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    SEC Form 11-K filed by NBT Bancorp Inc.

    6/28/24 4:15:16 PM ET
    $NBTB
    Major Banks
    Finance
    Get the next $NBTB alert in real time by email
    11-K 1 ef20031789_11k.htm 11-K
    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    WASHINGTON, D.C. 20549


    FORM 11-K

    (Mark One):

    ☒ ANNUAL REPORT PURSUANT TO SECTION 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934.

    For the fiscal year ended December 31, 2023

    OR

    ☐ TRANSITION REPORT PURSUANT TO SECTION 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934.

    For the transition period from ______________________ to _____________________.

    Commission File No. 0-14703

    A.
    Full title of the plan and the address of the plan, if different from that of the issuer named below:

    NBT Bancorp Inc. 401(k) and Employee Stock Ownership Plan.

    B.
    Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:

    NBT Bancorp Inc., 52 South Broad Street, Norwich, New York 13815.



    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK
    OWNERSHIP PLAN
     
    Financial Statements and Supplemental Schedule
     
    December 31, 2023 and 2022
     
    (With Report of Independent Registered Public Accounting Firm Thereon)
     

    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK
    OWNERSHIP PLAN
     
    Table of Contents
     
     
    Page
       
    Report of Independent Registered Public Accounting Firm
    1
       
    Statements of Net Assets Available for Plan Benefits at December 31, 2023 and 2022
    2
       
    Statements of Changes in Net Assets Available for Plan Benefits for the years ended December 31, 2023 and 2022
    3
       
    Notes to Financial Statements
    4
       
    Supplemental Schedule*
     
       
    Schedule H, Line 4i – Schedule of Assets (Held at End of Year)
    9

    *
    Schedules required by Form 5500 that are not applicable have not been included.
     

    Table of Contents
    Report of Independent Registered Public Accounting Firm
     
    To the Plan Participants and Plan Administrator
    NBT Bancorp Inc. 401(k) and Employee Stock Ownership Plan

    Opinion on the Financial Statements

    We have audited the accompanying statements of net assets available for benefits of NBT Bancorp Inc. 401(k) and Employee Stock Ownership Plan (the Plan) as of December 31, 2023 and 2022, the related statements of changes in net assets available for benefits for the years ended December 31, 2023 and 2022, and the related notes (collectively, the financial statements). In our opinion, the financial statements present fairly, in all material respects, the net assets available for benefits of the Plan as of December 31, 2023 and 2022, and the changes in net assets available for benefits for the years ended December 31, 2023 and 2022, in conformity with U.S. generally accepted accounting principles.

    Basis for Opinion

    These financial statements are the responsibility of the Plan’s management. Our responsibility is to express an opinion on these financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Plan in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

    We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

    Accompanying Supplemental Information

    The Schedule H, line 4i - Schedule of Assets (Held at End of Year) as of December 31, 2023 has been subjected to audit procedures performed in conjunction with the audit of the Plan’s financial statements. The supplemental information is the responsibility of the Plan’s management. Our audit procedures included determining whether the supplemental information reconciles to the financial statements or the underlying accounting and other records, as applicable, and performing procedures to test the completeness and accuracy of the information presented in the supplemental information. In forming our opinion on the supplemental information, we evaluated whether the supplemental information, including its form and content, is presented in conformity with the Department of Labor’s Rules and Regulations for Reporting and Disclosure under the Employee Retirement Income Security Act of 1974. In our opinion, the supplemental information is fairly stated, in all material respects, in relation to the financial statements as a whole.

    /s/ KPMG LLP
     
       
    We have served as the Plan’s auditor since 1987.
     
       
    Albany, New York
     
    June 28, 2024
     

    1

    Table of Contents
    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    STATEMENTS OF NET ASSETS AVAILABLE FOR PLAN BENEFITS
    December 31, 2023 and 2022

       
    2023
       
    2022
     
    Assets
               
    Investments, at fair value:
               
    Mutual funds
     
    $
    264,808,931
       
    $
    213,888,374
     
    Common stock of NBT Bancorp Inc.
       
