Director exits United Security (UBFO) holdings in Community West merger

Rhea-AI Filing Summary

United Security Bancshares director Stanley J. Cavalla reported disposing of his entire stake in the company’s common stock as part of its merger into Community West Bancshares. On April 1, 2026, he relinquished 679,453 directly held shares and 270 indirectly held trust shares to the issuer at $0.00 per share. Under the merger terms effective at 12:01 a.m. that day, each United Security share (other than excluded and dissenting shares) was converted into the right to receive 0.4520 of a share of Community West common stock, and all unvested restricted stock awards vested and became entitled to the same stock consideration.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider CAVALLA STANLEY J

Role Director

Type	Security	Shares	Price	Value
Disposition	Common Stock	679,453	$0.00	--
Disposition	Common Stock	270	$0.00	--

Holdings After Transaction: Common Stock — 0 shares (Direct); Common Stock — 0 shares (Indirect, Trust)

Footnotes (1)

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Key Figures

Direct shares disposed: 679,453 shares Indirect trust shares disposed: 270 shares Post-transaction United Security holdings: 0 shares +2 more

5 metrics

Direct shares disposed 679,453 shares Common Stock returned to issuer on April 1, 2026

Indirect trust shares disposed 270 shares Common Stock held indirectly through a trust, April 1, 2026

Post-transaction United Security holdings 0 shares Total shares following disposition on April 1, 2026

Merger exchange ratio 0.4520 share Community West common stock per United Security share

Merger effective time 12:01 a.m. Effective time on April 1, 2026 for the merger

Key Terms

Agreement and Plan of Merger, Merger Consideration, restricted stock award, dissenting shares

4 terms

Agreement and Plan of Merger regulatory

"Disposed of pursuant to the Agreement and Plan of Merger, dated as of December 16, 2025..."

An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.

Merger Consideration financial

"each share of Company common stock...was converted into the right to receive 0.4520 of a share... (the "Merger Consideration")"

Merger consideration is the total payment a company or buyer offers to shareholders of a target company in exchange for combining the two businesses, and can include cash, shares in the surviving company, debt assumption, or a mix of these. Investors care because the form and amount affect the deal’s value, tax consequences, immediate cash received versus future ownership, and the risk and upside of holding new shares — similar to choosing between cash now or stock that could grow later.

restricted stock award financial

"each outstanding unvested Company restricted stock award automatically vested in full and became entitled to the Merger Consideration"

A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.

dissenting shares regulatory

"each share of Company common stock, other than excluded shares and dissenting shares, was converted..."

Dissenting shares are shares held by investors who formally oppose a proposed corporate action—such as a merger or takeover—and choose to demand a cash payment for the value of their stock instead of accepting the deal’s terms. This matters to investors because it can slow or complicate a transaction, trigger a legal process to set a fair price, and affect how much cash a company must pay out, which in turn influences the financial outcome for all shareholders.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

CAVALLA STANLEY J

(Last) (First) (Middle)

2126 INYO STREET

(Street)

FRESNO CALIFORNIA 93721

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
UNITED SECURITY BANCSHARES [ UBFO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
04/03/2026

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/01/2026		D		679,453	D	$0(1)	0	D
Common Stock	04/01/2026		D		270	D	$0(1)	0	I	Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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.

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).

	/s/ Stan Cavalla	04/13/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)

FAQ

What did United Security (UBFO) director Stanley J. Cavalla report on this Form 4/A?

Stanley J. Cavalla reported disposing of all his United Security Bancshares common stock. He transferred 679,453 directly held shares and 270 indirectly held trust shares to the issuer as part of the company’s merger into Community West Bancshares, leaving him with no reported United Security shares.

How many United Security (UBFO) shares did Cavalla give up in the merger?

Cavalla disposed of 679,453 shares of United Security common stock held directly and 270 shares held indirectly through a trust. These dispositions reduced his reported United Security holdings to zero as part of the merger transaction with Community West Bancshares that closed on April 1, 2026.

What consideration did United Security (UBFO) shareholders receive in the Community West merger?

Each share of United Security common stock, other than excluded and dissenting shares, was converted into the right to receive 0.4520 of a share of Community West Bancshares common stock. This stock-for-stock exchange is referred to as the Merger Consideration and applied to fully vested shares at closing.

When did the United Security (UBFO) and Community West merger become effective?

The merger of United Security Bancshares into Community West Bancshares became effective at 12:01 a.m. on April 1, 2026. At that time, United Security shares were converted into rights to receive Community West stock under the agreed 0.4520 exchange ratio, and related equity awards were adjusted.

How were United Security (UBFO) restricted stock awards treated in the merger?

Each outstanding unvested United Security restricted stock award automatically vested in full at the merger’s effectiveness. Once vested, these shares became entitled to receive the same Merger Consideration as other common shares, meaning 0.4520 of a Community West common share for each underlying United Security share.

Were there any special categories of United Security (UBFO) shares excluded from the merger exchange?

The merger terms state that each share of United Security common stock, other than excluded shares and dissenting shares, was converted into the right to receive Community West stock. Excluded and dissenting shares did not receive the standard 0.4520 share-for-share Merger Consideration described for other shareholders.