Core Viewpoint - The article emphasizes the importance of identifying and maintaining trends in short-term investing, highlighting that sound fundamentals and positive earnings estimates are crucial for sustaining momentum in stocks [1]. Group 1: Stock Screening and Selection - The "Recent Price Strength" screen is a unique short-term trading strategy that helps identify stocks with strong fundamentals capable of maintaining an uptrend [2]. - Stocks that pass this screen are typically trading in the upper portion of their 52-week high-low range, indicating bullish sentiment [2]. Group 2: Case Study - NB Bancorp, Inc. (NBBK) - NBBK has shown a solid price increase of 17% over the past 12 weeks, reflecting investor confidence in its potential upside [3]. - The stock has maintained a price increase of 1.1% over the last four weeks, indicating that the upward trend is still intact [4]. - NBBK is currently trading at 80.4% of its 52-week high-low range, suggesting it may be on the verge of a breakout [4]. Group 3: Fundamental Strength - NBBK holds a Zacks Rank 1 (Strong Buy), placing it in the top 5% of over 4,000 ranked stocks based on earnings estimate revisions and EPS surprises [5]. - The Zacks Rank system has a strong track record, with Rank 1 stocks generating an average annual return of +25% since 1988 [6]. - The Average Broker Recommendation for NBBK is also 1 (Strong Buy), indicating high optimism from the brokerage community regarding its near-term price performance [6]. Group 4: Additional Opportunities - Besides NBBK, there are several other stocks that meet the criteria of the "Recent Price Strength" screen, suggesting potential investment opportunities [7]. - The article encourages exploring over 45 Zacks Premium Screens tailored to different investing styles to identify winning stock picks [7].

Financial Position - Total assets increased by $272.0 million, or 6.0%, to $4.81 billion as of June 30, 2024, from $4.53 billion as of December 31, 2023[120] - Cash and cash equivalents rose by $56.4 million, or 20.7%, to $328.9 million as of June 30, 2024, driven by deposit growth[120] - Net loans increased by $202.4 million, or 5.2%, to $4.06 billion as of June 30, 2024, with significant growth in commercial and industrial loans, which rose by $94.4 million, or 19.2%[122] - Deposits grew by $530.6 million, or 15.7%, to $3.92 billion as of June 30, 2024, with core deposits increasing by $414.2 million, or 12.9%[125] - Total liabilities increased to $3.862 billion, while shareholders' equity rose to $737.510 million as of June 30, 2024[149] Loan and Deposit Activity - The company had approximately $415.2 million in loans to borrowers in the cannabis industry as of June 30, 2024, up from $365.9 million at the end of 2023[123] - Brokered deposits increased by $116.4 million, or 63.4%, from December 31, 2023, reflecting a strategy to support overall liquidity[125] - The company originated $222.2 million of loans during the six months ended June 30, 2024[155] - The company experienced net increases in deposits of $530.6 million for the six months ended June 30, 2024[156] - Non-brokered certificates of deposit due within one year totaled $1.30 billion, representing 33.1% of total deposits[155] - As of June 30, 2024, the company had $300.0 million of brokered deposits, with an additional capacity of approximately $180.5 million[153] Income and Expenses - Net income for the quarter ended June 30, 2024, was $9.5 million, an increase of approximately $3.2 million, or 52.0%, compared to $6.2 million for the same quarter in 2023[126] - Interest and dividend income increased by $18.9 million, or 36.1%, to $71.1 million for the quarter ended June 30, 2024, primarily due to a $15.2 million, or 30.4%, increase in interest and fees on loans[126] - Noninterest expense increased by $3.9 million, or 17.4%, to $26.2 million for the quarter ended June 30, 2024, with salaries and employee benefits rising by $2.3 million, or 16.3%[130] - Net interest income rose by $14.4 million, or 22.9%, to $77.4 million for the six months ended June 30, 2024, driven by a $868.3 million, or 24.5%, increase in average interest-earning assets[141] - Noninterest income decreased by $2.5 million, or 27.6%, to $6.5 million for the six months ended June 30, 2024, compared to $9.0 million for the same period in 2023[144] Interest Rates and Margins - Average interest-earning assets increased by $851.8 million, or 23.3%, to $4.51 billion for