OBK

SEC source: 0001516912-25-000116 · wk-form4_1747863544.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 147,834

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: 0001516912-25-000116 · wk-form4_1747863544.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,931

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: 0001516912-25-000114 · wk-form4_1747863436.xml · derivative · entry 5

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,397

Underlying: Common Stock · 1,199 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 May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F3 · derivative.expiration_date: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F3 · balance_after: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

SEC source: 0001516912-25-000114 · wk-form4_1747863436.xml · nonDerivative · entry 2

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,184

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: 0001516912-25-000114 · wk-form4_1747863436.xml · nonDerivative · entry 1

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,489

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: 0001516912-25-000112 · wk-form4_1747863258.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: 3,028

Underlying: Common Stock · 1,514 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 May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F3 · derivative.expiration_date: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F3 · balance_after: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

SEC source: 0001516912-25-000112 · wk-form4_1747863258.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: 28,511

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: 0001516912-25-000112 · wk-form4_1747863258.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: 29,139

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: 0001516912-25-000110 · wk-form4_1747863056.xml · derivative · entry 5

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,716

Underlying: Common Stock · 858 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 May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F3 · derivative.expiration_date: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F3 · balance_after: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

SEC source: 0001516912-25-000110 · wk-form4_1747863056.xml · nonDerivative · entry 2

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,193

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: 0001516912-25-000110 · wk-form4_1747863056.xml · nonDerivative · entry 1

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,418

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: 0001516912-25-000104 · wk-form4_1747862366.xml · nonDerivative · entry 1

Luffey Gary E. · CIK 0001737357 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,118

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 22, 2026.

SEC source: 0001516912-25-000102 · wk-form4_1747862165.xml · nonDerivative · entry 1

Jones Michael Aubrey · CIK 0001738147 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,682

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 22, 2026.

SEC source: 0001516912-25-000096 · wk-form4_1747861672.xml · nonDerivative · entry 1

Gallot Richard J. Jr. · CIK 0001773178 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,470

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 22, 2026.

SEC source: 0001516912-25-000094 · wk-form4_1747861463.xml · nonDerivative · entry 1

Farr Meryl Kennedy · CIK 0001857896 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,388

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 22, 2026.

SEC source: 0001516912-25-000092 · wk-form4_1747861323.xml · nonDerivative · entry 1

Edney Andrea La'Verne · CIK 0001857930 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,388

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 22, 2026.

SEC source: 0002040255-26-000002 · wk-form4a_1771976777.xml · nonDerivative · entry 1

Jones Cecil W. · CIK 0002040255 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,725

F1 · kind: Represents shares that were purchased as part of a dividend reinvestment program.

F2 · price: This transaction was executed in multiple trades at prices ranging from $34.59 to $38.53. The price reported above reflects the weighted average daily purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001857896-26-000004 · wk-form4a_1784142730.xml · derivative · entry 13

Farr Meryl Kennedy · CIK 0001857896 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 303

Underlying: Common Stock · 152 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.

F11 · derivative.exercise_date: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F11 · derivative.expiration_date: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F11 · balance_after: Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

F3 · ownership.nature: The reported shares are held by the reporting person's spouse and were acquired pursuant to restricted stock unit awards and employee stock purchase plan purchases granted in connection with the spouse's employment with Forth Insurance, a subsidiary of the issuer.

SEC source: 0001857896-26-000004 · wk-form4a_1784142730.xml · derivative · entry 12

Farr Meryl Kennedy · CIK 0001857896 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 523

Underlying: Common Stock · 525 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.

F10 · derivative.exercise_date: Granted on May 19, 2023, vesting ratably over three years with the first vest date of May 20, 2024.

F10 · derivative.expiration_date: Granted on May 19, 2023, vesting ratably over three years with the first vest date of May 20, 2024.

F10 · balance_after: Granted on May 19, 2023, vesting ratably over three years with the first vest date of May 20, 2024.

F3 · ownership.nature: The reported shares are held by the reporting person's spouse and were acquired pursuant to restricted stock unit awards and employee stock purchase plan purchases granted in connection with the spouse's employment with Forth Insurance, a subsidiary of the issuer.

SEC source: 0001857896-26-000004 · wk-form4a_1784142730.xml · nonDerivative · entry 4

Farr Meryl Kennedy · CIK 0001857896 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,902

F5 · 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.

F3 · ownership.nature: The reported shares are held by the reporting person's spouse and were acquired pursuant to restricted stock unit awards and employee stock purchase plan purchases granted in connection with the spouse's employment with Forth Insurance, a subsidiary of the issuer.

SEC source: 0001857896-26-000004 · wk-form4a_1784142730.xml · nonDerivative · entry 3

Farr Meryl Kennedy · CIK 0001857896 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,942

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.

F3 · ownership.nature: The reported shares are held by the reporting person's spouse and were acquired pursuant to restricted stock unit awards and employee stock purchase plan purchases granted in connection with the spouse's employment with Forth Insurance, a subsidiary of the issuer.

