USBI / United Security Bancshares, Inc. - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

United Security Bancshares, Inc.
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HINDI NA ACTIVE ANG SIMBONG ITO

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LEI 549300J2H2JYVXXP3J32
CIK 1137547
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 United Security Bancshares, Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 7, 2025 EX-10.15

FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This First Amendment to Employment Agreement ("Amendment") is made by and between United Security Bank, a California banking corporation (the "Bank"), having a principal place of business at 2126Inyo Street, Fr

saundersamendmenttoemplo FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This First Amendment to Employment Agreement ("Amendment") is made by and between United Security Bank, a California banking corporation (the "Bank"), having a principal place of business at 2126Inyo Street, Fresno, CA93721, and Porsche Saunders (ooExecutive"), to which united Security Bancshares is a party, with reference to the following.

August 7, 2025 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 ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2025 ☐ 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: 000-32897 UNIT

August 7, 2025 EX-3.3

1 BYLAWS, AMENDED OF UNITED SECURITY BANCSHARES ARTICLE I Offices Section 1.1. Principal Office. The principal executive office of the corporation is hereby located at such place as the board of directors (the Aboard@) shall determine. The board is h

bylawsamendedx03222011 1 BYLAWS, AMENDED OF UNITED SECURITY BANCSHARES ARTICLE I Offices Section 1.

July 17, 2025 8-K

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 July 17, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 July 17, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

July 17, 2025 EX-99

United Security Bancshares Condensed - Consolidated Balance Sheets (unaudited) (In thousands) June 30, 2025 March 31, 2025 December 31, 2024 September 30, 2024 June 30, 2024 Cash and cash equivalents $ 49,091 $ 37,894 $ 56,211 $ 47,915 $ 38,757 Inves

United Security Bancshares Reports 2nd Quarter Financial Results FRESNO, CA - July 17, 2025.

July 15, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2024 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 000-32987 A. Full title of the plan and the

July 1, 2025 NT 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☒ Form 11-K ☐ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: December 31, 2024 ☐Transition Report on Form 10-K ☐Transition Report on Form 20-F ☐Transition Report on Form 11-K ☐Transition Report on Form 10-Q For the Transition Period

June 26, 2025 EX-99

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, June 25, 2025 - On June 24, 2025, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

June 26, 2025 8-K

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 June 24, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 June 24, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 17, 2025 S-8 POS

As filed with the Securities and Exchange Commission June 16, 2025 Registration No. 333-288086 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST EFFECTIVE AMENDMENT NO. 1 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES

As filed with the Securities and Exchange Commission June 16, 2025 Registration No.

June 16, 2025 EX-FILING FEES

Filing Fee Table

Calculation of Filing Fee Tables S-8 UNITED SECURITY BANCSHARES Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, No Par Value 457(a) 1,200,000 $ 8.

June 16, 2025 S-8

As filed with the Securities and Exchange Commission June 16, 2025 Registration No. 333-_____ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 UNITED SECURITY BAN

As filed with the Securities and Exchange Commission June 16, 2025 Registration No.

June 4, 2025 EX-16.1

Securities and Exchange Commission Letter from Moss Adams dated June

June 4, 2025 U.S. Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Ladies and Gentlemen: We have read the statements made by United Security Bancshares included under Item 4.01 of its Current Report on Form 8-K dated June 4, 2025, to be filed with the Securities and Exchange Commission. We agree with the statements concerning our Firm contained therein. Sincerely, /s/ Moss

June 4, 2025 8-K

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 June 4, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact N

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 June 4, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

June 2, 2025 8-K/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 May 21, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 May 21, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Com

May 30, 2025 8-K

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 May 30, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact N

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 May 30, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 22, 2025 8-K

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 May 21, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact N

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 May 21, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 13, 2025 8-K

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 May 9, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Na

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 May 9, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 8, 2025 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2025 ☐ 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: 000-32897 UNITED SECURITY B

April 28, 2025 EX-99.1

United Security Bancshares Appoints Jay Gill as Vice Chairman

United Security Bancshares Appoints Jay Gill as Vice Chairman FRESNO, CA, April 28, 2025 - The Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), is proud to announce the appointment of Jay Gill as the Vice Chairman of the Company’s and Bank’s Boards of Directors effective immediately.

April 28, 2025 8-K

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 April 28, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 April 28, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 18, 2025 DEFA14A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

April 17, 2025 8-K

Results of Operations and Financial Condition

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 April 17, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 17, 2025 EX-99.1

United Security Bancshares Condensed - Consolidated Balance Sheets (unaudited) (In thousands) March 31, 2025 December 31, 2024 September 30, 2024 June 30, 2024 March 31, 2024 Cash and cash equivalents $ 37,894 $ 56,211 $ 47,915 $ 38,757 $ 43,004 Inve

United Security Bancshares Reports 1st Quarter Financial Results FRESNO, CA - April 17, 2025.

April 7, 2025 DEF 14A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

March 28, 2025 PRE 14A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ý Preliminary Proxy Statement ¨ Confidential, for Use of

March 26, 2025 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, March 26, 2025 - On March 25, 2025, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

March 26, 2025 8-K

Financial Statements and Exhibits, Other Events

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 March 25, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 20, 2025 EX-19.1

United Security Bancshares Confidentiality and Securities Trading (Insider Trading) Policy

Exhibit 19.1 United Security Bancshares Confidentiality and Securities Trading (Insider Trading) Policy Contents 1. Purpose 6 2. Scope 6 3. Key Definitions 6 4. Policy 7 4.1 Trading UBFO, Client, or Third-Party Securities While Aware of MNPI is Prohibited 8 4.2 Trading UBFO Securities and the Release of Quarterly Financial Information and Blackout Period 8 4.3 Restricted Individuals Who Trade or G

March 20, 2025 EX-10.13

EMPLOYMENT AGREEMENT

EMPLOYMENT AGREEMENT This Employment Agreement (this “Agreement”) is made on this 27th day of February 2024, between United Security Bank, a California banking corporation (the “Bank”), having a principal place of business at 2126 Inyo Street, Fresno, CA 93721, and Porsche Saunders (“Executive”), to which United Security Bancshares is a party, with reference to the following: RECITALS WHEREAS, the

March 20, 2025 EX-21.1

Subsidiaries of the Company (United Security Bancshares)

Exhibit 21.1 Subsidiaries of the Company (United Security Bancshares) 1) United Security Bank – incorporated in the State of California

