Aubrey S. Miller - 31 Dec 2025 Form 4 Insider Report for FIRST US BANCSHARES, INC. (FUSB)

Role: Director
Signature: /s/Beverly J. Dozier, by power of attorney
Issuer symbol: FUSB
Transactions as of: 31 Dec 2025
Net transactions value: +$634
Form type: 4
Filing time: 02 Jan 2026, 12:46:07 UTC
Previous filing: 01 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Miller Aubrey S	Director	3291 US HIGHWAY 280, BIRMINGHAM	/s/Beverly J. Dozier, by power of attorney	02 Jan 2026	0001624068

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	FUSB	Phantom Stock Units	Award	$634	+45	+8.5%	$13.97	581	31 Dec 2025	Common Stock	45		Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The units convert to common stock on a 1-for-1 basis.
F2	Includes 2.42 shares attributable to quarterly dividends accrued under the First US Bancshares, Inc. Non-Employee Directors' Deferred Compensation Plan
F3	The phantom stock units were accrued under the First US Bancshares, Inc. Non-Employee Directors' Deferred Compensation Plan and are to be settled in common stock at the end of the deferral period.