Origin Bancorp (OBK) CEO gains shares from RSU vesting and tax withholding

Rhea-AI Filing Summary

Origin Bancorp, Inc. reported that Chairman, President and CEO Drake Mills had restricted stock units convert into common stock. On May 20, 2026, 5,061 restricted stock units converted into the same number of common shares on a one-for-one basis.

To cover income tax withholding obligations from this net settlement, 2,068 common shares were withheld by the issuer at a reference price of $47.38 per share, which the disclosure states does not represent a sale. After these entries, Mills directly owned 172,761 common shares, with additional indirect holdings of 3,866 shares in an IRA and 58,391 shares through an issuer retirement plan.

Insider Trade Summary

5,061 shares exercised/converted

Mixed 5 txns

Insider Mills Drake

Role Chairman, President and CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	5,061	$0.00	--
Exercise	Common Stock	5,061	$0.00	--
Tax Withholding	Common Stock	2,068	$47.38	$98K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 5,061 shares (Direct, null); Common Stock — 172,761 shares (Direct, null); Common Stock — 58,391 shares (Indirect, BY ISSUER RETIREMENT PLAN)

Footnotes (1)

1. Restricted stock units convert into common stock on a one-for-one basis. 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. Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

Key Figures

RSUs converted: 5,061 shares Shares withheld for taxes: 2,068 shares Withholding reference price: $47.38 per share +5 more

8 metrics

RSUs converted 5,061 shares Restricted stock units converting into common stock on May 20, 2026

Shares withheld for taxes 2,068 shares Common shares withheld to satisfy income tax obligations

Withholding reference price $47.38 per share Price used for tax-withholding share calculation

Direct holdings after transaction 172,761 shares Common stock directly owned by Drake Mills after entries

IRA indirect holdings 3,866 shares Common stock held indirectly via IRA

Retirement plan holdings 58,391 shares Common stock held indirectly via issuer retirement plan

Derivative exercises 1 transaction, 5,061 shares Exercise/conversion of restricted stock units into common shares

Tax-withholding disposition 1 transaction, 2,068 shares Shares delivered to issuer for tax withholding, not a sale

Key Terms

Restricted Stock Units, net settlement, income tax withholding, IRA, +1 more

5 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"

income tax withholding financial

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

IRA financial

"nature_of_ownership: By IRA"

An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.

issuer retirement plan financial

"nature_of_ownership: BY ISSUER RETIREMENT PLAN"

Form 4 Insider Transactions: What Each Field Means →

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^*

Mills Drake

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman, President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/20/2026		M		5,061	A	(1)	172,761	D
Common Stock	05/20/2026		F(2)		2,068	D	$47.38	170,693	D
Common Stock								58,391	I	BY ISSUER RETIREMENT PLAN
Common Stock								3,866	I	By IRA

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	05/20/2026		M			5,061	(3)	(3)	Common Stock	5,061	$0	5,061(3)	D

Explanation of Responses:

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 May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.

Remarks:

	/s/ Drake Mills	05/22/2026
	** 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)

FAQ

What insider transaction did Origin Bancorp (OBK) report for Drake Mills?

Origin Bancorp reported that CEO Drake Mills had 5,061 restricted stock units convert into common stock. These units vested on May 20, 2026, reflecting routine equity compensation rather than an open-market purchase or sale, according to the Form 4 disclosure and accompanying footnotes.

How many Origin Bancorp shares were withheld for Drake Mills’ taxes?

The company withheld 2,068 Origin Bancorp common shares to satisfy income tax withholding obligations. The Form 4 states this withholding occurred in connection with the net settlement of restricted stock units and explicitly notes that it does not represent a sale of shares by Drake Mills.

At what price were Origin Bancorp (OBK) shares valued for tax withholding?

The withheld shares were valued at $47.38 per share for tax withholding purposes. This price is used in the Form 4 entry describing 2,068 common shares withheld by the issuer to meet income tax remittance obligations tied to the restricted stock unit settlement.

How many Origin Bancorp shares does Drake Mills own after this Form 4?

Following these transactions, Drake Mills directly owns 172,761 Origin Bancorp common shares. He also has indirect holdings of 3,866 shares through an IRA and 58,391 shares via an issuer retirement plan, according to the Form 4’s total shares following transaction figures.

Were any of Drake Mills’ Origin Bancorp transactions open-market sales or purchases?

No open-market sales or purchases are reported in this Form 4. The filing shows a restricted stock unit conversion and shares withheld for tax obligations, with footnotes clarifying that the 2,068 withheld shares represent tax remittance, not a discretionary market sale.