    33,836,820
         
    36,531,315
     
    Stable value fund
       
    17,172,849
         
    19,486,063
     
    Cash and money market funds
       
    1,680,284
         
    866,221
     
    Total investments, at fair value
     
    $
    317,498,884
       
    $
    270,771,973
     
    Receivables:
                   
    Notes receivable from participants
     
    $
    3,148,813
       
    $
    2,776,448
     
    Due from broker
       
    493,910
         
    17,493
     
    Contributions receivable from employer
       
    464,182
         
    1,513,009
     
    Total receivables
     
    $
    4,106,905
       
    $
    4,306,950
     
    Total assets
     
    $
    321,605,789
       
    $
    275,078,923
     
                     
    Liabilities
                   
    Due to broker
     
    $
    817,578
       
    $
    532,723
     
    Total liabilities
     
    $
    817,578
       
    $
    532,723
     
                     
    Net assets available for plan benefits
     
    $
    320,788,211
       
    $
    274,546,200
     

    See accompanying notes to financial statements.

    2

    Table of Contents
    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    STATEMENTS OF CHANGES IN NET ASSETS AVAILABLE FOR PLAN BENEFITS
    Years Ended December 31, 2023 and 2022

       
    2023
       
    2022
     
    Additions (reductions)
               
    Net investment income (loss):
               
    Net appreciation (depreciation) in fair value of investments
     
    $
    31,654,964
       
    $
    (60,935,528
    )
    Dividends
       
    11,951,014
         
    12,623,150
     
    Interest
       
    622,762
         
    300,133
     
    Total net investment income (loss)
     
    $
    44,228,740
       
    $
    (48,012,245
    )
                     
    Interest income on notes receivable from participants
     
    $
    164,667
       
    $
    134,383
     
                     
    Contributions:
                   
    Participants
     
    $
    13,031,102
       
    $
    11,748,162
     
    Employer
       
    5,311,908
         
    5,814,960
     
    Rollovers
       
    12,167,810
         
    2,262,633
     
    Total contributions
     
    $
    30,510,820
       
    $
    19,825,755
     
                     
    Total additions (reductions)
     
    $
    74,904,227
       
    $
    (28,052,107
    )
                     
    Deductions
                   
    Distributions to participants
     
    $
    (28,623,542
    )
     
    $
    (14,753,392
    )
    Administrative expenses
       
    (38,674
    )
       
    (23,478
    )
    Total deductions
     
    $
    (28,662,216
    )
     
    $
    (14,776,870
    )
                     
    Net increase (decrease) in net assets available for plan benefits
     
    $
    46,242,011
       
    $
    (42,828,977
    )
                     
    Net assets available for plan benefits
                   
    Beginning of year
     
    $
    274,546,200
       
    $
    317,375,177
     
    End of year
     
    $
    320,788,211
       
    $
    274,546,200
     

    See accompanying notes to financial statements.

    3

    Table of Contents
    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    NOTES TO FINANCIAL STATEMENTS
    December 31, 2023 and 2022

    1.
    Description of Plan

    The following description of the NBT Bancorp Inc. 401(k) and Employee Stock Ownership Plan (“the Plan”) provides only general information. Participants should refer to the Plan Agreement or Summary Plan Description for a more complete description of the Plan’s provisions.

    General

    The Plan is a defined contribution plan as defined under Section 401(a) of the Internal Revenue Code (“IRC”), sponsored by NBT Bancorp Inc. (“the Sponsor”, “the Plan Administrator” or “the Company”). The Sponsor is responsible for administration of the Plan. NBT Bank, N.A, is a wholly-owned subsidiary of NBT Bancorp Inc. NBT Bank, N.A. is the trustee of the Plan (“the Trustee”) and Charles Schwab Bank is the Custodian of the Plan. EPIC Retirement Plan Services, a wholly‑owned subsidiary of NBT Financial Services, Inc., a wholly‑owned subsidiary of the Sponsor, is the Plan’s record keeper. The assets of the Plan are held, administered and managed in accordance with the terms and conditions of the Trust Agreement, which is considered to be an integral part of the Plan.

    The Plan is subject to the provisions of the Employee Retirement Income Security Act of 1974, as amended (“ERISA”).

    The Plan was amended and restated, in its entirety, effective as of January 1, 2021, to operate under an IRS pre-approved plan document, as administered by EPIC Retirement Plan Services.

