Mary Susan Elliott - 02 Jan 2026 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
02 Jan 2026
Net transactions value
$0
Form type
4
Filing time
06 Jan 2026, 12:28:42 UTC
Previous filing
28 Apr 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Elliott Mary Susan Director 1063 GREAT PLAIN AVE, NEEDHAM /s/ Steven Lanter, pursuant to power of attorney 06 Jan 2026 0002003469

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NBBK Common Stock Award $0 +5,524 +5.5% $0.000000 105,761 02 Jan 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares of restricted stock vest 100% on January 2, 2027.
F2 Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026.