Diana Hanson - Aug 19, 2025 Form 4 Insider Report for RBB Bancorp (RBB)

Role
Chief Accounting Officer
Signature
/s/ Diana Hanson
Stock symbol
RBB
Transactions as of
Aug 19, 2025
Transactions value $
$9,624
Form type
4
Date filed
8/21/2025, 05:48 PM
Previous filing
Aug 29, 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hanson Diana Chief Accounting Officer 1055 WILSHIRE BLVD, SUITE 1200, LOS ANGELES /s/ Diana Hanson 2025-08-21 0001794553

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RBB Common Stock, No Par Value Options Exercise $15K +767 $19.56 767 Aug 19, 2025 Direct
transaction RBB Common Stock, No Par Value Tax liability -$5.38K -275 -35.85% $19.56 492 Aug 19, 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 Restricted Stock Units Options Exercise $0 -767 -25.01% $0.00 2.3K Aug 19, 2025 Common Stock 3.07K $0.00 Direct F1, F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 There will be no expiration date once restricted stock units vest.
F2 These restricted stock units vest in four equal annual installments beginning one year after the 08/19/2024 date of grant.
F3 The Form 4 has been updated to clarify that grants of RSUs will be settled in Common Stock.

Remarks:

Shares issued for vesting of 8/19/2024 RSU grant and shares disposed in settlement of tax withholding obligations for such RSU vesting.