FFIN

SEC source: 0001209191-19-057470 · doc4.xml · nonDerivative · entry 1

Nickles Robert Clark Jr · CIK 0001774337 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Limited Liability Corporation

Disclosed balance after: 61,072

F1 · balance_after: This indirect ownership represents shares owned by a limited liability corporation of which the reporting person and his spouse are equal beneficial owners of the common stock owned by the limited liability corporation.

SEC source: 0001209191-19-057098 · doc4.xml · nonDerivative · entry 1

Edwards Murray Hamilton · CIK 0001356117 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Limited Partnership

Disclosed balance after: 113,454

F1 · ownership.nature: This indirect ownership represents shares to Twenty-Three Oaks, LP A Partnership, a limited partnership of which the reporting person is the general partner and of which the reporting person, his spouse, and adult children are the limited partners. The reporting person disclaims beneficial ownership of the common stock held by the limited partnership except to the extent of his pecuniary interest therein.

SEC source: 0001209191-19-056315 · doc4.xml · nonDerivative · entry 1

Denny Michael B. · CIK 0001774246 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Limited Partnership

Disclosed balance after: 47,238

F1 · balance_after: This indirect ownership represents shares owned by a limited partnership of which the reporting person and his spouse are beneficial owners of the common stock owned by the limited partnership.

SEC source: 0001209191-19-055777 · doc4.xml · nonDerivative · entry 3

MATTHEWS KADE · CIK 0001251134 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Estate

Disclosed balance after: 0

F1 · shares: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

F3 · ownership.nature: This indirect ownership represents shares previously owned by the estate of Mr. Matthews' mother in which Mr. Matthews was the co-executor. These shares were distributed on November 8, 2019, to the heirs of Mr. Matthews' mother's estate, 111,232 shares of which were distributed to Mr. Matthews.

SEC source: 0001209191-19-055777 · doc4.xml · nonDerivative · entry 1

MATTHEWS KADE · CIK 0001251134 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 710,742

F1 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-055632 · doc4.xml · derivative · entry 2

Roewe Randall Allen · CIK 0001642844 · Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,200

Underlying: Common Stock · 1,600 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: 0001209191-19-055632 · doc4.xml · nonDerivative · entry 1

Roewe Randall Allen · CIK 0001642844 · Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,423

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: 0001209191-19-055628 · 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 2021-10-25

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: 0001209191-19-055628 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,643

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: 0001209191-19-054799 · doc4.xml · nonDerivative · entry 1

Lancaster Ivan Tim · CIK 0001572455 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,424

F1 · balance_after: These shares acquired represent shares previously held in a deferred director fee rabbi trust that have been distributed to the reporting person.

SEC source: 0001209191-19-054447 · doc4.xml · nonDerivative · entry 2

COPELAND DAVID L · CIK 0001033746 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust, as Custodian or Sole Manager

Disclosed balance after: 292,164

F1 · ownership.nature: This indirect ownership represents shares owned by trusts in which Mr. Copeland is trustee or co-trustee. Mr. Copeland disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Copeland is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-19-054447 · doc4.xml · nonDerivative · entry 1

COPELAND DAVID L · CIK 0001033746 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust, as Custodian or Sole Manager

Disclosed balance after: 315,075

F1 · ownership.nature: This indirect ownership represents shares owned by trusts in which Mr. Copeland is trustee or co-trustee. Mr. Copeland disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Copeland is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-19-054310 · doc4.xml · nonDerivative · entry 1

Edwards Murray Hamilton · CIK 0001356117 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 30,054

F1 · balance_after: Amount has been adjusted for the two-for-one stock split effective June 3, 2019

SEC source: 0001209191-19-054439 · doc4.xml · nonDerivative · entry 2

COPELAND DAVID L · CIK 0001033746 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust, as Custodian or Sole Manager

Disclosed balance after: 351,842

F1 · ownership.nature: This indirect ownership represents shares owned by trusts in which Mr. Copeland is trustee or co-trustee. Mr. Copeland disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Copeland is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-19-054439 · doc4.xml · nonDerivative · entry 1

COPELAND DAVID L · CIK 0001033746 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust, as Custodian or Sole Manager

