not open-market buying or selling of shares.

Were there any open-market stock purchases or sales by FFIN’s CAO in this filing?

No open-market purchases or sales were reported. The Form 4 shows a grant and vesting of equity awards and an associated disposition to the issuer tied to a deferral election into deferred stock units, all at a stated price of zero rather than market-based trading activity.

How many First Financial Bankshares shares does Ronald Butler hold after these transactions?

Following the reported transactions, Ronald Butler holds 170,952 shares of First Financial Bankshares common stock directly and 14,262 deferred stock units. The deferred stock units represent future delivery of common stock, generally payable when his employment with the company ends, rather than immediately tradable shares.

What are the deferred stock units reported by FFIN’s CAO on this Form 4?

The deferred stock units are equity-based awards credited under First Financial Bankshares’ Supplemental Executive Retirement Plan. In this filing, 6,094 vested performance stock units were exchanged for 6,094 deferred stock units, which are payable in common stock upon Ronald Butler’s termination of employment with the company.

Why does the Form 4 for FFIN show both an acquisition and a disposition of 6,094 shares?

The acquisition reflects 6,094 shares of common stock issued upon vesting of performance stock units, while the matching disposition reflects those same shares being effectively surrendered to the issuer and replaced with 6,094 deferred stock units under the retirement plan, consistent with Butler’s deferral election.

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Accepted by SEC EDGAR 03/17/2026 - 04:54 PM

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

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)
03/13/2026

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)
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	03/13/2026		A		6,094⁽¹⁾	A	⁽¹⁾	177,046	D
Common Stock	03/13/2026		D		6,094⁽²⁾	D	⁽²⁾	170,952	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)
Deferred Stock Units	⁽²⁾	03/13/2026		A		6,094		⁽²⁾	⁽²⁾	Common Stock	6,094	⁽²⁾	14,262	D

Explanation of Responses:

1. Represents shares of common stock issued upon the vesting of outstanding performance stock units that were subject to performance criteria other than the issuer's stock price.

2. In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Butler's receipt of 6,094 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 6,094 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the "SERP"). Mr. Butler is therefore reporting the disposition of 6,094 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Butler's termination of employment.

	By: Michelle S. Hickox Attorney in Fact for Ronald D. Butler II	03/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Source: View Original Filing on SEC EDGAR