March 20, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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, 2024. ☐ 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: 000-32987 UNITED SECURITY BANCSHARE

March 20, 2025 EX-10.14

CHANGE IN CONTROL AGREEMENT

CHANGE IN CONTROL AGREEMENT This Change in Control Agreement (this “Agreement”) is made this 24th day of October, 2017, by and between United Security Bancshares (the “Company”), a California corporation, and Porsche Saunders (“Executive”), an individual residing in the state of California, with reference to the following: RECITAL WHEREAS, it is in the best interests of the Company and Executive f

January 27, 2025 EX-99.1

United Security Bancshares Condensed - Consolidated Balance Sheets (unaudited) (In thousands) December 31, 2024 September 30, 2024 June 30, 2024 March 31, 2024 December 31, 2023 Cash and cash equivalents $ 56,211 $ 47,915 $ 38,757 $ 43,004 $ 40,784 I

United Security Bancshares Reports 2024 Net Income of $14.8 Million FRESNO, CA - January 27, 2025. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the year ended December 31, 2024. The Company reported net income of $14.8 million, or $0.86 per basic and diluted share, for the year ended December 31, 2024, compared to $19.8 million, or $1.16 per basic a

January 27, 2025 8-K

Results of Operations and Financial Condition

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 January 27, 2025 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

December 18, 2024 8-K

Financial Statements and Exhibits, Other Events

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 December 17, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

December 18, 2024 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, December 18, 2024 - On December 17, 2024, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

November 6, 2024 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A (Amendment No. 1) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2023. ☐ 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: 000-32987 UNITE

November 6, 2024 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2024 ☐ 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: 000-32897 UNITED SECURI

October 31, 2024 SC 13G

UBFO / United Security Bancshares / DIMENSIONAL FUND ADVISORS LP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* United Security Bancshares/Fresno CA (Name of Issuer) Common Stock (Title of Class of Securities) 911460103 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

October 18, 2024 EX-99.1

United Security Bancshares Condensed - Consolidated Balance Sheets (unaudited) (In thousands) September 30, 2024 June 30, 2024 March 31, 2024 December 31, 2023 September 30, 2023 Cash and cash equivalents $ 47,915 $ 38,757 $ 43,004 $ 40,784 $ 35,297

United Security Bancshares Reports 3rd Quarter Financial Results FRESNO, CA - October 18, 2024.

October 18, 2024 8-K

Results of Operations and Financial Condition

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 October 18, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

August 2, 2024 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2024 ☐ 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: 000-32897 UNITED SECURITY BA

July 30, 2024 SC 13D/A

UBFO / United Security Bancshares / GILL JAGROOP - SC 13D/A Activist Investment

SC 13D/A 1 sched13damendno1jaygill.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) (Amendment No. 1)* United Security Bancshares (Name of Issuer) Common Stock (Title of Class of Securities) 911460103 (CUSIP Number) Kenneth E. Moore, Esq. Stuart | Moore | Staub 641 Higuera Street, Suite 302 San Luis Obispo, CA 93401 (805) 545-8590 (Na

July 18, 2024 EX-99.1

United Security Bancshares Condensed - Consolidated Balance Sheets (unaudited) (In thousands) June 30, 2024 March 31, 2024 December 31, 2023 September 30, 2023 June 30, 2023 Cash and cash equivalents $ 38,757 $ 43,004 $ 40,784 $ 35,297 $ 58,403 Inves

United Security Bancshares Reports 2nd Quarter Financial Results FRESNO, CA - July 18, 2024.

July 18, 2024 8-K

Results of Operations and Financial Condition

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 July 18, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

July 1, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2023 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 000-32987 A. Full title of the plan and the

June 26, 2024 EX-99

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, June 26, 2024 - On June 25, 2024, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

June 26, 2024 8-K

Financial Statements and Exhibits, Other Events

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 June 25, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

May 17, 2024 8-K

Submission of Matters to a Vote of Security Holders

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 May 15, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 9, 2024 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2024 ☐ 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: 000-32897 UNITED SECURITY B

April 18, 2024 EX-99.1

United Security Bancshares Condensed - Consolidated Balance Sheets (unaudited) (In thousands) March 31, 2024 December 31, 2023 September 30, 2023 June 30, 2023 March 31, 2023 Cash and cash equivalents $ 43,004 $ 40,784 $ 35,297 $ 58,403 $ 45,153 Inve

United Security Bancshares Reports 1st Quarter Financial Results FRESNO, CA - April 18, 2024.

April 18, 2024 8-K

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 April 18, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 April 18, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 1, 2024 DEF 14A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

March 27, 2024 EX-99

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, March 27, 2024 - On March 26, 2024, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

March 27, 2024 8-K

Financial Statements and Exhibits, Other Events

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 March 26, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 26, 2024 EX-21.1

Subsidiaries of the Company (United Security Bancshares)

Exhibit 21.1 Subsidiaries of the Company (United Security Bancshares) 1) United Security Bank – incorporated in the State of California

March 26, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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, 2023. ☐ 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: 000-32987 UNITED SECURITY BANCSHARE

March 26, 2024 EX-97.1

UNITED SECURITY BANCSHARES CLAWBACK POLICY

UNITED SECURITY BANCSHARES CLAWBACK POLICY 1.Purpose. The Board of Directors of the Company believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy with respect to the Company’s Executive Officers. Accordingly, the purpose

February 26, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 February 22, 2024 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

January 25, 2024 EX-99.1

United Security Bancshares Reports 2023 Net Income of $19.8 Million

United Security Bancshares Reports 2023 Net Income of $19.8 Million FRESNO, CA - January 25, 2024. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the year ended December 31, 2023. The Company reported record-high net income of $19.8 million, or $1.16 per basic and diluted share, for the year ended December 31, 2023, compared to $15.7 million, or $0.92

January 25, 2024 8-K

Results of Operations and Financial Condition

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 December 31, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

December 19, 2023 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, December 19, 2023 - On December 18, 2023, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

December 19, 2023 8-K

Financial Statements and Exhibits, Other Events

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 December 18, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

November 15, 2023 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2023 ☐ 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: 000-32897 UNITED SECURI

November 15, 2023 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING Commission File Number: 000-32897

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING Commission File Number: 000-32897 (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: September 30, 2023 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report

October 30, 2023 8-K

Results of Operations and Financial Condition

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 October 30, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

October 30, 2023 EX-99.1

United Security Bancshares Reports 3rd Quarter and Year-To-Date 2023 Financial Results

United Security Bancshares Reports 3rd Quarter and Year-To-Date 2023 Financial Results FRESNO, CA - October 30, 2023.

