Lori Sirman - 20 May 2024 Form 4 Insider Report for Origin Bancorp, Inc. (OBK)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	OBK	Restricted Stock Units	Award	$0	+2,681	$0.000000	2,681	20 May 2024	Common Stock	2,681		Direct	F1, F2
holding	OBK	Restricted Stock Units					1,489	20 May 2024	Common Stock	1,489		Direct	F1, F3
holding	OBK	Restricted Stock Units					4,452	20 May 2024	Common Stock	4,452		Direct	F1, F4
holding	OBK	Stock Options (Right to Buy)					2,751	20 May 2024	Common Stock	2,751	$19.64	Direct	F5
holding	OBK	Stock Options (Right to Buy)					5,674	20 May 2024	Common Stock	5,674	$19.64	Direct	F5
holding	OBK	Stock Options (Right to Buy)					6,621	20 May 2024	Common Stock	6,621	$22.28	Direct	F5
holding	OBK	Stock Options (Right to Buy)					4,568	20 May 2024	Common Stock	4,568	$23.64	Direct	F5
holding	OBK	Stock Options (Right to Buy)					18,538	20 May 2024	Common Stock	18,538	$31.72	Direct	F5
holding	OBK	Stock Options (Right to Buy)					16,552	20 May 2024	Common Stock	16,552	$37.01	Direct	F5
holding	OBK	Stock Options (Right to Buy)					23,173	20 May 2024	Common Stock	23,173	$37.76	Direct	F5
holding	OBK	Stock Options (Right to Buy)					23,173	20 May 2024	Common Stock	23,173	$33.23	Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	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.
F2	Granted on May 20, 2024, vesting ratably over three years with the first vest date of May 20, 2025.
F3	Granted on February 17, 2023, vesting ratably over three years with the first vest date of February 17, 2024.
F4	Granted on February 17, 2023, with 2,226 shares vesting on each of the vesting dates of August 19, 2023, August 19, 2024, and August 19, 2025.
F5	Pursuant to the Merger Agreement, at the effective time of the Merger, August 1, 2022, each outstanding and unexercised option to purchase shares of BTH common stock became fully vested and automatically converted into an option to purchase shares of issuer common stock, with the number of underlying shares and the exercise price determined as set forth in the Merger Agreement. Each option to purchase shares of issuer common stock is subject to the same terms and conditions (excluding vesting but including exercisability terms) as the corresponding option to purchase shares of BTH common stock immediately prior to the effective time of the Merger.