the quarter ended June 30, 2024, with a yield increase of 61 basis points to 6.34%[128] - Total interest expense increased by $11.9 million, or 58.0%, to $32.4 million for the quarter ended June 30, 2024, driven by an increase in interest expense on deposit accounts by $14.1 million, or 80.8%[126] - The weighted average rate on certificates of deposit increased by 142 basis points to 5.04% for the quarter ended June 30, 2024, from 3.62% for the same quarter in 2023[126] - The yield on interest-earning assets increased by 76 basis points to 6.35% for the six months ended June 30, 2024, compared to 5.59% for the same period in 2023[138] - The net interest margin was 3.53% for the six months ended June 30, 2024, compared to 3.58% for the same period in 2023[149] Credit Losses and Provisions - Provision for credit losses recorded was $3.7 million for the quarter ended June 30, 2024, with $4.4 million related to loans, compared to a provision of $4.0 million for the same quarter in 2023[129] - The provision for credit losses was $8.1 million for the six months ended June 30, 2024, compared to $6.1 million for the same period in 2023, reflecting a 32.4% increase[143] Tax and Regulatory Compliance - The effective tax rate decreased to 20.0% for the quarter ended June 30, 2024, from 26.4% in the same quarter of 2023, due to income tax credits earned[133] - The company is categorized as well-capitalized and exceeds all regulatory capital requirements as of June 30, 2024[158] Economic Environment and Strategy - The company’s strategy focuses on diversifying into higher-yielding loans to improve net margins and manage interest rate risk[122] - The company continues to assess and manage risks related to economic uncertainties, including inflation and interest rate changes[110] - The primary impact of inflation on the company is reflected in increased operating costs, with interest rates having a more significant impact on performance[159]

Financial Performance Overview [Second Quarter 2024 Highlights](index=1&type=section&id=Second%20Quarter%202024%20Highlights) NB Bancorp reported strong Q2 2024 results, with net income increasing to $9.5 million and robust loan and deposit growth Q2 2024 Key Financial Metrics | Metric | Q2 2024 | Q1 2024 | Change | | :--- | :--- | :--- | :--- | | Net Income | $9.5 million | $8.7 million | +$0.8M | | Diluted EPS | $0.24 | $0.22 | +$0.02 | | Gross Loans Growth (QoQ) | 3.6% | - | - | | Total Deposits Growth (QoQ) | 3.9% | - | - | | Net Interest Margin (FTE) | 3.45% | 3.60% | -15 bps | | NPLs / Total Loans | 0.51% | 0.27% | +24 bps | | Tangible Book Value per Share | $17.41 | $17.16 | +$0.25 | - Management highlighted strong loan demand in their market and a continued ability to generate core deposits to fund this growth, leading to a strong balance sheet position entering the third quarter[3](index=3&type=chunk) - Asset quality remains strong, although non-performing loans increased, primarily due to a single **$6.2 million** office loan being placed on non-accrual status during the quarter[3](index=3&type=chunk) - The allowance for credit losses (ACL) was increased to **0.92%** of total loans, up from **0.87%** in the prior quarter, strengthening the company's reserve position[3](index=3&type=chunk) Detailed Financial Analysis [Balance Sheet Analysis](index=2&type=section&id=Balance%20Sheet%20Analysis) Total assets grew to $4.81 billion, driven by robust increases in net loans and total deposits, with shareholders' equity also rising Balance Sheet Changes (Q2 2024 vs Q1 2024) | Account | Q2 2024 Balance | QoQ Change ($) | QoQ Change (%) | | :--- | :--- | :--- | :--- | | Total Assets | $4.81 billion | +$155.4 million | +3.3% | | Net Loans | $4.06 billion | +$139.1 million | +3.5% | | Total Deposits | $3.92 billion | +$145.9 million | +3.9% | | Shareholders' Equity | $744.5 million | +$10.6 million | +1.4% | - Key drivers of loan growth were commercial and industrial loans (**+$87.3M**, **+17.5%**) and construction and land development loans (**+$43.1M**, **+8.0%**)[7](index=7&type=chunk) - The increase in deposits was primarily due to growth in certificates of deposit, which rose by **$131.3 million**, or **9.0%**, from the prior quarter[7](index=7&type=chunk) [Income Statement Analysis](index=2&type=section&id=Income%20Statement%20Analysis) Income statement reflects stable net interest income, decreased noninterest income, increased noninterest expenses, and lower tax