OBK

SEC source: 0001516912-25-000019 · wk-form4_1740005396.xml · nonDerivative · entry 3

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,618

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 971 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2023 to May 31, 2024.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · derivative · entry 10

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,556 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F6 · derivative.exercise_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F6 · derivative.expiration_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F6 · balance_after: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · nonDerivative · entry 6

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,870

F4 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the performance stock units and does not represent a sale.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · nonDerivative · entry 5

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,101

F3 · shares: Represents performance stock units vested on February 18, 2025, upon achieving predetermined performance metrics during the three-year performance period, which were granted on February 18, 2022.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · nonDerivative · entry 4

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,120

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · nonDerivative · entry 3

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,790

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · derivative · entry 9

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 931 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F6 · derivative.exercise_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F6 · derivative.expiration_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F6 · balance_after: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · nonDerivative · entry 6

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,625

F4 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the performance stock units and does not represent a sale.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · nonDerivative · entry 5

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,387

F3 · shares: Represents performance stock units vested on February 18, 2025, upon achieving predetermined performance metrics during the three-year performance period, which were granted on February 18, 2022.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · nonDerivative · entry 4

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,604

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · nonDerivative · entry 3

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,015

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-25-000022 · wk-form4_1740005511.xml · derivative · entry 8

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,597

Underlying: Common Stock · 799 shares

Expires not disclosed

F6 · derivative.exercise_price: Each DSU represents a right to receive, at settlement, one share of common stock of the issuer.

F7 · derivative.exercise_date: The DSUs become payable in annual installments over five years while in active service, beginning as soon as feasible after June 1, 2028.

F7 · derivative.expiration_date: The DSUs become payable in annual installments over five years while in active service, beginning as soon as feasible after June 1, 2028.

F7 · balance_after: The DSUs become payable in annual installments over five years while in active service, beginning as soon as feasible after June 1, 2028.

SEC source: 0001516912-25-000022 · wk-form4_1740005511.xml · derivative · entry 7

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 799

Underlying: Common Stock · 799 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000022 · wk-form4_1740005511.xml · nonDerivative · entry 2

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,015

F3 · kind: In connection with the vesting on February 17, 2025, of 799 restricted stock units ("RSUs") previously granted to the reporting person, all 799 shares of common stock was deferred, resulting in the reporting person's receipt of 799 deferred stock units ("DSUs") pursuant to the issuer's Long Term Equity Deferred Compensation Plan. The reporting person is therefore reporting the disposition of 799 shares of common stock in exchange for an equal number of DSUs.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 971 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2023 to May 31, 2024.

SEC source: 0001516912-25-000022 · wk-form4_1740005511.xml · nonDerivative · entry 1

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,814

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.

F1 · price: Restricted stock units convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 971 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2023 to May 31, 2024.

SEC source: 0001516912-25-000021 · wk-form4_1740005470.xml · derivative · entry 8

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 699

Underlying: Common Stock · 699 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000021 · wk-form4_1740005470.xml · nonDerivative · entry 2

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,766

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000021 · wk-form4_1740005470.xml · nonDerivative · entry 1

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,992

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-25-000024 · wk-form4_1740005591.xml · derivative · entry 4

Wallace Willliam J IV · CIK 0001941034 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 799

Underlying: Common Stock · 799 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F3 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F3 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000024 · wk-form4_1740005591.xml · nonDerivative · entry 2

Wallace Willliam J IV · CIK 0001941034 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,078

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000024 · wk-form4_1740005591.xml · nonDerivative · entry 1

Wallace Willliam J IV · CIK 0001941034 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,346

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-25-000023 · wk-form4_1740005555.xml · derivative · entry 5

Sirman Lori · CIK 0001938364 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 745

Underlying: Common Stock · 744 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F3 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F3 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000023 · wk-form4_1740005555.xml · nonDerivative · entry 2

Sirman Lori · CIK 0001938364 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,683

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000023 · wk-form4_1740005555.xml · nonDerivative · entry 1

Sirman Lori · CIK 0001938364 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,888

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-25-000020 · wk-form4_1740005434.xml · derivative · entry 9

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 715

Underlying: Common Stock · 715 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000020 · wk-form4_1740005434.xml · nonDerivative · entry 2

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,583

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000020 · wk-form4_1740005434.xml · nonDerivative · entry 1

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,815

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-25-000019 · wk-form4_1740005396.xml · derivative · entry 11

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 999

Underlying: Common Stock · 998 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F6 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F6 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F6 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000019 · wk-form4_1740005396.xml · nonDerivative · entry 2

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,781

F3 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

F2 · balance_after: Includes 971 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2023 to May 31, 2024.