    The Plan was amended and restated, in its entirety, effective as of April 1, 2022, to include predecessor service for Cleveland Hauswirth Investment Management and HA Rogers, and to include NBT Capital Management Inc. as a participating employer. NBT Capital Management Inc. became a participating employer on April 1, 2022.

    The Plan was amended and restated, effective as of July 1, 2023 to include employees of Retirement Direct, LLC effective July 1, 2023 and employees of Salisbury Bank and Trust Company effective August 12, 2023.

    Eligibility

    All employees who are age 21 or over and scheduled to complete 1,000 hours of service or have completed 1,000 hours of service are eligible to participate in the Plan. Eligible employees are required to complete 30 days of employment prior to entry into the Plan. A deemed election becomes effective as of the first day of the month the eligible employee becomes a participant and is eligible to make a deferral election to the Plan.

    Contributions and Deferrals

    Participants may make pre‑tax and post-tax contributions in whole percentages or may elect a flat dollar contribution up to Internal Revenue Service (“IRS”) limitations for any plan year. The post-tax contributions are deferrals to Roth accounts.

    The Plan includes provisions for automatic elective contributions under which any employee that meets certain eligibility requirements will be automatically enrolled in the Plan and will automatically have 6% withheld from his or her compensation and contributed to the Plan. The employee will have to elect to opt out of the qualified automatic contribution election.

    The Company’s matching contribution is 100% of each participant’s contribution up to 1% of compensation plus 50% of the next 5% of compensation for a total matching contribution of up to 3.5% of compensation. The Company match amounted to $4,847,726 and $4,308,783 in 2023 and 2022, respectively. A discretionary amount, determined by the Sponsor’s Board of Directors, may be contributed to the Plan each year. To share in this discretionary contribution, participants must be actively employed on the last day of the year, have completed 1,000 hours of service and have contributed a minimum percentage of compensation during the year as determined annually by the Company. The amount is allocated to participants on a pro-rata basis, based on compensation. No discretionary contributions were made for 2023. During 2022, discretionary contributions of $1,187,294 were approved by the Sponsor’s board of directors and were paid during 2023. These discretionary contributions are included in contributions receivable from employer in the Statement of Net Assets Available for Plan Benefits as of December 31, 2023 and 2022.

    4

    Table of Contents

    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    NOTES TO FINANCIAL STATEMENTS
    December 31, 2023 and 2022
    In addition, as defined in the Plan document, employees participating in the Plan under the Worker Retirement Accumulation Plan (“WRAP”) design can receive an additional discretionary Company contribution equal to the interest credit on service credits earned under the WRAP design. The Company contribution for employees participating in the WRAP amounted to $464,182 in 2023, which was paid during 2024, and $318,883 in 2022, which was paid during 2023. These discretionary contributions are included in contributions receivable from employer in the Statement of Net Assets Available for Plan Benefits as of December 31, 2023 and 2022.

    Participant Accounts

    Participants elect to have their contributions invested among the various funds available to the Plan, including NBT Bancorp Inc. common stock. Each participant’s account is credited with the Sponsor’s and participant’s contributions, plan earnings and income, expenses, gains and losses attributable thereto.

    Vesting

    Participants’ contributions and net investment income or loss thereon are 100% vested. The participants’ vesting in Safe Harbor employer matching contributions are 100% vested upon completion of two years of service. Employer discretionary contributions are vested after five years of service. Participants are considered 100% vested upon termination due to death, retirement or permanent disability.

    Rollovers and Transfers from Other Qualifying Plans

    Participants may make rollover contributions to the Plan through a distribution from a former employer’s qualified retirement plan in accordance with the IRC.

    Notes Receivable from Participants

    Participants may borrow from their account in amounts ranging from $1,000 to the lesser of $50,000 or 50% of the vested 401(k) account balance excluding Company contributions invested in NBT Bancorp Inc. common stock and employer contributions made subsequent to January 1, 1997. Loans, other than loans for the purchase of a primary residence, must be repaid over a period no longer than five years. Loans for the purchase of a primary residence must be repaid over a period no longer than 15 years. Interest is charged at the prime rate plus 1% as of the loan origination date. Participant loans are treated as a transfer from the participant directed accounts into the loan fund. Principal and interest payments on the loans are allocated to the loan fund and transferred into the participant directed accounts based on the participants’ current investment allocation elections.

    Payment of Benefits

    Upon normal or early retirement, disability, death or termination of employment, the value of a participant’s account is paid as requested by the participant. If the value of the vested balance does not exceed $5,000, then the distribution will be made in a single lump sum payment regardless if the participant requests to receive it. Early retirement is allowed upon reaching age 55 and completion of least 5 years of service.

    Withdrawals

    Subject to certain limitations prescribed by the Plan and the IRC, terminated participants may elect retirement or other termination withdrawals in either lump sum or partial payments.

    Forfeitures

    Forfeitures are applied to reduce the amount of future employer contributions otherwise required to be paid. In 2023 and 2022, forfeitures from non-vested accounts totaled $115,194 and $76,183, respectively, and forfeitures used to reduce employer contributions were $79,369 and $87,867, respectively. Forfeiture account balances totaled $40,657 and $4,832 at December 31, 2023 and 2022, respectively.

    5

    Table of Contents

    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    NOTES TO FINANCIAL STATEMENTS
    December 31, 2023 and 2022
    Plan Termination

    Although it has not expressed any intention to do so, the Sponsor has the right to discontinue contributions or terminate the Plan at any time subject to Plan provisions and subject to the provisions of ERISA. In the event of termination of the Plan, each participant’s account would become fully vested and the net assets of the Plan would be allocated as prescribed by ERISA and its related regulations.

    Administrative Expenses

    Expenses of operating and administering the Plan are generally paid by the Sponsor. The payment of these expenses is not mandated by the Plan and is done so at the discretion of the Sponsor. Loan fees are paid by the borrower.

    Voting Rights

    With respect to participant account balances that are invested in shares of NBT Bancorp Inc. common stock, each participant is entitled to exercise voting rights attributable to the shares allocated to his or her account and is notified by the Trustee prior to the time that such rights are to be exercised.

    2.
    Summary of Significant Accounting Policies

    Basis of Presentation

    The accompanying financial statements have been prepared on the accrual basis of accounting in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Amounts in prior year’s financial statements are reclassified, when necessary, to conform with current year’s presentation.

    Investment Valuation and Income Recognition

    The Plan’s investments are stated at fair value. The fair value of mutual funds and the common stock of the Sponsor are based on published market quotations. The fair value of the stable value fund is based on the calculated daily net asset values of the fund.

    Fair value is the price the Plan would receive to sell an asset or pay to transfer a liability in an orderly transaction with a market participant at the measurement date. In the absence of active markets for the identical assets and liabilities, such measurements involve developing assumptions based on market observable data and, in the absence of such data, internal information that is consistent with what market participants would use in a hypothetical transaction that occurs at the measurement date.

    Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. Preference is given to observable inputs. These two types of inputs create the following fair value hierarchy and a financial instrument’s categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The three levels are defined as follows:

    Level 1 - Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities;

    Level 2 - Quoted prices for similar assets or liabilities in active markets, quoted prices in markets that are not active, or inputs that are observable, either directly or indirectly, for substantially the full term of the asset or liability; and

    Level 3 - Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (e.g., supported by little or no market activity).

    6

    Table of Contents

    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    NOTES TO FINANCIAL STATEMENTS
    December 31, 2023 and 2022
    Investment transactions are recorded on a trade date basis. If a trade is open at the end of the year, a receivable for securities sold but not yet settled or a payable for securities purchased but not yet settled is reflected in the Statement of Net Assets Available for Benefits. Dividends are recorded on the ex-dividend date. Interest income is earned from settlement date and recognized on the accrual basis. The net appreciation in the fair value of investments consists of the realized gains or losses on the sales of investments and the net unrealized appreciation of investments.

    Benefits Paid to Participants

    Benefit payments to participants are recorded when paid.

    Notes Receivable from Participants

    Notes receivable from participants are carried at the unpaid principal balance plus interest.

    Participant Withdrawals

    Participant withdrawals are recorded when paid.

    Use of Estimates

    The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of net assets available for plan benefits, disclosure of contingent assets and liabilities, and the reported amount of increases and decreases in net assets available for plan benefits. Actual results could differ from those estimates.

    Risks and Uncertainties

    The Plan invests in various types of investment securities. Investment securities are exposed to various risks, such as interest rate, market and credit risks. Due to the level of risk associated with certain investment securities, it is at least reasonably possible that changes in the values of investment securities will occur in the near term and that such changes could materially affect participant account balances and the amounts reported in the Statements of Net Assets Available for Plan Benefits.

