| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 19 Dec 2025 | 19 Dec 2025 | |
| SCHEDULE 13G/A | Open Document | Open Filing | 05 Dec 2025 | 005-94523 | ||
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Nov 2025 | 15 Nov 2025 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 17 Nov 2025 | 15 Nov 2025 | 001-41899 |
| S-8 | Open Document | Data | Open Filing | FORM S-8 | 14 Nov 2025 | 333-291554 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 14 Nov 2025 | 14 Nov 2025 | 001-41899 |
| 425 | Open Document | Open Filing | 425 | 13 Nov 2025 | 001-41899 | |
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K | 13 Nov 2025 | 13 Nov 2025 | 001-41899 |
| 425 | Open Document | Open Filing | 425 | 13 Nov 2025 | 001-41899 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 13 Nov 2025 | 13 Nov 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2025 | 10 Nov 2025 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2025 | 30 Sep 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 04 Nov 2025 | 04 Nov 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2025 | 30 Oct 2025 | |
| 425 | Open Document | Open Filing | 425 | 31 Oct 2025 | 001-41899 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 31 Oct 2025 | 31 Oct 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Oct 2025 | 28 Oct 2025 | |
| 8-K/A | Open Document | Data | Open Filing | 8-K/A | 23 Oct 2025 | 22 Oct 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 22 Oct 2025 | 22 Oct 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 20 Oct 2025 | 20 Oct 2025 | 001-41899 |
| SCHEDULE 13G/A | Open Document | Open Filing | 17 Oct 2025 | 005-94523 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 08 Oct 2025 | 07 Oct 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2025 | 16 Sep 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2025 | 12 Sep 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 12 Sep 2025 | 10 Sep 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2025 | 09 Sep 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2025 | 11 Aug 2025 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 Aug 2025 | 30 Jun 2025 | 001-41899 |
| EFFECT | Open Document | Open Filing | 30 Jul 2025 | 333-288494 | ||
| 424B3 | Open Document | Open Filing | 424B3 | 30 Jul 2025 | 333-288494 | |
| SCHEDULE 13G/A | Open Document | Open Filing | 29 Jul 2025 | 005-94523 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | 29 Jul 2025 | 29 Jul 2025 | 001-41899 |
| CORRESP | Open Document | Open Filing | 28 Jul 2025 | |||
| S-4/A | Open Document | Open Filing | S-4/A | 28 Jul 2025 | 333-288494 | |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jul 2025 | 25 Jul 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 23 Jul 2025 | 23 Jul 2025 | 001-41899 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Jul 2025 | 07 Jul 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 16 Jul 2025 | 15 Jul 2025 | 001-41899 |
| UPLOAD | Open Document | Open Filing | 10 Jul 2025 | 333-288494 | ||
| S-4 | Open Document | Open Filing | S-4 | 02 Jul 2025 | 333-288494 | |
| 11-K | Open Document | Open Filing | 11-K | 25 Jun 2025 | 31 Dec 2024 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2025 | 10 Jun 2025 | |
| SCHEDULE 13G | Open Document | Open Filing | 11 Jun 2025 | 005-94523 | ||
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2025 | 09 Jun 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2025 | 09 Jun 2025 | |
| 425 | Open Document | Data | Open Filing | 425 | 06 Jun 2025 | 001-41899 | |
| 8-K/A | Open Document | Data | Open Filing | 8-K/A | 05 Jun 2025 | 05 Jun 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 05 Jun 2025 | 05 Jun 2025 | 001-41899 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 May 2025 | 31 Mar 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 07 May 2025 | 07 May 2025 | 001-41899 |
| SCHEDULE 13G | Open Document | Open Filing | 30 Apr 2025 | 005-94523 | ||
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2025 | 29 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | |
| S-8 | Open Document | Open Filing | S-8 | 24 Apr 2025 | 333-286724 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 24 Apr 2025 | 23 Apr 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 22 Apr 2025 | 22 Apr 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 31 Mar 2025 | 28 Mar 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2025 | 18 Mar 2025 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | 14 Mar 2025 | 23 Apr 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2025 | 11 Mar 2025 | |
| ARS | Open Document | Open Filing | ARS | 11 Mar 2025 | 31 Dec 2024 | 001-41899 |
| 10-K | Open Document | Data | Open Filing | 10-K | 07 Mar 2025 | 31 Dec 2024 | 001-41899 |
| SCHEDULE 13G/A | Open Document | Open Filing | 12 Feb 2025 | 005-94523 | ||
| 3 | Open Document | Open Filing | FORM 3 | 03 Feb 2025 | 22 Jan 2025 | |
| 8-K | Open Document | Data | Open Filing | 31 Jan 2025 | 28 Jan 2025 | 001-41899 | |
| SCHEDULE 13G/A | Open Document | Open Filing | 30 Jan 2025 | 005-94523 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | 29 Jan 2025 | 29 Jan 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jan 2025 | 24 Jan 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jan 2025 | 24 Jan 2025 | |
| 3 | Open Document | Open Filing | FORM 3 | 22 Jan 2025 | 06 Jan 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 22 Jan 2025 | 22 Jan 2025 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Jan 2025 | 03 Jan 2025 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2024 | 19 Nov 2024 | |
| SC 13G | Open Document | Open Filing | 13G NB BANCORP INC. 093024 | 14 Nov 2024 | 005-94523 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 14 Nov 2024 | 14 Nov 2024 | 001-41899 |
