InsiderTrades

Form 4 for NBBK NB Bancorp, Inc.

Accepted 2026-08-21 16:05:18 ET · period of report 2026-08-20 · accession 0001104659-26-099677 · 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
2026-08-21 16:05 2026-08-20 NBBK Lapointe Jean-Pierre CFO, SEVP P - Purchase $21.80 +200 110.5K +0.2% +$4,360

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-20 P A 200 $21.80 110,531 D — — (F1) Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026. (F2) Shares of restricted stock vest at a rate of 33 1/3% per year commencing on February 25, 2027.