expense [Net Interest Income](index=2&type=section&id=Net%20Interest%20Income) Net interest income remained stable at $38.7 million, as increased interest income from loans was offset by higher interest expense on deposits - Net interest income for Q2 2024 was **$38.7 million**, a minor increase of **$89 thousand** from the prior quarter[5](index=5&type=chunk) - The increase in interest income was primarily due to higher average loan balances, while the rise in interest expense was driven by both higher rates and volumes on deposits[7](index=7&type=chunk) [Noninterest Income](index=2&type=section&id=Noninterest%20Income) Noninterest income decreased to $3.0 million, primarily due to a one-time prior quarter bonus and lower swap income, partially offset by mortgage banking growth - The primary reason for the decrease in noninterest income was a **98.1%** drop in 'Other income' following a one-time debit card signing bonus in Q1 2024[7](index=7&type=chunk) - Mortgage banking income showed strong growth, increasing by **289.1%** due to a higher volume of residential loan sales[7](index=7&type=chunk) [Noninterest Expense](index=2&type=section&id=Noninterest%20Expense) Noninterest expense rose to $26.2 million, driven by increased professional fees, marketing, and data processing, partially offset by lower salaries and benefits - Salaries and employee benefits, the largest expense category, decreased by **$814 thousand** (**4.6%**), primarily due to lower payroll taxes and a one-time pension charge in the prior quarter[11](index=11&type=chunk) - Increases were noted in several areas, including data processing (**+$330k**) from technology investments, professional fees (**+$362k**), and marketing (**+$353k**)[7](index=7&type=chunk)[11](index=11&type=chunk) [Income Taxes](index=3&type=section&id=Income%20Taxes) Income tax expense decreased significantly to $2.4 million, driven by investment tax credits that lowered the effective tax rate to 20.0% - The effective tax rate for Q2 2024 was **20.0%**, compared to **28.3%** in Q1 2024[8](index=8&type=chunk) - The decrease in the tax rate and expense was primarily due to investment tax credits received during the current quarter[8](index=8&type=chunk) [Loan Portfolio and Asset Quality](index=3&type=section&id=Loan%20Portfolio%20and%20Asset%20Quality) Loan portfolio quality remains solid despite an increase in non-performing loans due to a single office loan, with increased ACL and low net charge-offs [Commercial Real Estate Portfolio](index=3&type=section&id=Commercial%20Real%20Estate%20Portfolio) CRE portfolio decreased to $1.49 billion due to multi-family loan payoff; office portfolio concentrated in suburban medical and lab spaces - The multi-family loan portfolio decreased by **16.7%** due to a large loan payoff and fewer originations[12](index=12&type=chunk) - The office portfolio is concentrated in the Greater Boston suburbs and consists mainly of medical and lab space, not downtown high-rises[12](index=12&type=chunk) [Overall Asset Quality](index=3&type=section&id=Overall%20Asset%20Quality) Asset quality remains strong despite NPLs increasing to $20.7 million due to one office loan, with ACL rising to 0.92% and minimal net charge-offs Asset Quality Metrics (Q2 2024 vs Q1 2024) | Metric | Q2 2024 | Q1 2024 | | :--- | :--- | :--- | | Non-Performing Loans | $20.7 million | $10.8 million | | ACL as % of Total Loans | 0.92% | 0.87% | | Annualized Net Charge-offs | 0.09% | 0.19% | - The significant increase in non-performing loans was primarily driven by a single office loan placed on non-accrual status[12](index=12&type=chunk) - All net charge-offs during the quarter were from the purchased consumer loan portfolio, mainly home improvement and solar loans[12](index=12&type=chunk) Financial Tables [Selected Financial Highlights](index=6&type=section&id=Selected%20Financial%20Highlights) This table summarizes key financial performance indicators: earnings, per share, profitability, balance sheet, asset quality, and capital ratios - Presents key performance indicators including net income, EPS, net interest margin, ROA, ROE, and asset quality ratios for the current and comparative quarters[19](index=19&type=chunk) [Consolidated Balance Sheets](index=7&type=section&id=Consolidated%20Balance%20Sheets) This table details the company's consolidated balance sheets, presenting assets, liabilities, and shareholders' equity for current and comparative periods - Provides a