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NBBKNasdaq
NB Bancorp, Inc.
Savings Institutions, Not Federally Chartered · CIK 1979330
NB Bancorp, Inc. is a bank holding company that generates net interest income from its banking operations
red 8-K · 90d
$904M
Market cap
$21.19
Last close
-0.5%
1D
+4.4%
5D
297K
Volume
Price · last 39 sessions+6.8%
May 4L $19.17 · H $21.30Jun 29
75
Total filings
Jun 25, 2026
Last filing
12/31
Fiscal year end
11-K11-KJun 25, 20268-KCompany UpdateMay 21, 20268-KCompany UpdateMay 13, 202610-Q10-QMay 8, 20268-KShareholder VoteApr 29, 20268-KExecutive Change · Results of OperationsApr 22, 2026DEF 14ADEF 14AMar 27, 202610-K10-KMar 3, 20268-KCompany UpdateFeb 4, 20268-KResults of Operations · Company UpdateJan 22, 20268-KExecutive Change · Acquisition / DispositionNov 17, 20258-KCompany UpdateNov 14, 2025425425Nov 13, 20258-K/AReg FD Disclosure · Company UpdateNov 13, 2025425425Nov 13, 20258-KReg FD Disclosure · Company UpdateNov 13, 202510-Q10-QNov 7, 20258-KCompany UpdateNov 4, 2025425425Oct 31, 20258-KCompany UpdateOct 31, 20258-K/AResults of Operations · Company UpdateOct 23, 20258-KResults of Operations · Company UpdateOct 22, 20258-KCompany UpdateOct 20, 20258-KCompany UpdateOct 8, 202510-Q10-QAug 8, 20258-KCompany UpdateJul 29, 20258-KResults of Operations · Company UpdateJul 23, 20258-KCompany UpdateJul 16, 2025S-4S-4Jul 2, 202511-K11-KJun 25, 2025425425Jun 6, 20258-K/AExecutive Change · Material AgreementJun 5, 20258-KExecutive Change · Material AgreementJun 5, 202510-Q10-QMay 9, 20258-KCompany UpdateMay 7, 20258-KShareholder VoteApr 24, 20258-KResults of OperationsApr 22, 20258-KCompany UpdateMar 31, 2025DEF 14ADEF 14AMar 14, 202510-K10-KMar 7, 20258-KExecutive ChangeJan 31, 20258-KCompany UpdateJan 29, 20258-KResults of Operations · Company UpdateJan 22, 20258-KExecutive ChangeJan 6, 20258-KCompany UpdateNov 14, 2024SC 13GSC 13GNov 8, 202410-Q10-QNov 8, 20248-KResults of OperationsOct 30, 2024SC 13GSC 13GOct 22, 20248-KExecutive ChangeSep 12, 202410-Q10-QAug 9, 20248-KCompany UpdateJul 30, 20248-KExecutive Change · Results of OperationsJul 24, 202411-K11-KJun 27, 20248-KReg FD DisclosureJun 4, 20248-KShareholder VoteMay 23, 2024SC 13GSC 13GMay 21, 202410-Q10-QMay 10, 20248-KResults of OperationsApr 24, 2024DEFA14ADEFA14AApr 12, 2024DEF 14ADEF 14AApr 12, 202410-K10-KMar 28, 20248-KResults of OperationsFeb 29, 20248-KExecutive ChangeFeb 6, 20248-KCompany UpdateDec 27, 20238-KCompany UpdateDec 21, 202310-Q10-QNov 22, 20238-KMaterial AgreementOct 12, 2023S-1/AS-1/AOct 10, 2023S-1/AS-1/AOct 2, 2023S-1/AS-1/ASep 29, 2023S-1/AS-1/ASep 1, 2023S-1/AS-1/AAug 8, 2023S-1/AS-1/AJul 27, 2023S-1FORM S-1Jun 9, 2023
Insider Activity
◆ Cluster Buy · 3 insidersIn the 90 days to Mar 19, 2026: 3 insiders bought $320K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 19, 2026 | Campanelli Joseph PPresident & CEO | Buy | 2,500 | $20.16 | $50K |
| Mar 9, 2026 | Lapointe Jean-PierreSEVP and CFO | Buy | 1,000 | $20.42 | $20K |
| Mar 6, 2026 | Campanelli Joseph PPresident & CEO | Buy | 3,000 | $20.77 | $62K |
| Mar 6, 2026 | Campanelli Joseph PPresident & CEO | Buy | 3,000 | $20.77 | $62K |
| Mar 6, 2026 | Campanelli Joseph PPresident & CEO | Buy | 2,000 | $20.78 | $42K |
| Mar 6, 2026 | Campanelli Joseph PPresident & CEO | Buy | 2,000 | $20.78 | $42K |
| Dec 19, 2025 | Evangelista Paul AEVP, Dir Spec. Bank. Ctr. | Buy | 2,000 | $20.87 | $42K |
| Oct 28, 2025 | Pascucci HopeDirector | Buy | 4,688 | $18.07 | $85K |
| May 2, 2025 | Elliott Mary SusanDirector | Buy | 1,434 | $21.39 | $31K |
| Jan 24, 2025 | Elliott Mary SusanDirector | Buy | 10,000 | $18.72 | $187K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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