UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): September 14, 2022

CBTX, Inc.

(Exact name of registrant as specified in its charter)

9 Greenway Plaza, Suite 110

Houston, Texas 77046

(Address of principal executive offices)

(713) 210-7600

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§230.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. x

On September 14, 2022, CBTX, Inc. (the “CBTX”) received regulatory approval from the Board of Governors of the Federal Reserve System for the previously announced merger (the “Merger”) of Allegiance Bancshares, Inc. (“Allegiance”) with and into CBTX, with CBTX as the surviving entity pursuant to the terms of the Agreement and Plan of Merger, dated as of November 5, 2021, by and between CBTX and Allegiance (as amended from time to time, the “Merger Agreement”). As of September 14, 2022, CBTX and Allegiance have received all required regulatory approvals to complete the transactions contemplated by the Merger Agreement, including those from the Federal Deposit Insurance Corporation and Texas Department of Banking. The closing of the Merger is expected to occur on or about October 1, 2022, subject to the satisfaction or waiver of customary closing conditions set forth in the Merger Agreement.

On September 15, 2022, CBTX and Allegiance issued a joint press release announcing the foregoing matters. A copy of the joint press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

(d) Exhibits.

Forward-Looking Statements

Certain statements in this communication which are not historical in nature are intended to be, and are hereby identified as, “forward-looking statements” for purposes of the safe harbor provided by Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended.

These statements include, but are not limited to, statements about the benefits of the proposed merger of Allegiance and CBTX, including future financial and operating results (including the anticipated impact of the transaction on Allegiance’s and CBTX’s respective earnings and book value), statements related to the expected timing of the completion of the merger, the combined company’s plans, objectives, expectations and intentions, and other statements that are not historical facts. Forward-looking statements may be identified by terminology such as “may,” “will,” “should,” “scheduled,” “plans,” “intends,” “anticipates,” “expects,” “believes,” “estimates,” “potential,” or “continue” or negatives of such terms or other comparable terminology.

All forward-looking statements are subject to risks, uncertainties and other factors that may cause the actual results, performance or achievements of Allegiance or CBTX to differ materially from any results expressed or implied by such forward-looking statements. Such factors include, among others: (1) the risk that the cost savings and any revenue synergies from the merger may not be fully realized or may take longer than anticipated to be realized; (2) disruption to the parties’ businesses as a result of the announcement and pendency of the merger; (3) the occurrence of any event, change or other circumstances that could give rise to the termination of the merger agreement; (4) the risk that the integration of each party’s operations will be materially delayed or will be more costly or difficult than expected or that the parties are otherwise unable to successfully integrate each party’s businesses into the other’s businesses; (5) the amount of the costs, fees, expenses and charges related to the merger; (6) the risk that regulatory approvals may result in the imposition of conditions that could adversely affect the combined company or the expected benefits of the transaction; (7) reputational risk and the reaction of each company’s customers, suppliers, employees or other business partners to the merger; (8) the failure of the closing conditions in the merger agreement to be satisfied, or any unexpected delay in closing the merger; (9) the possibility that the merger may be more expensive to complete than anticipated, including as a result of unexpected factors or events; (10) the dilution caused by CBTX’s issuance of additional shares of its common stock in the merger; (11) general competitive, economic, political and market conditions; and (12) other factors that may affect future results of CBTX and Allegiance including changes in asset quality and credit risk; the inability to sustain revenue and earnings growth; changes in interest rates and capital markets; inflation; customer borrowing, repayment, investment and deposit practices; the impact, extent and timing of technological changes; capital management activities; and other actions of the Board of Governors of the Federal Reserve System and Office of the Comptroller of the Currency and legislative and regulatory actions and reforms.

Additional factors which could affect future results of Allegiance and CBTX can be found in Allegiance’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K, and CBTX’s Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K, in each case filed with the SEC and available on the SEC’s website at https://www.sec.gov.

CBTX disclaims any obligation and does not intend to update or revise any forward-looking statements contained in this communication, which speak only as of the date hereof, whether as a result of new information, future events or otherwise, except as required by federal securities laws. As forward-looking statements involve significant risks and uncertainties, caution should be exercised against placing undue reliance on such statements.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.