| 2026-08-17 | Press release | Needham Bank Announces Opening of New Prudential Center Location |
| 2026-08-07 | 10-Q | Form 10-Q for the quarter ended Jun 30 |
| 2026-07-22 | Press release | NB Bancorp, Inc. Reports Second Quarter 2026 Financial Results, Declares Quarterly Cash Dividend |
| 2026-07-22 | Press release | Press release · Q2 2026 · Jul 2026 |
| 2026-07-22 | 8-K | Form 8-K, Item 2.02 results |
| 2026-06-29 | Press release | Needham Bank Continues New Hampshire Expansion with New Location at Tuscan Village in Salem |
| 2026-05-21 | 8-K | Form 8-K, Item 8.01 |
| 2026-05-13 | 8-K | Form 8-K, Item 8.01 |
| 2026-05-08 | 10-Q | Form 10-Q for the quarter ended Mar 31 |
| 2026-04-29 | 8-K | Form 8-K, Item 5.07 |
| 2026-04-22 | Press release | NB Bancorp, Inc. Reports First Quarter 2026 Financial Results, Declares Quarterly Cash Dividend |
| 2026-04-22 | 8-K | Form 8-K, Item 2.02 results |
| 2026-04-13 | Press release | New Needham Bank Branch Coming Soon to Allston |
| 2026-04-09 | Press release | Needham Bank Announces Financial Education Platform in Partnership with EverFi |
| 2026-03-27 | Proxy | Definitive proxy statement |
| 2026-03-03 | 10-K | Annual report on Form 10-K, FY25 |
| 2026-02-04 | 8-K | Form 8-K, Item 8.01 |
| 2026-01-22 | Press release | Press release · Q4 2025 · Jan 2026 |
| 2026-01-22 | Press release | NB Bancorp, Inc. Reports Fourth Quarter 2025 Financial Results, Declares Quarterly Cash Dividend, Announces Share Repurc |
| 2026-01-22 | 8-K | Form 8-K, Item 2.02 results |
| 2025-11-17 | 8-K | Form 8-K, Item 2.01 |
| 2025-11-14 | Press release | NB Bancorp, Inc. and Provident Bancorp, Inc. Announce Closing of Merger |
| 2025-11-14 | 8-K | Form 8-K, Item 8.01 |
| 2025-11-13 | Press release | NB Bancorp, Inc. and Provident Bancorp, Inc. Announce Final Proration of Merger Consideration |
| 2025-11-13 | 8-K | Form 8-K/A, Item 7.01 |
| 2025-11-07 | Quarterly report | FORM 10-Q · Q3 2025 |
| 2025-11-07 | 10-Q | Form 10-Q for the quarter ended Sep 30 |
| 2025-11-04 | 8-K | Form 8-K, Item 8.01 |
| 2025-10-31 | Press release | NB Bancorp, Inc. and Provident Bancorp, Inc. Announce Confirmation of Election Deadline for Merger Consideration and Exp |
| 2025-10-31 | 8-K | Form 8-K, Item 8.01 |
| 2025-10-23 | 8-K | Form 8-K/A, Item 2.02 results |
| 2025-10-22 | Press release | NB Bancorp, Inc. Reports Third Quarter 2025 Financial Results, Declares Quarterly Cash Dividend |
| 2025-10-22 | 8-K | Form 8-K, Item 2.02 results |
| 2025-10-20 | Press release | NB BANCORP, INC. AND PROVIDENT BANCORP, INC. ANNOUNCE THE RECEIPT OF ALL REGULATORY APPROVALS TO MERGE AND ANTICIPATED C |
| 2025-10-20 | 8-K | Form 8-K, Item 8.01 |
| 2025-10-08 | Press release | NB Bancorp, Inc. and Provident Bancorp, Inc. Announce Mailing of Stock/Cash Election Form |
| 2025-10-08 | 8-K | Form 8-K, Item 8.01 |
| 2025-08-08 | Quarterly report | FORM 10-Q · Q2 2025 |
| 2025-08-08 | 10-Q | Form 10-Q for the quarter ended Jun 30 |
| 2025-07-29 | 8-K | Form 8-K, Item 8.01 |