RBB Bancorp — Director's Dealing 2025

May 12, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RBB Bancorp (RBB)
CIK: 0001499422
Period of Report: 2025-05-08

Reporting Person: Huang Tsu Te (EVP)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, No Par Value	14904	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$0.0000		Restricted Stock Units (659)	659	Direct
Restricted Stock Units	$0.0000		Restricted Stock Units (1487)	1487	Direct
Restricted Stock Units	$0.0000		Restricted Stock Units (2872)	2872	Direct

Footnotes

F1: There will be no expiration date once restricted stock units vest.

F2: These restricted stock units vest in three equal annual installments beginning one year after the 01/18/2023 date of grant.

F3: These restricted stock units vest in three equal annual installments beginning one year after the 02/21/2024 date of grant.

F4: These restricted stock units vest in four equal annual installments beginning one year after the 05/08/2025 date of grant.