detailed breakdown of assets (cash, securities, loans), liabilities (deposits, borrowings), and shareholders' equity for the current and comparative periods[20](index=20&type=chunk) [Consolidated Statements of Income](index=8&type=section&id=Consolidated%20Statements%20of%20Income) This table presents the consolidated statements of income, detailing revenues and expenses to derive net income and earnings per share for the periods - Details the components of the income statement, including interest income, interest expense, provision for credit losses, noninterest income, noninterest expense, and income taxes[21](index=21&type=chunk) [Average Balances, Interest Earned/Paid & Average Yields](index=9&type=section&id=Average%20Balances,%20Interest%20Earned%2FPaid%20%26%20Average%20Yields) This table analyzes net interest margin by detailing average balances, interest earned/paid, and average yields for interest-earning assets and liabilities - Offers a comprehensive breakdown of net interest income, detailing average balances, interest amounts, and yields for various loan, investment, deposit, and borrowing categories, which is used to calculate net interest spread and margin[22](index=22&type=chunk) [Commercial Real Estate by Collateral Type](index=10&type=section&id=Commercial%20Real%20Estate%20by%20Collateral%20Type) This table segments the commercial real estate loan portfolio by collateral type and occupancy status, providing balances for current and comparative periods - Provides a granular view of the **$1.49 billion** commercial real estate portfolio, segmented by property type such as Industrial (**29%**), Multi-Family (**18%**), and Office (**13%**)[24](index=24&type=chunk) [Asset Quality Details](index=12&type=section&id=Asset%20Quality%20Details) These tables provide detailed asset quality information, including non-performing assets by loan category and the allowance for credit losses roll-forward - Details non-performing loans by category, showing the increase in commercial real estate NPLs to **$7.1 million** from **$0.4 million** in the prior quarter[26](index=26&type=chunk) - Presents the allowance for credit losses roll-forward, showing a **$4.4 million** provision and **$878 thousand** in net charge-offs for the quarter[27](index=27&type=chunk) [Non-GAAP Reconciliation](index=11&type=section&id=Non-GAAP%20Reconciliation) This table reconciles GAAP to non-GAAP financial measures, including tangible book value per share and efficiency ratio, for a clearer view of core performance - Provides reconciliations for key non-GAAP metrics, including tangible book value per share, which is calculated by subtracting intangible assets from total shareholders' equity and dividing by shares outstanding[25](index=25&type=chunk) Company Information and Disclosures [About NB Bancorp, Inc.](index=4&type=section&id=About%20NB%20Bancorp,%20Inc.) NB Bancorp, Inc. is the holding company for Needham Bank, a community bank founded in 1892, serving the Greater Boston area - NB Bancorp, Inc. (NBBK) is the holding company for Needham Bank, a community bank founded in **1892** and headquartered near Boston, MA[14](index=14&type=chunk) [Non-GAAP Financial Measures](index=4&type=section&id=Non-GAAP%20Financial%20Measures) This section discloses non-GAAP financial measures, like tangible book value per share, useful for analysis but not a substitute for GAAP results - The report uses non-GAAP measures like tangible book value per share, which management believes are utilized by regulators and analysts to evaluate financial condition[15](index=15&type=chunk) [Forward-Looking Statements](index=4&type=section&id=Forward-Looking%20Statements) This safe harbor warns that forward-looking statements are subject to risks and uncertainties, and actual results may differ materially - The document contains forward-looking statements that are not guarantees of future performance and are subject to risks and uncertainties[16](index=16&type=chunk) - Factors that could cause actual results to differ include changes in economic conditions, interest rates, real estate values, and government regulation[17](index=17&type=chunk)

Table of Contents SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2024 OR ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from _______________ to _______________ Commission File No. 001-41899 NB Bancorp, Inc. (Exact name of registrant as specified in its charter) Maryland 93-2560883 (State o ...

Total assets were $4.65 billion as of March 31, 2024, representing an increase of $116.6 million, or 2.6%, from December 31, 2023. NB Bancorp, Inc. Reports First Quarter 2024 Financial Results Investor Contact JP Lapointe, EVP and CFO IR@NeedhamBank.com 781-474-5408 Needham, MA, April 24, 2024 – NB Bancorp, Inc. (the "Company") (Nasdaq Capital Market: NBBK), the holding company of Needham Bank, today announced its first quarter 2024 financial results. SELECTED FINANCIAL HIGHLIGHTS FOR THE FIRST QUARTER OF 2 ...

Economic Conditions and Risks - Changes in interest rates may negatively impact the ability to originate real estate loans and the value of assets, ultimately affecting earnings[291]. - Inflation has risen, leading to increased costs of goods and services, which may negatively impact customers' ability to repay loans[294]. - A significant decline in economic conditions could lead to increased non-performing loans and adversely affect financial performance[295]. - A U.S. government debt default could lead to a decrease in the value of U.S. Treasury securities held by the company, negatively impacting capital position[297]. - The company has a high concentration of loans secured by real estate, increasing the risk of defaults in adverse economic conditions[298]. - Adverse developments in the financial services industry could lead to market-wide liquidity problems, affecting the company's financial condition[299]. - The company faces risks related to funding sources, which may prove insufficient to replace deposits at maturity and support future growth[311]. - Changes in laws and regulations may adversely affect operations and increase costs of operations[312]. Financial Performance - Total assets increased to $4,533,412 thousand as of December 31, 2023, up from $3,592,335 thousand in 2022, representing a growth of 26.2%[474]. - Net loans rose to $3,857,057 thousand, a significant increase of 28.9% from $2,990,417 thousand in the previous year[474]. - Total deposits grew to $3,387,348 thousand, reflecting a 17.3% increase from $2,886,743 thousand in 2022[474]. - Net interest income after provision for credit losses was $116,172 thousand, up from $98,264 thousand, marking an increase of 18.3%[476]. - Noninterest income totaled $15,577 thousand, a 67.5% increase compared to $9,275 thousand in 2022[476]. - Total noninterest expense increased to $119,905 thousand, up 68.5% from $71,151 thousand in the previous year[476]. - Net income for 2023 was $9,825 thousand, a decrease of 67.3% from $30,065 thousand in 2022[476]. - Comprehensive income for the year was $12,329 thousand, down from $17,936 thousand in 2022[479]. Capital and Funding - Minimum capital requirements include a common equity Tier 1 capital ratio of 4.5% and a total capital ratio of 8%[321]. - The company may need to raise additional capital to support growth, which could dilute existing shareholders' interests[331]. - The company issued 40,997,500 common shares, raising $400,375 thousand net of costs[481]. - The company incurred approximately $9.6 million in conversion costs related to its transition to a publicly traded stock organization[490]. Compliance and Regulatory Risks - Compliance with anti-money laundering laws and reporting obligations to FinCEN is critical, with potential fines for non-compliance[317]. - The company faces significant legal risks from regulatory investigations and private actions, which could lead to financial liability[328]. - The company operates three new business lines related to cannabis, money services, and ATMs, requiring enhanced compliance procedures[313]. - The Federal Reserve Board's monetary policies could adversely affect the company's financial condition and results of operations[319]. Operational Risks - The company faces significant operational risks due to reliance on technology, including potential failures, interruptions, and security breaches that could adversely affect financial condition and operations[338]. - Outsourcing critical operations to third-party service providers exposes the company to risks if these vendors fail to perform as per contractual agreements, which could materially impact business operations[340]. - The introduction of new products and services may incur