    3.
    Fair Value Measurements

    The following table presents the financial instruments recorded at fair value on a recurring basis by the Plan as of December 31, 2023 and 2022:

    Description
     
    December 31, 2023
       
    Level 1
       
    Level 2
       
    Level 3
     
    Mutual funds
     
    $
    264,808,931
       
    $
    264,808,931
       
    $
    -
       
    $
    -
     
    Common stock of NBT Bancorp Inc.
       
    33,836,820
         
    33,836,820
         
    -
         
    -
     
    Stable value fund
       
    17,172,849
         
    17,172,849
         
    -
         
    -
     
    Cash and money mark funds
       
    1,680,284
         
    1,680,284
         
    -
         
    -
     
    Total
     
    $
    317,498,884
       
    $
    317,498,884
       
    $
    -
       
    $
    -
     

    Description
     
    December 31, 2022
       
    Level 1
       
    Level 2
       
    Level 3
     
    Mutual funds
     
    $
    213,888,374
       
    $
    213,888,374
       
    $
    -
       
    $
    -
     
    Common stock of NBT Bancorp Inc.
       
    36,531,315
         
    36,531,315
         
    -
         
    -
     
    Stable value fund
       
    19,486,063
         
    19,486,063
         
    -
         
    -
     
    Cash and money mark funds
       
    866,221
         
    866,221
         
    -
         
    -
     
    Total
     
    $
    270,771,973
       
    $
    270,771,973
       
    $
    -
       
    $
    -
     

    7

    Table of Contents

    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    NOTES TO FINANCIAL STATEMENTS
    December 31, 2023 and 2022
    The stable value fund consists of the Federated Capital Preservation Fund ("the Fund"), which primarily holds guaranteed investment contracts ("GICs") and synthetic guaranteed investment contracts ("synthetic GICs"). GICs represent deposits which guarantee a stated interest rate for the term of the contracts. The crediting rate of security-backed contracts will track current market yields on a trailing basis. The rate reset allows the contract value to converge with the fair value of the underlying portfolio over time, assuming the portfolio continues to earn the current yield for a period of time equal to the current portfolio duration. The fair value of GICs is determined based on the present value of the contract's expected cash flows, discounted by current market interest rates for like duration and like quality investments. Synthetic GICs are portfolios of securities (debt securities or open end registered investment companies) owned by the Fund with wrap contracts that guarantee a fixed or variable rate for the term of the contracts.

    4.
    Income Tax Status

    The Plan operates under an IRS pre-approved plan document, as administered by EPIC Retirement Plan Services. The latest IRS favorable opinion letter on the pre-approved plan document is dated June 30, 2020. Although the opinion letter is dated prior to the Plan’s amendment, the Plan Administrator and the Plan’s tax counsel believe that the Plan is designed and is currently being operated, in compliance with the applicable requirements of the IRC and, therefore, believe that the Plan is qualified and the related trust is tax-exempt.

    GAAP requires Plan management to evaluate tax positions taken by the Plan and recognize a tax liability (or asset) if the Plan has taken an uncertain position that more likely than not would not be sustained upon examination by the IRS. The Plan Administrator has analyzed the tax positions taken by the Plan and has concluded that as of December 31, 2023 and 2022, there are no uncertain positions taken or expected to be taken that would require recognition of a liability (or asset) or disclosure in the financial statements. The Plan is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress. The Plan Administrator believes it is no longer subject to income tax examinations for years prior to 2020.

    5.
    Party‑in‑Interest Transactions

    Parties-in-interest are defined under Department of Labor regulations as any fiduciary of the Plan, any party rendering service to the Plan, the Employer, and certain others. Any transactions with parties-in-interest either fall outside the scope of, or are exempt from, ERISA’s prohibited transaction rules.

    The Plan's record keeper, Trustee, and Custodian, as well as the Company and Plan participants, and KPMG LLP, the auditor of the Plan’s financial statements, are each a “party-in-interest" to the Plan as defined by ERISA.

