NB Bancorp, Inc. SEC filings NBBK
NB Bancorp, Inc. has 250 filings in SEC EDGAR's recent list, going back to Jun 9, 2023. Its latest annual report, Form ARS, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 15, 2026 (results of operations, regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 11-K | Employee savings plan report | Jun 25, 2026 | Dec 31, 2025 |
| 425 | Filing | Nov 13, 2025 | — |
| 425 | Filing | Nov 13, 2025 | — |
| 425 | Filing | Oct 31, 2025 | — |
| EFFECT | Filing | Jul 30, 2025 | — |
| CORRESP | Letter to the SEC | Jul 28, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 10, 2025 | — |
| 11-K | Employee savings plan report | Jun 25, 2025 | Dec 31, 2024 |
| 425 | Filing | Jun 6, 2025 | — |
| 11-K | Employee savings plan report | Jun 27, 2024 | Dec 31, 2023 |
| CERT | Filing | Dec 27, 2023 | — |
| 8-A12B | Nb bancorp, inc. form 8-a december 27, 2023 | Dec 27, 2023 | — |
| EFFECT | Filing | Oct 12, 2023 | — |
| CORRESP | Letter to the SEC | Oct 10, 2023 | — |
| CORRESP | Letter to the SEC | Oct 10, 2023 | — |
| CORRESP | Letter to the SEC | Aug 8, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 1, 2023 | — |
| CORRESP | Letter to the SEC | Jul 27, 2023 | — |
| UPLOAD | Letter from the SEC | Jul 6, 2023 | — |
Showing 19 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Savings Institutions, Not Federally Chartered (SIC 6036)
- Listed as
- NBBK (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Needham, MA
- SEC filer status
- Accelerated filer, Emerging growth company
- SEC CIK
- 1979330
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All 40 Savings Institutions, Not Federally Chartered companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.