September 27, 2023 8-K

Financial Statements and Exhibits, Other Events

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 September 26, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

September 27, 2023 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, September 27, 2023 - On September 26, 2023, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

August 14, 2023 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2023 ☐ 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: 000-32897 UNITED SECURITY BA

July 27, 2023 EX-99.1

United Security Bancshares Appoints New Member to Board of Directors

United Security Bancshares Appoints New Member to Board of Directors FRESNO, CA, July 27, 2023 - The Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), announced today the appointment of Thomas G.

July 27, 2023 8-K

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

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 July 27, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

July 25, 2023 EX-99.1

1

United Security Bancshares Reports 2nd Quarter 2023 Financial Results FRESNO, CA - July 25, 2023.

July 25, 2023 8-K

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 July 25, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 July 25, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 29, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2022 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 000-32987 A. Full title of the plan and the

June 28, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 June 26, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 28, 2023 EX-99

United Security Bancshares Increases Quarterly Cash Dividend

United Security Bancshares Increases Quarterly Cash Dividend FRESNO, CA, June 28, 2023 - On June 27, 2023, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

June 28, 2023 8-K

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 June 27, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 June 27, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 12, 2023 SC 13D

FUSB / First US Bancshares Inc / GILL JAGROOP - SC 13D Activist Investment

SC 13D 1 schedule13djagroopgill.htm SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Rule 13d-101) (Amendment No. )* United Security Bancshares (Name of Issuer) Common Stock (Title of Class of Securities) 911460103 (CUSIP Number) Kenneth E. Moore, Esq. Stuart | Moore | Staub 641 Higuera Street, Suite 302 San Luis Obispo, CA 93401 (805) 545-8590 (Name, Ad

June 8, 2023 8-K

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 June 7, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact N

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 June 7, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

June 8, 2023 EX-99.1

United Security Bancshares Appoints New Member to Board of Directors

United Security Bancshares Appoints New Member to Board of Directors FRESNO, CA, June 8, 2023 - The Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), announced today the appointment of Jay Gill to the Company’s and Bank’s Boards of Directors effective June 7, 2023.

June 6, 2023 EX-99.1

STRATEGIC VALUE INVESTORS, L.P. SC 13D/A

STRATEGIC VALUE INVESTORS, L.P. SC 13D/A Exhibit 99.1 CUSIP No.: 911460103 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the shares of Common Stock, no par value, of United

June 6, 2023 SC 13D/A

FUSB / First US Bancshares Inc / Strategic Value Investors LP - AMENDMENT TO FORM SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D/A Under the Securities Exchange Act of 1934 (Amendment No. 4)* United Security Bancshares (Name of Issuer) Common Stock, No Par Value (Title of Class of Securities) 911460103 (CUSIP Number) Ben Mackovak Strategic Value Investors, LP 127 Public Square, Suite 1510 Cleveland, Ohio 44114 216-282-0704 (Name, Address an

May 18, 2023 8-K

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 May 17, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact N

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 May 17, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 15, 2023 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2023 ☐ 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: 000-32897 UNITED SECURITY B

April 27, 2023 EX-99.1

1

United Security Bancshares Reports 1st Quarter 2023 Financial Results FRESNO, CA - April 26, 2023.

April 27, 2023 8-K

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 April 26, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 April 26, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 3, 2023 DEF 14A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

March 30, 2023 8-K

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 March 28, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact

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 March 28, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 30, 2023 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, March 29, 2023 - On March 28, 2023, the Board of Directors of United Security Bancshares (the “Company”) (NASDAQ: UBFO), the parent company of United Security Bank (the “Bank”), declared a regular quarterly cash dividend of $0.

March 29, 2023 EX-10.14

TABLE OF CONTENTS

PROPOSAL PROVIDED TO: United Security Bank Dennis Woods 2126 Inyo Street Fresno, CA 93721 PROPOSAL PROVIDED BY: Mahmood, LLC www.

March 29, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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, 2022. ☐ 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: 000-32987 UNITED SECURITY BANCSHARE

January 31, 2023 SC 13D/A

FUSB / First US Bancshares Inc / Strategic Value Investors LP - STRATEGIC VALUE INVESTORS - 13D/A Activist Investment

SC 13D/A 1 UBFO13d.htm STRATEGIC VALUE INVESTORS - 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* United Security Bancshares (Name of Issuer) Common Stock, No Par Value (Title of Class of Securities) 911460103 (CUSIP Number) Marty Adams Strategic Value Investors, LP 127 Public Square, Suite 151

January 26, 2023 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands-except share data) December 31, 2022 December 31, 2021 Assets Cash and non-interest-bearing deposits in other banks $ 31,650 $ 31,057 Due from Federal Reserve Bank (“FRB

United Security Bancshares Reports 2022 Net Income of $15.7 Million FRESNO, CA - January 26, 2023. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the year ended December 31, 2022. The Company recognized net income of $15.7 million, or $0.92 per basic and diluted share, for the year ended December 31, 2022, compared to net income of $10.1 million, or $

January 26, 2023 8-K

Results of Operations and Financial Condition

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 January 26, 2023 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

December 21, 2022 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, December 21, 2022 - On December 20, 2022, the Board of Directors of United Security Bancshares (the ?Company?) (NASDAQ: UBFO), the parent company of United Security Bank (the ?Bank?), declared a regular quarterly cash dividend of $0.

December 21, 2022 8-K

Financial Statements and Exhibits, Other Events

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 December 20, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

November 7, 2022 EX-33.1

Certification of the Chief Financial Officer of United Security Bancshares pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

EXHIBIT 32.2 SECTION 906 CERTIFICATION The certification set forth below is being submitted to the Securities and Exchange Commission solely for the purpose of complying with Section 1350 of Chapter 63 of Title 18 of the United States Code. November 4, 2022 Steven Leen, the Chief Financial Officer of United Security Bancshares certifies: 1. that this quarterly report on Form 10-Q for the quarter e

November 7, 2022 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2022 ? 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: 000-32897 UNITED SECURI

November 3, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

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 November 1, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

November 3, 2022 EX-10.1

Employment Agreement by and among United Security Bancshares, United Security Bank and David A. Kinross dated November 1, 2022

Exhibit 10.1 EMPLOYMENT AGREEMENT This Employment Agreement (this ?Agreement?) is made on this 1st day of November 2022, between United Security Bank (the ?Bank?), having a principal place of business at 2126 Inyo Street, Fresno, CA 93721, and David A. Kinross (?Executive?), to which United Security Bancshares is a party, with reference to the following: RECITALS WHEREAS , the Bank is a California

October 21, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 October 17, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

October 19, 2022 8-K

Results of Operations and Financial Condition

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 October 19, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

October 19, 2022 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands- except share data) September 30, 2022 December 31, 2021 September 30, 2021 Assets Cash and non-interest-bearing deposits in other banks $ 37,972 $ 31,057 $ 42,172 Due f

United Security Bancshares Reports 3rd Quarter 2022 Financial Results FRESNO, CA - October 19, 2022.

October 6, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 September 30, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

September 29, 2022 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, September 28, 2022 - On September 27, 2022, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

September 29, 2022 8-K

Financial Statements and Exhibits, Other Events

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 September 27, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

September 15, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 September 9, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

August 5, 2022 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2022 ? 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: 000-32897 UNITED SECURITY BA

July 20, 2022 8-K

Results of Operations and Financial Condition

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 July 20, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

July 20, 2022 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands- except share data) June 30, 2022 December 31, 2021 June 30, 2021 Assets Cash and non-interest-bearing deposits in other banks $ 33,701 $ 31,057 $ 43,240 Due from Federa

United Security Bancshares Reports 2nd Quarter 2022 Financial Results FRESNO, CA - July 20, 2022.

July 1, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 June 29, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 30, 2022 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, June 30, 2022 - On June 28, 2022, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

June 30, 2022 8-K

Financial Statements and Exhibits, Other Events

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 June 28, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 29, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2021 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 333-100078 A. Full title of the plan and the

May 20, 2022 8-K

Submission of Matters to a Vote of Security Holders

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 May 18, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 6, 2022 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents 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, 2022 ? 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: 000-32897 UNITED SECURITY B

April 20, 2022 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands- except share data) March 31, 2022 December 31, 2021 Assets Cash and non-interest-bearing deposits in other banks $ 38,243 $ 31,057 Due from Federal Reserve Bank ("FRB")

United Security Bancshares Reports 1st Quarter 2022 Financial Results FRESNO, CA - April 20, 2022.

April 20, 2022 8-K

Results of Operations and Financial Condition

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 April 20, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 7, 2022 DEF 14A

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

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

March 25, 2022 8-K

Financial Statements and Exhibits, Other Events

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 March 22, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 25, 2022 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, March 24, 2022 - On March 22, 2022, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

March 9, 2022 EX-21.1

1) United Security Bank – incorporated in the State of California

Exhibit 21.1 ? Subsidiaries of the Company (United Security Bancshares) 1) United Security Bank ? incorporated in the State of California

March 9, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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, 2021. ? 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: 000-32987 UNITED SECURITY BANCSHARE

March 9, 2022 EX-10.13

EXECUTIVE SALARY CONTINUATION AGREEMENT

Exhibit 10.13 EXECUTIVE SALARY CONTINUATION AGREEMENT This Executive Salary Continuation Agreement (this "Agreement") is entered into by and between United Security Bank, a California banking corporation (the "Employer") and Robert Oberg, an individual residing in the State of California (the "Officer") as of October 27, 2020, with reference to the following: RECITALS WHEREAS, the Employer recogni

February 10, 2022 SC 13D/A

FUSB / First US Bancshares Inc / Strategic Value Investors LP - STRATEGIC VALUE INVESTORS - 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* United Security Bancshares (Name of Issuer) Common Stock, No Par Value (Title of Class of Securities) 911460103 (CUSIP Number) Marty Adams Strategic Value Investors, LP 127 Public Square, Suite 1510 Cleveland, Ohio 44114 216-282-0704 (Name, Address and T

January 26, 2022 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) December 31, 2021 December 31, 2020 Assets Cash and non-interest-bearing deposits in other banks $ 31,057 $ 29,490 Due from Federal Reserve Bank ("FRB") 188,162 264,579

United Security Bancshares reports 2021 net income of $10.1 million FRESNO, CA - January 26, 2022. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the quarter and year ended December 31, 2021. The Company recognized net income of $10.1 million, or $0.59 per basic and diluted share, for the year ended December 31, 2021, compared to net income of $9.0 mi

January 26, 2022 8-K

Results of Operations and Financial Condition

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 January 26, 2022 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

December 14, 2021 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, December 14, 2021 - On December 12, 2021, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

December 14, 2021 8-K

Financial Statements and Exhibits, Other Events

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 December 12, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

October 29, 2021 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Content 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, 2021 ? 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: 000-32897 UNITED SECURIT

October 20, 2021 8-K

Results of Operations and Financial Condition

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 October 20, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

October 20, 2021 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) September 30, 2021 December 31, 2020 September 30, 2020 Assets Cash and non-interest-bearing deposits in other banks $ 42,172 $ 29,490 $ 29,197 Due from Federal Reserve

United Security Bancshares reports 3rd quarter net income of $2.6 million FRESNO, CA - October 20, 2021. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the three and nine months ended September 30, 2021. The Company recognized net income of $6.7 million, or $0.40 per basic and diluted share, for the nine months ended September 30, 2021, compared to ne

September 30, 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

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 September 28, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

September 30, 2021 8-K

Financial Statements and Exhibits, Other Events

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 September 28, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

September 30, 2021 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, September 30, 2021 - On September 28, 2021, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

September 30, 2021 EX-99.1

United Security Bancshares Appoints Two New Members to Board of Directors

United Security Bancshares Appoints Two New Members to Board of Directors FRESNO, CA, September 30, 2021 - The Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), announced today the appointment of Heather Hammack and Dora Westerlund to the Company's and Bank's Boards of Directors, effective September 28, 2021.

