First US Bancshares director buys 113 shares

FUSB director Robert C. Field, through an affiliated LLC, reported buying 113 shares in the open market at about $16.46 per share.

Rhea-AI Filing Summary

FIRST US BANCSHARES, INC. (FUSB) director Robert C. Field reported an open-market purchase of common stock on September 4, 2026. An entity associated with him, Highland Mortgage, LLC, purchased 113 shares at a weighted average price between $16.45 and $16.47 per share.

After this transaction, Highland Mortgage, LLC held 12,113 shares of FUSB common stock indirectly attributed to Field, and Field also held 2,960 shares directly. Field disclaims beneficial ownership of the LLC-held shares except to the extent of his pecuniary interest.

Insider Trade Summary

Net Buyer: 113 shares

Net Buy 2 txns

Insider FIELD Robert C

Role Director

Bought 113 shs ($2K)

Type	Security	Shares	Price	Value
Purchase	Common Stock, $.01 par value F1, F2	113	$16.45	$2K
holding	Common Stock, $.01 par value	--	--	--

Holdings After Transaction: Common Stock, $.01 par value — 12,113 shares (Indirect, By Highland Mortgage, LLC); Common Stock, $.01 par value — 2,960 shares (Direct)

Footnotes (2)

1. F1. This price represents the weighted average purchase price (rounded to the nearest cent) for multiple transactions reported on this line. The prices of the transactions reported on this line ranged from $16.45 to $16.47. Upon request by the Commission staff, the issuer or a security holder of the issuer, the reporting person will undertake to provide full information regarding the number of shares purchased at each separate price.
2. F2. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Key Figures

Shares purchased: 113 shares Weighted average purchase price: $16.45 per share Price range: $16.45–$16.47 per share +2 more

5 metrics

Shares purchased 113 shares Open-market purchase of FUSB common stock on September 4, 2026

Weighted average purchase price $16.45 per share Rounded weighted average; trade prices ranged from $16.45 to $16.47

Price range $16.45–$16.47 per share Range of prices for the multiple transactions included in the reported line

Indirect holdings after transaction 12,113 shares FUSB common stock held indirectly by Highland Mortgage, LLC after the purchase

Direct holdings after transaction 2,960 shares FUSB common stock held directly by Robert C. Field as reported

Key Terms

weighted average purchase price, beneficial ownership, pecuniary interest

3 terms

weighted average purchase price financial

"This price represents the weighted average purchase price (rounded to the nearest cent)"

The weighted average purchase price is the average cost per share you paid across multiple buys, calculated so larger purchases count more than smaller ones. Imagine buying apples at different prices: the overall price you effectively paid depends on how many apples you bought at each price. Investors use it to measure true cost basis, calculate gains or losses, decide when to sell, and manage taxes and portfolio performance.

beneficial ownership regulatory

"The reporting person disclaims beneficial ownership of these securities"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"disclaims beneficial ownership of these securities except to the extent of his pecuniary interest"

FAQ

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

What insider transaction in FUSB stock did director Robert C. Field report?

Director Robert C. Field reported an open-market purchase of 113 shares of FIRST US BANCSHARES, INC. common stock on September 4, 2026, through Highland Mortgage, LLC, at a weighted average price between $16.45 and $16.47 per share.

At what price did the insider buy FUSB shares?

The reported transaction used a weighted average purchase price rounded to $16.45 per share, with individual trades ranging from $16.45 to $16.47. The reporting person has undertaken to provide full detail on request about the number of shares purchased at each separate price.

How many FUSB shares does Robert C. Field hold after this Form 4 filing?

Following the reported transaction, Highland Mortgage, LLC held 12,113 shares of FUSB common stock indirectly attributed to Robert C. Field, and he also held 2,960 shares directly. He disclaims beneficial ownership of the LLC-held shares except to the extent of his pecuniary interest.

Was the FUSB insider purchase made under a Rule 10b5-1 trading plan?

No. The filing indicates the Rule 10b5-1 checkbox is not marked, and there is no footnote stating that the September 4, 2026 purchase of 113 shares was made pursuant to a Rule 10b5-1 or other pre-arranged trading plan.

Are the FUSB shares purchased held directly by Robert C. Field?

No. The 113 shares purchased on September 4, 2026 are held indirectly by Highland Mortgage, LLC. The filing states that Robert C. Field disclaims beneficial ownership of these securities except to the extent of his pecuniary interest in that entity.

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

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Available on EDGAR 09/04/2026 - 05:05 PM EDT Accepted by SEC EDGAR 09/04/2026 - 05:05 PM EDT 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^*

FIELD Robert C

(Last) (First) (Middle)

3291 US HIGHWAY 280

(Street)

BIRMINGHAM ALABAMA 35243

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FIRST US BANCSHARES, INC. [ FUSB ]

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)
09/04/2026

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)

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, $.01 par value	09/04/2026		P		113	A	$16.45(1)	12,113	I	By Highland Mortgage, LLC(2)
Common Stock, $.01 par value								2,960	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. This price represents the weighted average purchase price (rounded to the nearest cent) for multiple transactions reported on this line. The prices of the transactions reported on this line ranged from $16.45 to $16.47. Upon request by the Commission staff, the issuer or a security holder of the issuer, the reporting person will undertake to provide full information regarding the number of shares purchased at each separate price.

2. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

	/s/Beverly J. Dozier, by power of attorney	09/04/2026
	** 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)