RBB Bancorp — Director's Dealing 2021

Feb 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: RBB Bancorp (RBB)
CIK: 0001499422
Period of Report: 2021-02-17

Reporting Person: Lin Ko-Yen (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-02-17	Common Stock, No Par Value	M	10763	$11.1498	Acquired	116591	Direct
2021-02-18	Common Stock, No Par Value	S	10763	$18.6775	Disposed	105828	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-02-17	Option (right to buy)	$11.1498	M	10763	Disposed	2012-05-16	Common Stock (10763)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Option (right to buy)	$11.1498	2023-05-15	Common Stock (10763)	10763	Direct
Option (right to buy)	$18.2500	2026-05-17	Common Stock (10000)	10000	Direct

Footnotes

F1: Exercise of reporting person's stock options that would otherwise expire 05/16/2022, of which shares were sold to pay the exercise price, to cover withholding taxes, and to pay broker fees and commissions, pursuant to a broker-assisted cashless exercise and sale.

F2: Price reflected is the weighted-average sale price for shares sold. The shares were sold in multiple transactions, and the range of sale prices for the transactions reported was $18.52 to $18.79. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or any staff member of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each separate price.

F3: These options vest in three equal annual installments beginning one year after the 05/16/2012 date of grant.

F4: These options vest in three equal annual installments beginning one year after the 05/15/2013 date of grant.

F5: These options vest in three equal annual installments beginning one year after the 05/17/2016 date of grant.