# EDGAR Filing Document

**Accession Number:** 0001694370
**File Stem:** 0001694370-26-000004
**Filing Date:** 2026-4
**Character Count:** 6876
**Document Hash:** 35ab8bbfc8ef0829ced6cb9705e50596
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001694370-26-000004.hdr.sgml**: 20260413

**ACCESSION NUMBER**: 0001694370-26-000004

**CONFORMED SUBMISSION TYPE**: 4/A

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260401

**FILED AS OF DATE**: 20260413

**DATE AS OF CHANGE**: 20260413

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** QUIGLEY SUSAN
- **CENTRAL INDEX KEY:** 0001694370

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-32897
- **FILM NUMBER:** 26857449

**MAIL ADDRESS:**
- **STREET 1:** 2126 INYO STREET
- **CITY:** FRESNO
- **STATE:** CA
- **ZIP:** 93721
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** UNITED SECURITY BANCSHARES
- **CENTRAL INDEX KEY:** 0001137547
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 912112732
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2126 INYO STREET
- **CITY:** FRESNO
- **STATE:** CA
- **ZIP:** 93721
- **BUSINESS PHONE:** 5594906261

**MAIL ADDRESS:**
- **STREET 1:** 2126 INYO STREET
- **CITY:** FRESNO
- **STATE:** CA
- **ZIP:** 93721

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4/A

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>QUIGLEY SUSAN<br><sub>(Last) (First) (Middle)</sub><br>2126 INYO STREET<br><sub>(Street)</sub><br>FRESNO, CA 93721<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-04-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>UNITED SECURITY BANCSHARES [ UBFO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-04-01 |  | D |  | 24887 | D | 0<sup>(1)</sup> | 0 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Stock Options | $9.25 | 2026-04-01 |  | D |  |  | 15000 | 2018-05-23 | 2027-05-23 | Common Stock | 15000 | <sup>(2)</sup> | 0 | D |  |

---

### Footnotes:

(1) Disposed of pursuant to the Agreement and Plan of Merger, dated as of December 16, 2025 (the "Merger Agreement"), by and between Community West Bancshares ("Community West") and United Security Bancshares (the "Company"), providing for the Company to merge (the "Merger") with and into Community West with Community West being the surviving entity. The Merger became effective at 12:01 a.m. on April 1, 2026, at which time (i) each share of Company common stock, other than excluded shares and dissenting shares, was converted into the right to receive 0.4520 of a share of common stock of Community West (the "Merger Consideration"); (ii) each outstanding unvested Company restricted stock award automatically vested in full and became entitled to the Merger Consideration.

(2) Pursuant to the Merger Agreement, at the effective time of the merger, each of the reporting person's stock options were converted into the right to receive the amount, if any, by which the option's price exceeded $10.29 (20 day VWAP ending 3/27/2026).

**Remarks:**
This amendment to the Reporting Person's Form 4 filed on April 3, 2026, is being filed to (i) clarify that the Reporting Person is no longer subject to Section 16 reporting with respect to the Company, (ii) correct the disposition price of shares of Company common stock, and (iii) make clarifying changes to footnote (1).

**Signature:** /s/ Susan Quigley  
**Date:** 2026-04-13

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**