significant costs and expose the company to operational risks[334]. Credit Losses and Allowance - The allowance for credit losses increased to $32,222 thousand from $25,028 thousand, indicating a rise in provisions for potential loan losses[474]. - Provision for credit losses increased significantly to $13,885 thousand in 2023 from $6,700 thousand in 2022, indicating a rise in expected credit losses[484]. - The allowance for credit losses (ACL) was adjusted by approximately $1.2 million for loans and $1.8 million for unfunded commitments upon the adoption of ASC 326[518]. - The Company’s ACL is based on an evaluation of the loan portfolio, current economic conditions, and historical loan loss experience, utilizing a third-party CECL model for estimation[513]. - The reserve for unfunded commitments was increased by $1.8 million, which reduced equity by $1.3 million after tax effects[526]. - The allowance for credit losses for unfunded loan commitments increased to $6.0 million as of December 31, 2023, from zero as of December 31, 2022[591]. Revenue and Income Sources - The Company reported total revenues from contracts with customers of $7,817,000 for the year ended December 31, 2023, compared to $5,138,000 in 2022, representing a year-over-year increase of approximately 52%[540]. - ATM and interchange income increased to $1,224,000 in 2023 from $1,071,000 in 2022, reflecting a growth of about 14.3%[540]. - Other customer service fees surged to $6,066,000 in 2023, compared to $3,629,000 in 2022, indicating a significant increase of around 67.2%[540]. Investments and Securities - As of December 31, 2023, the total amortized cost of available-for-sale (AFS) securities was $204.3 million, with a fair value of $189.5 million, reflecting an unrealized loss of $14.8 million[556]. - The net unrealized losses on AFS securities decreased from $18.5 million as of December 31, 2022, to $14.8 million as of December 31, 2023[558]. - The Company held $49.6 million in investment securities pledged to secure borrowings with the Federal Reserve Bank as of December 31, 2023, compared to none in 2022[556]. - The Company did not sell any AFS securities during the years ended December 31, 2023, and 2022[557].

Exhibit 99.1 NB Bancorp, Inc. Reports Full Year 2023 Financial Results Investor Contact ● Net income was $9.8 million for 2023, which was negatively impacted by the previously mentioned one-time expenses, most significantly the $19.1 million expense for the cash and stock contribution to the Needham Bank Charitable Foundation. ● Net income, excluding conversion and IPO-related expenses, was $34.3 million for the year ended December 31, 2023. ● Book value and tangible book value per share were $17.75 and $17 ...

Part I. Financial Information [Financial Statements](index=5&type=section&id=Item%201%2E%20Financial%20Statements) The unaudited statements show significant growth in assets, loans, and deposits, reflecting the adoption of CECL and ongoing expansion Consolidated Balance Sheet Highlights (in thousands) | Metric | September 30, 2023 | December 31, 2022 | | :--- | :--- | :--- | | Total Assets | $4,231,792 | $3,592,335 | | Loans Receivable, net | $3,683,262 | $2,990,417 | | Total Deposits | $3,436,659 | $2,886,743 | | FHLB Borrowings | $345,634 | $293,082 | | Total Equity | $365,701 | $344,065 | Consolidated Income Statement Highlights (in thousands) | Metric | Nine Months Ended Sep 30, 2023 | Nine Months Ended Sep 30, 2022 | | :--- | :--- | :--- | | Net Interest Income | $95,200 | $73,888 | | Provision for Credit Losses | $7,984 | $4,100 | | Non-Interest Income | $12,322 | $6,903 | | Net Income | $23,444 | $18,037 | - The financial statements belong to NB Financial, MHC, as the conversion to NB Bancorp, Inc was not yet complete[6](index=6&type=chunk) - The company adopted the **CECL standard (ASC 326)** on January 1, 2023, which **decreased retained earnings by $2.1 million**[17](index=17&type=chunk)[32](index=32&type=chunk) - Loans to the cannabis industry **increased significantly to $158.5 million** from $58.3 million at year-end 2022[64](index=64&type=chunk) - The company is converting from a mutual to a stock holding company, incurring **$1.8 million in deferred costs**[170](index=170&type=chunk)[171](index=171&type=chunk) - The