InsiderTrades

Form 4 for RBB RBB Bancorp

Accepted 2026-05-08 16:18:19 ET · period of report 2026-05-07 · accession 0001437749-26-015913 · 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 2026-05-08 16:18 2026-05-07 RBB LIN CHUANG I Dir M - OptEx $18.25 +10.0K 61.3K +19% +$182.5K
D 2026-05-08 16:18 2026-05-07 RBB LIN CHUANG I Dir S - Sale+OE $24.23 -10.0K 51.3K -16% -$242.3K
D 2026-05-08 16:18 2026-05-07 RBB LIN CHUANG I Dir M - OptEx $18.25 -10.0K 0 -100% -$182.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, No Par Value 2026-05-07 M A 10,000 $18.25 61,347 D — —
2 Common Common Stock, No Par Value 2026-05-07 S D 10,000 $24.23 51,347 D — —
3 Derivative Option (right to buy) 2026-05-07 M D 10,000 $18.25 0 D $18.25 · — to 2026-05-17 10,000 Common Stock (F1) These options vested in three equal annual installments beginning one year after the 05/17/2016 date of grant.