United Security Bancshares officer boosts holdings through DRIP buys

Rhea-AI Filing Summary

United Security Bancshares (UBFO) reported insider share purchases by a senior executive through its dividend reinvestment plan. On 08/04/2025, the reporting person acquired 846.831 shares of common stock at $8.734 per share, bringing direct beneficial ownership to 71,869.529 shares. On 10/30/2025, the same executive acquired an additional 820.511 shares at $9.138 per share, increasing direct holdings to 72,690.04 shares. The filer is an officer of the company, serving as SVP & CCO, and reported no derivative security transactions.

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

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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^*

Yarbenet William M.

(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 & CCO

3. Date of Earliest Transaction (Month/Day/Year)
08/04/2025

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	08/04/2025		J		846.831(1)	A	$8.734	71,869.529	D
Common Stock	10/30/2025		J		820.511(1)	A	$9.138	72,690.04	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:

1. Shares were acquired through dividend reinvestment plan.

Remarks:

	/s/ William M Yarbenet	11/20/2025
	** 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 does this Form 4 filing report for United Security Bancshares (UBFO)?

The Form 4 reports that a United Security Bancshares officer acquired additional common stock through the company’s dividend reinvestment plan on two dates in 2025.

Who is the reporting person in this UBFO Form 4 filing and what is their role?

The reporting person is an officer of United Security Bancshares, serving as Senior Vice President (SVP) & Chief Credit Officer (CCO).

How many UBFO shares did the insider acquire and on which dates?

The insider acquired 846.831 shares on 08/04/2025 and 820.511 shares on 10/30/2025, all through a dividend reinvestment plan.

What prices were paid for the United Security Bancshares (UBFO) shares?

The dividend reinvestment purchases were recorded at $8.734 per share on 08/04/2025 and $9.138 per share on 10/30/2025.

How many UBFO shares does the insider own after these transactions?

After the reported transactions, the officer directly and beneficially owned 72,690.04 shares of United Security Bancshares common stock.

Were any derivative securities reported in this UBFO Form 4?

No. The filing’s Table II shows no transactions in derivative securities such as options, warrants, or convertible instruments.

How were the additional UBFO shares acquired according to the filing?

The explanation states that the shares were acquired through a dividend reinvestment plan, where cash dividends are used to buy additional common stock.