James J. White - 25 Feb 2026 Form 4 Insider Report for NB Bancorp, Inc. (NBBK)

Role
EVP, Chief Administrative Offc
Signature
/s/ Steven Lanter, pursuant to power of attorney
Issuer symbol
NBBK
Transactions as of
25 Feb 2026
Net transactions value
$0
Form type
4
Filing time
27 Feb 2026, 11:17:23 UTC
Previous filing
27 Dec 2023
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
White James J. EVP, Chief Administrative Offc 1063 GREAT PLAIN AVE, NEEDHAM /s/ Steven Lanter, pursuant to power of attorney 27 Feb 2026 0002004488

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NBBK Common Stock Award $0 +6,874 +69% $0.000000 16,874 25 Feb 2026 Direct F1
holding NBBK Common Stock 10,000 25 Feb 2026 By IRA
holding NBBK Common Stock 30,217 25 Feb 2026 By 401(k) F2
holding NBBK Common Stock 3,382 25 Feb 2026 By ESOP 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 at a rate of 33 1/3% per year commencing on February 25, 2027.
F2 Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended.