Willliam J. Wallace IV - 19 Aug 2026 Form 4 Insider Report for Origin Bancorp, Inc. (OBK)

Reporting relationship: Chief Financial Officer
Issuer ticker: OBK
Reported as of: 19 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Aug 2026, 12:45:47 UTC
Prior SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Drake Mills, as Attorney-in-Fact

Key filing fact

Willliam J. Wallace IV filed Form 4 for Origin Bancorp, Inc. (OBK) on 21 Aug 2026.

Key facts

This page summarizes Willliam J. Wallace IV's Form 4 filing for Origin Bancorp, Inc. (OBK).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 21 Aug 2026, 12:45.

Change

Previous filing in this sequence was filed on 22 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001941034 Primary reporting owner

Wallace Willliam J IV

Relationship: Chief Financial Officer
Address: 500 SOUTH SERVICE ROAD EAST, RUSTON
Signature: /s/ Drake Mills, as Attorney-in-Fact
Signature date: 21 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OBK transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,226
Change %: +13%
Price
Shares after: 19,639
Date: 19 Aug 2026
Ownership: Direct
Footnotes: F1, F2

OBK transaction

Common Stock

Tax liability

Transaction value
Shares: -593
Change %: -3%
Price: $52.51^*
Shares after: 19,046
Date: 19 Aug 2026
Ownership: Direct
Footnotes: F3

OBK holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,761
Date: 19 Aug 2026
Ownership: BY ISSUER RETIREMENT PLAN

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OBK transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -2,226
Change %: -50%
Price: $0.000000^*
Shares after: 2,226
Date: 19 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,226
Exercise price
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

Includes 851 shares of Common Stock purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan ("ESPP"), for the purchase period of June 01, 2025 to May 31, 2026.

Footnote F3

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.

Footnote F4

Granted on August 19, 2022, vesting ratably over five years with the first vest date of August 19, 2023.