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

Signature
/s/ Diana Hanson
Issuer symbol
RBB
Transactions as of
19 Aug 2025
Net transactions value
+$9,624
Form type
4
Filing time
21 Aug 2025, 17:48:08 UTC
Previous filing
29 Aug 2024

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 21 Aug 2025 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 $15,003 +767 $19.56 767 19 Aug 2025 Direct
transaction RBB Common Stock, No Par Value Tax liability $5,379 -275 -36% $19.56 492 19 Aug 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% $0.000000 2,300 19 Aug 2025 Common Stock 3,067 $0.000000 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.