Joseph B. Reilly - 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, 12:30:09 UTC
Previous filing
25 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Reilly Joseph B Director 1063 GREAT PLAIN AVE, NEEDHAM /s/ Steven Lanter, pursuant to power of attorney 06 Jan 2026 0001749520

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NBBK Common Stock Award $0 +2,402 +20% $0.000000 14,414 02 Jan 2026 Direct F1
holding NBBK Common Stock 36,465 02 Jan 2026 By Revocable Trust
holding NBBK Common Stock 2,398 02 Jan 2026 By ESOP
* 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.