Disclosed balance after: 360,185

F1 · ownership.nature: This indirect ownership represents shares owned by trusts in which Mr. Copeland is trustee or co-trustee. Mr. Copeland disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Copeland is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-19-054090 · doc4.xml · nonDerivative · entry 1

Nickles Robert Clark Jr · CIK 0001774337 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Limited Liability Corporation

Disclosed balance after: 75,632

F1 · balance_after: This indirect ownership represents shares owned by a limited liability corporation of which the reporting person and his spouse are equal beneficial owners of the common stock owned by the limited liability corporation.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-054086 · doc4.xml · nonDerivative · entry 1

Thaxton Kirk W · CIK 0001657071 · Trust Company CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,647

SEC source: 0001209191-19-054309 · doc4.xml · nonDerivative · entry 2

COPELAND DAVID L · CIK 0001033746 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust, as Custodian or Sole Manager

Disclosed balance after: 373,775

F1 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019

F2 · ownership.nature: This indirect ownership represents shares owned by (i)trusts in which Mr. Copeland is trustee or co-trustee, (ii)minors for which Mr. Copeland serves as custodian and (iii)limited partnerships for which Mr. Copeland serves as sole manager of the general partner. Mr. Copeland disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Copeland is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-19-054309 · doc4.xml · nonDerivative · entry 1

COPELAND DAVID L · CIK 0001033746 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust, as Custodian or Sole Manager

Disclosed balance after: 394,629

F1 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019

F2 · ownership.nature: This indirect ownership represents shares owned by (i)trusts in which Mr. Copeland is trustee or co-trustee, (ii)minors for which Mr. Copeland serves as custodian and (iii)limited partnerships for which Mr. Copeland serves as sole manager of the general partner. Mr. Copeland disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Copeland is the beneficial owner of such securities for purposes of Section 16 or any other purpose.

SEC source: 0001209191-19-054311 · doc4.xml · nonDerivative · entry 1

Giddiens Ronald N · CIK 0001457187 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,114

F1 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019

SEC source: 0001209191-19-053834 · doc4.xml · nonDerivative · entry 2

McVey J. Kyle · CIK 0001688452 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,231

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 469 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053834 · doc4.xml · nonDerivative · entry 1

McVey J. Kyle · CIK 0001688452 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,700

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 1,272 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053826 · doc4.xml · nonDerivative · entry 2

Thaxton Kirk W · CIK 0001657071 · Trust Company CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,077

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 829 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053826 · doc4.xml · nonDerivative · entry 1

Thaxton Kirk W · CIK 0001657071 · Trust Company CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,906

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,120 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053865 · doc4.xml · nonDerivative · entry 2

DUESER F SCOTT · CIK 0001243211 · Director · Chairman, President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 848,737

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 1,658 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · ownership.nature: The total shares represented are held in various trusts of which Mr. Dueser is the trustee, settlor and beneficiary.

SEC source: 0001209191-19-053865 · doc4.xml · nonDerivative · entry 1

DUESER F SCOTT · CIK 0001243211 · Director · Chairman, President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 850,395

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 4,240 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · ownership.nature: The total shares represented are held in various trusts of which Mr. Dueser is the trustee, settlor and beneficiary.

SEC source: 0001209191-19-053836 · doc4.xml · nonDerivative · entry 2

Roewe Randall Allen · CIK 0001642844 · Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,823

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 397 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053836 · doc4.xml · nonDerivative · entry 1

Roewe Randall Allen · CIK 0001642844 · Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,220

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,120 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053832 · doc4.xml · nonDerivative · entry 2

Longhofer T. Luke · CIK 0001679051 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,463

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 390 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053832 · doc4.xml · nonDerivative · entry 1

Longhofer T. Luke · CIK 0001679051 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,853

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 1,413 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053828 · doc4.xml · nonDerivative · entry 2

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,643

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 829 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053828 · doc4.xml · nonDerivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,472

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,120 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053830 · doc4.xml · nonDerivative · entry 2

HILDEBRAND J BRUCE · CIK 0001235399 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,798

F2 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 829 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

SEC source: 0001209191-19-053830 · doc4.xml · nonDerivative · entry 1

HILDEBRAND J BRUCE · CIK 0001235399 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,627

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,120 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

