Gift4

RBB Bancorp

Total Value

Filing Date

Oct 29, 2026

1 transaction

Trade Summary

On Oct 27, 2026, Morris David Richard, Director, reported $0 of RBB Bancorp (RBB) across 1 transaction. The filing covers Common Stock, No Par Value and reflects balanced net activity of $0. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Insider Information

Name: Morris David Richard
Role: Director
Location: LOS ANGELES, CA

Filing Details

Filing Date: Oct 29, 2026
Transaction Date: Oct 27, 2026
Accession Number: 0001628280-26-068356
Form Type: 4

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Oct 27, 2026	Common Stock, No Par Value	2,400	—	Bona Fide Gift	—

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Footnotes

(F1)Represents shares gifted to a charitable organization.
(F2)These shares are held in a trust for the benefit of Mr. Morris' children for which Mr. Morris serves as co-trustee with his spouse, and for which Mr. Morris may be deemed to have voting and investment power. The shares held by the family trust were previously inadvertently reported as directly beneficially owned by the reporting person and are now reported as indirectly beneficially owned.
(F3)Restricted stock units convert into common stock on a one-for-one basis.
(F4)The remaining restricted stock units vest on 05/21/2027.
(F5)These remaining restricted stock units vest on 02/21/2027.
(F6)These remaining restricted stock units vest on 03/20/2027.

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^*

Morris David Richard

(Last)

(First)

(Middle)

1055 WILSHIRE BLVD

SUITE 1200

(Street)

LOS ANGELES

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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/27/2026

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)
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	10/27/2026		G		2,400⁽¹⁾	D	$0	41,022	I	By Family Trust⁽²⁾

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	⁽³⁾							⁽⁴⁾	⁽⁴⁾	Common Stock	700		700	D
Restricted Stock Units	⁽³⁾							⁽⁵⁾	⁽⁵⁾	Common Stock	2,225		2,225	D
Restricted Stock Units	⁽³⁾							⁽⁶⁾	⁽⁶⁾	Common Stock	3,164		3,164	D

Explanation of Responses:

1. Represents shares gifted to a charitable organization.

2. These shares are held in a trust for the benefit of Mr. Morris' children for which Mr. Morris serves as co-trustee with his spouse, and for which Mr. Morris may be deemed to have voting and investment power. The shares held by the family trust were previously inadvertently reported as directly beneficially owned by the reporting person and are now reported as indirectly beneficially owned.

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

4. The remaining restricted stock units vest on 05/21/2027.

5. These remaining restricted stock units vest on 02/21/2027.

6. These remaining restricted stock units vest on 03/20/2027.

Remarks:

	/s/ David Morris	10/29/2026
	** 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 as rendered by the SEC from accession 0001628280-26-068356.

RBB Bancorp

Trade Summary

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

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Footnotes

SEC Form 4

SEC Filing

SEC Form 4