NB Bancorp Inc.

Last updated September 27, 2026

Organization details

Legal name
NB Bancorp Inc.
Ownership
Public
Status
Active
Sector (GICS)
Financials
SIC code
6036 — Savings Institutions, Not Federally Chartered
Headquarters city
Needham
Headquarters state / province
Massachusetts
Headquarters country
United States
Fiscal year end
December
Ticker symbol
NBBK
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001979330
EIN
93-2560883
Wikidata ID
Q137117770

Board of directors

Chief executives

Joseph P. Campanelli · President & CEO
Since December 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$759,760
25 purchases by 4 insiders
Sold, last 12 months
$45,860
1 sale by 1 insider
Date Insider Transaction Shares Price Value
Aug 20, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +2,000 $21.75 $43,500
Aug 20, 2026 Lapointe Jean-Pierre Officer (SEVP and CFO) Open-market purchase +200 $21.80 $4,360
Aug 14, 2026 Henkin Kevin Officer (EVP, Chief Credit Officer) Open-market sale −2,000 $22.93 $45,860
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +500 $19.16 $9,580
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +133 $19.17 $2,550
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +400 $19.18 $7,672
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +100 $19.18 $1,918
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +767 $19.18 $14,711
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +500 $19.19 $9,595
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +253 $19.20 $4,858
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +100 $19.21 $1,921
May 15, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Open-market purchase +247 $19.21 $4,745
Apr 24, 2026 Joseph P. Campanelli Director, Officer (President & CEO), Chairman of the Board Shares withheld for tax −24,371 $19.82 $483,033
Apr 24, 2026 William Darcey Director Shares withheld for tax −4,918 $19.82 $97,475
Apr 24, 2026 Angela Jackson Director Shares withheld for tax −4,918 $19.82 $97,475

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Questions about NB Bancorp Inc.

Who is the CEO of NB Bancorp Inc.?

Joseph P. Campanelli has been NB Bancorp Inc.'s President & CEO since December 2023.

How many directors are on NB Bancorp Inc.'s board?

NB Bancorp Inc.'s board has 13 directors: Angela Jackson, Christopher R. Lynch, Francis Orfanello, Hope Pascucci, Joseph B. Reilly, Joseph P. Campanelli, Joseph R. Nolan Jr., Kenneth C. Montgomery, Mark Whalen, Mary Susan Elliott and 3 others.

Are NB Bancorp Inc. insiders buying or selling shares?

Over the last 12 months, NB Bancorp Inc. insiders bought $759,760 of shares in 25 purchases and sold $45,860 of shares in 1 sale on the open market, as reported to the SEC on Forms 4 and 5.

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