Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001558370-25-002974
Filing Date
2025-03-14
Accepted
2025-03-14 11:00:24
Documents
85
Period of Report
2025-04-23

Document Format Files

Seq Description Document Type Size
1 DEF 14A nbbk-20250423xdef14a.htm   iXBRL DEF 14A 1427937
2 GRAPHIC nbbk-20250423xdef14a_a001.jpg GRAPHIC 6047
3 GRAPHIC nbbk-20250423xdef14a_a002.jpg GRAPHIC 223599
4 GRAPHIC nbbk-20250423xdef14a_a003.jpg GRAPHIC 6458
5 GRAPHIC nbbk-20250423xdef14a_a006.jpg GRAPHIC 20301
6 GRAPHIC nbbk-20250423xdef14a_a009.jpg GRAPHIC 35071
7 GRAPHIC nbbk-20250423xdef14a_a010.jpg GRAPHIC 2851
8 GRAPHIC nbbk-20250423xdef14a_a011.jpg GRAPHIC 6142
9 GRAPHIC nbbk-20250423xdef14a_a012.jpg GRAPHIC 3724
10 GRAPHIC nbbk-20250423xdef14a_a013.jpg GRAPHIC 1845
11 GRAPHIC nbbk-20250423xdef14a_a014.jpg GRAPHIC 1828
12 GRAPHIC nbbk-20250423xdef14a_a015.jpg GRAPHIC 1859
13 GRAPHIC nbbk-20250423xdef14a_a016.jpg GRAPHIC 1815
14 GRAPHIC nbbk-20250423xdef14a_a017.jpg GRAPHIC 1805
15 GRAPHIC nbbk-20250423xdef14a_a018.jpg GRAPHIC 1819
16 GRAPHIC nbbk-20250423xdef14a_a019.jpg GRAPHIC 1833
17 GRAPHIC nbbk-20250423xdef14a_a020.jpg GRAPHIC 1816
18 GRAPHIC nbbk-20250423xdef14a_a021.jpg GRAPHIC 1839
19 GRAPHIC nbbk-20250423xdef14a_a022.jpg GRAPHIC 1768
20 GRAPHIC nbbk-20250423xdef14a_a023.jpg GRAPHIC 1780
21 GRAPHIC nbbk-20250423xdef14a_a024.jpg GRAPHIC 1845
22 GRAPHIC nbbk-20250423xdef14a_a025.jpg GRAPHIC 7821
23 GRAPHIC nbbk-20250423xdef14a_a026.jpg GRAPHIC 8304
24 GRAPHIC nbbk-20250423xdef14a_a027.jpg GRAPHIC 10689
25 GRAPHIC nbbk-20250423xdef14a_a028.jpg GRAPHIC 10036
26 GRAPHIC nbbk-20250423xdef14a_a029.jpg GRAPHIC 17364
27 GRAPHIC nbbk-20250423xdef14a_a030.jpg GRAPHIC 17348
28 GRAPHIC nbbk-20250423xdef14a_a031.jpg GRAPHIC 1113
29 GRAPHIC nbbk-20250423xdef14a_a032.jpg GRAPHIC 1234
30 GRAPHIC nbbk-20250423xdef14a_a033.jpg GRAPHIC 1416
31 GRAPHIC nbbk-20250423xdef14a_a034.jpg GRAPHIC 1431
32 GRAPHIC nbbk-20250423xdef14a_a035.jpg GRAPHIC 1235
33 GRAPHIC nbbk-20250423xdef14a_a036.jpg GRAPHIC 1384
34 GRAPHIC nbbk-20250423xdef14a_a037.jpg GRAPHIC 1428
35 GRAPHIC nbbk-20250423xdef14a_a038.jpg GRAPHIC 1400
36 GRAPHIC nbbk-20250423xdef14a_a039.jpg GRAPHIC 1302
37 GRAPHIC nbbk-20250423xdef14a_a040.jpg GRAPHIC 1251
38 GRAPHIC nbbk-20250423xdef14a_a041.jpg GRAPHIC 1451
39 GRAPHIC nbbk-20250423xdef14a_a042.jpg GRAPHIC 1791
40 GRAPHIC nbbk-20250423xdef14a_a043.jpg GRAPHIC 1747
41 GRAPHIC nbbk-20250423xdef14a_a044.jpg GRAPHIC 1732