SEC source: 0001857896-26-000004 · wk-form4a_1784142730.xml · nonDerivative · entry 2

Farr Meryl Kennedy · CIK 0001857896 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 2,790

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.

F4 · balance_after: Includes 797 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 ESPP, for the purchase period of June 01, 2023 to May 31, 2024.

F3 · ownership.nature: The reported shares are held by the reporting person's spouse and were acquired pursuant to restricted stock unit awards and employee stock purchase plan purchases granted in connection with the spouse's employment with Forth Insurance, a subsidiary of the issuer.

SEC source: 0001516912-25-000038 · wk-form4_1740170495.xml · derivative · entry 1

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,406

Underlying: Common Stock · 2,406 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · derivative.expiration_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · balance_after: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

SEC source: 0001516912-25-000035 · wk-form4_1740170407.xml · derivative · entry 1

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,105

Underlying: Common Stock · 2,105 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted February 20, 2025, vesting ratably over three years with the first vest day of February 20, 2026.

F2 · derivative.expiration_date: Granted February 20, 2025, vesting ratably over three years with the first vest day of February 20, 2026.

F2 · balance_after: Granted February 20, 2025, vesting ratably over three years with the first vest day of February 20, 2026.

SEC source: 0001516912-25-000040 · wk-form4_1740170544.xml · derivative · entry 1

Wallace Willliam J IV · CIK 0001941034 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,406

Underlying: Common Stock · 2,406 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · derivative.expiration_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · balance_after: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

SEC source: 0001516912-25-000039 · wk-form4_1740170521.xml · derivative · entry 1

Sirman Lori · CIK 0001938364 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,551

Underlying: Common Stock · 1,551 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · derivative.expiration_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · balance_after: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

SEC source: 0001516912-25-000037 · wk-form4_1740170466.xml · derivative · entry 1

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,007

Underlying: Common Stock · 3,007 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · derivative.expiration_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · balance_after: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

SEC source: 0001516912-25-000036 · wk-form4_1740170434.xml · derivative · entry 1

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,152

Underlying: Common Stock · 2,152 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · derivative.expiration_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · balance_after: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

SEC source: 0001516912-25-000034 · wk-form4_1740170384.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,798

Underlying: Common Stock · 3,798 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · derivative.expiration_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · balance_after: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

SEC source: 0001516912-25-000033 · wk-form4_1740170363.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,696

Underlying: Common Stock · 12,696 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents the contingent right to receive, at settlement, one share of the issuer's common stock or cash equal to the fair value thereof (calculated pursuant to the incentive agreement), as determined by the issuer.

F2 · derivative.exercise_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · derivative.expiration_date: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

F2 · balance_after: Granted on February 20, 2025, vesting ratably over three years with the first vest date of February 20, 2026.

SEC source: 0001516912-25-000022 · wk-form4_1740005511.xml · derivative · entry 9

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 586 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.

F8 · derivative.exercise_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F8 · derivative.expiration_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F8 · balance_after: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

SEC source: 0001516912-25-000022 · wk-form4_1740005511.xml · nonDerivative · entry 4

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,724

F4 · 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.

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 3

Moore Preston · CIK 0001469331 · Chief Credit & Banking Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,601

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 9

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 586 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: 0001516912-25-000021 · wk-form4_1740005470.xml · nonDerivative · entry 6

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,961

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: 0001516912-25-000021 · wk-form4_1740005470.xml · nonDerivative · entry 5

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,314

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: 0001516912-25-000021 · wk-form4_1740005470.xml · nonDerivative · entry 4

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,191

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 3

Brolly Stephen H · CIK 0001443080 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,352

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 10

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 488 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: 0001516912-25-000020 · wk-form4_1740005434.xml · nonDerivative · entry 6

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,560

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: 0001516912-25-000020 · wk-form4_1740005434.xml · nonDerivative · entry 5

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,853

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: 0001516912-25-000020 · wk-form4_1740005434.xml · nonDerivative · entry 4

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,918

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 3

Crotwell Jim · CIK 0001839920 · Chief Risk Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,071

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 13

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,469

Underlying: Common Stock · 2,233 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.

F8 · derivative.exercise_date: Granted on February 18, 2022, vesting ratably over five years with the first vest date of February 18, 2023.

F8 · derivative.expiration_date: Granted on February 18, 2022, vesting ratably over five years with the first vest date of February 18, 2023.

F8 · balance_after: Granted on February 18, 2022, vesting ratably over five years with the first vest date of February 18, 2023.

SEC source: 0001516912-25-000019 · wk-form4_1740005396.xml · derivative · entry 12

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 837 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.

F7 · derivative.exercise_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F7 · derivative.expiration_date: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

F7 · balance_after: Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 18, 2023.

SEC source: 0001516912-25-000019 · wk-form4_1740005396.xml · nonDerivative · entry 8

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,290

F5 · 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.

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 7

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,745

F4 · 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.

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 6

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,141

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 5

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,663

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: 0001516912-25-000019 · wk-form4_1740005396.xml · nonDerivative · entry 4

McGee Derek · CIK 0001899399 · Chief Legal Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,430

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.