Butler Ronald David II

SEC source: 0001193125-26-355206 · ownership.xml · derivative · entry 7

Butler Ronald David II · CIK 0001554713 · EVP/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 5,000 shares

Expires 2027-06-12

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-355206 · ownership.xml · nonDerivative · entry 4

Butler Ronald David II · CIK 0001554713 · EVP/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,223

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001193125-26-355206 · ownership.xml · nonDerivative · entry 3

Butler Ronald David II · CIK 0001554713 · EVP/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,223

SEC source: 0001193125-26-355206 · ownership.xml · derivative · entry 6

Butler Ronald David II · CIK 0001554713 · EVP/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,991

Underlying: Common Stock · 1,354 shares

Expires not disclosed

F2 · derivative.exercise_price: In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · price: In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · derivative.exercise_date: In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · derivative.expiration_date: In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0001193125-26-355206 · ownership.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · EVP/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,223

F2 · shares: In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · price: In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0001193125-26-355206 · ownership.xml · derivative · entry 5

Butler Ronald David II · CIK 0001554713 · EVP/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,637

Underlying: Common Stock · 2,375 shares

Expires not disclosed

F1 · derivative.exercise_price: In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · price: In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · derivative.exercise_date: In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · derivative.expiration_date: In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0001193125-26-355206 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · EVP/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 168,577

F1 · shares: In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · price: In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0001193125-26-111084 · ownership.xml · derivative · entry 3

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,262

Underlying: Common Stock · 6,094 shares

Expires not disclosed

F2 · derivative.exercise_price: 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.

F2 · price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001193125-26-111084 · ownership.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,952

F2 · shares: 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.

F2 · price: 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.

SEC source: 0001193125-26-111084 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,046

F1 · shares: 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.

F1 · price: 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.

SEC source: 0001193125-25-297268 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,952

F1 · shares: This distribution was a charitable gift to a nonprofit foundation.

SEC source: 0000950170-25-110056 · ownership.xml · derivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,168

Underlying: Common Stock · 1,919 shares

Expires not disclosed

F1 · derivative.exercise_price: In connection with the vesting on August 16, 2025, of 1,919 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,919 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,919 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,919 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · price: In connection with the vesting on August 16, 2025, of 1,919 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,919 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,919 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,919 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · derivative.exercise_date: In connection with the vesting on August 16, 2025, of 1,919 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,919 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,919 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,919 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · derivative.expiration_date: In connection with the vesting on August 16, 2025, of 1,919 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,919 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,919 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,919 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0000950170-25-110056 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 172,131

F1 · shares: In connection with the vesting on August 16, 2025, of 1,919 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,919 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,919 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,919 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F1 · price: In connection with the vesting on August 16, 2025, of 1,919 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,919 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,919 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,919 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0000950170-25-109643 · ownership.xml · derivative · entry 4

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,249

Underlying: Common Stock · 1,222 shares

Expires not disclosed

F2 · derivative.exercise_price: In connection with the vesting on August 14, 2025, of 1,222 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,222 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,222 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,222 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · price: In connection with the vesting on August 14, 2025, of 1,222 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,222 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,222 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,222 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · derivative.exercise_date: In connection with the vesting on August 14, 2025, of 1,222 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,222 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,222 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,222 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · derivative.expiration_date: In connection with the vesting on August 14, 2025, of 1,222 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,222 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,222 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,222 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0000950170-25-109643 · ownership.xml · derivative · entry 3

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,615

Underlying: Common Stock · 11,615 shares

Expires 2035-08-14

F3 · derivative.exercise_date: The options vest 33.33% after one year from the grant date, 66.66% after the second year, and 100% after the third year.

SEC source: 0000950170-25-109643 · ownership.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,050

F2 · shares: In connection with the vesting on August 14, 2025, of 1,222 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,222 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,222 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,222 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

F2 · price: In connection with the vesting on August 14, 2025, of 1,222 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,222 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,222 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,222 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.

SEC source: 0000950170-25-109643 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,272

F1 · shares: Reflects grant of restricted stock units (RSUs) which vest in three approximately equal installments on each of the three anniversaries of the grant date.

