RBB Bancorp (RBB) CFO exercises 1,878 RSUs; 674 shares withheld for tax

Rhea-AI Filing Summary

RBB Bancorp EVP/CFO Lynn M. Hopkins exercised restricted stock units into 1,878 shares of common stock at $20.43 per share. Of these, 674 shares were withheld to cover tax obligations, leaving 3,541 common shares held directly after the transactions. She also continues to hold multiple unvested restricted and performance stock unit awards that may settle in common stock if service and performance conditions are met.

Insider Trade Summary

1,878 shares exercised/converted

Mixed 7 txns

Insider HOPKINS LYNN M

Role EVP/CFO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	1,878	$0.00	--
Exercise	Common Stock, No Par Value	1,878	$20.43	$38K
Tax Withholding	Common Stock, No Par Value	674	$20.43	$14K
holding	Performance Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Restricted Stock Units	--	--	--
holding	Performance Stock Units	--	--	--

Holdings After Transaction: Restricted Stock Units — 1,878 shares (Direct); Common Stock, No Par Value — 4,215 shares (Direct); Performance Stock Units — 8,451 shares (Direct)

Footnotes (1)

1. There will be no expiration date once restricted stock units vest. These restricted stock units vest in three equal annual installments beginning one year after the 03/20/2024 date of grant. These performance stock units ("PSUs") will vest conditionally on the achievement of certain performance goals and an employment condition. The reported PSUs will vest at the expiration of a three-year period beginning on 03/20/2024 subject to the Reporting Person's satisfaction of the employment condition. These restricted stock units vest in five equal annual installments beginning one year after the 04/22/2024 date of grant. These restricted stock units vest in three equal annual installments beginning one year after the 05/08/2025 date of grant Performance Stock Units ("PSUs") to vest conditionally on the achievement of certain performance goals and an employment condition. The PSUs are awarded at a target level and have the opportunity to vest at 150% of such target level; The reported PSUs represent the maximum award that may be achieved and ultimately vest. The reported PSUs will vest at the expiration of a three-year period beginning on 05/08/2025 subject to the Reporting Person's satisfaction of the employment condition. On May 12, 2025 due to an administrative error, the Reporting Person filed a Form 4 which inadvertently omitted information from the transactional columns in Table II and overstated the amount of RSUs and PSUs granted to the Reporting Person on May 8, 2025. The Form 4 has also been amended to clarify that grants of RSUs and PSUs will be settled in common stock.

Form 4 Insider Transactions: What Each Field Means →

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^*

HOPKINS LYNN M

(Last) (First) (Middle)

1055 WILSHIRE BLVD., SUITE 1220

(Street)

LOS ANGELES CALIFORNIA 90017

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
RBB Bancorp [ RBB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/20/2026

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, No Par Value	03/20/2026		M		1,878	A	$20.43	4,215	D
Common Stock, No Par Value	03/20/2026		F		674	D	$20.43	3,541	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
Restricted Stock Units	$20.43	03/20/2026		M			1,878	(2)	(1)	Common Stock(7)	3,756	$0	1,878	D
Performance Stock Units	$0.0000							(3)	(1)	Common Stock(7)	8,451		8,451	D
Restricted Stock Units	$0.0000							(4)	(1)	Common Stock(7)	7,666		7,666	D
Restricted Stock Units	$0.0000							(5)	(1)	Common Stock(7)	7,017(7)		7,017(7)	D
Performance Stock Units	$0.0000							(6)	(1)	Common Stock(7)	10,524(7)		10,524(7)	D

Explanation of Responses:

1. There will be no expiration date once restricted stock units vest.

2. These restricted stock units vest in three equal annual installments beginning one year after the 03/20/2024 date of grant.

3. These performance stock units ("PSUs") will vest conditionally on the achievement of certain performance goals and an employment condition. The reported PSUs will vest at the expiration of a three-year period beginning on 03/20/2024 subject to the Reporting Person's satisfaction of the employment condition.

4. These restricted stock units vest in five equal annual installments beginning one year after the 04/22/2024 date of grant.

5. These restricted stock units vest in three equal annual installments beginning one year after the 05/08/2025 date of grant

6. Performance Stock Units ("PSUs") to vest conditionally on the achievement of certain performance goals and an employment condition. The PSUs are awarded at a target level and have the opportunity to vest at 150% of such target level; The reported PSUs represent the maximum award that may be achieved and ultimately vest. The reported PSUs will vest at the expiration of a three-year period beginning on 05/08/2025 subject to the Reporting Person's satisfaction of the employment condition.

7. On May 12, 2025 due to an administrative error, the Reporting Person filed a Form 4 which inadvertently omitted information from the transactional columns in Table II and overstated the amount of RSUs and PSUs granted to the Reporting Person on May 8, 2025. The Form 4 has also been amended to clarify that grants of RSUs and PSUs will be settled in common stock.

Remarks:

Shares issued for vesting of 3/20/2024 RSU grant and shares disposed in settlement of tax withholding obligations for such RSU vesting.

	/s/ Lynn Hopkins	03/24/2026
	** 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)

FAQ

What insider transaction did RBB (RBB) report for EVP/CFO Lynn Hopkins?

RBB Bancorp reported that EVP/CFO Lynn M. Hopkins exercised restricted stock units into 1,878 shares of common stock at $20.43 per share. The filing also shows related tax-share withholding and updated post-transaction common share holdings.

How many RBB (RBB) shares did the CFO receive and retain after the Form 4?

The CFO acquired 1,878 shares of RBB Bancorp common stock through an option-style RSU exercise. After 674 shares were withheld to cover taxes, she directly held 3,541 common shares according to the reported post-transaction balance.

Was the RBB (RBB) CFO’s Form 4 transaction a market sale or tax withholding?

The Form 4 shows a tax-withholding disposition, coded F, for 674 shares at $20.43 per share. This indicates shares were withheld to satisfy tax obligations, not sold in an open-market transaction, which limits its signaling value on insider sentiment.

What derivative awards does the RBB (RBB) CFO still hold after these transactions?

The filing shows remaining performance stock units and restricted stock units that can settle in common stock at a $0.00 exercise price. Underlying share amounts include 8,451 and 10,524 performance units and 7,666 and 7,017 restricted units, all held directly.

How do vesting conditions work for the RBB (RBB) CFO’s RSUs and PSUs?

Footnotes explain that restricted stock units vest in installments beginning one year after grant dates in 2024 and 2025. Performance stock units vest over three-year periods, contingent on achieving performance goals and the executive satisfying an employment condition.

Did RBB (RBB) correct any prior reporting issues in this Form 4?

A footnote states that a May 12, 2025 Form 4 contained an administrative error overstating RSU and PSU grants dated May 8, 2025. The amendment clarifies accurate grant amounts and that these awards will be settled in common stock when they vest.