First US Bancshares director buys 907 shares

FIRST US BANCSHARES, INC.

Rhea-AI Filing Summary

FIRST US BANCSHARES, INC. (FUSB) director Robert C. Field reported that Highland Mortgage, LLC, an entity associated with him, purchased a total of 907 shares of common stock in open-market or private transactions on September 10–11, 2026 at prices of $16.45–$16.46 per share. A separate line reports 2,960 shares held directly as of September 10, 2026. Field disclaims beneficial ownership of the Highland Mortgage, LLC shares except to the extent of his pecuniary interest.

Insider Trade Summary

Net Buyer: 907 shares

Net Buy 3 txns

Insider FIELD Robert C

Role Director

Bought 907 shs ($15K)

Type	Security	Shares	Price	Value
Purchase	Common Stock, $.01 par value F1	238	$16.45	$4K
Purchase	Common Stock, $.01 par value F1	669	$16.46	$11K
holding	Common Stock, $.01 par value	--	--	--

Holdings After Transaction: Common Stock, $.01 par value — 14,181 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 September 11, 2026: 238 shares Price per share September 11, 2026 purchase: $16.45 per share Shares purchased September 10, 2026: 669 shares +3 more

6 metrics

Shares purchased September 11, 2026 238 shares Indirect purchase by Highland Mortgage, LLC at $16.45 per share

Price per share September 11, 2026 purchase $16.45 per share 238 shares of common stock acquired indirectly

Shares purchased September 10, 2026 669 shares Indirect purchase by Highland Mortgage, LLC at $16.46 per share

Price per share September 10, 2026 purchase $16.46 per share 669 shares of common stock acquired indirectly

Total shares purchased 907 shares Net buy across reported transactions by Highland Mortgage, LLC

Directly held shares after transactions 2,960 shares Direct holdings reported as of September 10, 2026

Key Terms

indirect ownership, pecuniary interest, Rule 10b5-1 trading plan

3 terms

indirect ownership financial

"reported as indirect ownership by Highland Mortgage, LLC"

pecuniary interest financial

"except to the extent of his pecuniary interest therein"

Rule 10b5-1 trading plan regulatory

"The filing’s Rule 10b5-1 checkbox is not marked as affirmative"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

FAQ

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

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

He reported that Highland Mortgage, LLC acquired 907 shares of FIRST US BANCSHARES common stock in open-market or private purchases on September 10–11, 2026 at prices around $16.45–$16.46 per share, reported as indirect ownership.

At what prices were the recent FUSB insider share purchases made?

The reported purchases were made at $16.46 per share for 669 shares on September 10, 2026 and $16.45 per share for 238 shares on September 11, 2026, all in FIRST US BANCSHARES common stock.

How many FUSB shares did Highland Mortgage, LLC buy in total in this Form 4?

Highland Mortgage, LLC is reported to have purchased a total of 907 shares of FIRST US BANCSHARES common stock, consisting of 669 shares on September 10, 2026 and 238 shares on September 11, 2026.

Does Robert C. Field hold any FUSB shares directly?

Yes. A holding line in the filing states that Robert C. Field held 2,960 shares of FIRST US BANCSHARES common stock directly as of September 10, 2026.

Are the FUSB insider purchases made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirmative, and no footnote states that these trades were made under a Rule 10b5-1 trading plan, so no such plan is reported for these transactions.

What ownership disclaimer does Robert C. Field make regarding the FUSB shares held by Highland Mortgage, LLC?

He states that he disclaims beneficial ownership of the securities held by Highland Mortgage, LLC except to the extent of his pecuniary interest in those securities.

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

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Available on EDGAR 09/11/2026 - 04:55 PM Accepted by SEC EDGAR 09/11/2026 - 04:55 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)
09/10/2026

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	09/10/2026		P		669	A	$16.46	13,943	I	By Highland Mortgage, LLC(1)
Common Stock, $.01 par value	09/11/2026		P		238	A	$16.45	14,181	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	09/11/2026
	** 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)