July 30, 2021 10-Q

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Content 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 ? 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: 000-32897 UNITED SECURITY BAN

July 21, 2021 8-K

Results of Operations and Financial Condition

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 July 21, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

July 21, 2021 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) June 30, 2021 December 31, 2020 June 30, 2020 Assets Cash and non-interest-bearing deposits in other banks $ 43,240 $ 29,490 $ 34,985 Due from Federal Reserve Bank ("FR

United Security Bancshares reports 2nd quarter net income of $2.7 million FRESNO, CA - July 21, 2021. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the three and six months ended June 30, 2021. The Company recognized net income of $4.1 million, or $0.24 per basic and diluted share for the six months ended June 30, 2021, compared to net income of $4.8

June 24, 2021 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2020 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 333-100078 A. Full title of the plan and the

June 23, 2021 8-K

Financial Statements and Exhibits, Other Events

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 June 22, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 23, 2021 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, June 23, 2021 - On June 22, 2021, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

May 21, 2021 8-K

Submission of Matters to a Vote of Security Holders

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 May 19, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

April 30, 2021 10-Q

Quarterly Report - 10-Q

Table of Content 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 ? 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: 000-32897 UNITED SECURITY BA

April 21, 2021 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) March 31, 2021 December 31, 2020 Assets Cash and non-interest-bearing deposits in other banks $ 34,257 $ 29,490 Due from Federal Reserve Bank ("FRB") 273,652 264,579 Ca

United Security Bancshares reports 1st quarter net income of $1.4 million FRESNO, CA - April 21, 2021. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the quarter ended March 31, 2021. The Company recognized net income of $1,411,000, or $0.08 per basic and diluted share for the quarter ended March 31, 2021, compared to net income of $2,754,000,or $0.16

April 21, 2021 8-K

Results of Operations and Financial Condition

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 April 21, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 8, 2021 DEF 14A

- DEF 14A

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

March 24, 2021 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, March 24, 2021 - On March 23, 2021, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

March 24, 2021 8-K

Financial Statements and Exhibits, Other Events

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 March 23, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 5, 2021 EX-21.1

1) United Security Bank – incorporated in the State of California

Exhibit 21.1 ? Subsidiaries of the Company (United Security Bancshares) 1) United Security Bank ? incorporated in the State of California

March 5, 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. ? 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: 000-32987 UNITED SECURITY BANCSHARE

March 5, 2021 EX-10.13

EXECUTIVE SALARY CONTINUATION AGREEMENT

Exhibit 10.13 EXECUTIVE SALARY CONTINUATION AGREEMENT This Executive Salary Continuation Agreement (this "Agreement") is entered into by and between United Security Bank, a California banking corporation (the "Employer") and Robert Oberg, an individual residing in the State of California (the "Officer") as of , 2020, with reference to the following: RECITALS WHEREAS, the Employer recognizes the va

February 12, 2021 SC 13D/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* United Security Bancshares (Name of Issuer) Common Stock, No Par Value (Title of Class of Securities) 91

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* United Security Bancshares (Name of Issuer) Common Stock, No Par Value (Title of Class of Securities) 911460103 (CUSIP Number) Marty Adams Strategic Value Investors, LP 127 Public Square, Suite 1510 Cleveland, Ohio 44114 216-282-0704 (Name, Address and T

January 27, 2021 8-K

Results of Operations and Financial Condition

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 January 27, 2021 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

January 27, 2021 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) December 31, 2020 December 31, 2019 Assets Cash and non-interest-bearing deposits in other banks $ 29,490 $ 27,291 Due from Federal Reserve Bank ("FRB") 264,579 191,704

United Security Bancshares reports 2020 net income of $9.0 million FRESNO, CA - January 27, 2021. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the year ended December 31, 2020. The Company recognized net income of $8,961,000, or $0.53 per basic and diluted shares for the year ended December 31, 2020, compared to net income of $15,172,000,or $0.90 pe

December 21, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K 12152020 MOCHIZUKI

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 December 15, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

December 16, 2020 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, December 16, 2020 - On December 15, 2020, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

December 16, 2020 8-K

Financial Statements and Exhibits, Other Events - 8-K UBFO CASH DIV 12152020

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 December 15, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

October 30, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents 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 ☐ 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: 000-32897 UNITED SECURI

October 15, 2020 8-K

Results of Operations and Financial Condition - 8-K UBFO 09302020 EARNINGS

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 October 15, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

October 15, 2020 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) September 30, 2020 December 31, 2019 Assets Cash and non-interest-bearing deposits in other banks $ 29,197 $ 27,291 Due from Federal Reserve Bank ("FRB") 294,135 191,70

United Security Bancshares reports 3rd quarter net income of $2.3 million FRESNO, CA - October 15, 2020. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the nine months ended September 30, 2020. The Company recognized net income of $7,038,000, or $0.41 per diluted share for the nine months ended September 30, 2020, compared to net income of $12,276,000

September 24, 2020 8-K

Financial Statements and Exhibits, Other Events - 8-K CASH DIVIDEND 09222020

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 September 22, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

September 24, 2020 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, September 23, 2020 - On September 22, 2020, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

July 31, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents 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 ☐ 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: 000-32897 UNITED SECURITY BA

July 17, 2020 8-K

Submission of Matters to a Vote of Security Holders

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 July 15, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

July 15, 2020 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) June 30, 2020 December 31, 2019 Assets Cash and non-interest-bearing deposits in other banks $ 34,985 $ 27,291 Due from Federal Reserve Bank ("FRB") 194,556 191,704 Cas

United Security Bancshares reports 2nd quarter net income of $2.0 million FRESNO, CA - July 15, 2020. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the six months ended June 30, 2020. The Company recognized net income of $4,768,000 for the six months ended June 30, 2020, a decrease of 41.2% compared to the net income of $8,104,000 recognized for the

July 15, 2020 8-K

Results of Operations and Financial Condition

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 July 15, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 25, 2020 8-K

Financial Statements and Exhibits, Other Events

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 June 23, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 25, 2020 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, June 24, 2020 - On June 23, 2020, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

June 19, 2020 11-K

- 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2019 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 333-100078 A. Full title of the plan and the

June 11, 2020 DEF 14A

- DEF 14A UBFO 2020 PROXY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

May 1, 2020 10-Q

Quarterly Report - 10-Q

Table of Contents 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 MARCH 31, 2020 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: 000-32897 UNITED SECURITY B

April 29, 2020 10-K/A

Annual Report - 10-K/A UBFO 12312019

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A Amendment No. 1 x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2019. 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: 000-32987 UNITED

April 15, 2020 8-K

Results of Operations and Financial Condition

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 April 15, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 15, 2020 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) March 31, 2020 December 31, 2019 Assets Cash and non-interest-bearing deposits in other banks $ 28,134 $ 27,291 Due from Federal Reserve Bank ("FRB") 171,719 191,704 Ca

EX-99.1 2 ubfo-032020earningsrelease.htm EXHIBIT 99.1 UBFO 032020 EARNINGS United Security Bancshares reports 1st quarter net income of $2.8 million FRESNO, CA - April 15, 2020. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the quarter ended March 31, 2020. The Company recognized net income of $2,754,000 for the quarter ended March 31, 2020, a decrea