SEC source: 0001209191-19-053824 · doc4.xml · nonDerivative · entry 2

Ruzicka John James Jr · CIK 0001773890 · EVP-CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,610

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 220 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053824 · doc4.xml · nonDerivative · entry 1

Ruzicka John James Jr · CIK 0001773890 · EVP-CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,830

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,120 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053822 · doc4.xml · nonDerivative · entry 2

GRAGG GARY · CIK 0001240697 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,565

F3 · shares: The reporting person elected, in accordance with the Registrant's 2015 Restricted Stock Plan, to exercise his right to have the Registrant withhold 829 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-053822 · doc4.xml · nonDerivative · entry 1

GRAGG GARY · CIK 0001240697 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,394

F1 · shares: On October 22,2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,120 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-044062 · doc4.xml · nonDerivative · entry 1

Lancaster Ivan Tim · CIK 0001572455 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,375

F1 · balance_after: These shares acquired represent shares previously held in a deferred director fee rabbi trust that have been distributed to the reporting person.

F2 · balance_after: Amount has been adjusted for the two-for-one stock split effective June 3, 2019.

SEC source: 0001209191-19-044030 · doc4.xml · derivative · entry 2

Roewe Randall Allen · CIK 0001642844 · Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,200

Underlying: Common Stock · 800 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: 0001209191-19-044030 · doc4.xml · nonDerivative · entry 1

Roewe Randall Allen · CIK 0001642844 · Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,100

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.

F1 · balance_after: Amount has been adjusted for the two-for-one stock split effective June 3, 2019

SEC source: 0001209191-19-039150 · doc4.xml · derivative · entry 1

Roewe Randall Allen · CIK 0001642844 · Chief Risk Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2029-06-26

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 6,000 shares of the Company's common stock at $29.70 per share. The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years.

SEC source: 0001209191-19-039173 · doc4.xml · derivative · entry 1

GRAGG GARY · CIK 0001240697 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2029-06-26

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 10,000 shares of the Company's common stock at $29.70 per share. The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years.

SEC source: 0001209191-19-039171 · doc4.xml · derivative · entry 1

Butler Ronald David II · CIK 0001554713 · CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2029-06-26

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 10,000 shares of the Company's common stock at $29.70 per share. The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years.

SEC source: 0001209191-19-039169 · doc4.xml · derivative · entry 1

Thaxton Kirk W · CIK 0001657071 · Trust Company CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2029-06-26

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 10,000 shares of the Company's common stock at $29.70 per share. The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years.

SEC source: 0001209191-19-039162 · doc4.xml · derivative · entry 1

Longhofer T. Luke · CIK 0001679051 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2029-06-26

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 10,000 shares of the Company's common stock at $29.70 per share. The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years.

SEC source: 0001209191-19-039160 · doc4.xml · derivative · entry 1

McVey J. Kyle · CIK 0001688452 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,000

Underlying: Common Stock · 6,000 shares

Expires 2029-06-26

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 6,000 shares of the Company's common stock at $29.70 per share. The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years.

SEC source: 0001209191-19-039157 · doc4.xml · derivative · entry 1

Ruzicka John James Jr · CIK 0001773890 · EVP-CIO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2029-06-26

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person options to purchase 10,000 shares of the Company's common stock at $29.70 per share. The options vest 20% at the end of two years, 40% at the end of three years, 60% at the end of four years, 80% at the end of five years and 100% at the end of six years.

SEC source: 0001209191-19-039336 · doc4.xml · nonDerivative · entry 1

DUESER F SCOTT · CIK 0001243211 · Director · Chairman, President and CEO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 846,155

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 11,953 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amounts have been adjusted for the two-for-one stock split effective June 3, 2019.

F3 · ownership.nature: Represents shares held by several trusts of which Mr. Dueser is trustee, settlor and beneficiary.

SEC source: 0001209191-19-039322 · doc4.xml · nonDerivative · entry 1

HILDEBRAND J BRUCE · CIK 0001235399 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,507

F1 · shares: On June 26, 2019, First Financial Bankshares, Inc. granted the reporting person restricted stock totaling 2,391 shares. The restricted stock vests 33 1/3% at the end of one year, 66 2/3% at the end of two years, and 100% at the end of three years.

F2 · balance_after: Amount has been adjusted for the two-for-one stock split effective June 3, 2019.