RBB Bancorp (RBB) EVP Vincent Liu exercises RSUs and withholds shares for taxes

Rhea-AI Filing Summary

RBB Bancorp EVP Vincent Liu reported equity award activity involving restricted stock units and common shares. On February 20, 2026, he exercised 932 restricted stock units, which converted into 932 shares of RBB common stock at a stated price of $22.20 per share. In a separate transaction that same day, 384 common shares were disposed of to cover tax obligations related to the award, also at $22.20 per share.

After these transactions, Liu directly held 16,149 shares of common stock and 3,670 restricted stock units. Footnotes explain that certain RSU grants vest in three equal annual installments beginning one year after their 2024 grant dates and that, once vested, the units have no expiration date and are settled in common stock.

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

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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^*

Liu Vincent

(Last) (First) (Middle)

1055 WILSHIRE BLVD

SUITE 1200

(Street)

LOS ANGELES CA 90017

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	02/20/2026		M		932	A	$22.2	16,533	D
Common Stock, No Par Value	02/20/2026		F		384	D	$22.2	16,149	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	$22.2	02/20/2026		M			932	(2)	(1)	Common Stock(4)	1,863	$0	931	D
Restricted Stock Units	$0.0000							(3)	(1)	Common Stock(4)	3,670		3,670	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 02/21/2024 date of grant.

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

4. The Form 4 has been updated to clarify that grants of RSUs will be settled in common stock.

Remarks:

Shares issued for vesting of 2/21/2024 RSU grant and shares disposed in settlement of tax withholding obligations for such RSU vesting.

	/s/ Vincent Liu	02/24/2026
	** 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.

FAQ

What insider transactions did RBB (RBB) EVP Vincent Liu report?

Vincent Liu reported exercising 932 restricted stock units into common shares and a related tax-withholding share disposition of 384 common shares, both dated 20 February 2026, reflecting routine equity compensation activity rather than open‑market buying or selling.

How many RBB (RBB) shares does Vincent Liu directly hold after these Form 4 transactions?

After the reported transactions, Vincent Liu directly holds 16,149 shares of RBB common stock and 3,670 restricted stock units, according to the Form 4, showing his ongoing equity stake through both owned shares and unvested RSU awards.

What price is associated with Vincent Liu’s RBB common stock transactions on the Form 4?

The Form 4 shows a transaction price of $22.20 per share for both the 932 common shares received from RSU settlement and the 384 common shares disposed of to satisfy tax obligations tied to the restricted stock unit award.

How do Vincent Liu’s RBB restricted stock units vest according to the filing footnotes?

The filing notes that certain restricted stock units vest in three equal annual installments beginning one year after grant dates in February and March 2024, providing a structured, time‑based vesting schedule linked to continued service or other plan conditions.

Will Vincent Liu’s vested RBB restricted stock units expire in the future?

The footnotes state that once restricted stock units vest, they have no expiration date, meaning vested units remain outstanding until settled in common stock under the company’s equity plan and applicable award terms.

How are Vincent Liu’s RBB restricted stock units settled according to the updated Form 4?

An updated disclosure clarifies that grants of restricted stock units to Vincent Liu are settled in RBB common stock, aligning the RSU awards directly with the company’s equity and providing share‑based rather than cash‑based settlement upon vesting.