Bank was considered **well-capitalized** with a Community Bank Leverage Ratio of **9.13%**, exceeding the minimum requirement[111](index=111&type=chunk) [Management's Discussion and Analysis (MD&A)](index=64&type=section&id=Item%202%2E%20Management's%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) Management discusses strong loan and deposit growth, rising net interest income, and strategies for managing risk - Net loans grew by **$692.8 million**, driven by commercial real estate (+$273.4M) and commercial and industrial (+$224.3M) loans[189](index=189&type=chunk) - Deposits grew by **$549.9 million**, with core deposits increasing by **$476.3 million**, partly due to industry turmoil and branch expansion[191](index=191&type=chunk)[192](index=192&type=chunk)[193](index=193&type=chunk) - Noninterest income was boosted by a one-time **$3.5 million employee retention credit** and a **$1.9 million increase** in customer service fees[222](index=222&type=chunk)[223](index=223&type=chunk) - The provision for credit losses increased by **$3.9 million**, primarily due to significant loan portfolio growth[221](index=221&type=chunk) - The company maintains substantial liquidity from deposits and has access to **$465.8 million** from the FHLB and **$45.3 million** from the Federal Reserve[245](index=245&type=chunk) - The Bank **exceeded all regulatory capital requirements** and was categorized as well-capitalized as of September 30, 2023[251](index=251&type=chunk) Year-to-Date Performance vs. Prior Year (Nine Months Ended Sep 30) | Metric (in millions) | 2023 | 2022 | Change | % Change | | :--- | :--- | :--- | :--- | :--- | | Net Interest Income | $95.2 | $73.9 | +$21.3 | +28.8% | | Provision for Credit Losses | $8.0 | $4.1 | +$3.9 | +94.7% | | Noninterest Income | $12.3 | $6.9 | +$5.4 | +78.5% | | Noninterest Expense | $67.5 | $52.4 | +$15.2 | +29.0% | | Net Income | $23.4 | $18.0 | +$5.4 | +30.0% | Interest Rate Sensitivity Analysis (as of Sep 30, 2023) | Rate Shock (bps) | % Change in Net Interest Income | % Change in Economic Value of Equity | | :--- | :--- | :--- | | +300 | -3.5% | -2.8% | | +200 | -2.4% | -1.3% | | +100 | -0.9% | -0.2% | | -100 | 0.0% | -1.5% | | -200 | -0.7% | -5.0% | [Controls and Procedures](index=87&type=section&id=Item%204%2E%20Controls%20and%20Procedures) Management concluded that the company's disclosure controls and internal financial reporting controls were effective - Management concluded that the company's disclosure controls and procedures were **effective** as of the end of the reporting period[255](index=255&type=chunk) - **No material changes** in internal control over financial reporting occurred during the quarter[256](index=256&type=chunk) Part II. Other Information [Legal Proceedings and Other Disclosures](index=89&type=section&id=Item%201%2E%20Legal%20Proceedings%20and%20Other%20Disclosures) The company reports no material legal actions and notes its status as an emerging growth company exempts it from certain disclosures - The company is subject to various legal actions from the normal course of business, which are **not expected to have a material effect**[258](index=258&type=chunk) - As an emerging growth company, disclosures for **Risk Factors** and **Market Risk** are not required[254](index=254&type=chunk)[259](index=259&type=chunk)

As filed with the Securities and Exchange Commission on October 10, 2023 Registration No. 333-272567 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 PRE-EFFECTIVE AMENDMENT NO. 6 TO THE FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NB Bancorp, Inc. Needham Bank 401(k) Plan (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of (Primary Standard Industrial (I.R.S. Employer Incorporation or Organization) Classification Code Number) Ide ...

As filed with the Securities and Exchange Commission on October 2, 2023 Registration No. 333-272567 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 PRE-EFFECTIVE AMENDMENT NO. 5 TO THE FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NB Bancorp, Inc. Needham Bank 401(k) Plan (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of (Primary Standard Industrial (I.R.S. Employer Incorporation or Organization) Classification Code Number) Iden ...