InsiderTrades

Form 4 for NBBK NB Bancorp, Inc.

Accepted 2025-09-12 00:00:00 ET · period of report 2025-09-10 · accession 0001437749-25-028911 · 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
2025-09-12 2025-09-10 NBBK Lynch Christopher R. Dir G - Gift $0.00 -600 93.2K -0.6% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-09-10 G D 600 $0.00 93,162 D — — (F1) Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026.