RBB Bancorp director exercises RSUs, gets new grant

Q: How many RBB Bancorp common shares came from RSU exercises in this filing?

The filing shows RSU exercises converting into 1,846 RBB common shares in one transaction and 700 common shares in another. Footnotes explain that restricted stock units convert into common stock on a one-for-one basis, so each RSU produced one share.

Q: What new restricted stock unit grant did RBB director Geraldine Pannu receive?

She received a new grant of 2,546 restricted stock units tied to RBB common stock. According to the footnotes, 1,846 RSUs vested immediately, while 700 RSUs will vest on the one-year anniversary of the May 21, 2026 grant date.

RBB Bancorp director Geraldine Pannu reported compensation-related equity activity involving restricted stock units and common shares.

Filing Impact

(Neutral)

Filing Sentiment

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Form Type

Rhea-AI Filing Summary

RBB Bancorp director Geraldine Pannu reported compensation-related equity activity involving restricted stock units and common shares. On May 21, 2026, she exercised RSUs that converted one-for-one into 1,846 common shares and a separate block of 700 common shares, both at a stated price of $0.00 per share.

These transactions reflect the vesting and conversion of prior RSU awards. The filing also shows a new grant of 2,546 restricted stock units, with footnotes stating that 1,846 vested immediately and 700 will vest on the one-year anniversary of the grant date. Following these awards and conversions, she continues to hold common stock directly.

Insider Trade Summary

2,546 shares exercised/converted

Exercise 5 txns

Insider Pannu Geraldine

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	700	$0.00	$0.00
Grant/Award	Restricted Stock Units	2,546	$0.00	$0.00
Exercise	Restricted Stock Units	1,846	$0.00	$0.00
Exercise	Common Stock, No Par Value	700	$0.00	$0.00
Exercise	Common Stock, No Par Value	1,846	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 700 contracts (Direct); Common Stock, No Par Value — 8,267 shares (Direct)

Footnotes (3)

F1. Restricted stock units convert into common stock on a one-for-one basis.
F2. On May 21, 2025, the reporting person was granted 3,521 restricted stock units: 2,821 immediately vested and 700 vested on the one year anniversary of the grant date.
F3. On May 21, 2026, the reporting person was granted 2,546 restricted stock units: 1,846 vested immediately and 700 will vest on the one year anniversary of the grant date.

Key Figures

Common shares from RSU exercise: 1,846 shares Additional common shares from RSU exercise: 700 shares New RSU grant size: 2,546 units +3 more

6 metrics

Common shares from RSU exercise 1,846 shares RSUs converted to common stock on May 21, 2026

Additional common shares from RSU exercise 700 shares Separate RSU block converted on May 21, 2026

New RSU grant size 2,546 units Restricted stock units granted on May 21, 2026

Immediately vested RSUs from 2026 grant 1,846 units Portion of 2,546-unit RSU grant vested immediately

RSUs vesting in one year 700 units From May 21, 2026 RSU grant vesting after one year

Shares held after largest common-stock line 8,267 shares Direct common stock holdings shown after one transaction

Key Terms

Restricted stock units, derivative security, grant, award, or other acquisition, one-for-one basis, +1 more

5 terms

Restricted stock units financial

"The filing also shows a new grant of 2,546 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.

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

one-for-one basis financial

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

total_shares_following_transaction financial

"total_shares_following_transaction: 8,267.0000 for one common stock line"

FAQ

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

What equity transactions did RBB director Geraldine Pannu report on this Form 4 for RBB?

Geraldine Pannu reported RSU-related transactions, exercising units into 1,846 and 700 RBB common shares at $0.00 per share. She also reported a new grant of 2,546 restricted stock units as part of her director compensation program.

Did Geraldine Pannu buy or sell RBB Bancorp (RBB) shares on the open market?

The Form 4 shows no open-market buys or sells for RBB shares. All activity involves RSU vesting, conversion into common stock, and a new RSU grant, which are compensation-related transactions rather than discretionary market purchases or sales.

How many RBB Bancorp common shares came from RSU exercises in this filing?

The filing shows RSU exercises converting into 1,846 RBB common shares in one transaction and 700 common shares in another. Footnotes explain that restricted stock units convert into common stock on a one-for-one basis, so each RSU produced one share.

What new restricted stock unit grant did RBB director Geraldine Pannu receive?

She received a new grant of 2,546 restricted stock units tied to RBB common stock. According to the footnotes, 1,846 RSUs vested immediately, while 700 RSUs will vest on the one-year anniversary of the May 21, 2026 grant date.

Are there any remaining derivative positions disclosed for RBB director Geraldine Pannu?

The derivative summary in this filing is empty, indicating no additional derivative positions such as unexercised RSUs or options are listed beyond the reported RSU conversions and the new 2,546-unit restricted stock grant detailed in the transaction table and footnotes.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/26/2026 - 08:12 PM EDT

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^*

Pannu Geraldine

(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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, No Par Value	05/21/2026		M		700	A	$0	6,421	D
Common Stock, No Par Value	05/21/2026		M		1,846	A	$0	8,267	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	05/21/2026		M			700	⁽²⁾	⁽²⁾	Common Stock	700	$0	0	D
Restricted Stock Units	⁽¹⁾	05/21/2026		A		2,546		⁽³⁾	⁽³⁾	Common Stock	2,546	$0	2,546	D
Restricted Stock Units	⁽¹⁾	05/21/2026		M			1,846	⁽³⁾	⁽³⁾	Common Stock	1,846	$0	700	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 3,521 restricted stock units: 2,821 immediately vested and 700 vested on the one year anniversary of the grant date.

3. On May 21, 2026, the reporting person was granted 2,546 restricted stock units: 1,846 vested immediately and 700 will vest on the one year anniversary of the grant date.

	/s/ Geraldine Pannu	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)

Source: View Original Filing on SEC EDGAR