RBB Bancorp director exercises 700 RSUs into shares

RBB Bancorp director Bennett Bill reported a compensation-related share issuance.

Rhea-AI Filing Summary

RBB Bancorp director Bennett Bill reported a compensation-related share issuance. On May 21, 2026, he exercised restricted stock units to acquire 700 shares of RBB Bancorp common stock, bringing his direct common stock holdings reported in this filing to 700 shares.

The 700 shares came from 700 restricted stock units that vested on the one-year anniversary of a prior grant. That grant, dated May 21, 2025, covered 3,421 restricted stock units, of which 2,721 vested immediately and 700 vested after one year, converting into common stock on a one-for-one basis.

Insider Trade Summary

700 shares exercised/converted

Exercise 2 txns

Insider Bennett Bill

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	700	$0.00	$0.00
Exercise	Common Stock, No Par Value	700	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock, No Par Value — 700 shares (Direct)

Footnotes (2)

1. F1. Restricted stock units convert into common stock on a one-for-one basis.
2. F2. On May 21, 2025, the reporting person was granted 3,421 restricted stock units: 2,721 immediately vested and 700 vested on the one year anniversary of the grant date.

Key Figures

Common shares acquired: 700 shares RSUs converted: 700 units Original RSU grant: 3,421 units +1 more

4 metrics

Common shares acquired 700 shares Common Stock, No Par Value acquired on exercise of RSUs

RSUs converted 700 units Restricted stock units converting into common stock one-for-one

Original RSU grant 3,421 units Restricted stock units granted on May 21, 2025

Immediately vested RSUs 2,721 units Portion of 3,421-unit grant that vested immediately

Key Terms

Restricted stock units, derivative security, Common Stock, No Par Value, convert into common stock on a one-for-one basis

4 terms

Restricted stock units financial

"On May 21, 2025, the reporting person was granted 3,421 restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Common Stock, No Par Value financial

"security_title: Common Stock, No Par Value"

convert into common stock on a one-for-one basis financial

"Restricted stock units convert into common stock on a one-for-one basis."

FAQ

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

What insider transaction did RBB (RBB) disclose for director Bennett Bill?

RBB Bancorp disclosed that director Bennett Bill acquired 700 common shares through the exercise of restricted stock units. These units vested as part of a prior equity award and converted into common stock on a one-for-one basis, reflecting routine equity compensation rather than an open-market purchase.

How many RBB Bancorp shares did Bennett Bill acquire in this Form 4?

Bennett Bill acquired 700 shares of RBB Bancorp common stock. The shares resulted from vested restricted stock units that converted into common stock on a one-for-one basis, and the filing shows he directly holds 700 common shares following this transaction.

What was the original restricted stock unit grant reported for RBB director Bennett Bill?

The filing notes an original grant of 3,421 restricted stock units to Bennett Bill on May 21, 2025. Of that award, 2,721 units vested immediately, while the remaining 700 units vested one year later and then converted into RBB Bancorp common stock.

Did Bennett Bill buy or sell RBB stock on the market in this Form 4?

The Form 4 does not report any open-market buys or sells by Bennett Bill. It shows an exercise of restricted stock units, which is a conversion of equity awards into 700 common shares, rather than a market transaction at a stated purchase or sale price.

How do the restricted stock units convert into RBB Bancorp common stock?

The restricted stock units convert into RBB Bancorp common stock on a one-for-one basis. As they vest, each unit becomes one share of common stock, which is what occurred with the 700 units that vested and turned into 700 common shares for director Bennett Bill.

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

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Accepted by SEC EDGAR 05/26/2026 - 08:11 PM EDT 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

X

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^*

Bennett Bill

(Last) (First) (Middle)

1055 WILSHIRE BLVD

SUITE 1200

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026

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	05/21/2026		M		700	A	$0	700	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	(1)	05/21/2026		M			700	(2)	(2)	Common Stock	700	$0	0	D

Explanation of Responses:

1. Restricted stock units convert into common stock on a one-for-one basis.

2. On May 21, 2025, the reporting person was granted 3,421 restricted stock units: 2,721 immediately vested and 700 vested on the one year anniversary of the grant date.

	/s/ Bill Bennett	05/26/2026
	** 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)