NB Bancorp, Inc. Common Stock (NBBK) Market Cap
NB Bancorp, Inc. Common Stock (NBBK) has a market capitalization of $803.4M, based on the latest available market data.
Financials updated after earnings reported 2025-12-31.
Sector: Financial Services
Industry: Banks - Regional
Employees: 376
Exchange: NASDAQ
Headquarters: Needham, MA, US
Website: https://www.needhambank.com
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SEC Filings
| Type | Filing Date | Link |
|---|---|---|
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/27/2026 | View Filing → |
| SC 13G(SEC Filing) | 2/13/2026 | View Filing → |
| S-8 POS(SEC Filing) | 2/9/2026 | View Filing → |
| 8-K(Current Report (Material Events)) | 2/4/2026 | View Filing → |
| SC 13G(SEC Filing) | 1/30/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/30/2026 | View Filing → |
| 8-K(Current Report (Material Events)) | 1/22/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/6/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 12/19/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 12/5/2025 | View Filing → |
| 3(Insider Initial Statement) | 11/25/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 11/17/2025 | View Filing → |
| S-8(SEC Filing) | 11/14/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 11/14/2025 | View Filing → |
| 425(SEC Filing) | 11/13/2025 | View Filing → |
| 8-K/A(SEC Filing) | 11/13/2025 | View Filing → |
| 425(SEC Filing) | 11/13/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 11/13/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 11/12/2025 | View Filing → |
| 10-Q(Quarterly Report) | 11/7/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 11/4/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 11/3/2025 | View Filing → |
| 425(SEC Filing) | 10/31/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/31/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 10/29/2025 | View Filing → |
| 8-K/A(SEC Filing) | 10/22/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/22/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/20/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 10/17/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/8/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/18/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/15/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/11/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 8/12/2025 | View Filing → |
| 10-Q(Quarterly Report) | 8/8/2025 | View Filing → |
| EFFECT(SEC Filing) | 7/31/2025 | View Filing → |
| 424B3(Prospectus (424B3)) | 7/30/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 7/29/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 7/29/2025 | View Filing → |
| S-4/A(SEC Filing) | 7/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 7/25/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 7/23/2025 | View Filing → |
| 3(Insider Initial Statement) | 7/23/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 7/16/2025 | View Filing → |
| S-4(Merger/Exchange Registration) | 7/2/2025 | View Filing → |
| 11-K(Employee Benefit Plan Annual Report) | 6/25/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/18/2025 | View Filing → |
| SC 13G(SEC Filing) | 6/11/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/10/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/10/2025 | View Filing → |
| 425(SEC Filing) | 6/5/2025 | View Filing → |
| 8-K/A(SEC Filing) | 6/5/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 6/5/2025 | View Filing → |
| 10-Q(Quarterly Report) | 5/9/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 5/7/2025 | View Filing → |
| SC 13G(SEC Filing) | 4/30/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/29/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/28/2025 | View Filing → |
| S-8(SEC Filing) | 4/24/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 4/24/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 4/22/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 3/31/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/18/2025 | View Filing → |
| DEF 14A(SEC Filing) | 3/14/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/13/2025 | View Filing → |
| ARS(SEC Filing) | 3/11/2025 | View Filing → |
| 10-K(Annual Report) | 3/7/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 2/12/2025 | View Filing → |
| 3(Insider Initial Statement) | 2/3/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 1/31/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 1/30/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 1/29/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/27/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/24/2025 | View Filing → |
| 3(Insider Initial Statement) | 1/22/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 1/22/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 1/6/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 11/19/2024 | View Filing → |
| SC 13G(SEC Filing) | 11/14/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 11/14/2024 | View Filing → |
| SC 13G/A(SEC Filing) | 11/12/2024 | View Filing → |
| SC 13G(SEC Filing) | 11/8/2024 | View Filing → |
| 10-Q(Quarterly Report) | 11/8/2024 | View Filing → |
| SC 13G/A(SEC Filing) | 11/4/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/30/2024 | View Filing → |
| SC 13G(SEC Filing) | 10/22/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/20/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/20/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/16/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 9/12/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 8/27/2024 | View Filing → |
| 10-Q(Quarterly Report) | 8/9/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 8/6/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 8/2/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 7/30/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 7/24/2024 | View Filing → |
| 11-K(Employee Benefit Plan Annual Report) | 6/27/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 6/4/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 5/23/2024 | View Filing → |
| SC 13G(SEC Filing) | 5/21/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 5/21/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 5/16/2024 | View Filing → |
| 10-Q(Quarterly Report) | 5/10/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 5/9/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 5/1/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/30/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 4/24/2024 | View Filing → |
| ARS(SEC Filing) | 4/12/2024 | View Filing → |
| DEFA14A(SEC Filing) | 4/12/2024 | View Filing → |
| DEF 14A(SEC Filing) | 4/12/2024 | View Filing → |
| 10-K(Annual Report) | 3/28/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/22/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/19/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/12/2024 | View Filing → |
| 4/A(SEC Filing) | 3/11/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/11/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/6/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/5/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/5/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 3/5/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 2/28/2024 | View Filing → |
| 3(Insider Initial Statement) | 2/8/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 2/6/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/17/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/12/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/10/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/8/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/5/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/3/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/2/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/2/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 12/29/2023 | View Filing → |
| 8-K(Current Report (Material Events)) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| S-8(SEC Filing) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| 3(Insider Initial Statement) | 12/27/2023 | View Filing → |
| CERT(Certification Filing) | 12/27/2023 | View Filing → |
| 8-A12B(Securities Registration (Section 12b)) | 12/27/2023 | View Filing → |
| 8-K(Current Report (Material Events)) | 12/21/2023 | View Filing → |
| 10-Q(Quarterly Report) | 11/22/2023 | View Filing → |
| 424B3(Prospectus (424B3)) | 10/20/2023 | View Filing → |
| 424B3(Prospectus (424B3)) | 10/20/2023 | View Filing → |
| EFFECT(SEC Filing) | 10/13/2023 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/12/2023 | View Filing → |
| CORRESP(SEC Filing) | 10/10/2023 | View Filing → |
| CORRESP(SEC Filing) | 10/10/2023 | View Filing → |
| S-1/A(SEC Filing) | 10/10/2023 | View Filing → |
| S-1/A(SEC Filing) | 10/2/2023 | View Filing → |
| S-1/A(SEC Filing) | 9/29/2023 | View Filing → |
| S-1/A(SEC Filing) | 9/1/2023 | View Filing → |
| CORRESP(SEC Filing) | 8/8/2023 | View Filing → |
| S-1/A(SEC Filing) | 8/8/2023 | View Filing → |
| UPLOAD(SEC Filing) | 8/1/2023 | View Filing → |
| CORRESP(SEC Filing) | 7/27/2023 | View Filing → |
| S-1/A(SEC Filing) | 7/27/2023 | View Filing → |
| UPLOAD(SEC Filing) | 7/6/2023 | View Filing → |
| S-1(Securities Registration) | 6/9/2023 | View Filing → |
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