[Form 4] UNITED SECURITY BANCSHARES Insider Trading Activity

Rhea-AI Filing Summary

Kevin J. Williams, Senior Vice President and Chief Banking Officer of United Security Bancshares (UBFO), was granted 81,000 shares of restricted common stock on 09/23/2025 under the 2025 Equity Incentive Award Plan. The grant had a market value of $782,460 based on the closing price of $9.66 that day. Restrictions on the shares lapse over ten years. Following the transaction Mr. Williams beneficially owned 81,000 shares directly.

Positive

• Long-term vesting: Restrictions lapse over ten years, aligning executive incentives with multi-year performance
• Transparency: Form 4 discloses grant size and fair market value ($782,460) based on the closing price of $9.66

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Ten-year restricted stock grant signals long-term retention focus by the board.

The award of 81,000 restricted shares to a senior officer with restrictions that lapse over ten years is a structural retention tool rather than immediate liquidity. Multi-year restrictions align executive incentives with long-term shareholder outcomes but can delay direct alignment benefits. The disclosure is routine and contains no unusual vesting acceleration or related-party terms.

Securities Analyst

TL;DR: Non-cash equity grant of $782,460 is modest relative to public company executive pay but is dilutive over time.

The grant is equity-based compensation valued at $782,460 using the closing price of $9.66. As a single Form 4 disclosure, it does not indicate a material change to capital structure or operations. Investors should note potential dilution if similar grants continue, but this filing is a routine insider award rather than an actionable market-moving event.

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

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

1. Name and Address of Reporting Person^*

WILLIAMS KEVIN J

(Last) (First) (Middle)

2126 INYO STREET

(Street)

FRESNO CA 93721

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP/Chief Banking Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/23/2025

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

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

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

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	09/23/2025		A		81,000	A	$9.66	81,000	D

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:

Remarks:

1. 9/23/2025 Mr. Williams was granted 81,000 shares of restricted stock of UBFO common stock under the 2025 Equity Incentive Award Plan. The restricted stock grant has a $782,460 market value; restrictions lapse over ten years. 2. Represents the market closing price on September 23, 2025

	/s/ Kevin J. Williams	09/24/2025
	** 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.

FAQ

What did Kevin J. Williams receive in the UBFO Form 4 filing?

He was granted 81,000 restricted shares of United Security Bancshares common stock on 09/23/2025 under the 2025 Equity Incentive Award Plan.

What was the market value and price used for the restricted stock grant in the UBFO filing?

The grant had a market value of $782,460 using the closing price of $9.66 on September 23, 2025.

How long do the restrictions on the UBFO restricted shares last?

The restrictions on the 81,000 shares lapse over ten years.

Does the Form 4 show how many UBFO shares Mr. Williams owned after the grant?

Yes, the filing reports Mr. Williams beneficially owned 81,000 shares following the reported transaction.

Is this Form 4 transaction an exercise or a cash purchase?

No; the Form 4 reports a grant of restricted stock (non-derivative acquisition), not an option exercise or cash purchase.