Chuang I. Lin - May 17, 2024 Form 4 Insider Report for RBB Bancorp (RBB)

Role: Director
Signature: /s/ Chuang-I Lin
Stock symbol: RBB
Transactions as of: May 17, 2024
Transactions value $: $0
Form type: 4
Date filed: 5/20/2024, 08:21 PM
Previous filing: May 17, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RBB	Common Stock, No Par Value	Options Exercise	$0	+10.3K	+36.77%	$0.00	38.1K	May 17, 2024	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RBB	Option (right to buy)	Options Exercise	$0	-10.3K	-50%	$0.00	10.3K	May 17, 2024	Common Stock	10.3K	$13.21	Direct	F1
holding	RBB	Option (right to buy)						10K	May 17, 2024	Common Stock	10K	$17.08	Direct	F2
holding	RBB	Option (right to buy)						10K	May 17, 2024	Common Stock	10K	$18.25	Direct	F3
holding	RBB	Restricted Stock Units						700	May 17, 2024	Restricted Stock Units	1.6K	$0.00	Direct	F4, F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These options vest in three equal annual installments beginning one year after the 05/21/2014 date of grant.
F2	These options vest in three equal annual installments beginning one year after the 05/20/2015 date of grant.
F3	These options vest in three equal annual installments beginning one year after the 05/17/2016 date of grant.
F4	There will be no expiration date once restricted stock units vest.
F5	These restricted stock units vest in two installments: 900 immediately vested on the date of grant and 700 vest in one year from the date of grant.