Chuang I. Lin - 20 May 2025 Form 4 Insider Report for RBB Bancorp (RBB)

Role
Director
Signature
/s/ Chuang-I Lin
Issuer symbol
RBB
Transactions as of
20 May 2025
Net transactions value
$0
Form type
4
Filing time
22 May 2025, 18:03:51 UTC
Previous filing
16 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
LIN CHUANG I Director 1055 WILSHIRE BLVD, SUITE 1200, LOS ANGELES /s/ Chuang-I Lin 22 May 2025 0001185981

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 +10,000 +26% $0.000000 48,826 20 May 2025 Direct
transaction RBB Common Stock, No Par Value Options Exercise $0 +2,521 +5.2% $0.000000 51,347 21 May 2025 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 -10,250 -50% $0.000000 10,250 17 May 2024 Common Stock 10,250 $13.21 Direct F1
transaction RBB Option (right to buy) Options Exercise $0 -10,000 -100% $0.000000 0 20 May 2025 Common Stock 10,000 $17.08 Direct F1
transaction RBB Restricted Stock Units Options Exercise $0 -2,521 -78% $0.000000 700 21 May 2025 Restricted Stock Units 3,221 $0.000000 Direct F3, F4
holding RBB Option (right to buy) 10,000 20 May 2025 Common Stock 10,000 $18.25 Direct F2
* 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 05/17/2016 date of grant.
F3 There will be no expiration date once restricted stock units vest.
F4 These restricted stock units granted on 5/21/2025 vest in two installments:2,521 immediately vested on date of grant and 700 vest in one year from the date of grant