NB Bancorp, Inc.

Nasdaq:NBBK

Savings Institutions, Not Federally Chartered·NEEDHAM, MA

CEO

Campanelli Joseph P

CFO

Lapointe Jean-Pierre

Financials

10 shown

Type	Period	Ended	Filed
10-K	FY 2025	12/31/25	3/3/26	→
10-Q	Q3 2025	9/30/25	11/7/25	→
10-Q	Q2 2025	6/30/25	8/8/25	→
10-Q	Q1 2025	3/31/25	5/9/25	→
10-K	FY 2024	12/31/24	3/7/25	→
10-Q	Q3 2024	9/30/24	11/8/24	→
↓

Earnings Releases (8-K)

10 shown

Filed	Period
1/22/26	Q4 FY2026	→
10/23/25	Q3 FY2025	→
10/22/25	Q3 FY2025	→
7/23/25	Q2 FY2025	→
4/22/25	Q1 FY2025	→
1/22/25	Q4 FY2025	→
↓

News (8-K)

28 shown

Filed	Type	Description
2/4/26	Other	Other Events	→
11/17/25	Acquisition	Completion of Acquisition or Disposition of Assets	→
11/14/25	Other	Other Events	→
11/13/25	Reg FD	Regulation FD Disclosure	→
11/13/25	Reg FD	Regulation FD Disclosure	→
11/4/25	Other	Other Events	→
↓

Prospectuses & Registrations

18 shown

Filed	Form	Description
2/9/26	S-8 POS	S-8 POS	→
11/14/25	S-8	S-8	→
7/30/25	424B3	424B3	→
7/28/25	S-4/A	S-4/A	→
7/2/25	S-4	S-4	→
4/24/25	S-8	S-8	→
↓

Filing History(213 filings)

TypeDateAccessionPeriodSize

Mar 9, 2026

0001437749-26-007359FORM 4

Mar 6, 2026

8.7 KB

Mar 9, 2026

0001437749-26-007305FORM 4

Mar 9, 2026

5.8 KB

10-K

Mar 3, 2026

0001104659-26-02236710-K

Dec 31, 2025

37.9 MB

Feb 27, 2026

0001437749-26-006037FORM 4

Feb 25, 2026

6.8 KB

Feb 27, 2026

0001437749-26-006036FORM 4

Feb 25, 2026

6.5 KB

Feb 27, 2026

0001437749-26-006035FORM 4

Feb 25, 2026

5.8 KB

Feb 27, 2026

0001437749-26-006033FORM 4

Feb 25, 2026

5.8 KB

Feb 27, 2026

0001437749-26-006032FORM 4

Feb 25, 2026

4.2 KB

Feb 27, 2026

0001437749-26-006031FORM 4

Feb 25, 2026

6.0 KB

Feb 27, 2026

0001437749-26-006029FORM 4

Feb 25, 2026

4.4 KB

Feb 27, 2026

0001437749-26-006028FORM 4

Feb 25, 2026

5.8 KB

Feb 27, 2026

0001437749-26-006027FORM 4

Feb 25, 2026

5.8 KB

SCHEDULE 13G

Feb 13, 2026

0000943374-26-000092

—

5.9 KB

S-8 POS

Feb 9, 2026

0001104659-26-012136S-8 POS

—

18.6 KB

8-K

Feb 4, 2026

0001104659-26-0101228-K

Feb 4, 2026

7.1 MB

SCHEDULE 13G

Jan 30, 2026

0000102909-26-000184

—

6.7 KB

Jan 30, 2026

0001437749-26-002496FORM 4

Jan 24, 2025

5.8 KB

8-K

Jan 22, 2026

0001104659-26-0057908-K

Jan 22, 2026

2.1 MB

Jan 6, 2026

0001437749-26-000493FORM 4

Jan 2, 2026

5.5 KB

Jan 6, 2026

0001437749-26-000492FORM 4

Jan 2, 2026

5.0 KB

Jan 6, 2026

0001437749-26-000491FORM 4

Jan 2, 2026

4.3 KB

Jan 6, 2026

0001437749-26-000489FORM 4

Jan 2, 2026

5.0 KB

Jan 6, 2026

0001437749-26-000488FORM 4

Jan 2, 2026

5.0 KB

Jan 6, 2026

0001437749-26-000487FORM 4

Jan 2, 2026

4.3 KB

Jan 6, 2026

0001437749-26-000486FORM 4

Jan 2, 2026

4.3 KB

25 filings shown

Filed	Form	Description
3/14/25	DEF 14A	DEF 14A	→
4/12/24	DEFA14A	DEFA14A	→
4/12/24	DEF 14A	DEF 14A	→

NB Bancorp, Inc.

Financials

Earnings Releases (8-K)

News (8-K)

Prospectuses & Registrations

Filing History(213 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
3/9/26	4	4	→
3/9/26	4	4	→
2/27/26	4	4	→
2/27/26	4	4	→
2/27/26	4	4	→
2/27/26	4	4	→
↓

Filed	Form	Description
2/13/26	SCHEDULE 13G	SCHEDULE 13G	→
1/30/26	SCHEDULE 13G	SCHEDULE 13G	→
12/5/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
11/13/25	425	425	→
11/13/25	425	425	→
10/31/25	425	425	→
↓