| SC 13G/A | Open Document | Open Filing | 12 Nov 2024 | 005-94523 | ||
| SC 13G | Open Document | Open Filing | 08 Nov 2024 | 005-94523 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 Nov 2024 | 30 Sep 2024 | 001-41899 |
| SC 13G/A | Open Document | Open Filing | 04 Nov 2024 | 005-94523 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | 30 Oct 2024 | 30 Oct 2024 | 001-41899 |
| SC 13G | Open Document | Open Filing | 22 Oct 2024 | 005-94523 | ||
| 4 | Open Document | Open Filing | FORM 4 | 20 Sep 2024 | 19 Sep 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 20 Sep 2024 | 19 Sep 2024 | |
| 3 | Open Document | Open Filing | FORM 3 | 16 Sep 2024 | 12 Sep 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 12 Sep 2024 | 12 Sep 2024 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2024 | 26 Aug 2024 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 Aug 2024 | 30 Jun 2024 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2024 | 02 Aug 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2024 | 02 Aug 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 30 Jul 2024 | 30 Jul 2024 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 24 Jul 2024 | 24 Jul 2024 | 001-41899 |
| 11-K | Open Document | Open Filing | 11-K | 27 Jun 2024 | 31 Dec 2023 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 04 Jun 2024 | 04 Jun 2024 | 001-41899 |
| 8-K | Open Document | Data | Open Filing | 8-K | 23 May 2024 | 22 May 2024 | 001-41899 |
| SC 13G | Open Document | Open Filing | 21 May 2024 | 005-94523 | ||
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2024 | 15 May 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2024 | 16 May 2024 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 10 May 2024 | 31 Mar 2024 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2024 | 08 May 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2024 | 29 Apr 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2024 | 26 Apr 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 24 Apr 2024 | 24 Apr 2024 | 001-41899 |
| ARS | Open Document | Open Filing | ARS | 12 Apr 2024 | 31 Dec 2023 | 001-41899 |
| DEFA14A | Open Document | Open Filing | DEFA14A | 12 Apr 2024 | 001-41899 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | 12 Apr 2024 | 22 May 2024 | 001-41899 |
| 10-K | Open Document | Data | Open Filing | 10-K | 28 Mar 2024 | 31 Dec 2023 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Mar 2024 | 11 Mar 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2024 | 19 Mar 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2024 | 06 Mar 2024 | |
| 4/A | Open Document | Open Filing | FORM 4/A | 11 Mar 2024 | 08 Mar 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2024 | 08 Mar 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2024 | 05 Mar 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2024 | 04 Mar 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2024 | 04 Mar 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2024 | 01 Mar 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 29 Feb 2024 | 28 Feb 2024 | 001-41899 |
| 3 | Open Document | Open Filing | FORM 3 | 08 Feb 2024 | 01 Feb 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Feb 2024 | 01 Feb 2024 | 001-41899 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2024 | 11 Jan 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2024 | 11 Jan 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2024 | 08 Jan 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2024 | 05 Jan 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2024 | 04 Jan 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2024 | 02 Jan 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2024 | 28 Dec 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2024 | 28 Dec 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | 29 Dec 2023 | 28 Dec 2023 | |
| 8-K | Open Document | Data | Open Filing | NB BANCORP, INC. FORM 8-K DECEMBER 27, 2023 | 27 Dec 2023 | 27 Dec 2023 | 001-41899 |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| S-8 | Open Document | Open Filing | NB BANCORP, INC. FORM S-8 REGISTRATION STATEMENT DECEMBER 27, 2023 | 27 Dec 2023 | 333-276286 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | 27 Dec 2023 | 27 Dec 2023 | |
| CERT | Open Document | Open Filing | 27 Dec 2023 | 001-41899 | ||
| 8-A12B | Open Document | Open Filing | NB BANCORP, INC. FORM 8-A DECEMBER 27, 2023 | 27 Dec 2023 | 001-41899 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 21 Dec 2023 | 21 Dec 2023 | 333-272567 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 22 Nov 2023 | 30 Sep 2023 | 333-272567 |
| 424B3 | Open Document | Open Filing | 424B3 | 20 Oct 2023 | 333-272567 | |
| 424B3 | Open Document | Open Filing | 424B3 | 20 Oct 2023 | 333-272567 | |
| EFFECT | Open Document | Open Filing | 12 Oct 2023 | 333-272567 | ||
| 8-K | Open Document | Open Filing | FORM 8-K | 12 Oct 2023 | 12 Oct 2023 | 333-272567 |
| CORRESP | Open Document | Open Filing | 10 Oct 2023 | |||
| CORRESP | Open Document | Open Filing | 10 Oct 2023 | |||
| S-1/A | Open Document | Open Filing | S-1/A | 10 Oct 2023 | 333-272567 | |
| S-1/A | Open Document | Open Filing | S-1/A | 02 Oct 2023 | 333-272567 | |
| S-1/A | Open Document | Open Filing | S-1/A | 29 Sep 2023 | 333-272567 | |
| S-1/A | Open Document | Open Filing | S-1/A | 01 Sep 2023 | 333-272567 | |
| CORRESP | Open Document | Open Filing | 08 Aug 2023 | |||
| S-1/A | Open Document | Open Filing | S-1/A | 08 Aug 2023 | 333-272567 | |
| UPLOAD | Open Document | Open Filing | 01 Aug 2023 | |||
| CORRESP | Open Document | Open Filing | 27 Jul 2023 | |||
| S-1/A | Open Document | Open Filing | S-1/A | 27 Jul 2023 | 333-272567 | |
| UPLOAD | Open Document | Open Filing | 06 Jul 2023 | |||
| S-1 | Open Document | Open Filing | FORM S-1 | 09 Jun 2023 | 333-272567 |