Shanna Kuzdzal - Oct 1, 2022 Form 4 Insider Report for Stellar Bancorp, Inc. (STEL)

Role: Sr. EVP, GC, Secretary
Signature: /s/ Justin M. Long, attorney-in-fact
Stock symbol: STEL
Transactions as of: Oct 1, 2022
Transactions value $: $0
Form type: 4
Date filed: 10/4/2022, 09:55 PM
Previous filing: Sep 26, 2022
Next filing: Oct 25, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	STEL	Common Stock	Award		+24.5K			24.5K	Oct 1, 2022	Direct	F1
transaction	STEL	Common Stock	Tax liability		-1.65K	-6.72%		22.9K	Oct 1, 2022	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Shares received in exchange for shares of Allegiance Bancshares, Inc. ("Allegiance"). On October 1, 2022, pursuant to an Agreement and Plan of Merger (the "Merger Agreement"), Allegiance merged with and into Stellar Bancorp, Inc., formerly CBTX, Inc. ("Stellar"), with Stellar as the surviving entity (the "Merger"). Pursuant to the Merger Agreement, each issued and outstanding share of Allegiance common stock was converted into the right to receive 1.4184 shares of Stellar common stock.
F2	Represents shares withheld to satisfy tax liability for vesting of restricted shares of common stock in connection with the closing of the merger.

Content

Shares received in exchange for shares of Allegiance Bancshares, Inc. ("Allegiance"). On October 1, 2022, pursuant to an Agreement and Plan of Merger (the "Merger Agreement"), Allegiance merged with and into Stellar Bancorp, Inc., formerly CBTX, Inc. ("Stellar"), with Stellar as the surviving entity (the "Merger"). Pursuant to the Merger Agreement, each issued and outstanding share of Allegiance common stock was converted into the right to receive 1.4184 shares of Stellar common stock.

Represents shares withheld to satisfy tax liability for vesting of restricted shares of common stock in connection with the closing of the merger.