SEC Form 4 · accession 0001437749-26-028761
RBB Bancorp · RBB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Diana Hanson
Officer — Chief Accounting Officer
Period of report
Aug 19, 2026
Accepted (ET)
Aug 21, 2026 · 5:47 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001499422
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, No Par Value | Aug 19, 2026 | M | 767 | $0.00 | A | 1,259 | D | |
| Common Stock, No Par Value | Aug 19, 2026 | F | 276 | $26.40 | D | 983 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF4,F2,F1 | — | Aug 19, 2026 | M | 767 | D | — | — | Common Stock | 2,300 | 1,533 | D |
| Restricted Stock UnitsF4,F3,F1 | — | holding | — | — | — | — | — | Common Stock | 1,255 | 1,255 | D |
Explanation of responses
- F1There will be no expiration date once restricted stock units vest.
- F2These remaining restricted stock units vest in two equal annual installments on 08/19/2027 and 08/19/2028.
- F3These restricted stock units vest in four equal annual installments beginning one year after the 05/13/2026 date of grant.
- F4Restricted stock units convert into common stock on a one-for-one basis.
Remarks
Shares issued for vesting of 8/19/2024 RSU grant and shares disposed in settlement of tax withholding obligations for such RSU vesting.