NBBK

NB Bancorp, Inc.
$22.73previous close on: 9/16/2026

Company Information

Company Name
NB Bancorp, Inc.
CIK
CIK0001979330
Category
Accelerated filer<br>Emerging growth company
Ticker: Exchange
NBBK: Nasdaq
Fiscal Year End
December 31
Owner Organization
02 Finance
SIC
6036
SIC Description
Savings Institutions, Not Federally Chartered
Ticker
NBBK

SEC filing data through

Insider Sentiment

Last purchase
2026-05-15
Last sale
Shares purchased (TTM)
54,188
Shares sold (TTM)
0
Buy ratio (TTM)100.0%

Institutional Sentiment

As of
2026-03-31
Institutional shares owned
22,419,710
Shares outstanding
40,969,748
Ownership
54.72%
+7.71% Y/Y

Earnings Market Reaction

Filing date
2026-08-07
Price on filing date
1-month reaction
-0.53%
3-month reaction
Pending
Drift continued2/10 (20%)
Faded / reversed8/10 (80%)

Balance Sheet

Values in millions ($)
Line item2026-06-302026-03-312025-12-312025-09-302025-06-302025-03-312024-12-312024-09-302024-06-302024-03-312023-12-312023-09-30Subscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnSubscriber-only columnTrend
Cash And Due From Banks37332832619815720121114817016490102
Federal Funds Sold2848829810211215316915915118231
Cash Cash Equivalents And Federal Funds Sold400375408295259313364317329315273134
Available For Sale Securities
Debt Securities Available For Sale Excluding Accrued Interest273277269231235235228203205207189197
Loans Held For Sale Fair Value Disclosure606466---0-----
Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss6,4236,2105,9864,7164,5414,4654,3334,2494,0973,9553,889-
Financing Receivable Allowance For Credit Loss Excluding Accrued Interest-82-80-87-43-43-38-39-38-38-34-32-32
Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss6,3416,1305,8994,6734,4994,4264,2944,2114,0593,9203,8573,683
Assets
Assets7,4477,2267,0065,4425,2275,2425,1585,0034,8054,6504,5334,232
Interest Receivable292725212020201919181716
Property Plant And Equipment Net494746343434353535353636
Federal Home Loan Bank Stock-------7541518
Federal Reserve Bank Stock-------1211101010
Bank Owned Life Insurance97111104565610410310251515150
Prepaid Expense And Other Assets696868585856597555565365
Income Tax Receivable-----------0
Goodwill191919---0-----
Finite Lived Intangible Assets Net181819---1-----
Deferred Income Tax Assets Net505049293030301719191912
Deposits
Deposits6,3206,0975,8544,5664,2684,3274,1784,0433,9183,7723,3873,437
Interest Bearing Domestic Deposit Brokered720570536389254309310---184-
Advance Payments By Borrowers For Taxes And Insurance455544544444
Advances From Federal Home Loan Banks18119019641128911211166161283346
Accrued Liabilities And Other Liabilities787171736860667058618165
Liabilities6,6056,3846,1474,7054,4894,5034,3934,2554,0613,9163,7753,866
Preferred Stock Value0--000-000--
Common Stock Value00000000000-
Additional Paid In Capital416433459343359377417417417417417-
Stockholders Equity
Stockholders Equity842843859737737740765747744734758366
Unearned E S O P Shares-41-42-42-43-44-44-45-45-46-47-14-
Retained Earnings Accumulated Deficit475457445440428413400383384375366380
Accumulated Other Comprehensive Income Loss Net Of Tax-8-6-3-3-6-6-8-7-11-12-12-14
Liabilities And Stockholders Equity7,4477,2267,0065,4425,2275,2425,1585,0034,8054,6504,5334,232
Preferred Stock Par Or Stated Value Per Share0.010.010.010.010.010.010.010.010.010.010.01-
Preferred Stock Shares Authorized55555555555-
Preferred Stock Shares Issued00000000000-
Preferred Stock Shares Outstanding00000000000-
Common Stock Par Or Stated Value Per Share0.010.010.010.010.010.010.010.010.010.010.01-
Common Stock Shares Authorized120120120120120120120120120120120-
Common Stock Shares Issued4445464041414343434343-
Shares Outstanding4445464041414343434343-

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NB Bancorp, Inc. (NBBK) — SEC Financial Statements & Analysis

NB Bancorp, Inc. (NBBK) is a savings institutions, not federally chartered company. NB Bancorp, Inc. trades on Nasdaq as: NBBK. NB Bancorp, Inc. (NBBK)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-07. Based on that filing, NB Bancorp, Inc. carries a market cap of $836.20M, a P/E ratio of 14.13x, a P/B ratio of 0.99x, a P/S ratio of 2.11x, an enterprise value of $436.04M, and an EV/EBITDA multiple of -2.80x. On profitability, it posts a gross margin of 60.76%, an operating margin of 20.85%, a net margin of 14.92%, a Return on Equity (ROE) of 7.49%, and a Return on Invested Capital (ROIC) of -24.24%. Per share, it reports EPS of $1.49, diluted EPS of $1.48, free cash flow per share of $1.97, and a dividend per share of $0.30. Over the trailing year, it posted revenue growth of 27.95% year-over-year, net income growth of 15.51% year-over-year, and EPS growth of 8.23% year-over-year. On the balance sheet, it maintains an interest coverage ratio of -0.66x, free cash flow of $78.03M (TTM), and net debt of $-400.15M. Figures sourced from SEC EDGAR.

Market Cap
$836.20M
P/E TTM
14.13x
EPS TTM
$1.49
P/B TTM
0.99x
ROE TTM
7.49%
Free Cash Flow TTM
$78.03M
Net Revenue TTM Growth 1Y
27.95%

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is NB Bancorp, Inc. in?

NB Bancorp, Inc. (NBBK) operates in the Savings Institutions, Not Federally Chartered industry.

What exchange does NBBK trade on?

NB Bancorp, Inc. (NBBK) trades on the Nasdaq.

When was NB Bancorp, Inc. (NBBK)'s most recent SEC filing?

NB Bancorp, Inc. (NBBK)'s most recent SEC filing is a Form 10-Q for the period ended 2026-06-30, filed with the SEC on 2026-08-07.

What is NBBK's market cap?

NB Bancorp, Inc. (NBBK) has a market capitalization of $836.20M as of 2026-06-30.

What is NBBK's P/E ratio?

NB Bancorp, Inc. (NBBK)'s trailing twelve month P/E ratio is 14.13x as of 2026-06-30.

What is NBBK's EPS (earnings per share)?

NB Bancorp, Inc. (NBBK)'s trailing twelve month EPS is $1.49 as of 2026-06-30.

What is NBBK's ROE (return on equity)?

NB Bancorp, Inc. (NBBK)'s trailing twelve month Return on Equity (ROE) is 7.49% as of 2026-06-30.

What is NBBK's ROIC (return on invested capital)?

NB Bancorp, Inc. (NBBK)'s trailing twelve month Return on Invested Capital (ROIC) is -24.24% as of 2026-06-30.

What is NBBK's EV/EBITDA?

NB Bancorp, Inc. (NBBK)'s trailing twelve month EV/EBITDA is -2.80x as of 2026-06-30.

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