ABTX / Allegiance Bancshares Inc - Документы SEC, Годовой отчет, Доверенное заявление

Allegiance Bancshares Inc.
US ˙ NASDAQ ˙ US01748H1077
ЭТОТ СИМВОЛ БОЛЬШЕ НЕ АКТИВЕН

Основная статистика
LEI 54930083ZNK6KPUJ7R29
CIK 1642081
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Allegiance Bancshares Inc
SEC Filings (Chronological Order)
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October 14, 2022 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number: 001-37585 ALLEGIANCE BANCSHARES, INC. (Exact name of registrant as specifie

October 3, 2022 POS AM

As filed with the Securities and Exchange Commission on October 3, 2022

As filed with the Securities and Exchange Commission on October 3, 2022 Registration Statement File No.

October 3, 2022 EX-99.1

Allegiance Bancshares, Inc. and CBTX, Inc. Complete Merger of Equals to Become Stellar Bancorp, Inc.

Exhibit 99.1 Allegiance Bancshares, Inc. and CBTX, Inc. Complete Merger of Equals to Become Stellar Bancorp, Inc. HOUSTON, TEXAS September 30, 2022 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (?Allegiance?), the holding company of Allegiance Bank, and CBTX, Inc. (NASDAQ: CBTX) (?CBTX?), the holding company of CommunityBank of Texas, N.A., today jointly announced the closing of the merger of equal

October 3, 2022 S-8 POS

As filed with the Securities and Exchange Commission on October 3, 2022

As filed with the Securities and Exchange Commission on October 3, 2022 Registration Statement File No.

October 3, 2022 S-8 POS

As filed with the Securities and Exchange Commission on October 3, 2022

As filed with the Securities and Exchange Commission on October 3, 2022 Registration Statement File No.

October 3, 2022 S-8 POS

As filed with the Securities and Exchange Commission on October 3, 2022

As filed with the Securities and Exchange Commission on October 3, 2022 Registration Statement File No.

October 3, 2022 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

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 30, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

October 3, 2022 S-8 POS

As filed with the Securities and Exchange Commission on October 3, 2022

As filed with the Securities and Exchange Commission on October 3, 2022 Registration Statement File No.

October 3, 2022 S-8 POS

As filed with the Securities and Exchange Commission on October 3, 2022

As filed with the Securities and Exchange Commission on October 3, 2022 Registration Statement File No.

October 3, 2022 S-8 POS

As filed with the Securities and Exchange Commission on October 3, 2022

As filed with the Securities and Exchange Commission on October 3, 2022 Registration Statement File No.

September 15, 2022 EX-99.1

Allegiance Bancshares, Inc. and CBTX, Inc. Announce Regulatory Approvals for Merger of Equals

Exhibit 99.1 JOINT PRESS RELEASE Allegiance Bancshares, Inc. [email protected] CBTX, Inc. [email protected] Allegiance Bancshares, Inc. and CBTX, Inc. Announce Regulatory Approvals for Merger of Equals HOUSTON, TEXAS September 15, 2022 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (?Allegiance?), the holding company of Allegiance Bank, and CBTX, Inc. (NASDAQ: CBTX) (?CBTX?), the holding compa

September 15, 2022 8-K

Financial Statements and Exhibits, Other Events

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 15, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

August 25, 2022 EX-2.1

, 2022, to the Agreement and Plan of Merger, dated as of November 5, 2021, by and between Allegiance Bancshares, Inc. and CBTX, Inc.

Exhibit 2.1 FIRST AMENDMENT TO THE AGREEMENT AND PLAN OF MERGER This First Amendment to the Agreement and Plan of Merger (this ?Amendment?) is made and entered into as of August 25, 2022, by and between CBTX, Inc., a Texas corporation (?CBTX?), and Allegiance Bancshares, Inc., a Texas corporation (?Allegiance?). Recitals WHEREAS, CBTX and Allegiance are parties to that certain Agreement and Plan o

August 25, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

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): August 25, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fi

July 29, 2022 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2022 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2022 RESULTS ?Core loan growth of $112.1 million, or 10.7% (annualized), to $4.32 billion as of June 30, 2022 compared to $4.20 billion as of March 31, 2022 and $355.4 million, or 9.0%, compared to June 30,

July 29, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): July 28, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

July 29, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q S QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 All

July 29, 2022 EX-99.2

Fixed Income Investor Presentation September 2019[Month] [Day], 2019Second Quarter 2022 Earnings Presentation cshares, Inc. Exhibit 99.2 2 Forward-Looking Statements Certain statements in this press release which are not historical in nature are inte

Fixed Income Investor Presentation September 2019[Month] [Day], 2019Second Quarter 2022 Earnings Presentation cshares, Inc.

May 25, 2022 EX-99.1

Allegiance Bancshares, Inc. and CBTX, Inc. Shareholders Approve Merger

Exhibit 99.1 JOINT PRESS RELEASE Allegiance Bancshares, Inc. [email protected] CBTX, Inc. [email protected] Allegiance Bancshares, Inc. and CBTX, Inc. Shareholders Approve Merger HOUSTON, May 24, 2022 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (?Allegiance?), the holding company of Allegiance Bank, and CBTX, Inc. (NASDAQ: CBTX) ("CBTX"), the holding company of CommunityBank of Texas, N.A.,

May 25, 2022 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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): May 24, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

May 18, 2022 425

Your Participation is Important — Please Vote Today! The Shareholder Communication Strategists Copyright © 2021 by Alliance Advisors, LLC. ALL RIGHTS RESERVED

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following letter was sent to shareholders of CBTX, Inc. on May 18, 2022: SPECIAL MEETING OF SHAREHOLDERS TO BE HELD ON May 24, 2022 May 18, 2022 Dear Valued Sharehol

May 17, 2022 425

Filed by: CBTX, Inc.

425 1 tm2215786d3425.htm 425 Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following email was sent to the employees of CommunityBank of Texas, N.A. on May 17, 2022: May 17, 2022 Subject : MOE Integration Update

May 17, 2022 8-K

Financial Statements and Exhibits, Other Events

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): May 17, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

May 17, 2022 EX-99.1

Introducing Stellar Bank: New Bank Resulting From the Merger of Equals Between CommunityBank of Texas, N.A. and Allegiance Bank

Exhibit 99.1 JOINT PRESS RELEASE Allegiance Bancshares, Inc. [email protected] CBTX, Inc. [email protected] Introducing Stellar Bank: New Bank Resulting From the Merger of Equals Between CommunityBank of Texas, N.A. and Allegiance Bank HOUSTON, May 17, 2022 - CBTX, Inc. (NASDAQ: CBTX) (CBTX), the parent company of CommunityBank of Texas, N.A., and Allegiance Bancshares, Inc. (NASDAQ: ABTX) (

May 17, 2022 425

Steve Retzloff

425 1 transcriptofnamerevealvideo.htm 425 Filed by: Allegiance Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. (Commission File No.: 001-37585) Date: May 17, 2022 Transcript Steve Retzloff You know since we announced the merger at the end of last ye

May 17, 2022 EX-99.1

Introducing Stellar Bank: New Bank Resulting From the Merger of Equals Between CommunityBank of Texas, N.A. and Allegiance Bank

Exhibit 99.1 JOINT PRESS RELEASE Allegiance Bancshares, Inc. [email protected] CBTX, Inc. [email protected] Introducing Stellar Bank: New Bank Resulting From the Merger of Equals Between CommunityBank of Texas, N.A. and Allegiance Bank HOUSTON, May 17, 2022 - CBTX, Inc. (NASDAQ: CBTX) (CBTX), the parent company of CommunityBank of Texas, N.A., and Allegiance Bancshares, Inc. (NASDAQ: ABTX) (

May 17, 2022 425

Filed by: CBTX, Inc.

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following is a transcript of a video message sent to CBTX, Inc.?s employees on May 17, 2022: Transcript Steve Retzloff You know since we announced the merger at the

May 17, 2022 425

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): May 17, 2022 Allegiance Bancshare

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): May 17, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

May 17, 2022 425

Filed by: CBTX, Inc.

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following email was sent to the customers of CBTX, Inc. on May 17, 2022: Subject Line: Merger Announcement Name Reveal May 17, 2022 Dear Valued Customer, Last fall w

May 17, 2022 425

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): May 17, 2022 CBTX, Inc. (Exact na

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): May 17, 2022 CBTX, Inc. (Exact name of registrant as specified in its charter) Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer inc

May 17, 2022 EX-99.1

Introducing Stellar Bank: New Bank Resulting From the Merger of Equals Between CommunityBank of Texas, N.A. and Allegiance Bank

Exhibit 99.1 JOINT PRESS RELEASE Allegiance Bancshares, Inc. [email protected] CBTX, Inc. [email protected] Introducing Stellar Bank: New Bank Resulting From the Merger of Equals Between CommunityBank of Texas, N.A. and Allegiance Bank HOUSTON, May 17, 2022 - CBTX, Inc. (NASDAQ: CBTX) (CBTX), the parent company of CommunityBank of Texas, N.A., and Allegiance Bancshares, Inc. (NASDAQ: ABTX) (

May 17, 2022 425

Subject Line: Merger Announcement Name Reveal

425 1 namerevealabtxcustomereml.htm 425 Filed by: Allegiance Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. (Commission File No.: 001-37585) Date: May 17, 2022 E-mail to Customers Subject Line: Merger Announcement Name Reveal May 17, 2022 Dear Valu

May 6, 2022 425

CBTX Q1 2022 Earnings Call April 29, 2022

425 1 tm2214767d1425.htm 425 Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following is a transcript of CBTX, Inc.’s (the “Company”) earnings conference call held on April 29, 2022. CBTX Q1 2022 Earnings Call Ap

April 29, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q S QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Al

April 29, 2022 8-K

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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): April 28, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 29, 2022 425

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): April 28, 2022 Allegiance Bancsha

425 1 abtx202204298k.htm 425 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): April 28, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of I

April 29, 2022 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2022 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2022 RESULTS ?Record core loan growth of $130.3 million, or 12.8% (annualized), to $4.20 billion as of March 31, 2022 compared to $4.07 billion as of December 31, 2021 and $274.1 million, or 7.0%, compared to

April 29, 2022 EX-99.2

Fixed Income Investor Presentation September 2019[Month] [Day], 2019First Quarter 2022 Earnings Presentation cshares, Inc. Exhibit 99.2 2 Certain statements in this presentation which are not historical in nature are intended to be, and are hereby id

Fixed Income Investor Presentation September 2019[Month] [Day], 2019First Quarter 2022 Earnings Presentation cshares, Inc.

April 29, 2022 EX-99.2

Fixed Income Investor Presentation September 2019[Month] [Day], 2019First Quarter 2022 Earnings Presentation cshares, Inc. Exhibit 99.2 2 Certain statements in this presentation which are not historical in nature are intended to be, and are hereby id

Fixed Income Investor Presentation September 2019[Month] [Day], 2019First Quarter 2022 Earnings Presentation cshares, Inc.

April 29, 2022 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2022 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2022 RESULTS ?Record core loan growth of $130.3 million, or 12.8% (annualized), to $4.20 billion as of March 31, 2022 compared to $4.07 billion as of December 31, 2021 and $274.1 million, or 7.0%, compared to

April 29, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

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): April 28, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 28, 2022 EX-99.1

2 SAFE HARBOR STATEMENT AND NON - GAAP FINANCIAL MEASURES NON - GAAP FINANCIAL MEASURES This presentation contains certain non - GAAP (generally accepted accounting principles) financial measures, including tangible equity, tangible assets, tangible

Exhibit 99.1 CBTX, Inc. First Quarter 2022 \ Investor Presentation NASDAQ: CBTX 2 SAFE HARBOR STATEMENT AND NON - GAAP FINANCIAL MEASURES NON - GAAP FINANCIAL MEASURES This presentation contains certain non - GAAP (generally accepted accounting principles) financial measures, including tangible equity, tangible assets, tangible book value per share, tangible equity to tangible assets, return on av

April 28, 2022 425

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): April 28, 2022 CBTX, Inc. (Exact

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): April 28, 2022 ? ? CBTX, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File Nu

April 28, 2022 425

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): April 28, 2022 CBTX, Inc. (Exact

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): April 28, 2022 ? ? CBTX, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File Nu

April 28, 2022 EX-99.1

CBTX, INC. AND SUBSIDIARY Financial Highlights (In thousands, except per share data and percentages)

? ? Exhibit 99.1 ? ? CBTX, Inc. Reports First Quarter Financial Results ? Houston, Texas, April 28, 2022 - CBTX, Inc., or the Company (NASDAQ: CBTX), the bank holding company for CommunityBank of Texas, N.A., or the Bank, today announced its results for the quarter ended March 31, 2022. ? Robert R. Franklin, Jr., Chairman, CEO and President of the Company said, ?We are pleased to present the resul

April 8, 2022 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENTS SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(A) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENTS SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(A) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? ? Con

March 18, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

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): March 17, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

March 18, 2022 EX-10.1

Form of Allegiance Bancshares, Inc.’s Executive Employment Agreement (incorporated herein by reference to Exhibit 10.1 to the Allegiance Bancshares, Inc.’s Current Report on Form 8-K filed on March 18, 2022)

Exhibit 10.1 EXECUTIVE EMPLOYMENT AGREEMENT THIS EXECUTIVE EMPLOYMENT AGREEMENT (this ?Agreement?) is made and entered into, and effective as of, this 17th day of March 2022, by and between Allegiance Bank, a Texas banking association (?Bank?), and , an individual who resides in the State of Texas (?Executive?). Allegiance Bancshares, Inc., a Texas corporation (the ?Company?) is joining in this Ag

March 18, 2022 EX-10.1

Executive Employment Agreement, dated March 17, 2022, by and among CBTX, Inc., CommunityBank of Texas, N.A. and Robert R. Franklin, Jr.

Exhibit 10.1 Executive Employment Agreement This Executive Employment Agreement (this ?Agreement?) is made and entered into and effective as of this 17th day of March, 2022, by and between CommunityBank of Texas, N.A. (including its successors and assigns, the ?Bank?), and Robert R. Franklin, Jr., an individual who resides in the State of Texas (?Executive?). CBTX, Inc., a Texas corporation and so

March 18, 2022 EX-10.2

Change in Control Severance Agreement, dated March 17, 2022, by and between CBTX, Inc. and Robert T. Pigott, Jr.

Exhibit 10.2 Change in Control Severance Agreement This Change in Control Severance Agreement (this ?Agreement?) by and between CBTX, Inc., a Texas corporation and bank holding company (the ?Company?, and together with its Subsidiaries and Affiliates and their respective successors and assigns, the ?Company Group?), and Robert T. Pigott, Jr. (?Executive?) is made and entered into effective as of t

March 18, 2022 425

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): March 17, 2022 CBTX, Inc. (Exact

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): March 17, 2022 CBTX, Inc. (Exact name of registrant as specified in its charter) Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer i

March 10, 2022 DEF 14A

proxy statement filed by Allegiance with the Commission on March 10, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant S Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) S Defin

March 10, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant S Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

February 25, 2022 EX-21.1

Subsidiaries of Allegiance Bancshares, Inc.

Exhibit 21.1 ALLEGIANCE BANCSHARES, INC. LIST OF SUBSIDIARIES AS OF FEBRUARY 25, 2022 Direct Subsidiaries Jurisdiction of Organization Parent Entity Allegiance Bank Texas Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust II Delaware Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust III Delaware Allegiance Bancshares, Inc. Indirect Subsidiaries Jurisdiction of Organization P

February 25, 2022 10-K

21 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents 21 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

February 9, 2022 SC 13G/A

ABTX / Allegiance Bancshares Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Allegiance Bancshares Inc. Title of Class of Securities: Common Stock CUSIP Number: 01748H107 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is f

January 31, 2022 425

Filed by: CBTX, Inc.

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following is a transcript of CBTX, Inc.?s (the ?Company?) earnings conference call held on January 28, 2022. CORPORATE PARTICIPANTS Justin M. Long CBTX, Inc. - Senio

January 28, 2022 425

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): January 28, 2022 CBTX, Inc. (Exac

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): January 28, 2022 ? ? CBTX, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File

January 28, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): January 28, 2022 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

January 28, 2022 EX-99.1

CBTX, Inc. Fourth Quarter 2021 \ Investor Presentation NASDAQ: CBTX 2 SAFE HARBOR STATEMENT AND NON-GAAP FINANCIAL MEASURES NON-GAAP FINANCIAL MEASURES This presentation contains certain non-GAAP (generally accepted accounting principles) financial m

Exhibit 99.1 CBTX, Inc. Fourth Quarter 2021 \ Investor Presentation NASDAQ: CBTX 2 SAFE HARBOR STATEMENT AND NON-GAAP FINANCIAL MEASURES NON-GAAP FINANCIAL MEASURES This presentation contains certain non-GAAP (generally accepted accounting principles) financial measures, including tangible equity, tangible assets, tangible book value per share, tangible equity to tangible assets, return on average

January 28, 2022 425

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): January 28, 2022 CBTX, Inc. (Exac

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): January 28, 2022 ? ? CBTX, Inc. (Exact name of registrant as specified in its charter) ? ? ? ? ? Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File

January 28, 2022 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS RECORD ANNUAL RESULTS FOR 2021

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS RECORD ANNUAL RESULTS FOR 2021 ?Net income and diluted earnings per share of $21.6 million and $1.06 for the fourth quarter 2021, respectively, and record annual net income of $81.6 million and diluted earnings per share o

January 28, 2022 EX-99.2

Fixed Income Investor Presentation September 2019[Month] [Day], 2019Year-End 2021 Earnings Presentation cshares, Inc. Exhibit 99.2 2 Certain statements in this presentation which are not historical in nature are intended to be, and are hereby identif

Fixed Income Investor Presentation September 2019[Month] [Day], 2019Year-End 2021 Earnings Presentation cshares, Inc.

January 28, 2022 EX-99.1

CBTX, INC. AND SUBSIDIARY Financial Highlights (In thousands, except per share data and percentages)

? ? Exhibit 99.1 ? ? CBTX, Inc. Reports Fourth Quarter and Annual Financial Results ? Houston, Texas, January 27, 2022 - CBTX, Inc., or the Company (NASDAQ: CBTX), the bank holding company for CommunityBank of Texas, N.A., or the Bank, today announced its results for the quarter and year ended December 31, 2021. ? Robert R. Franklin, Jr., Chairman, CEO and President of the Company said, ?We are pl

November 16, 2021 425

Filed by: CBTX, Inc.

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following communication was made available by CBTX, Inc. (?CBTX?) on LinkedIn on November 16, 2021: Forward-Looking Statements Certain statements in this communicati

November 16, 2021 425

LinkedIn, Allegiance Bank

Filed by: Allegiance Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. (Commission File No.: 001-37585) Date: November 16, 2021 LinkedIn, Allegiance Bank Facebook, Allegiance Bank Forward-Looking Statements Certain statements in this communication whi

November 12, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

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): November 5, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

November 12, 2021 EX-2.1

Agreement and Plan of Merger, dated November 5, 2021, by and between Allegiance Bancshares, Inc. and CBTX, Inc. (incorporated herein by reference to Exhibit 2.1 to the Company's Form 8-K filed on November 12, 2021)

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and between CBTX, INC. and ALLEGIANCE BANCSHARES, INC. Dated as of November 5, 2021 TABLE OF CONTENTS Page ARTICLE I THE MERGER 1 1.1 The Merger 1 1.2 Closing 2 1.3 Effective Time 2 1.4 Effects of the Merger 2 1.5 Conversion of Allegiance Common Stock 2 1.6 CBTX Stock 3 1.7 Treatment of Equity Awards 3 1.8 Certificate of Formation of Surviving Entity 6 1

November 12, 2021 425

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): November 5, 2021 CBTX, Inc. (Exac

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): November 5, 2021 CBTX, Inc. (Exact name of registrant as specified in its charter) Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File Number) (I.R.S. Employer

November 12, 2021 425

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): November 5, 2021 Allegiance Bancs

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): November 5, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

November 10, 2021 425

Merger of Equals (MOE) FAQs as of November 8, 2021 November 10, 2021 – for internal use only

Filed by: Allegiance Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. (Commission File No.: 001-37585) Date: November 10, 2021 Merger of Equals (MOE) FAQs as of November 8, 2021 November 10, 2021 ? for internal use only What is the reason behind this

November 10, 2021 425

Filed by: CBTX, Inc.

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 The following is a transcript of the Allegiance Bancshares, Inc. (?Allegiance?) and CBTX, Inc. (?CBTX?) conference call on November 8, 2021 concerning the announcement o

November 9, 2021 425

Ladies and gentlemen, thank you for standing by and welcome to Allegiance Bancshares’ Conference Call. At this time all participants are in a listen only mode. Later we will conduct a question and answer session and instructions will follow at that t

Filed by: Allegiance Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. (Commission File No.: 001-37585) Date: November 8, 2021 Transcript Operator Ladies and gentlemen, thank you for standing by and welcome to Allegiance Bancshares? Conference Call. A

November 9, 2021 425

FAQ

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 This filing relates to an employee communication concerning the proposed transaction between Allegiance Bancshares, Inc. (?Allegiance?) and CBTX, Inc. (?CBTX?) pursuant

November 8, 2021 425

Dear Valued Customer,

Filed by: Allegiance Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. (Commission File No.: 001-37585) Date: November 8, 2021 E-mail to Customers followed by the website landing page and FAQs referenced in the e-mail Dear Valued Customer, We have exc

November 8, 2021 425

Filed by: CBTX, Inc.

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 This filing relates to the proposed transaction between Allegiance Bancshares, Inc. (?Allegiance?) and CBTX, Inc. (?CBTX?) pursuant to the Agreement and Plan of Merger,

November 8, 2021 EX-99.2

Transformational Merger of Equals Creating a Premier Texas Franchise INVESTOR PRESENTATION November 8, 2021 Disclaimer FORWARD-LOOKING STATEMENTS Certain statements in this presentation which are not historical in nature are intended to be, and are h

Transformational Merger of Equals Creating a Premier Texas Franchise INVESTOR PRESENTATION November 8, 2021 Disclaimer FORWARD-LOOKING STATEMENTS Certain statements in this presentation 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.

November 8, 2021 8-K

Financial Statements and Exhibits, Other Events

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): November 8, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

November 8, 2021 EX-99.1

ALLEGIANCE BANCSHARES, INC. AND CBTX, INC. TO COMBINE TO CREATE A PREMIER TEXAS BANKING FRANCHISE

JOINT PRESS RELEASE Allegiance Bancshares, Inc. [email protected] CBTX, Inc. [email protected] ALLEGIANCE BANCSHARES, INC. AND CBTX, INC. TO COMBINE TO CREATE A PREMIER TEXAS BANKING FRANCHISE ?Merger of equals between the two largest community banks in a region dominated by large out-of-state banks and underserved by locally-based community banks ?Combination of complementary platforms and

November 8, 2021 425

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): November 8, 2021 (November 5, 202

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): November 8, 2021 (November 5, 2021) CBTX, Inc. (Exact name of registrant as specified in its charter) Texas 001-38280 20-8339782 (State or other jurisdiction of (Commission File Numbe

November 8, 2021 425

Filed by: CBTX, Inc.

Filed by: CBTX, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Allegiance Bancshares, Inc. Commission File No.: 001-37585 This filing relates to the proposed transaction between Allegiance Bancshares, Inc. (?Allegiance?) and CBTX, Inc. (?CBTX?) pursuant to the Agreement and Plan of Merger,

October 28, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2021 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-3758

October 28, 2021 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS STRONG RESULTS FOR THE THIRD QUARTER 2021

EX-99.1 2 abtx-20211028xex991.htm EX-99.1 Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS STRONG RESULTS FOR THE THIRD QUARTER 2021 •Net income and diluted earnings per share of $19.1 million and $0.93 for the third quarter 2021, respectively, and $60.0 million and $2.9

October 28, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 28, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

October 28, 2021 EX-99.2

Fixed Income Investor Presentation September 2019[Month] [Day], 2019Third Quarter 2021 Investor Presentation cshares, Inc. Exhibit 99.2 2 “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains f

Fixed Income Investor Presentation September 2019[Month] [Day], 2019Third Quarter 2021 Investor Presentation cshares, Inc.

July 29, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 29, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

July 29, 2021 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains forward-looking statements within the meaning of the securities laws that are derived utilizing assumptions, present expectations, estimate

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 Second Quarter 2021 Investor Presentation cshares, Inc.

July 29, 2021 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS RECORD RESULTS FOR THE SECOND QUARTER 2021

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS RECORD RESULTS FOR THE SECOND QUARTER 2021 ? Record net income and diluted earnings per share of $22.9 million and $1.12 for the second quarter 2021, respectively, and $40.9 million and $2.01 for the six months ended June

July 29, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshares

April 29, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 29, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 29, 2021 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains forward-looking statements within the meaning of the securities laws that are derived utilizing assumptions, present expectations, estimate

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 First Quarter 2021 Earnings Presentation cshares, Inc.

April 29, 2021 10-Q

Quarterly Report - ABTX 1ST QUARTER 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshare

April 29, 2021 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2021 RECORD RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2021 RECORD RESULTS ? Record net income and diluted earnings per share of $18.0 million and $0.89, respectively ? Funded in excess of $1.04 billion in loans over the last year within the Small Business Admini

April 23, 2021 8-K

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

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): April 22, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 23, 2021 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES NEW DIRECTOR, DECLARATION OF DIVIDEND AND SHARE REPURCHASE AUTHORIZATION

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES NEW DIRECTOR, DECLARATION OF DIVIDEND AND SHARE REPURCHASE AUTHORIZATION HOUSTON, Texas, April 23, 2021 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (?Allegiance?), the holding company of Allegiance Bank, announced the addition of Mr. Raimund

March 10, 2021 EX-21.1

Subsidiaries of Allegiance Bancshares, Inc.

Exhibit 21.1 ALLEGIANCE BANCSHARES, INC. LIST OF SUBSIDIARIES AS OF MARCH 10, 2021 Direct Subsidiaries Jurisdiction of Organization Parent Entity Allegiance Bank Texas Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust II Delaware Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust III Delaware Allegiance Bancshares, Inc. Indirect Subsidiaries Jurisdiction of Organization Pare

March 10, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

March 10, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ?ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2020 OR ?TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshares, Inc.

March 10, 2021 EX-4.2

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Allegiance Bancshares, Inc. has one class of securities registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended: its common stock, par value $1.00 per share (the ?common stock?). As used in this exhibit, the terms ?Allegiance,? ?the Company,?

March 10, 2021 DEF 14A

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Allegiance Bancshares Inc. Title of Class of Securities: Common Stock CUSIP Number: 01748H107 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is f

January 29, 2021 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES THE APPPOINTMENT OF JON-AL DUPLANTIER AS DIRECTOR

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. ANNOUNCES THE APPPOINTMENT OF JON-AL DUPLANTIER AS DIRECTOR HOUSTON, Texas, January 29, 2021 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, announced the addition of Jon-Al Dup

January 29, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

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): January 28, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

January 28, 2021 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS FOURTH QUARTER AND FULL YEAR 2020 RESULTS

EX-99.1 2 abtx-ex99126.htm EX-99.1 Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS FOURTH QUARTER AND FULL YEAR 2020 RESULTS • Asset growth of 21.2% to $6.05 billion as of December 31, 2020 from $4.99 billion as of December 31, 2019 • Net income of $15.9 million and dil

January 28, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

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): January 28, 2021 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

January 28, 2021 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains forward-looking statements within the meaning of the securities laws that are derived utilizing assumptions, present expectations, estimate

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 Year-End 2020 Earnings Presentation cshares, Inc.

November 6, 2020 10-Q

Quarterly Report - ABTX 3RD QUARTER 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancs

October 29, 2020 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains forward-looking statements within the meaning of the securities laws that are derived utilizing assumptions, present expectations, estimate

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 Third Quarter 2020 Earnings Presentation cshares, Inc.

October 29, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

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): October 29, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

October 29, 2020 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS THIRD QUARTER 2020 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS THIRD QUARTER 2020 RESULTS • Record net income of $16.2 million and diluted earnings per share of $0.79, representing 34.2% net income growth and 38.6% diluted earnings per share growth from the third quarter of 2019 • Net

September 9, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits - 8-K

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 8, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

September 9, 2020 EX-99.1

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains forward-looking statements within the meaning of the securities laws that are derived utilizing assumptions, present expectations, estimate

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 September 2020 Investor Presentation Update cshares, Inc.

July 31, 2020 10-Q

Quarterly Report - ABTX 2ND QUARTER 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshares

July 30, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 30, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) Texas 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

July 30, 2020 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains forward-looking statements within the meaning of the securities laws that are derived utilizing assumptions, present expectations, estimate

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 Second Quarter 2020 Earnings Presentation cshares, Inc.

July 30, 2020 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2020 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2020 RESULTS • Record net interest income of $50.8 million, representing 12.9% growth from the first quarter of 2020 • Funded over 5,800 loans totaling in excess of $695 million within the Small Business Adm

May 1, 2020 10-Q

Quarterly Report - ABTX 1ST QUARTER 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshare

April 30, 2020 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation contains forward-looking statements within the meaning of the securities laws that are derived utilizing assumptions, present expectations, estimate

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 First Quarter 2020 Earnings Presentation cshares, Inc.

April 30, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 30, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 30, 2020 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2020 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2020 RESULTS • Promptly supported customers, employees and community with proactive response to the COVID-19 pandemic • Approved more than 3,500 loans in excess of $640 million within the Small Business Admin

April 24, 2020 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES NEW DIRECTORS AND DECLARATION OF DIVIDEND

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES NEW DIRECTORS AND DECLARATION OF DIVIDEND HOUSTON, Texas, April 24, 2020 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, announced the addition of Ms. Denise Castillo-Rhodes and Ms. Janet S

April 24, 2020 8-K

Other Events, Submission of Matters to a Vote of Security Holders

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): April 23, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 8, 2020 DEFA14A

ABTX / Allegiance Bancshares, Inc. DEFA14A - - DEFA14A - VIRTUAL MEETING NOTICE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

April 8, 2020 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

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): April 8, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

April 8, 2020 EX-99.1

ALLEGIANCE BANCSHARES, INC. TO HOLD VIRTUAL ANNUAL MEETING

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. TO HOLD VIRTUAL ANNUAL MEETING HOUSTON, April 8, 2020 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (the "Company"), the holding company of Allegiance Bank (the "Bank"), today announced that, due to the public health impact of the

March 13, 2020 DEFA14A

ABTX / Allegiance Bancshares, Inc. DEFA14A - - DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

March 13, 2020 DEF 14A

ABTX / Allegiance Bancshares, Inc. DEF 14A - - ABTX -- 2020 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

March 9, 2020 EX-21.1

Subsidiaries of Allegiance Bancshares, Inc.

Exhibit 21.1 ALLEGIANCE BANCSHARES, INC. LIST OF SUBSIDIARIES Direct Subsidiaries Jurisdiction of Organization Parent Entity Allegiance Bank Texas Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust II Delaware Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust III Delaware Allegiance Bancshares, Inc. Indirect Subsidiaries Jurisdiction of Organization Parent Entity ABTX Financ

March 9, 2020 10-K

ABTX / Allegiance Bancshares, Inc. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2019 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshares, Inc.

March 9, 2020 EX-4.2

Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 Allegiance Bancshares, Inc. has one class of securities registered pursuant to Section 12 of the Securities Exchange Act of 1934, as amended: its common stock, par value $1.00 per share (the “common stock”). As used in this exhibit, the terms “Allegiance,” “the Company,”

February 27, 2020 8-K

Financial Statements and Exhibits

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): February 27, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

February 27, 2020 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES STOCK REPURCHASE PROGRAM

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES STOCK REPURCHASE PROGRAM HOUSTON, Texas, February 27, 2020 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, today announced that its Board of Directors authorized a stock repurchase program

February 27, 2020 PRE 14A

ABTX / Allegiance Bancshares, Inc. PRE 14A - - PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

February 11, 2020 8-K

Current Report

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): February 7, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

February 11, 2020 SC 13G

ABTX / Allegiance Bancshares, Inc. / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Allegiance Bancshares Inc Title of Class of Securities: Common Stock CUSIP Number: 01748H107 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(b)

February 10, 2020 424B3

Debt Securities Common Stock Preferred Stock

PROSPECTUS Filed Pursuant to Rule 424(b)(3) Registration No. 333-236103 $225,000,000 Debt Securities Common Stock Preferred Stock Warrants Units By this prospectus, Allegiance Bancshares, Inc. may offer from time to time debt securities of one or more series; shares of its common stock; shares of one or more series of its preferred stock; warrants to purchase our securities; and units of our secur

February 5, 2020 CORRESP

ABTX / Allegiance Bancshares, Inc. CORRESP - -

Allegiance Bancshares, Inc. 8847 W. Sam Houston Pkwy. N. Suite 200 Houston, Texas 77040 February 5, 2020 U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Mr. David Lin Re: Allegiance Bancshares, Inc. Registration Statement on Form S-3 (Registration No. 333-236103) Dear Mr. Lin: The undersigned, Allegiance Bancshares, Inc. (the “Company”), pursuant to Rul

February 4, 2020 EX-10.1

Change in Control Severance Plan (incorporated herein by reference to Exhibit 10.1 to the Company’s Form 8-K filed on February 4, 2020)

Exhibit 10.1 ALLEGIANCE BANCSHARES, INC. CHANGE IN CONTROL SEVERANCE PLAN Allegiance Bancshares, Inc. (the “Company”) hereby adopts the Allegiance Bancshares, Inc. Change in Control Severance Plan (the “Plan”), effective as of January 30, 2020 (the “Effective Date”), for the benefit of certain key employees of the Company Group (defined below), on the terms and conditions hereinafter stated. The P

February 4, 2020 8-K

Financial Statements and Exhibits

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): January 30, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

January 29, 2020 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important ass

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 Year-End 2019 Earnings Presentation cshares, Inc.

January 29, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): January 29, 2020 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

January 29, 2020 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS RECORD FOURTH QUARTER AND FULL YEAR 2019 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS RECORD FOURTH QUARTER AND FULL YEAR 2019 RESULTS • Record diluted earnings per share of $0.67 for the fourth quarter 2019 and $2.47 for the year 2019 • Deposit growth of $405.6 million, or 11.1%, for the year 2019 • Declar

January 27, 2020 S-3

ABTX / Allegiance Bancshares, Inc. S-3 - - FORM S-3

As filed with the Securities and Exchange Commission on January 27, 2020 Registration No.

January 27, 2020 EX-4

Form of Indenture for Senior Debt Securities.

Exhibit 4.3 ALLEGIANCE BANCSHARES, INC., Issuer to , Trustee SENIOR DEBT INDENTURE Dated as of , 20 Senior Debt Securities Reconciliation and tie between Trust Indenture Act of 1939 (the “Trust Indenture Act”) and Indenture Trust Indenture Act Section Indenture Section §310(a)(1) 608 (a)(2) 608 (b) 609 §311(a) 613 (b) 613 §312(a) 701 (b) 702 (c) 702 §313(a) 703 (b)(2) 703 (c) 703 (d) 703 §314(a) 7

January 27, 2020 EX-25

Form T-1 Statement of Eligibility under the Trust Indenture Act of 1939, as amended, of the Subordinated Indenture Trustee.

Exhibit 25.2 securities and exchange commission Washington, D.C. 20549 FORM T-1 Statement of Eligibility Under The Trust Indenture Act of 1939 of a Corporation Designated to Act as Trustee Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 31-0841368 I.R.S. Employer Identific

November 1, 2019 10-Q

ABTX / Allegiance Bancshares, Inc. 10-Q - Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancs

October 25, 2019 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS THIRD QUARTER 2019 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS THIRD QUARTER 2019 RESULTS HOUSTON, October 25, 2019 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) ("Allegiance"), the holding company of Allegiance Bank (the "Bank"), today reported net income of $12.0 million and diluted

October 25, 2019 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES EXECUTIVE LEADERSHIP TRANSITION

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. ANNOUNCES EXECUTIVE LEADERSHIP TRANSITION HOUSTON, Texas, October 25, 2019 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, today announced a plan of succession in which Steven F

October 25, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 25, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

October 25, 2019 EX-99.2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important ass

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 Third Quarter 2019 Earnings Presentation cshares, Inc.

October 25, 2019 8-K

Financial Statements and Exhibits

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): October 24, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

October 1, 2019 EX-4.1

Subordinated Debt Indenture, dated as of September 20, 2019, between Allegiance Bancshares, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on October 1, 2019)

Execution VersionExhibit 4.1 ALLEGIANCE BANCSHARES, INC., Issuer and U.S. Bank National Association, Trustee SUBORDINATED DEBT INDENTURE Dated as of September 20, 2019 Subordinated Debt Securities Reconciliation and tie between Trust Indenture Act of 1939 (the “Trust Indenture Act”) and Indenture Trust Indenture Act Section Indenture Section §310(a)(1) 608 (a)(2) 608 (b) 609 §311(a) 613 (b) 613 §3

October 1, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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 27, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

October 1, 2019 EX-4.2

First Supplemental Indenture, dated as of September 27, 2019, between Allegiance Bancshares, Inc. and U.S. Bank National Association, as trustee (incorporated herein by reference to Exhibit 4.2 to the Company’s Form 8-K filed on October 1, 2019)

Execution VersionExhibit 4.2 #6042169.6 ALLEGIANCE BANCSHARES, INC. FIRST SUPPLEMENTAL INDENTURE Dated as of September 27, 2019 to the Indenture Dated as of September 20, 2019 4.70% Fixed-to-Floating Rate Subordinated Notes due 2029 U.S. BANK NATIONAL ASSOCIATION as Trustee TABLE OF CONTENTS Page Article 1. SCOPE OF FIRST SUPPLEMENTAL INDENTURE 2 Section 1.1. Scope2 Article 2. DEFINITIONS 2 Sectio

September 24, 2019 8-K

Financial Statements and Exhibits

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 20, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

September 24, 2019 EX-1.1

underwriters party thereto (incorporated herein by reference to Exhibit 1.1 of the Company’s 8-K filed on September 24, 2019)

Execution Version $60,000,000 Allegiance Bancshares, Inc. 4.70% Fixed-to-Floating Rate Subordinated Notes due October 1, 2029 UNDERWRITING AGREEMENT September 20, 2019 Keefe, Bruyette & Woods, Inc. 787 Seventh Avenue, 4th Floor New York, New York 10019 As representative of the Underwriters listed in Schedule A hereto Ladies and Gentlemen: Allegiance Bancshares, Inc., a Texas corporation (the “Comp

September 23, 2019 424B5

4.70% Fixed-to-Floating Rate Subordinated Notes due October 1, 2029

Filed Pursuant to Rule 424(b)(5) Registration No. 333-215610 Prospectus Supplement (To Prospectus dated January 18, 2017) $60,000,000 4.70% Fixed-to-Floating Rate Subordinated Notes due October 1, 2029 We are offering $60.0 million aggregate principal amount of our 4.70% Fixed-to-Floating Rate Subordinated Notes due October 1, 2029, referred to herein as the “Notes.” The Notes will mature on Octob

September 20, 2019 FWP

Allegiance Bancshares, Inc. 4.70% Fixed-to-Floating Rate Subordinated Notes due October 1, 2029 PRICING TERM SHEET

Filed Pursuant to Rule 433 Issuer Free Writing Prospectus dated September 20, 2019 Registration No.

September 20, 2019 EX-99.1

Forward-Looking Statements This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections

Fixed Income Investor Presentation September 2019 Fixed Income Investor Presentation [Month] [Day], 2019 Fixed Income Investor Presentation September 20, 2019 cshares, Inc.

September 20, 2019 8-K

Financial Statements and Exhibits, Other Events

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 20, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

September 20, 2019 424B5

Subject to Completion DATED SEPTEMBER 20, 2019

Filed Pursuant to Rule 424(b)(5) Registration No. 333-215610 The information contained in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell the securities and are not soliciting an offer to buy the securities in any jurisdiction where the offer or sale is not permitted. Subject

September 11, 2019 8-K

Current Report

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 11, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

August 1, 2019 EX-10.2

Purchase Agreement for Real Property at 8807 W. Sam Houston Parkway., Houston, Texas 77040

Exhibit 10.2 TEXAS ASSOCIATION OF REALTORS® COMMERCIAL CONTRACT - IMPROVED PROPERTY USE OF THIS FORM BY PERSONS WHO ARE NOT MEMBERS OF THE TEXAS ASSOCIATION OF REALTORS® IS NOT AUTHORIZED. ©Texas Association of REALTORS®, Inc. 2018 1. PARTIES: Seller agrees to sell and convey to Buyer the Property described in Paragraph 2. Buyer agrees to buy the Property from Seller for the sales price stated in

August 1, 2019 EX-3.1

Amended and Restated Certificate of Formation of Allegiance Bancshares, Inc. (incorporated herein by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed on August 1, 2019)

Exhibit 3.1 RESTATED CERTIFICATE OF FORMATION (WITH AMENDMENTS) OF Allegiance Bancshares, Inc. Allegiance Bancshares, Inc. (the “Corporation”), pursuant to the provisions of Sections 3.051, 3.057, 3.059 and 21.056 of the Texas Business Organizations Code (the “TBOC”), hereby adopts this Restated Certificate of Formation (with Amendments) (the “Restated Certificate”), which accurately states the Co

August 1, 2019 EX-10.1

Purchase Agreement for Real Property at 8727 W. Sam Houston Parkway., Houston, Texas 77040

Exhibit 10.1 TEXAS ASSOCIATION OF REALTORS® COMMERCIAL CONTRACT - IMPROVED PROPERTY USE OF THIS FORM BY PERSONS WHO ARE NOT MEMBERS OF THE TEXAS ASSOCIATION OF REALTORS® IS NOT AUTHORIZED. ©Texas Association of REALTORS®, Inc. 2018 1. PARTIES: Seller agrees to sell and convey to Buyer the Property described in Paragraph 2. Buyer agrees to buy the Property from Seller for the sales price stated in

August 1, 2019 10-Q

August 1, 2019

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshares

July 26, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): July 26, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

July 26, 2019 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2019 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2019 RESULTS • Record earnings of $14.2 million and diluted earnings per share of $0.66 for the second quarter 2019 • Net interest margin increased to 4.33% for the second quarter 2019 from 4.31% for the fir

July 26, 2019 EX-99.2

Second Quarter 2019 Earnings Presentation

Second Quarter 2019 Earnings Presentation Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance.

July 26, 2019 8-K

Financial Statements and Exhibits

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): July 26, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

July 26, 2019 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES STOCK REPURCHASE PROGRAM

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES STOCK REPURCHASE PROGRAM HOUSTON, Texas, July 26, 2019 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, today announced that its Board of Directors authorized a stock repurchase program on J

May 6, 2019 EX-3.1

Amended and Restated Certificate of Formation of Allegiance Bancshares, Inc. (incorporated herein by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed on August 1, 2019)

Exhibit 3.1 RESTATED CERTIFICATE OF FORMATION (WITH AMENDMENTS) OF Allegiance Bancshares, Inc. Allegiance Bancshares, Inc. (the “Corporation”), pursuant to the provisions of Sections 3.051, 3.057, 3.059 and 21.056 of the Texas Business Organizations Code (the “TBOC”), hereby adopts this Restated Certificate of Formation (with Amendments) (the “Restated Certificate”), which accurately states the Co

May 6, 2019 10-Q

May 6, 2019

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED March 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshare

April 30, 2019 EX-99.1

Allegiance Bancshares, Inc. 2019 Amended and Restated Stock Awards and Incentive Plan

Exhibit 99.1 ALLEGIANCE BANCSHARES, INC. 2019 AMENDED AND RESTATED STOCK AWARDS AND INCENTIVE PLAN Allegiance Bancshares, Inc., a Texas corporation (the "Company"), assumed all obligations under the Allegiance Bank Texas 2008 Stock Awards and Incentive Plan ("Bank Plan") pursuant to the Agreement and Plan of Merger, dated April 30, 2008, between Allegiance Bank Texas, a Texas banking association (

April 30, 2019 S-8

ABTX / Allegiance Bancshares, Inc. S-8 S-8 2019 AMENDED AND RESTATED STOCK AWARDS AND INCENTIVE PLAN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Allegiance Bancshares, Inc. (Exact name of registrant as specified in its charter) Texas (State or Other Jurisdiction of Incorporation or Organization) 26-3564100 (I.R.S. Employer Identification No.) 8847 West Sam Houston Parkway N., Suite 200 (Address of Princip

April 30, 2019 EX-99.4

Form of Restricted Stock Award Agreement for Non-Employee Director (incorporated by reference to Exhibit 99.4 to the Company's Form S-8 (Registration No. 333-231142))

Exhibit 99.4 ALLEGIANCE BANCSHARES, INC. RESTRICTED STOCK AWARD AGREEMENT (Non-Employee Director) This Restricted Stock Award Agreement (this “Agreement”) is made and entered into as of [●] (the “Grant Date”) by and between Allegiance Bancshares, Inc., a Texas corporation (the “Company”), and [●] (the “Grantee”). WHEREAS, the Company has adopted the Allegiance Bancshares, Inc. 2019 Amended and Res

April 30, 2019 EX-99.2

Form of Restricted Stock Award Agreement (incorporated by reference to Exhibit 99.2 to the Company's Form S-8 (Registration No. 333-231142))

Exhibit 99.2 ALLEGIANCE BANCSHARES, INC. RESTRICTED STOCK AWARD AGREEMENT This Restricted Stock Award Agreement (this “Agreement”) is made and entered into as of [●] (the “Grant Date”) by and between Allegiance Bancshares, Inc., a Texas corporation (the “Company”), and [●] (the “Grantee”). WHEREAS, the Company has adopted the Allegiance Bancshares, Inc. 2019 Amended and Restated Stock Awards and I

April 30, 2019 EX-99.3

Form of Performance Share Unit Agreement (incorporated by reference to Exhibit 99.3 to the Company's Form S-8 (Registration No. 333-231142))

Exhibit 99.3 Allegiance Bancshares, Inc. Performance Share Unit Agreement This Performance Share Unit Agreement (this “Agreement”) is made and entered into as of [●] (the “Grant Date”) by and between Allegiance Bancshares, Inc., a Texas corporation (the “Company”), and [●] (the “Grantee”). WHEREAS, the Company has adopted the Allegiance Bancshares, Inc. 2019 Amended and Restated Stock Awards and I

April 30, 2019 S-8

ABTX / Allegiance Bancshares, Inc. S-8 S-8

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Allegiance Bancshares, Inc. (Exact name of registrant as specified in its charter) Texas (State or Other Jurisdiction of Incorporation or Organization) 26-3564100 (I.R.S. Employer Identification No.) 8847 West Sam Houston Parkway N., Suite 200 (Address of Princip

April 30, 2019 EX-99.1

Allegiance Bancshares, Inc. 2019 Amended and Restated Employee Stock Purchase Plan

Exhibit 99.1 ALLEGIANCE BANCSHARES, INC. 2019 AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN Allegiance Bancshares, Inc., a Texas corporation (the "Company"), adopted and subsequently amended the Allegiance Bancshares, Inc. Employee Stock Purchase Plan, effective as of November 15, 2011 (the “2011 Plan”). The 2011 Plan was amended and restated by the Board as the Allegiance Bancshares, Inc. 201

April 30, 2019 EX-10.1

Allegiance Bancshares, Inc. 2019 Amended and Restated Stock Awards and Incentive Plan (incorporated by reference to Exhibit 10.1 to the Allegiance’s Current Report on Form 8-K filed on April 30, 2019 (Commission File No. 001-37585))

Exhibit 10.1 ALLEGIANCE BANCSHARES, INC. 2019 AMENDED AND RESTATED STOCK AWARDS AND INCENTIVE PLAN Allegiance Bancshares, Inc., a Texas corporation (the "Company"), assumed all obligations under the Allegiance Bank Texas 2008 Stock Awards and Incentive Plan ("Bank Plan") pursuant to the Agreement and Plan of Merger, dated April 30, 2008, between Allegiance Bank Texas, a Texas banking association (

April 30, 2019 EX-10.2

Allegiance Bancshares, Inc. 2019 Amended and Restated Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.2 to the Company’s Current Report on Form 8-K filed on April 30, 2019)

Exhibit 10.2 ALLEGIANCE BANCSHARES, INC. 2019 AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN Allegiance Bancshares, Inc., a Texas corporation (the "Company"), adopted and subsequently amended the Allegiance Bancshares, Inc. Employee Stock Purchase Plan, effective as of November 15, 2011 (the “2011 Plan”). The 2011 Plan was amended and restated by the Board as the Allegiance Bancshares, Inc. 201

April 30, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

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): April 25, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 26, 2019 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2019 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2019 RESULTS • Net income increased 64.4% to $12.7 million for the first quarter 2019 compared to $7.7 million for the first quarter 2018 • Completed the LoweryBank branch acquisition in Sugar Land, Texas wit

April 26, 2019 EX-99.2

First Quarter 2019 Earnings Presentation

First Quarter 2019 Earnings Presentation Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance.

April 26, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 26, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

March 15, 2019 DEFA14A

ABTX / Allegiance Bancshares, Inc. DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

March 15, 2019 DEF 14A

ABTX / Allegiance Bancshares, Inc. DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defin

March 11, 2019 10-K

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2018 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshares, Inc.

March 11, 2019 EX-21.1

Subsidiaries of Allegiance Bancshares, Inc.

Exhibit 21.1 ALLEGIANCE BANCSHARES, INC. LIST OF SUBSIDIARIES Direct Subsidiaries Jurisdiction of Organization Parent Entity Allegiance Bank Texas Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust II Delaware Allegiance Bancshares, Inc. Farmers & Merchants Capital Trust III Delaware Allegiance Bancshares, Inc. Indirect Subsidiaries Jurisdiction of Organization Parent Entity ABTX Financ

February 4, 2019 8-K

Financial Statements and Exhibits

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): February 4, 2019 Allegiance Bancshares, Inc. (Exact name of Registrant as specified in its charter) Texas 001-37585 26-3564100 (State or other jurisdiction of incorporation or organiz

February 4, 2019 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES COMPLETION OF BRANCH ACQUISITION

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES COMPLETION OF BRANCH ACQUISITION HOUSTON, Texas, February 4, 2019 - Allegiance Bank, the wholly owned subsidiary of Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), has completed the previously announced purchase of LoweryBank, the

January 29, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

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): January 24, 2019 Allegiance Bancshares, Inc. (Exact name of Registrant as specified in its charter) Texas 001-37585 26-3564100 (State or other jurisdiction of incorporation or organiz

January 29, 2019 EX-10.1

Allegiance Bancshares, Inc. Annual Incentive Plan (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on January 29, 2019)

Exhibit 10.1 ALLEGIANCE BANCSHARES, INC. ANNUAL INCENTIVE PLAN 1.Purpose. 1.1Purpose. The purpose of the Allegiance Bancshares, Inc. Annual Incentive Plan (the "Plan") is to motivate and reward eligible employees by making a portion of their cash compensation dependent on the achievement of certain corporate, business unit and individual performance goals. 1.2Effective Date. The Plan is effective

January 25, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): January 25, 2019 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

January 25, 2019 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS RECORD YEAR-END 2018 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS RECORD YEAR-END 2018 RESULTS • Total assets of $4.66 billion after the completion of the acquisition of Post Oak Bancshares, Inc. on October 1, 2018 • Record earnings of $37.3 million and diluted earnings per common share

January 25, 2019 EX-99.2

Fourth Quarter 2018 Earnings Presentation

Fourth Quarter 2018 Earnings Presentation Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance.

December 31, 2018 EX-10.1

Amendment No. 1 to Credit Agreement, dated as of December 28, 2018, by and among Allegiance Bancshares, Inc. and Prosperity Bank (incorporated by reference to Exhibit 10.1 to the Company’s Current Report on Form 8-K filed on December 31, 2018)

Exhibit 10.1 AMENDMENT NO. 1 Dated as of December 28, 2018 to CREDIT AGREEMENT Dated as of December 22, 2014 THIS AMENDMENT NO. 1 (this "Amendment") is made as of December 28, 2018 among Allegiance Bancshares, Inc., a Texas corporation (the "Borrower"), and Prosperity Bank, a Texas banking association (the "Lender"), under that certain Credit Agreement dated as of December 22, 2014 by and among th

December 31, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

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): December 28, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

November 26, 2018 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES HOUSTON FOOTPRINT EXPANSION

PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES HOUSTON FOOTPRINT EXPANSION HOUSTON, Texas, November 26, 2018 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, today announced that it will expand its presence in the Houston-area market with the signing

November 26, 2018 8-K

Financial Statements and Exhibits, Other Events

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): November 26, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

November 1, 2018 S-8

ABTX / Allegiance Bancshares, Inc. S-8

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Allegiance Bancshares, Inc. (Exact name of registrant as specified in its charter) Texas (State or Other Jurisdiction of Incorporation or Organization) 26-3564100 (I.R.S. Employer Identification No.) 8847 West Sam Houston Parkway N., Suite 200 (Address of Princip

November 1, 2018 EX-4.7

Form of Amendment to the Post Oak Bancshares, Inc. Incentive Stock Option Agreement

Exhibit 4.7 AMENDMENT TO THE POST OAK BANCSHARES, INC. INCENTIVE STOCK OPTION AGREEMENT This Amendment (this “Amendment”) to the Post Oak Bancshares, Inc. 2004 Incentive Stock Option Agreement (the “Agreement”), dated [●], by and between Post Oak Bancshares, Inc. (the “Company”) and [●] (“Optionee”), is made effective as of the 1st day of October 2018. W I T N E S S E T H: WHEREAS, the Company ado

November 1, 2018 EX-4.8

Form of Post Oak Bancshares, Inc. Nonqualified Stock Option Agreement

Exhibit 4.8 POST OAK BANCSHARES, INC. NONQUALIFIED STOCK OPTION AGREEMENT This Nonqualified Stock Option Agreement (“Option Agreement”) is between Post Oak Bancshares, Inc., (the “Company”), and (the “Optionee”), who agree as follows: 1.Introduction. The Company has heretofore adopted the Post Oak Bancshares, Inc. Stock Option Plan (the “Plan”) for the purpose of encouraging ownership of common st

November 1, 2018 EX-4.6

Form of Post Oak Bancshares, Inc. Incentive Stock Option Agreement

Exhibit 4.6 POST OAK BANCSHARES, INC. INCENTIVE STOCK OPTION AGREEMENT This Incentive Stock Option Agreement ("Option Agreement") is between Post Oak Bancshares, Inc., a Texas corporation, (the "Company"), and ("Optionee"), who agree as follows: 1.Introduction. The Company heretofore adopted the Post Oak Bank, National Association 2004 Stock Option Plan (the "Plan") for the purpose of providing em

November 1, 2018 EX-4.5

Amendment to the Post Oak Bancshares, Inc. Stock Option Plan, as amended, dated September 19, 2018, (incorporated by reference to Allegiance’s Exhibit 4.5 to Form S-8 filed with the SEC on November 1, 2018 (Commission File No. 333-228119))

Exhibit 4.5 AMENDMENT TO THE POST OAK BANCSHARES, INC. STOCK OPTION PLAN, AS AMENDED This Amendment (this “Amendment”) to the Post Oak Bancshares, Inc. 2004 Stock Option Plan (the “Plan”) is made effective as of the 19th day of September 2018. W I T N E S S E T H: WHEREAS, Post Oak Bancshares, Inc. (the “Company”) currently maintains the Plan; WHEREAS, the Company desires to provide its option hol

November 1, 2018 EX-4.4

Amendment to the Post Oak Bancshares, Inc. Stock Option Plan, dated March 17, 2016

Exhibit 4.4 AMENDMENT TO THE POST OAK BANCSHARES, INC. STOCK OPTION PLAN W I T N E S S E T H: WHEREAS, Post Oak Bancshares, Inc. (the "Company") presently maintains the Post Oak Bancshares, Inc. Stock Option Plan (the "Plan"); and WHEREAS, the Company, pursuant to Section 7 of the Plan, has the right to amend the Plan from time to time subject to certain limitations. NOW, THEREFORE, in order to in

November 1, 2018 EX-4.3

Amendment to the Post Oak Bancshares, Inc. Stock Option Plan, dated March 17, 2011, (incorporated by reference to Allegiance’s Exhibit 4.3 to Form S-8 filed with the SEC on November 1, 2018 (Commission File No. 333-228119))

Exhibit 4.3 AMENDMENT TO THE POST OAK BANCSHARES, INC. STOCK OPTION PLAN W I T N E S S E T H: WHEREAS, Post Oak Bancshares, Inc. (the "Company") presently maintains the Post Oak Bancshares, Inc. Stock Option Plan (the "Plan"); and WHEREAS, the Company, pursuant to Section 7 of the Plan, has the right to amend the Plan from time to time subject to certain limitations. NOW, THEREFORE, in order to in

November 1, 2018 EX-4.2

Post Oak Bancshares, Inc. Stock Option Plan

Exhibit 4.2 POST OAK BANCSHARES, INC. STOCK OPTION PLAN SECTION 1. Purpose of the Plan. The purpose of the Post Oak Bancshares, Inc. Stock Option Plan (''Plan") is to encourage ownership of common stock, $0.01 par value ("Common Stock"), of Post Oak Bancshares, Inc. (the "Company"), by key employees, directors, advisory directors and other service providers of the Company and its Affiliates (as de

November 1, 2018 EX-4.9

Form of Amendment to the Post Oak Bancshares, Inc. Nonqualified Stock Option Agreement

Exhibit 4.9 AMENDMENT TO THE POST OAK BANCSHARES, INC. NONQUALIFIED STOCK OPTION AGREEMENT This Amendment (this “Amendment”) to the Post Oak Bancshares, Inc. 2004 Nonqualified Stock Option Agreement (the “Agreement”), dated [●], by and between Post Oak Bancshares, Inc. (the “Company”) and [●] (“Optionee”), is made effective as of the1st day of October 2018. W I T N E S S E T H: WHEREAS, the Compan

November 1, 2018 10-Q

ABTX / Allegiance Bancshares, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancs

November 1, 2018 EX-3.1

Amended and Restated Certificate of Formation of Allegiance Bancshares, Inc.

Exhibit 3.1 RESTATED CERTIFICATE OF FORMATION (WITH AMENDMENTS) OF Allegiance Bancshares, Inc. Allegiance Bancshares, Inc. (the “Corporation”), pursuant to the provisions of Sections 3.051, 3.057, 3.059 and 21.056 of the Texas Business Organizations Code (the “TBOC”), hereby adopts this Restated Certificate of Formation (with Amendments) (the “Restated Certificate”), which accurately states the Co

October 25, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): October 25, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission F

October 25, 2018 EX-99.2

Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived u

Third Quarter 2018 Earnings Presentation Exhibit 99.2 Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance

October 25, 2018 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS RECORD THIRD QUARTER 2018 RESULTS

Exhibit 99.1 PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS RECORD THIRD QUARTER 2018 RESULTS • Record earnings of $8.9 million and diluted earnings per common share of $0.65 for the third quarter 2018 • Core loan growth of $274.1 million year over year, or 12.9%, and $84.9 million

October 1, 2018 EX-99.1

ALLEGIANCE BANCSHARES, INC. COMPLETES ACQUISITION OF POST OAK BANCSHARES, INC. AND ANNOUNCES STOCK REPURCHASE PROGRAM

PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. COMPLETES ACQUISITION OF POST OAK BANCSHARES, INC. AND ANNOUNCES STOCK REPURCHASE PROGRAM HOUSTON, Texas, October 1, 2018 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, today announced the completion of the acqu

October 1, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events

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 28, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

September 17, 2018 8-K

ABTX / Allegiance Bancshares, Inc. 8-K (Current Report)

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, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission

September 12, 2018 DEFA14A

ABTX / Allegiance Bancshares, Inc. DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

August 3, 2018 DEFM14A

ABTX / Allegiance Bancshares, Inc. DEFM14A

DEFM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 3, 2018 424B3

PROPOSED MERGER AND SHARE ISSUANCE—YOUR VOTE IS VERY IMPORTANT

424B3 Table of Contents Index to Financial Statements Filed Pursuant to Rule 424(b)(3) Registration No.

August 3, 2018 10-Q

ABTX / Allegiance Bancshares, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshares

August 2, 2018 EX-99.4

Consent of Raymond James & Associates, Inc.

EX-99.4 Exhibit 99.4 Consent of Raymond James & Associates, Inc. We hereby consent to the inclusion of our opinion letter to the board of directors of Allegiance Bancshares, Inc. as Annex E to, and the description and summarization of the opinion letter in, the joint proxy statement/prospectus which forms a part of Amendment No. 1 to the Registration Statement on Form S-4 of Allegiance Bancshares,

August 2, 2018 EX-99.1

Form of proxy card for the Allegiance special meeting.

EX-99.1 Exhibit 99.1 IMPORTANT SPECIAL MEETING INFORMATION Electronic Voting Instructions Available 24 hours a day, 7 days a week! Instead of mailing your proxy, you may choose one of the voting methods outlined below to vote your proxy. VALIDATION DETAILS ARE LOCATED BELOW IN THE TITLE BAR. Proxies submitted by the Internet or telephone must be received by 1:00 a.m., Central Time, on September 14

August 2, 2018 EX-99.2

Form of proxy card for the Post Oak special meeting.

EX-99.2 Exhibit 99.2 Admission Ticket IMPORTANT SPECIAL MEETING INFORMATION Electronic Voting Instructions Available 24 hours a day, 7 days a week! Instead of mailing your proxy, you may choose one of the voting methods outlined below to vote your proxy. VALIDATION DETAILS ARE LOCATED BELOW IN THE TITLE BAR. Proxies submitted by the Internet or telephone must be received by 1:00 a.m., Central Time

August 2, 2018 EX-99.3

Consent of Performance Trust Capital Partners, LLC.

EX-99.3 Exhibit 99.3 August 2, 2018 Consent of Performance Trust Capital Partners, LLC Performance Trust Capital Partners, LLC hereby consents to the inclusion of our opinion letter to the board of directors of Post Oak Bancshares, Inc. as an Annex to, and the references to our firm and such opinion in, the proxy statement/prospectus that is part of Amendment No. 1 to the Registration Statement on

August 2, 2018 S-4/A

ABTX / Allegiance Bancshares, Inc. S-4/A

S-4/A Table of Contents As filed with the Securities and Exchange Commission on August 2, 2018 Registration No.

August 2, 2018 CORRESP

ABTX / Allegiance Bancshares, Inc. CORRESP

CORRESP Allegiance Bancshares, Inc. 8847 W. Sam Houston Pkwy. N. Suite 200 Houston, Texas 77040 August 2, 2018 U.S. Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Attention: Mr. David Lin Re: Allegiance Bancshares, Inc. Registration Statement on Form S-4 (Registration No. 333-225845) Dear Mr. Lin: The undersigned, Allegiance Bancshares, Inc. (the “Company”), pursuant

July 26, 2018 EX-99.2

Second Quarter 2018 Earnings Presentation Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws tha

secondquarter2018earning Second Quarter 2018 Earnings Presentation Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance.

July 26, 2018 8-K

ABTX / Allegiance Bancshares, Inc. 8-K (Current Report)

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): July 26, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission File

July 26, 2018 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2018 RESULTS

PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS SECOND QUARTER 2018 RESULTS • Core loan growth of $266.0 million, or 13.0%, year over year and $58.2 million, or 10.4% (annualized), for the second quarter 2018 compared to the linked quarter • Deposit growth of $214.5 million, or 10.2

June 22, 2018 S-4

ABTX / Allegiance Bancshares, Inc. S-4

S-4 Table of Contents As filed with the Securities and Exchange Commission on June 22, 2018 Registration No.

June 22, 2018 EX-99.4

Consent of Raymond James & Associates, Inc.

EX-99.4 Exhibit 99.4 Consent of Raymond James & Associates, Inc. We hereby consent to the inclusion of our opinion letter to the board of directors of Allegiance Bancshares, Inc. as Annex E to, and the description and summarization of the opinion letter in, the joint proxy statement/prospectus which forms a part of the Registration Statement on Form S-4 of Allegiance Bancshares, Inc., as filed wit

June 22, 2018 EX-99.5

Consent of Mr. Roland L. Williams (as director appointee).

EX-99.5 Exhibit 99.5 June 22, 2018 Consent of Person Named as About to Become Director Pursuant to Rule 438 promulgated under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent to my being named in the Registration Statement on Form S-4 of Allegiance Bancshares, Inc., and all amendments thereto (the “Registration Statement”), any prospectus filed pursuant to Rule 424 p

June 22, 2018 EX-99.3

Consent of Performance Trust Capital Partners, LLC.

EX-99.3 Exhibit 99.3 June 22, 2018 Consent of Performance Trust Capital Partners, LLC Performance Trust Capital Partners, LLC hereby consents to the inclusion of our opinion letter to the board of directors of Post Oak Bancshares, Inc. as an Annex to, and the references to our firm and such opinion in, the proxy statement/prospectus that is part of the Registration Statement on Form S-4 (the “Regi

June 22, 2018 EX-10.9

Employment Agreement of Roland L. Williams.

EX-10.9 Exhibit 10.9 EMPLOYMENT AGREEMENT This EMPLOYMENT AGREEMENT (the “Agreement”) is made the 30th day of April, 2018, by and among ALLEGIANCE BANK, a Texas banking association having a principal place of business at 8727 W. Sam Houston Parkway N., Houston, TX 77040 (“Employer”), POST OAK BANK, N.A., a national banking association having a principal place of business at 2000 West Loop South, S

May 8, 2018 10-Q

ABTX / Allegiance Bancshares, Inc. 10-Q (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 001-37585 Allegiance Bancshare

May 1, 2018 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES MERGER WITH POST OAK BANCSHARES, INC.

Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES MERGER WITH POST OAK BANCSHARES, INC. HOUSTON, April 30, 2018 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, today announced the signing of a definitive merger agreement with Post Oak Bancshares, Inc. (“Post Oak”),

May 1, 2018 425

ABTX / Allegiance Bancshares, Inc. 425 (Prospectus)

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): April 30, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

May 1, 2018 EX-99.2

Proposed Merger with Post Oak Bancshares, Inc. 2 Safe Harbor Statement and Additional Information Safe Harbor Statement This release may contain forward-looking statements within the meaning of the securities laws that are based on various facts and

mergerpresentationfinal Proposed Merger with Post Oak Bancshares, Inc. 2 Safe Harbor Statement and Additional Information Safe Harbor Statement This release may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance and its subsidiaries

May 1, 2018 EX-2.1

Agreement and Plan of Reorganization by and between Allegiance Bancshares, Inc. and Post Oak Bancshares, Inc. dated April 30, 2018

EXECUTION VERSION AGREEMENT AND PLAN OF REORGANIZATION by and between ALLEGIANCE BANCSHARES, INC.

May 1, 2018 8-K

Submission of Matters to a Vote of Security Holders

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): April 27, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 30, 2018 EX-99.2

Proposed Merger with Post Oak Bancshares, Inc. 2 Safe Harbor Statement and Additional Information Safe Harbor Statement This release may contain forward-looking statements within the meaning of the securities laws that are based on various facts and

mergerpresentationfinal Proposed Merger with Post Oak Bancshares, Inc. 2 Safe Harbor Statement and Additional Information Safe Harbor Statement This release may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance and its subsidiaries

April 30, 2018 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

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): April 30, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

April 30, 2018 EX-2.1

Agreement and Plan of Reorganization by and between Allegiance Bancshares, Inc. and Post Oak Bancshares, Inc. dated April 30, 2018 (incorporated herein by reference to Exhibit 2.1 to the Company's Form 8-K filed on May 1, 2018)

EXECUTION VERSION AGREEMENT AND PLAN OF REORGANIZATION by and between ALLEGIANCE BANCSHARES, INC.

April 30, 2018 EX-99.1

ALLEGIANCE BANCSHARES, INC. ANNOUNCES MERGER WITH POST OAK BANCSHARES, INC.

Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 ALLEGIANCE BANCSHARES, INC. ANNOUNCES MERGER WITH POST OAK BANCSHARES, INC. HOUSTON, April 30, 2018 - Allegiance Bancshares, Inc. (NASDAQ: ABTX) (“Allegiance”), the holding company of Allegiance Bank, today announced the signing of a definitive merger agreement with Post Oak Bancshares, Inc. (“Post Oak”),

April 26, 2018 EX-99.2

First Quarter 2018 Earnings Presentation 2 Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws th

investorpresentation1stq First Quarter 2018 Earnings Presentation 2 Safe Harbor Statement “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking statements within the meaning of the securities laws that are based on various facts and derived utilizing important assumptions, present expectations, estimates and projections about Allegiance.

April 26, 2018 EX-99.1

ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2018 RESULTS

PRESS RELEASE Allegiance Bancshares, Inc. 8847 West Sam Houston Parkway N., Suite 200 Houston, Texas 77040 [email protected] ALLEGIANCE BANCSHARES, INC. REPORTS FIRST QUARTER 2018 RESULTS • Net income increased 27.5% to $7.7 million and diluted earnings per share of $0.57 for the first quarter 2018 compared to $6.0 million and $0.45 for the first quarter 2017 • Core loan growth of $326.6 milli

April 26, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

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): April 26, 2018 Allegiance Bancshares, Inc. (Exact Name of Registrant as Specified in Charter) TEXAS 001-37585 26-3564100 (State or Other Jurisdiction of Incorporation) (Commission Fil

March 15, 2018 DEF 14A

ABTX / Allegiance Bancshares, Inc. DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ý Defin

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