SEC source: 0001516912-25-000019 · wk-form4_1740005396.xml · nonDerivative · entry 1

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,081

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 971 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2023 to May 31, 2024.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · derivative · entry 9

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,757

Underlying: Common Stock · 1,757 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · nonDerivative · entry 2

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,234

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000018 · wk-form4_1740005366.xml · nonDerivative · entry 1

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 143,043

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · derivative · entry 8

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,262

Underlying: Common Stock · 1,261 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F5 · derivative.exercise_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · derivative.expiration_date: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

F5 · balance_after: Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · nonDerivative · entry 2

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,084

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-25-000017 · wk-form4_1740005309.xml · nonDerivative · entry 1

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,687

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-24-000124 · wk-form4_1733852371.xml · derivative · entry 4

Sirman Lori · CIK 0001938364 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,751 shares

Expires 2024-12-15

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 · derivative.exercise_date: Pursuant to the Merger Agreement, at the effective time of the Merger, August 1, 2022, each outstanding and unexercised option to purchase shares of BTH common stock became fully vested and automatically converted into an option to purchase shares of issuer common stock, with the number of underlying shares and the exercise price determined as set forth in the Merger Agreement. Each option to purchase shares of issuer common stock is subject to the same terms and conditions (excluding vesting but including exercisability terms) as the corresponding option to purchase shares of BTH common stock immediately prior to the effective time of the Merger.

SEC source: 0001516912-24-000124 · wk-form4_1733852371.xml · nonDerivative · entry 1

Sirman Lori · CIK 0001938364 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,144

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: 0001516912-24-000121 · wk-form4_1732206704.xml · nonDerivative · entry 1

Jones Cecil W. · CIK 0002040255 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,733

F1 · kind: Represents shares of restricted stock granted to reporting person by the issuer as compensation for service as a director. The shares will vest on April 23, 2025.

SEC source: 0001516912-24-000119 · wk-form4_1731694382.xml · nonDerivative · entry 1

Jones Michael Aubrey · CIK 0001738147 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,206

F1 · kind: Represents a total of 500 shares of Company common stock transferred in a bona fide gift from Michael Jones to two of his grandchildren.

SEC source: 0001516912-24-000104 · wk-form4_1724257155.xml · derivative · entry 5

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,032 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

F4 · derivative.expiration_date: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

F4 · balance_after: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

SEC source: 0001516912-24-000104 · wk-form4_1724257155.xml · nonDerivative · entry 2

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,100

F3 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

F2 · balance_after: Includes 868 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2023 to May 31, 2024.

SEC source: 0001516912-24-000104 · wk-form4_1724257155.xml · nonDerivative · entry 1

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,355

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

F2 · balance_after: Includes 868 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2023 to May 31, 2024.

SEC source: 0001516912-24-000102 · wk-form4_1724257004.xml · derivative · entry 4

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,063 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

F3 · derivative.expiration_date: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

F3 · balance_after: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

SEC source: 0001516912-24-000102 · wk-form4_1724257004.xml · nonDerivative · entry 2

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,426

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-24-000102 · wk-form4_1724257004.xml · nonDerivative · entry 1

Hall Martin Lance · CIK 0001738157 · OBK COO, Origin Bank Pres&CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,220

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-24-000100 · wk-form4_1724256820.xml · derivative · entry 5

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,126 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F3 · derivative.exercise_date: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

F3 · derivative.expiration_date: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

F3 · balance_after: Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 20, 2022.

SEC source: 0001516912-24-000100 · wk-form4_1724256820.xml · nonDerivative · entry 2

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,286

F2 · kind: Represents the number of common stock that have been withheld by the issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of the restricted stock units and does not represent a sale.

SEC source: 0001516912-24-000100 · wk-form4_1724256820.xml · nonDerivative · entry 1

Mills Drake · CIK 0001737362 · Director · Chairman, President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,962

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 · price: Restricted stock units convert into common stock on a one-for-one basis.

SEC source: 0001516912-24-000094 · wk-form4_1724171253.xml · derivative · entry 4

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,113

Underlying: Common Stock · 1,113 shares

Expires not disclosed

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 · derivative.exercise_price: Restricted stock units convert into common stock on a one-for-one basis.

F4 · derivative.exercise_date: Granted on August 19, 2022, vesting ratably over three years with the first vest date of August 19, 2023.

F4 · derivative.expiration_date: Granted on August 19, 2022, vesting ratably over three years with the first vest date of August 19, 2023.

F4 · balance_after: Granted on August 19, 2022, vesting ratably over three years with the first vest date of August 19, 2023.