March 26, 2020 8-K

Financial Statements and Exhibits, Other Events

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 March 24, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 26, 2020 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, March 26, 2020 - On March 24, 2020, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

February 28, 2020 10-K

USBI / United Security Bancshares, Inc. 10-K - Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2019. 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: 000-32987 UNITED SECURITY BANCSHARE

February 28, 2020 EX-21.1

1) United Security Bank – incorporated in the State of California

Exhibit 21.1 – Subsidiaries of the Company (United Security Bancshares) 1) United Security Bank – incorporated in the State of California

January 23, 2020 8-K

Results of Operations and Financial Condition

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 January 23, 2020 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

January 23, 2020 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) December 31, 2019 December 31, 2018 Assets Cash and non-interest-bearing deposits in other banks $ 27,291 $ 28,949 Due from Federal Reserve Bank ("FRB") 191,704 191,388

United Security Bancshares reports 2019 net income of $15.2 million FRESNO, CA - January 23, 2020. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the quarter and year ended December 31, 2019. The Company reported consolidated net income of $2,895,000, or $0.17 per basic and diluted common share, for the quarter ended December 31, 2019, as compared to

December 18, 2019 8-K

Financial Statements and Exhibits, Other Events

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 December 17, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

December 18, 2019 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, December 18, 2019 - On December 17, 2019, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

November 1, 2019 10-Q

UBOF / UNITED SECURITY BANCSHARES 10-Q - Quarterly Report - 10-Q

Table of Contents 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, 2019 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: 000-32897 UNITED SECURI

October 16, 2019 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) September 30, 2019 December 31, 2018 Assets Cash and non-interest-bearing deposits in other banks $ 31,073 $ 28,949 Due from Federal Reserve Bank ("FRB") 214,870 191,38

United Security Bancshares reports 3rd quarter net income of $4.2 million FRESNO, CA - October 16, 2019. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the three and nine months ended September 30, 2019. The Company reported consolidated net income of $4,173,000, or $0.25 per basic and diluted common share, for the quarter ended September 30, 2019, as

October 16, 2019 8-K

Results of Operations and Financial Condition

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 October 16, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

September 25, 2019 8-K

Financial Statements and Exhibits, Other Events

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 September 24, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

September 25, 2019 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

EX-99.1 2 ex991ubfocashdividend09242.htm EXHIBIT 99.1 09242019 CASH DIVIDEND United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, September 25, 2019 - On September 24, 2019, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.11 per share on t

August 2, 2019 10-Q

UBOF / UNITED SECURITY BANCSHARES 10-Q - Quarterly Report - 10-Q

Table of Contents 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 JUNE 30, 2019 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: 000-32897 UNITED SECURITY BA

July 17, 2019 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) June 30, 2019 December 31, 2018 Assets Cash and non-interest-bearing deposits in other banks $ 30,074 $ 28,949 Due from Federal Reserve Bank ("FRB") 279,386 191,388 Cas

EX-99.1 2 ubfo-062019earningsrelease.htm EXHIBIT 99.1 062019 EARNINGS United Security Bancshares reports 2nd quarter net income of $4.1 million FRESNO, CA - July 17, 2019. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the three and six months ended June 30, 2019. The Company reported consolidated net income of $4,097,000, or $0.24 per basic and dilut

July 17, 2019 8-K

Results of Operations and Financial Condition

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 July 17, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 26, 2019 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, June 26, 2019 - On June 25, 2019, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

June 26, 2019 8-K

Financial Statements and Exhibits, Other Events

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 June 25, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 21, 2019 11-K

UBOF / UNITED SECURITY BANCSHARES 11-K - - 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2018 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 333-100078 A. Full title of the plan and the

May 16, 2019 8-K

Submission of Matters to a Vote of Security Holders

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 May 15, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 3, 2019 10-Q

UBOF / UNITED SECURITY BANCSHARES 10-Q Quarterly Report 10-Q 03312019

Table of Contents 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 MARCH 31, 2019 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: 000-32897 UNITED SECURITY B

April 17, 2019 8-K

Results of Operations and Financial Condition

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 April 17, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 17, 2019 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) March 31, 2019 December 31, 2018 Assets Cash and non-interest-bearing deposits in other banks $ 29,398 $ 28,949 Due from Federal Reserve Bank ("FRB") 231,303 191,388 Ca

EX-99.1 2 ubfo-032019earningsrelease.htm EXHIBIT 99.1 UBFO 032019 EARNINGS United Security Bancshares reports 1st quarter net income of $4.0 million FRESNO, CA - April 17, 2019. United Security Bancshares (Nasdaq: UBFO) today announced its unaudited financial results for the three months ended March 31, 2019. The Company recognized net income of $4,007,000 for the three months ended March 31, 2019

April 9, 2019 DEF 14A

UBOF / UNITED SECURITY BANCSHARES DEF 14A UBFO 2019 PROXY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

March 27, 2019 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

EX-99.1 2 ex991ubfocashdividend03262.htm EXHIBIT 99.1 UBFO CASH DIV 032619 United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, March 27, 2019 - On March 26, 2019, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.11 per share on the Company

March 27, 2019 8-K

Financial Statements and Exhibits, Other Events

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 March 26, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 1, 2019 EX-10.12

CHANGE IN CONTROL AGREEMENT

CHANGE IN CONTROL AGREEMENT This Change in Control Agreement (this “Agreement”) is made this 23rd day of October, 2018, by and between United Security Bancshares (the “Company”), a California corporation, and Robert Oberg (“Executive”), an individual residing in the state of California, with reference to the following: RECITAL WHEREAS, it is in the best interests of the Company and Executive for t

March 1, 2019 10-K

UBOF / UNITED SECURITY BANCSHARES 10-K (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2018. 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: 000-32987 UNITED SECURITY BANCSHARE

March 1, 2019 EX-21.1

1) United Security Bank – incorporated in the State of California 2) USB Capital Trust II – incorporated in the State of Delaware

Exhibit 21.1 – Subsidiaries of the Company (United Security Bancshares) 1) United Security Bank – incorporated in the State of California 2) USB Capital Trust II – incorporated in the State of Delaware

February 12, 2019 SC 13D/A

FUSB / First US Bancshares, Inc. / Strategic Value Investors LP - STRATEGIC VALUE INVESTORS LP Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* United Security Bancshares (Name of Issuer) Common Stock, No Par Value (Title of Class of Securities) 911460103 (CUSIP Number) Baird Hansen Strategic Value Investors, LP 127 Public Square, Suite 2810 Cleveland, Ohio 44114 (Name, Address and Telephone Num

January 23, 2019 8-K

Results of Operations and Financial Condition

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 January 23, 2019 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

January 23, 2019 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) December 31, 2018 December 31, 2017 Assets Cash and non-interest-bearing deposits in other banks $ 28,949 $ 35,237 Due from Federal Reserve Bank ("FRB") 191,388 72,697

United Security Bancshares reports 2018 net income of $14.0 million FRESNO, CA - January 23, 2019. United Security Bancshares (Nasdaq: UBFO), today announced its unaudited financial results for the quarter and year ended December 31, 2018. The Company reported consolidated net income of $3,948,000, or $0.23 per basic and diluted common share, for the quarter ended December 31, 2018, as compared to

December 19, 2018 EX-99.1

United Security Bancshares Declares Increased Quarterly Cash Dividend

United Security Bancshares Declares Increased Quarterly Cash Dividend FRESNO, CA, December 19, 2018 - On December 18, 2018, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

December 19, 2018 8-K

Financial Statements and Exhibits, Other Events

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 December 18, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Nu

November 2, 2018 10-Q

UBOF / UNITED SECURITY BANCSHARES 10-Q UBFO 09302018 (Quarterly Report)

Table of Contents 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, 2018 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: 000-32897 UNITED SECURI

October 17, 2018 8-K

Results of Operations and Financial Condition

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 October 17, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Num

October 17, 2018 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) September 30, 2018 December 31, 2017 Assets Cash and non-interest-bearing deposits in other banks $ 28,952 $ 35,237 Due from Federal Reserve Bank ("FRB") 178,348 72,697

United Security Bancshares reports 3rd quarter profits of $3.5 million FRESNO, CA - October 17, 2018. United Security Bancshares (Nasdaq: UBFO), today announced its unaudited financial results for the quarter and nine months ended September 30, 2018. The Company reported consolidated net income of $3,518,000, or $0.21 per basic and diluted common share, for the quarter ended September 30, 2018, as

October 2, 2018 EX-99.1

United Security Bancshares Appoints Chief Risk Officer

United Security Bancshares Appoints Chief Risk Officer FRESNO, CA, October 2, 2018 - Dennis Woods, President and Chief Executive Officer of United Security Bancshares (the "Company") (NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), announced that Robert C.

October 2, 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

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 October 1, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numb

September 26, 2018 EX-99.1

United Security Bancshares Declares Increased Quarterly Cash Dividend

United Security Bancshares Declares Increased Quarterly Cash Dividend FRESNO, CA, September 26, 2018 - On September 25, 2018, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

September 26, 2018 8-K

Financial Statements and Exhibits, Other Events

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 September 25, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File N

August 6, 2018 10-Q

UBOF / UNITED SECURITY BANCSHARES 10-Q 06302018 (Quarterly Report)

Table of Contents 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 JUNE 30, 2018 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: 000-32897 UNITED SECURITY BA

July 18, 2018 8-K

Results of Operations and Financial Condition

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 July 18, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

July 18, 2018 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) June 30, 2018 December 31, 2017 Assets Cash and non-interest-bearing deposits in other banks $ 29,939 $ 35,237 Cash and due from Federal Reserve Bank 161,189 72,697 Cas

United Security Bancshares reports 2nd quarter profits of $3.4 million FRESNO, CA - July 18, 2018. United Security Bancshares (Nasdaq: UBFO), today announced its unaudited financial results for the quarter ended June 30, 2018. The Company reported consolidated net income of $3,392,000, or $0.20 per basic and diluted common share, for the quarter ended June 30, 2018, as compared to $2,492,000, or $

June 27, 2018 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

EX-99.1 2 ex991ubfocashdividend03272.htm EXHIBIT 99.1 CASH DIVIDEND 06262018 United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, June 27, 2018 - On June 26, 2018, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.09 per share on the Company

June 27, 2018 8-K

Financial Statements and Exhibits, Other Events

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 June 26, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number

June 26, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 a8-kheidt06222018.htm 8-K HEIDT 06222018 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 June 22, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporatio

June 26, 2018 11-K

UBOF / UNITED SECURITY BANCSHARES 11-K UBFO FINANCIAL 12312017

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 11-K (mark one) x ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the year ended December 31, 2017 or o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 333-100078 A. Full title of the plan and the

May 18, 2018 8-K

Submission of Matters to a Vote of Security Holders

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 May 16, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Number)

May 7, 2018 10-Q

UBOF / UNITED SECURITY BANCSHARES 10-Q 03312018 (Quarterly Report)

Table of Contents 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 MARCH 31, 2018 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: 000-32897 UNITED SECURITY B

May 4, 2018 10-K/A

UBOF / UNITED SECURITY BANCSHARES 10-K/A 12312017 (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2017 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: 000-32987 UNITED SEC

April 18, 2018 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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 April 17, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 18, 2018 8-K

Results of Operations and Financial Condition

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 April 18, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

April 18, 2018 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) March 31, 2018 December 31, 2017 Assets Cash and non-interest-bearing deposits in other banks $ 24,608 $ 35,237 Cash and due from Federal Reserve Bank 140,739 72,697 Ca

United Security Bancshares Q1 2018 earnings increase 78% from Q1 2017 FRESNO, CA - April 18, 2018.

