Vincent Liu - 16 Jan 2026 Form 4 Insider Report for RBB Bancorp (RBB)

Role
EVP
Signature
/s/ Vincent Liu
Issuer symbol
RBB
Transactions as of
16 Jan 2026
Net transactions value
+$15,243
Form type
4
Filing time
21 Jan 2026, 19:57:32 UTC
Previous filing
24 Mar 2025
Next filing
24 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Liu Vincent EVP 1055 WILSHIRE BLVD, SUITE 1200, LOS ANGELES /s/ Vincent Liu 21 Jan 2026 0001711562

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RBB Common Stock, No Par Value Options Exercise $25,937 +1,203 +8.1% $21.56 16,097 16 Jan 2026 Direct
transaction RBB Common Stock, No Par Value Tax liability $10,694 -496 -3.1% $21.56 15,601 16 Jan 2026 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 -1,203 -100% $0.000000 0 16 Jan 2026 Common Stock 1,203 $0.000000 Direct F1, F2, F5
holding RBB Restricted Stock Units 1,863 16 Jan 2026 Common Stock 1,863 $0.000000 Direct F1, F3, F5
holding RBB Restricted Stock Units 3,670 16 Jan 2026 Common Stock 3,670 $0.000000 Direct F1, F4, F5
* 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 three equal annual installments beginning one year after the 01/18/2023 date of grant.
F3 These restricted stock units vest in three equal annual installments beginning one year after the 02/21/2024 date of grant.
F4 These restricted stock units vest in three equal annual installments beginning one year after the 03/20/2024 date of grant.
F5 The Form 4 has been updated to clarify that grants of RSUs will be settled in common stock.

Remarks:

Shares issued for vesting of 1/18/2023 RSU grant and shares disposed in settlement of tax withholding obligations for such RSU vesting.