Christopher R. Lynch - 30 Oct 2025 Form 4 Insider Report for NB Bancorp, Inc. (NBBK)

Role
Director
Signature
/s/ Steven Lanter, pursuant to power of attorney
Issuer symbol
NBBK
Transactions as of
30 Oct 2025
Transactions value $
$0
Form type
4
Filing time
03 Nov 2025, 16:08:24 UTC
Previous filing
18 Sep 2025
Next filing
12 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lynch Christopher R. Director 1063 GREAT PLAIN AVE, NEEDHAM /s/ Steven Lanter, pursuant to power of attorney 03 Nov 2025 0002003622

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NBBK Common Stock Gift $0 -600 -0.65% $0.00 92K 30 Oct 2025 Direct F1
holding NBBK Common Stock 60K 30 Oct 2025 By IRA
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026.