# EDGAR Filing Document

**Accession Number:** 0001737362
**File Stem:** 0001516912-23-000028
**Filing Date:** 2023-2
**Character Count:** 8508
**Document Hash:** 152ff03cb1d924122e317f1ad76f77b3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001516912-23-000028.hdr.sgml**: 20230222

**ACCESSION NUMBER**: 0001516912-23-000028

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230217

**FILED AS OF DATE**: 20230222

**DATE AS OF CHANGE**: 20230222

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Mills Drake
- **CENTRAL INDEX KEY:** 0001737362

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38487
- **FILM NUMBER:** 23654761

**MAIL ADDRESS:**
- **STREET 1:** 500 SOUTH SERVICE ROAD EAST
- **CITY:** RUSTON
- **STATE:** LA
- **ZIP:** 71270

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Mills Drake D.
- **DATE OF NAME CHANGE:** 20180412
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Origin Bancorp, Inc.
- **CENTRAL INDEX KEY:** 0001516912
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **IRS NUMBER:** 721192928
- **STATE OF INCORPORATION:** LA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 500 S SERVICE ROAD EAST
- **CITY:** RUSTON
- **STATE:** LA
- **ZIP:** 71270
- **BUSINESS PHONE:** 318-242-7500

**MAIL ADDRESS:**
- **STREET 1:** 500 S SERVICE ROAD EAST
- **CITY:** RUSTON
- **STATE:** LA
- **ZIP:** 71270

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Community Trust Financial Corp
- **DATE OF NAME CHANGE:** 20110329

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Mills Drake<br><sub>(Last) (First) (Middle)</sub><br>500 SOUTH SERVICE ROAD EAST<br><sub>(Street)</sub><br>RUSTON, LA 71270<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-02-17 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chairman, President and CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Origin Bancorp, Inc. [ OBNK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2023-02-17 |  | M |  | 1555 | A | <sup>(1)</sup> | 133657 | D |  |
| Common Stock | 2023-02-17 |  | F<sup>(2)</sup> |  | 446 | D | $39.64 | 133211 | D |  |
| Common Stock |  |  |  |  |  |  |  | 3466 | I | By IRA |
| Common Stock |  |  |  |  |  |  |  | 51933 | I | BY ISSUER RETIREMENT PLAN |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(1)</sup> | 2023-02-17 |  | M |  |  | 1555 | <sup>(3)</sup> | <sup>(3)</sup> | Common Stock | 1555.0 | $0 | 3112<sup>(3)</sup> | D |  |
| Restricted Stock Units | <sup>(4)</sup> | 2023-02-17 |  | A |  | 5271 |  | <sup>(5)</sup> | <sup>(5)</sup> | Common Stock | 5271.0 | $0 | 5271<sup>(5)</sup> | D |  |
| Performance Stock Units | <sup>(6)</sup> |  |  |  |  |  |  | <sup>(7)</sup> | <sup>(7)</sup> | Common Stock | 129735.0 |  | 129735<sup>(7)</sup> | D |  |
| Restricted Stock Units | <sup>(4)</sup> |  |  |  |  |  |  | <sup>(8)</sup> | <sup>(8)</sup> | Common Stock | 129736.0 |  | 129736<sup>(8)</sup> | D |  |
| Restricted Stock Units | <sup>(4)</sup> |  |  |  |  |  |  | <sup>(9)</sup> | <sup>(9)</sup> | Common Stock | 8252.0 |  | 8252<sup>(9)</sup> | D |  |

---

### Footnotes:

(1) Restricted stock units convert into common stock on a one-for-one basis.

(2) 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.

(3) Granted on February 18, 2022, vesting ratably over three years with the first vest date of February 17, 2023.

(4) 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.

(5) Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.

(6) Each performance 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.

(7) The performance stock units ("PSUs") are eligible to vest based on achievement of five pre-established stock price hurdles (each, a "Stock Price Hurdle") during a seven-year performance period beginning on December 13, 2022. Each of the five tranches of PSUs will vest on the later of the date that the applicable Stock Price Hurdle is achieved or the third, fourth, fifth, sixth and seventh anniversaries of the grant date.

(8) Granted on December 13, 2022, vest twenty percent on each of the third, fourth, fifth, sixth and seventh anniversaries of the grant date, starting with the first vest date of December 13, 2025, and settle as soon as administratively possible following the applicable vesting date, but in any event within 30 days thereof.

(9) Granted on August 20, 2021, vesting ratably over three years with the first vest date of August 19, 2022.

**Signature:** /s/ Drake Mills  
**Date:** 2023-02-22

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**