Company facts
- Headquarters
- Needham, Massachusetts
- Most recent report
- 8-K, filed Oct 15, 2026
- Filings on record
- 249 filings
- On EDGAR
- CIK 1979330
- Fiscal year ends
- December
- Filer status
- Emerging growth company
Financials 8 of 12
News 8 of 44
Prospectuses and Registrations 8 of 16
- S-8 POS Post-effective amendment to an employee plan registration Feb 9, 2026
- S-8 Registration statement for an employee plan Nov 14, 2025
- 424B3 Prospectus supplement for an offering Jul 30, 2025
- S-4/A Registration statement for a merger or exchange, amended Jul 28, 2025
- S-4 Registration statement for a merger or exchange Jul 2, 2025
- S-8 Registration statement for an employee plan Apr 24, 2025
- S-8 Registration statement for an employee plan Dec 27, 2023
- 424B3 Prospectus supplement for an offering Oct 20, 2023
Proxies 4
Ownership 8 of 151
- 4 Insider reported a trade Aug 21, 2026
- 4 Insider reported a trade Aug 21, 2026
- 4 Insider reported a trade Aug 18, 2026
- 4 Insider reported a trade May 18, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended May 15, 2026
- 4/A Insider reported a trade, amended May 15, 2026
- 4/A Insider reported a trade, amended May 15, 2026
- 4/A Insider reported a trade, amended May 15, 2026
Other 8 of 22
Everything here comes from NB Bancorp, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.