United Security (UBFO) director gets 1,551 shares; holdings 16,398

United Security Bancshares (UBFO) filed a Form 4 reporting that a director acquired 1,551 shares of common stock on Oct 28, 2025 at $0.

Rhea-AI Filing Summary

United Security Bancshares (UBFO) filed a Form 4 reporting that a director acquired 1,551 shares of common stock on Oct 28, 2025 at $0. The filing states this was compensation for director fees, and the director’s direct holdings rose to 16,398 shares following the transaction.

Insider Trade Summary

Grant/Award: 1,551 shares

Grant/Award 1 txn

Insider Hammack Heather

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,551	$0.00	$0.00

Holdings After Transaction: Common Stock — 16,398 shares (Direct)

Footnotes (1)

1. F1. COMPENSATION FOR DIRECTOR FEES.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did UBFO disclose in this Form 4?

A director acquired 1,551 shares of United Security Bancshares common stock on Oct 28, 2025.

What was the transaction price for the UBFO shares?

The shares were acquired at $0, as part of compensation for director fees.

How many UBFO shares does the director own after the transaction?

The director beneficially owns 16,398 shares directly after the reported transaction.

What is the relationship of the reporting person to UBFO?

The reporting person is a Director of United Security Bancshares.

What was the Form 4 transaction date?

The transaction occurred on Oct 28, 2025.

What is the reason for the share acquisition?

The acquisition was labeled as compensation for director fees.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/29/2025 - 05:37 PM Learn about SEC filing dates

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).

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^*

Hammack Heather

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/28/2025

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	10/28/2025		A		1,551(1)	A	$0	16,398	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. COMPENSATION FOR DIRECTOR FEES.

Remarks:

	/s/ Heather Hammack	10/28/2025
	** 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.