Joseph Campanelli owns 1.11% of NB Bancorp
484,687 shares as of the August 20, 2026 filing, worth $10.6M at the latest close.
NBBK · $958M market capGet an email when Joseph Campanelli’s stake moves.
Free.
The stake
1.11%
worth $10.6M at the latest close
Stake rank
#1,675
by dollar value of the stake
Last sale
None
no sales since 2024
Last buy
60 days ago
Aug 20, 2026 · $43,500
Joseph Campanelli owns 1.11% of NB Bancorp, Inc.: 484,687 of 43,818,490 shares, worth about $10.6M at the 2026-10-16 close. The stake has moved from 0.19% in 2023 to 1.11% on 2026-08-20, across 0 sales and 11 purchases that moved it since 2016. The last trade that moved it was a discretionary purchase of $43,500 on 2026-08-20.
How the stake is held
as of the Aug 20, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 20, 2026 · Form 4 ↗
HELD DIRECTLY
379,790
78.4%
HELD INDIRECTLY · 4 VEHICLES
104,897
21.6%
By 401(k)
51,220
10.6%
By IRA
47,000
9.7%
By ESOP
3,677
0.8%
As trustee for trust
3,000
0.6%
THE STAKE
484,687
1.11%