SEC source: 0000950170-25-100830 · ownership.xml · derivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,150 shares

Expires 2025-10-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-25-100830 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 171,814

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-25-044454 · ownership.xml · derivative · entry 3

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,027

Underlying: Common Stock · 2,542 shares

Expires not disclosed

F2 · derivative.exercise_price: In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Butler's receipt of 2,542 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 2,542 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 2,542 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.

F2 · price: In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Butler's receipt of 2,542 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 2,542 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 2,542 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.

F2 · derivative.exercise_date: In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Butler's receipt of 2,542 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 2,542 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 2,542 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.

F2 · derivative.expiration_date: In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Butler's receipt of 2,542 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 2,542 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 2,542 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.

SEC source: 0000950170-25-044454 · ownership.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,664

F2 · shares: In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Butler's receipt of 2,542 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 2,542 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 2,542 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.

F2 · price: In connection with the vesting of performance stock units previously granted on August 16, 2022, Mr. Butler's receipt of 2,542 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 2,542 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 2,542 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.

SEC source: 0000950170-25-044454 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,206

F1 · shares: 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.

F1 · price: 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.

SEC source: 0000950170-24-125483 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 161,664

SEC source: 0000950170-24-102446 · ownership.xml · derivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,150

Underlying: Common Stock · 9,850 shares

Expires 2025-10-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-24-102446 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,664

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0000950170-24-099235 · ownership.xml · derivative · entry 3

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,485

Underlying: Common Stock · 1,920 shares

Expires not disclosed

F2 · derivative.exercise_price: In connection with the vesting on August 16, 2024, of 1,920 restricted stock units previously granted to Mr. Butler, Mr. Butler's receipt of 1,920 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 1,920 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 1,920 restricted 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.

F2 · price: In connection with the vesting on August 16, 2024, of 1,920 restricted stock units previously granted to Mr. Butler, Mr. Butler's receipt of 1,920 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 1,920 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 1,920 restricted 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.

F2 · derivative.exercise_date: In connection with the vesting on August 16, 2024, of 1,920 restricted stock units previously granted to Mr. Butler, Mr. Butler's receipt of 1,920 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 1,920 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 1,920 restricted 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.

F2 · derivative.expiration_date: In connection with the vesting on August 16, 2024, of 1,920 restricted stock units previously granted to Mr. Butler, Mr. Butler's receipt of 1,920 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 1,920 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 1,920 restricted 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.

SEC source: 0000950170-24-099235 · ownership.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 152,814

F2 · shares: In connection with the vesting on August 16, 2024, of 1,920 restricted stock units previously granted to Mr. Butler, Mr. Butler's receipt of 1,920 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 1,920 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 1,920 restricted 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.

F2 · price: In connection with the vesting on August 16, 2024, of 1,920 restricted stock units previously granted to Mr. Butler, Mr. Butler's receipt of 1,920 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 1,920 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 1,920 restricted 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.

SEC source: 0000950170-24-099235 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,734

F1 · shares: The reporting person elected, in accordance with the Registrant's 2021 Omnibus Stock and Incentive Plan, to exercise his right to have the Registrant withhold 139 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock units.

SEC source: 0000950170-24-097421 · ownership.xml · derivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,653

Underlying: Common Stock · 12,653 shares

Expires 2034-08-14

F2 · derivative.exercise_date: The options vest 33.33% after one year from the grant date, 66.66% after the second year, and 100% after the third year.

SEC source: 0000950170-24-097421 · ownership.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 154,873

F1 · shares: Reflects grant of restricted stock units (RSUs) which vest in three approximately equal installments on each of the three anniversaries of the grant date.

SEC source: 0001209191-24-004988 · doc4.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,207

F2 · shares: The reporting person elected, in accordance with the Registrant's 2021 Omnibus Stock and Incentive Plan, to exercise his right to have the Registrant withhold 419 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted performance stock units.

SEC source: 0001209191-24-004988 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,626

F1 · shares: 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.

F1 · price: 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.

SEC source: 0001209191-23-053967 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,922

F1 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 203 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

SEC source: 0001209191-23-046550 · doc4.xml · derivative · entry 5

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 565

Underlying: Common Stock · 565 shares

Expires not disclosed

F3 · derivative.exercise_price: In connection with the vesting on August 16, 2023, of 565 restricted stock units previously granted to Mr. Butler on August 16, 2022, Mr. Butler's receipt of 565 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 565 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 565 restricted 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.

F3 · price: In connection with the vesting on August 16, 2023, of 565 restricted stock units previously granted to Mr. Butler on August 16, 2022, Mr. Butler's receipt of 565 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 565 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 565 restricted 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.

F3 · derivative.exercise_date: In connection with the vesting on August 16, 2023, of 565 restricted stock units previously granted to Mr. Butler on August 16, 2022, Mr. Butler's receipt of 565 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 565 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 565 restricted 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.

F3 · derivative.expiration_date: In connection with the vesting on August 16, 2023, of 565 restricted stock units previously granted to Mr. Butler on August 16, 2022, Mr. Butler's receipt of 565 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 565 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 565 restricted 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.

SEC source: 0001209191-23-046550 · doc4.xml · derivative · entry 4

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,289

Underlying: Common Stock · 14,289 shares

Expires 2033-08-16

F4 · derivative.exercise_date: The options vest 33.33% after one year from the grant date, 66.66% after the second year, and 100% after the third year.

SEC source: 0001209191-23-046550 · doc4.xml · nonDerivative · entry 3

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,125

F3 · shares: In connection with the vesting on August 16, 2023, of 565 restricted stock units previously granted to Mr. Butler on August 16, 2022, Mr. Butler's receipt of 565 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 565 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 565 restricted 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.

F3 · price: In connection with the vesting on August 16, 2023, of 565 restricted stock units previously granted to Mr. Butler on August 16, 2022, Mr. Butler's receipt of 565 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 565 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 565 restricted 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.

SEC source: 0001209191-23-046550 · doc4.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,690

F2 · shares: Reflects grant of restricted stock units (RSUs) which vest in three approximately equal installments on each of the three anniversaries of the grant date.

SEC source: 0001209191-23-046550 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,627

F1 · shares: The reporting person elected, in accordance with the Registrant's 2021 Omnibus Stock and Incentive Plan, to exercise his right to have the Registrant withhold 139 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock units.

SEC source: 0001209191-23-009098 · doc4.xml · derivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,000 shares

Expires 2023-10-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-23-009098 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,766

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-22-055591 · doc4.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,766

F1 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 374 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

SEC source: 0001209191-22-055591 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,968

F1 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 374 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

SEC source: 0001209191-22-046696 · doc4.xml · derivative · entry 3

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,958

Underlying: Common Stock · 6,958 shares

Expires 2032-08-16

F3 · derivative.exercise_date: The options vest 20% after one year from the grant date, 40% after the second year, 60% after the third year, 80% after the fourth year and 100% after the fifth year.

SEC source: 0001209191-22-046696 · doc4.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,140

F2 · shares: Reflects grant of restricted stock units (RSUs) which vest in three approximately equal installments on each of the three anniversaries of the grant date.

SEC source: 0001209191-22-046696 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,445

F1 · shares: The reporting person elected, in accordance with the Registrant's 2021 Omnibus Stock and Incentive Plan, to exercise his right to have the Registrant withhold 139 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock units.

SEC source: 0001209191-22-007685 · doc4.xml · derivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 7,000 shares

Expires 2023-10-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-22-007685 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,584

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-062063 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,584

F1 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 595 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

SEC source: 0001209191-21-052253 · doc4.xml · derivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,415

Underlying: Common Stock · 6,415 shares

Expires 2031-08-16

F2 · derivative.exercise_date: The options vest 20% after one year from the grant date, 40% after the second year, 60% after the third year, 80% after the fourth year and 100% after the fifth year.

SEC source: 0001209191-21-052253 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,179

F1 · shares: Reflects grant of restricted stock units (RSUs) which vest in three approximately equal installments on each of the three anniversaries of the grant date.