First US Bancshares director buys 412 shares

FIRST US BANCSHARES, INC.

Rhea-AI Filing Summary

FIRST US BANCSHARES, INC. (FUSB) director Robert C. Field reported that an entity associated with him, Highland Mortgage, LLC, purchased 412 shares of common stock on September 3, 2026 at $16.40 per share in an open-market or private transaction. Following this transaction, Highland Mortgage, LLC holds 12,000 shares indirectly for him, and he also holds 2,960 shares directly.

The filing states that Robert C. Field disclaims beneficial ownership of the shares held by Highland Mortgage, LLC except to the extent of his pecuniary interest, and no Rule 10b5-1 trading plan is reported for this purchase.

Insider Trade Summary

Net Buyer: 412 shares

Net Buy 2 txns

Insider FIELD Robert C

Role Director

Bought 412 shs ($7K)

Type	Security	Shares	Price	Value
Purchase	Common Stock, $.01 par value F1	412	$16.40	$7K
holding	Common Stock, $.01 par value	--	--	--

Holdings After Transaction: Common Stock, $.01 par value — 12,000 shares (Indirect, By Highland Mortgage, LLC); Common Stock, $.01 par value — 2,960 shares (Direct)

Footnotes (1)

1. F1. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Key Figures

Shares purchased: 412 shares Purchase price per share: $16.40 per share Indirect holdings after transaction: 12,000 shares +2 more

5 metrics

Shares purchased 412 shares Common stock purchased on September 3, 2026 by Highland Mortgage, LLC

Purchase price per share $16.40 per share Price paid for FUSB common stock on September 3, 2026

Indirect holdings after transaction 12,000 shares Common stock held indirectly via Highland Mortgage, LLC after purchase

Direct holdings after transaction 2,960 shares Common stock held directly by Robert C. Field after reported transactions

Net buy shares in this Form 4 412 shares Net change from reported buy and sell transactions

Key Terms

beneficial ownership, pecuniary interest, indirect ownership, open market or private transaction

4 terms

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

"except to the extent of his pecuniary interest therein"

indirect ownership regulatory

"ownership type is indirect, nature of ownership By Highland Mortgage, LLC"

open market or private transaction market

"Purchase in open market or private transaction"

FAQ

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

He reported that Highland Mortgage, LLC, an entity associated with him, purchased 412 shares of FIRST US BANCSHARES, INC. common stock on September 3, 2026 at $16.40 per share in an open-market or private transaction.

How many FUSB shares does Robert C. Field hold after this transaction?

After the reported transaction, Highland Mortgage, LLC holds 12,000 shares indirectly for Robert C. Field, and he also holds 2,960 shares directly of FIRST US BANCSHARES, INC. common stock.

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

No. The Form 4 indicates the Rule 10b5-1 checkbox is not marked, so the 412-share purchase by Highland Mortgage, LLC was not reported as being made under a Rule 10b5-1 trading plan.

Who actually holds the 412 newly purchased FUSB shares?

The 412 newly purchased shares of FIRST US BANCSHARES, INC. are held by Highland Mortgage, LLC. Robert C. Field reports indirect ownership through this entity and disclaims beneficial ownership except to the extent of his pecuniary interest.

What does Robert C. Field’s beneficial ownership disclaimer mean for FUSB shares?

He states that he disclaims beneficial ownership of the FIRST US BANCSHARES, INC. shares held by Highland Mortgage, LLC, except to the extent of his pecuniary interest in them, indicating his economic interest may be limited to his financial stake in that entity.

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Available on EDGAR 09/04/2026 - 02:15 PM Accepted by SEC EDGAR 09/04/2026 - 02:14 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^*

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)
09/03/2026

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	09/03/2026		P		412	A	$16.4	12,000	I	By Highland Mortgage, LLC(1)
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. 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)