April 9, 2018 DEF 14A

UBOF / UNITED SECURITY BANCSHARES DEF 14A 05162018 PROXY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

March 28, 2018 EX-99.1

United Security Bancshares Declares Increased Quarterly Cash Dividend

United Security Bancshares Declares Increased Quarterly Cash Dividend FRESNO, CA, March 28, 2018 - On March 27, 2018, the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

March 28, 2018 8-K

Financial Statements and Exhibits, Other Events

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 March 27, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission File Numbe

March 2, 2018 EX-10.4

CHANGE IN CONTROL AGREEMENT

EX-10.4 3 a12311710kex104.htm EXHIBIT 10.4 12312017 Exhibit 10.4 CHANGE IN CONTROL AGREEMENT This Change in Control Agreement (this “Agreement”) is made this 24th day of February, 2015, by and between United Security Bancshares (the “Company”), a California corporation, and DAVE EYTCHESON (“Executive”), an individual residing in the state of California, with reference to the following: RECITAL WHE

March 2, 2018 EX-10.2

AMENDED AND RESTATED EMPLOYMENT AGREEMENT

Exhibit 10.2 AMENDED AND RESTATED EMPLOYMENT AGREEMENT This Amended and Restated Employment Agreement (this “Agreement”) is made on this day of , 2015, between United Security Bank (the “Bank”), having a principal place of business at 2126 Inyo Street, Fresno, CA 93721, and Dennis R. Woods (“Executive”), to which United Security Bancshares is a party, with reference to the following: RECITALS WHER

March 2, 2018 EX-10.7

EXECUTIVE SALARY CONTINUATION AGREEMENT

Exhibit 10.7 EXECUTIVE SALARY CONTINUATION AGREEMENT This Executive Salary Continuation Agreement (this “Agreement”) is entered into by and between United Security Bank, a California banking corporation (the “Employer”), and Bhavneet Gill, an individual residing in the State of California (the “Officer”) as of , 2015, with reference to the following: RECITALS WHEREAS, the Employer recognizes the v

March 2, 2018 EX-10.10

CHANGE IN CONTROL AGREEMENT

EX-10.10 7 a12311710kex1010.htm EXHIBIT 10.10 12312017 Exhibit 10.10 CHANGE IN CONTROL AGREEMENT This Change in Control Agreement (this “Agreement”) is made this 24th day of February, 2015, by and between United Security Bancshares (the “Company”), a California corporation, and DAVE EYTCHESON (“Executive”), an individual residing in the state of California, with reference to the following: RECITAL

March 2, 2018 EX-10.8

CHANGE IN CONTROL AGREEMENT

Exhibit 10.8 CHANGE IN CONTROL AGREEMENT This Change in Control Agreement (this “Agreement”) is made this 24th day of February, 2015, by and between United Security Bancshares (the “Company”), a California corporation, and BHAVNEET GILL (“Executive”), an individual residing in the state of California, with reference to the following: RECITAL WHEREAS, it is in the best interests of the Company and

March 2, 2018 EX-10.9

EXECUTIVE SALARY CONTINUATION AGREEMENT

EX-10.9 6 a12311710kex109.htm EXHIBIT 10.9 12312017 Exhibit 10.9 EXECUTIVE SALARY CONTINUATION AGREEMENT This Executive Salary Continuation Agreement (this “Agreement”) is entered into by and between United Security Bank, a California banking corporation (the “Employer”), and William M. Yarbenet, an individual residing in the State of California (the “Officer”) as of , 2015, with reference to the

March 2, 2018 10-K

USBI / United Security Bancshares, Inc. 10-K 12312017 (Annual Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED DECEMBER 31, 2017. 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: 000-32987 UNITED SECURITY BANCSHARE

March 2, 2018 EX-21

1) United Security Bank – incorporated in the State of California 2) USB Capital Trust II – incorporated in the State of Delaware

Exhibit 21.1 – Subsidiaries of the Company (United Security Bancshares) 1) United Security Bank – incorporated in the State of California 2) USB Capital Trust II – incorporated in the State of Delaware

March 2, 2018 EX-10.11

EMPLOYMENT AGREEMENT

Exhibit 10.11 EMPLOYMENT AGREEMENT This Employment Agreement (this “Agreement”) is made on this day of , 2015, between United Security Bank (the “Bank”), having a principal place of business at 2126 Inyo Street, Fresno, CA 93721, and William M. Yarbenet (“Executive”), to which United Security Bancshares is a party, with reference to the following: RECITALS WHEREAS, the Bank is a California banking

February 14, 2018 SC 13D

FUSB / First US Bancshares, Inc. / WOODS DENNIS R - NONE Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. n/a )* UNITED SECURITY BANCSHARES (Name of Issuer) COMMON STOCK, NO PAR VALUE (Title of Class of Securities) 911460103 (CUSIP Number) DENNIS R. WOODS, PRESIDENT AND CEO, UNITED SECURITY BANCSHARES 2126 INYO STREET FRESNO, California 93721 Phone : (559)248-49

February 9, 2018 SC 13G/A

FUSB / First US Bancshares, Inc. / WOODS DENNIS R - NONE Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 08)* UNITED SECURITY BANCSHARES (Name of Issuer) COMMON STOCK, NO PAR VALUE (Title of Class of Securities) 911460103 (CUSIP Number) December 31, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

January 29, 2018 EX-99.1

United Security Bancshares Consolidated Balance Sheets (unaudited) (in thousands) December 31, 2017 December 31, 2016 Assets Cash and non-interest-bearing deposits in other banks $ 35,237 $ 25,781 Cash and due from Federal Reserve Bank 72,697 87,251

Exhibit United Security Bancshares reports 2017 net income of $8.6 million FRESNO, CA - January 29, 2018 . United Security Bancshares (Nasdaq: UBFO) , today announced its unaudited financial results for the quarter ended December 31, 2017 . The Company reported consolidated net income of $1,637,000 , or $0.10 per basic and diluted common share, for the quarter ended December 31, 2017 , as compared

January 29, 2018 8-K

Results of Operations and Financial Condition

Document 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 January 29, 2018 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commission

December 20, 2017 8-K

Financial Statements and Exhibits, Other Events

Document 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 December 19, 2017 Date of Report (Date of earliest event reported) UNITED SECURITY BANCSHARES (Exact Name of Registrant as Specified in its Charter) California (State or Other Jurisdiction of Incorporation) 000-32987 91-2112732 (Commissio

December 20, 2017 EX-99.1

United Security Bancshares Declares Quarterly Cash Dividend

Exhibit United Security Bancshares Declares Quarterly Cash Dividend FRESNO, CA, December 20, 2017 - On December 19, 2017 , the Board of Directors of United Security Bancshares (the "Company")(NASDAQ: UBFO), the parent company of United Security Bank (the "Bank"), declared a regular quarterly cash dividend of $0.

November 29, 2017 EX-99.1

United Security Bancshares Appoints Two New Members to Board of Directors

Exhibit EXHIBIT 99.1 United Security Bancshares Appoints Two New Members to Board of Directors FRESNO, CA, November 29, 2017 . United Security Bancshares (http://www.unitedsecuritybank.com/) (Nasdaq Global Select: UBFO) announced the appointment of Nabeel Mahmood and Brian Tkacz to the Company's Board of Directors. Mr. Mahmood and Mr. Tkacz will also serve on the Board of United Security Bank, a w

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