42 GRAPHIC nbbk-20250423xdef14a_a045.jpg GRAPHIC 1737
43 GRAPHIC nbbk-20250423xdef14a_a046.jpg GRAPHIC 1856
44 GRAPHIC nbbk-20250423xdef14a_a047.jpg GRAPHIC 1605
45 GRAPHIC nbbk-20250423xdef14a_a048.jpg GRAPHIC 1519
46 GRAPHIC nbbk-20250423xdef14a_a049.jpg GRAPHIC 8664
47 GRAPHIC nbbk-20250423xdef14a_a050.jpg GRAPHIC 8598
48 GRAPHIC nbbk-20250423xdef14a_a051.jpg GRAPHIC 8538
49 GRAPHIC nbbk-20250423xdef14a_a052.jpg GRAPHIC 8109
50 GRAPHIC nbbk-20250423xdef14a_a053.jpg GRAPHIC 8815
51 GRAPHIC nbbk-20250423xdef14a_a054.jpg GRAPHIC 9504
52 GRAPHIC nbbk-20250423xdef14a_a055.jpg GRAPHIC 8744
53 GRAPHIC nbbk-20250423xdef14a_a056.jpg GRAPHIC 8506
54 GRAPHIC nbbk-20250423xdef14a_a057.jpg GRAPHIC 9774
55 GRAPHIC nbbk-20250423xdef14a_a058.jpg GRAPHIC 10651
56 GRAPHIC nbbk-20250423xdef14a_a059.jpg GRAPHIC 8369
57 GRAPHIC nbbk-20250423xdef14a_a060.jpg GRAPHIC 8688
58 GRAPHIC nbbk-20250423xdef14a_a062.jpg GRAPHIC 9297
59 GRAPHIC nbbk-20250423xdef14a_a063.jpg GRAPHIC 8229
60 GRAPHIC nbbk-20250423xdef14a_a064.jpg GRAPHIC 3689
61 GRAPHIC nbbk-20250423xdef14a_a065.jpg GRAPHIC 8423
62 GRAPHIC nbbk-20250423xdef14a_a066.jpg GRAPHIC 1633
63 GRAPHIC nbbk-20250423xdef14a_a067.jpg GRAPHIC 1471
64 GRAPHIC nbbk-20250423xdef14a_a068.jpg GRAPHIC 1603
65 GRAPHIC nbbk-20250423xdef14a_a069.jpg GRAPHIC 1519
66 GRAPHIC nbbk-20250423xdef14a_a070.jpg GRAPHIC 1969
67 GRAPHIC nbbk-20250423xdef14a_bg001.jpg GRAPHIC 145463
68 GRAPHIC nbbk-20250423xdef14a_bg002.jpg GRAPHIC 155335
69 GRAPHIC nbbk-20250423xdef14a_cg001.jpg GRAPHIC 161899
70 GRAPHIC nbbk-20250423xdef14a_cg002.jpg GRAPHIC 152581
71 GRAPHIC nbbk-20250423xdef14a_dg001.jpg GRAPHIC 150523
72 GRAPHIC nbbk-20250423xdef14a_dg002.jpg GRAPHIC 156401
  Complete submission text file 0001558370-25-002974.txt   5769595

Data Files

Seq Description Document Type Size
73 EX-101.SCH nbbk-20250423.xsd EX-101.SCH 4447
74 EX-101.DEF nbbk-20250423_def.xml EX-101.DEF 2856
75 EX-101.LAB nbbk-20250423_lab.xml EX-101.LAB 5016
76 EX-101.PRE nbbk-20250423_pre.xml EX-101.PRE 3325
87 EXTRACTED XBRL INSTANCE DOCUMENT nbbk-20250423xdef14a_htm.xml XML 1584
Mailing Address 1063 GREAT PLAIN AVENUE NEEDHAM MA 02492
Business Address 1063 GREAT PLAIN AVENUE NEEDHAM MA 02492 781-444-2100
NB Bancorp, Inc. (Filer) CIK: 0001979330 (see all company filings)

EIN.: 932560883 | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-41899 | Film No.: 25738319
SIC: 6036 Savings Institutions, Not Federally Chartered
(CF Office: 02 Finance)