What indirect OBK share holdings does the CFO report?

The CFO reports indirect ownership of 3,761 shares of Origin Bancorp, Inc. common stock held by issuer retirement plan, as shown in the indirect holding entry on the Form 4.

Origin Bancorp CFO exercises 2,226 stock units

Q: How many OBK shares were withheld for taxes in the CFO’s Form 4?

The Form 4 states that 593 shares of common stock were withheld by Origin Bancorp, Inc. to satisfy its income tax withholding and remittance obligations related to the net settlement of the restricted stock units; this is explicitly described as not representing a sale.

Q: At what price were OBK shares valued for the tax-withholding in this Form 4?

For the tax-withholding transaction, 593 shares of Origin Bancorp, Inc. common stock were withheld at a value of $52.51 per share, according to the reported transaction price in the Form 4.

Q: How many OBK shares were acquired through the Employee Stock Purchase Plan?

The Form 4 footnotes state that the CFO’s holdings include 851 shares of Origin Bancorp, Inc. common stock purchased under the 2021 Employee Stock Purchase Plan for the purchase period from June 1, 2025 to May 31, 2026.

Q: Do the reported OBK insider transactions involve a Rule 10b5-1 trading plan?

The document-level Rule 10b5-1 checkbox is shown as not checked (false), and no footnote describes the transactions as being made pursuant to a Rule 10b5-1 trading plan.

Origin Bancorp, Inc. (OBK) reported that its Chief Financial Officer, Wallace Willliam J IV, exercised 2,226 Restricted Stock Units into an equal number of shares of common stock on August 19, 2026.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

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Form Type

Rhea-AI Filing Summary

Origin Bancorp, Inc. (OBK) reported that its Chief Financial Officer, Wallace Willliam J IV, exercised 2,226 Restricted Stock Units into an equal number of shares of common stock on August 19, 2026. In connection with this net settlement, 593 common shares were withheld by the issuer to satisfy income tax withholding obligations, which the company states does not represent a sale. The reporting person also has indirect ownership of 3,761 common shares held through an issuer retirement plan, and his direct holdings include 851 shares acquired under the company’s 2021 Employee Stock Purchase Plan.

Insider Trade Summary

2,226 shares exercised/converted

Exercise 4 txns

Insider Wallace Willliam J IV

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units ^{F1, F4}	2,226	$0.00	$0.00
Exercise	Common Stock ^{F1, F2}	2,226	--	--
Tax Withholding	Common Stock ^F3	593	$52.51	$31K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 2,226 contracts (Direct); Common Stock — 19,046 shares (Direct); Common Stock — 3,761 shares (Indirect, BY ISSUER RETIREMENT PLAN)

Footnotes (4)

F1. Restricted stock units convert into common stock on a one-for-one basis.
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.
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.
F4. Granted on August 19, 2022, vesting ratably over five years with the first vest date of August 19, 2023.

Key Figures

Restricted Stock Units exercised: 2,226 units Shares withheld for taxes: 593 shares Tax-withholding share value: $52.51 per share +3 more

6 metrics

Restricted Stock Units exercised 2,226 units RSUs converted into common stock on August 19, 2026, one-for-one basis

Shares withheld for taxes 593 shares Common stock withheld to satisfy income tax withholding obligations

Tax-withholding share value $52.51 per share Per-share value used for the 593 withheld common shares

Indirect holdings by retirement plan 3,761 shares Common stock held indirectly by issuer retirement plan

ESPP shares included in holdings 851 shares Common stock purchased under 2021 Employee Stock Purchase Plan, June 1, 2025–May 31, 2026 period

Derivative exercises in filing 2,226 shares Total shares from derivative exercise/conversion transactions in this Form 4

Key Terms

Restricted Stock Units, net settlement, Employee Stock Purchase Plan, income tax withholding

4 terms

Restricted Stock Units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

net settlement financial

"in connection with the net settlement of the restricted stock units"

Employee Stock Purchase Plan financial

"purchased pursuant to the Origin Bancorp, Inc. 2021 Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

income tax withholding financial

"withheld by the issuer to satisfy its income tax withholding and remittance obligations"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did OBK’s CFO report on this Form 4?

The CFO of Origin Bancorp, Inc. (OBK), Wallace Willliam J IV, reported exercising 2,226 Restricted Stock Units into common stock on August 19, 2026, with part of the resulting shares withheld to cover income tax obligations.

How many OBK shares were withheld for taxes in the CFO’s Form 4?

The Form 4 states that 593 shares of common stock were withheld by Origin Bancorp, Inc. to satisfy its income tax withholding and remittance obligations related to the net settlement of the restricted stock units; this is explicitly described as not representing a sale.

At what price were OBK shares valued for the tax-withholding in this Form 4?

For the tax-withholding transaction, 593 shares of Origin Bancorp, Inc. common stock were withheld at a value of $52.51 per share, according to the reported transaction price in the Form 4.

How many OBK shares were acquired through the Employee Stock Purchase Plan?

The Form 4 footnotes state that the CFO’s holdings include 851 shares of Origin Bancorp, Inc. common stock purchased under the 2021 Employee Stock Purchase Plan for the purchase period from June 1, 2025 to May 31, 2026.

Do the reported OBK insider transactions involve a Rule 10b5-1 trading plan?

The document-level Rule 10b5-1 checkbox is shown as not checked (false), and no footnote describes the transactions as being made pursuant to a Rule 10b5-1 trading plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/21/2026 - 12:46 PM Accepted by SEC EDGAR 08/21/2026 - 12:45 PM

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Wallace Willliam J IV

(Last)

(First)

(Middle)

500 SOUTH SERVICE ROAD EAST

(Street)

RUSTON

LOUISIANA

71270

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Origin Bancorp, Inc. [ OBK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/19/2026		M		2,226	A	⁽¹⁾	19,639⁽²⁾	D
Common Stock	08/19/2026		F⁽³⁾		593	D	$52.51	19,046	D
Common Stock								3,761	I	BY ISSUER RETIREMENT PLAN

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	08/19/2026		M			2,226	⁽⁴⁾	⁽⁴⁾	Common Stock	2,226	$0	2,226⁽⁴⁾	D

Explanation of Responses:

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

2. 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.

3. 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.

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

Remarks:

	/s/ Drake Mills, as Attorney-in-Fact	08/21/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR