NB Bancorp Inc. (NBBK) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-03-27
10:48 am
Sale
2026-03-1313GNB BANCORP INC
NBBK
VANGUARD GROUP INC0
0.000%
-2,301,034decrease
(Position Closed)
Filing
History
2026-02-13
4:49 pm
Purchase
2025-12-3113GNB BANCORP INC
NBBK
Needham Bank Employee Stock Ownership Plan Trust3,416,458
7.500%
3,416,458increase
(New Position)
Filing
History
2026-01-30
2:18 pm
Purchase
2025-12-3113GNB BANCORP INC
NBBK
VANGUARD GROUP INC2,301,034
5.020%
319,038increase
(+16.10%)
Filing
History
2025-12-05
1:00 pm
Purchase
2025-12-0113GNB BANCORP INC
NBBK
Pertento Partners LLP2,338,987
5.100%
224,651increase
(+10.63%)
Filing
History
2025-10-17
6:24 pm
Sale
2025-09-3013GNB BANCORP INC
NBBK
BlackRock Inc.
BLK
2,663,833
6.700%
-632,087decrease
(-19.18%)
Filing
History
2025-07-29
2:13 pm
Sale
2025-06-3013GNB BANCORP INC
NBBK
VANGUARD GROUP INC1,981,996
4.880%
-126,761decrease
(-6.01%)
Filing
History
2025-06-11
5:17 pm
Purchase
2025-06-0613GNB BANCORP INC
NBBK
Pertento Partners LLP2,114,336
5.200%
135,433increase
(+6.84%)
Filing
History
2025-04-30
11:23 am
Purchase
2025-03-3113GNB BANCORP INC
NBBK
VANGUARD GROUP INC2,108,757
5.030%
21,932increase
(+1.05%)
Filing
History
2025-02-12
7:36 pm
Sale
2024-12-3113GNB BANCORP INC
NBBK
Pertento Partners LLP1,978,903
4.600%
-277,959decrease
(-12.32%)
Filing
History
2025-01-30
9:58 pm
Sale
2024-12-3113GNB BANCORP INC
NBBK
VANGUARD GROUP INC2,086,825
4.880%
-228,039decrease
(-9.85%)
Filing
History
2024-11-14
5:28 pm
Purchase
2024-09-3013GNB BANCORP INC
NBBK
PRINCIPAL FINANCIAL GROUP INC
PFG
4,050,826
8.590%
4,050,826increase
(New Position)
Filing
History
2024-11-12
4:54 pm
Unchanged
2024-09-3013GNB BANCORP INC
NBBK
VANGUARD GROUP INC2,314,864
5.420%
0
(Unchanged)
Filing
History
2024-11-08
5:31 pm
Unchanged
2024-09-3013GNB BANCORP INC
NBBK
BlackRock Inc.
BLK
3,295,920
7.700%
0
(Unchanged)
Filing
History
2024-11-04
1:24 pm
Purchase
2024-09-3013GNB BANCORP INC
NBBK
VANGUARD GROUP INC2,314,864
5.420%
2,314,864increase
(New Position)
Filing
History
2024-10-22
3:24 pm
Purchase
2024-09-3013GNB BANCORP INC
NBBK
BlackRock Inc.
BLK
3,295,920
7.700%
3,295,920increase
(New Position)
Filing
History
2024-05-21
9:09 pm
Purchase
2024-05-1413GNB BANCORP INC
NBBK
Pertento Partners LLP2,256,862
5.280%
2,256,862increase
(New Position)
Filing
History