Origin Bancorp, Inc. — Director's Dealing 2026

Feb 24, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Origin Bancorp, Inc. (OBK)
CIK: 0001516912
Period of Report: 2026-02-20

Reporting Person: Moore Preston (Chief Credit & Banking Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-20	Common Stock	M	802	—	Acquired	55684	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-20	Restricted Stock Units	$	M	802	Disposed		Common Stock (802)	Direct
2026-02-20	Restricted Stock Units	$	A	2275	Acquired		Common Stock (2275)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	14916	Indirect
Common Stock	2500	Indirect

Footnotes

F1: Restricted stock units convert into common stock on a one-for-one basis.

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

F3: 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.

F4: Granted on February 20, 2026, vesting ratably over three years with the first vest date of February 20, 2027.