InsiderTrades

Form 4 for RBB RBB Bancorp

Accepted 2026-05-26 20:11:10 ET · period of report 2026-05-21 · accession 0001437749-26-018417 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-26 20:11 2026-05-21 RBB LIN CHUANG I Dir M - OptEx $0.00 +700 52.0K +1% $0
D 2026-05-26 20:11 2026-05-21 RBB LIN CHUANG I Dir M - OptEx $0.00 -700 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, No Par Value 2026-05-21 M A 700 $0.00 52,047 D — —
2 Derivative Restricted Stock Units 2026-05-21 M D 700 $0.00 0 D — · — to — 700 Common Stock (F1) Restricted stock units convert into common stock on a one-for-one basis. (F2) On May 21, 2025, the reporting person was granted 3,221 restricted stock units: 2,521 immediately vested and 700 vested on the one year anniversary of the grant date. (F2) On May 21, 2025, the reporting person was granted 3,221 restricted stock units: 2,521 immediately vested and 700 vested on the one year anniversary of the grant date.