    Purchases of Company stock amounted to $4,642,283 and $4,171,873 and sales amounted to $4,809,363 and $2,750,268 for the years ended December 31, 2023 and 2022, respectively. At December 31, 2023 and 2022, the number of shares of Company stock held in participants’ accounts totaled 807,459 and 841,346, respectively, with a fair value of $33,836,820 and $36,531,315, respectively.

    Dividend income earned by the Plan includes dividend income from shares of NBT Bancorp Inc. common stock and amounted to $1,036,521 and $970,733 for the years ended December 31, 2023 and 2022, respectively.

    6.
    Subsequent Events

    The Plan has evaluated subsequent events after the balance sheet date of December 31, 2023 through the filing of this Form 11-K with the Securities and Exchange Commission. There were no events or transactions discovered during this evaluation that require recognition or disclosure in the financial statements.

    8

    Table of Contents
    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    SCHEDULE H, LINE 4i - SCHEDULE OF ASSETS (HELD AT END OF YEAR)
    December 31, 2023

    (a)
     
    (b)
    Identity of issuer, borrower, lessor, or similar party
     
    (c)
    Description of investment including maturity date, rate of interest, collateral, par, or maturity value
     
    (d)
    Cost
       
    (e)
    Current value
     
       
    Cash
     
    Cash
     
    **
       
    $
    1,679,677
     
     
    *
     
    Schwab Value Advantage Money Fund
     
    Money market fund
     
    **
         
    607
     
         
    Federated Hermes Capital Preservation Fund
     
    Stable value fund
     
    **
         
    17,172,849
     
         
    T-Rowe Price Retirement 2030 Fund
     
    Mutual fund, 1,586,933 shares
     
    **
         
    37,991,187
     
         
    T-Rowe Price Growth Stock Fund
     
    Mutual fund, 376,142 shares
     
    **
         
    32,570,103
     
         
    Vanguard 500 Index Fund Admiral
     
    Mutual fund, 68,639 shares
     
    **
         
    30,200,543
     
         
    T-Rowe Price Retirement 2040 Fund
     
    Mutual fund, 1,009,257 shares
     
    **
         
    27,885,770
     
         
    T-Rowe Price Retirement 2050 Fund
     
    Mutual fund, 1,245,993 shares
     
    **
         
    21,057,289
     
         
    T-Rowe Price Retirement 2020 Fund
     
    Mutual fund, 931,517 shares
     
    **
         
    16,562,368
     
         
    Columbia Dividend Income Fund
     
    Mutual fund, 415,338 shares
     
    **
         
    12,630,428
     
         
    T-Rowe Price Mid Cap Growth
     
    Mutual fund, 124,848 shares
     
    **
         
    12,489,782
     
         
    Vanguard Mid Cap Index Fund Admiral
     
    Mutual fund, 40,889 shares
     
    **
         
    11,778,915
     
         
    American Fund New Perspective Fund
     
    Mutual fund, 202,571 shares
     
    **
         
    11,311,566
     
         
    T-Rowe Price Dividend Growth Fund
     
    Mutual fund, 140,160 shares
     
    **
         
    9,924,724
     
         
    T-Rowe Price Small-Capital Value Fund
     
    Mutual fund, 157,686 shares
     
    **
         
    8,198,081
     
         
    Dodge & Cox Income Fund
     
    Mutual fund, 648,425 shares
     
    **
         
    8,183,122
     
         
    Europacific Growth Fund
     
    Mutual fund, 104,163 shares
     
    **
         
    5,690,441
     
         
    Vanguard Balanced Index Fund Admiral
     
    Mutual fund, 123,643 shares
     
    **
         
    5,512,020
     
         
    T-Rowe Price Retirement 2060 Fund
     
    Mutual fund, 272,548 shares
     
    **
         
    4,025,532
     
         
    Vanguard Intermediate US Treasury
     
    Mutual fund, 386,829 shares
     
    **
         
    3,864,420
     
         
    T-Rowe Price Retirement Balance Fund
     
    Mutual fund, 100,780 shares
     
    **
         
    1,285,949
     
         
    T-Rowe Price Retirement 2010 Fund
     
    Mutual fund, 74,231 shares
     
    **
         
    1,080,067
     
         
    Vanguard Short Term Bond Index Fund Admiral
     
    Mutual fund, 86,725 shares
     
    **
         
    875,919
     
         
    JPMorgan Emerging Markets Equity Fund
     
    Mutual fund, 26,649 shares
     
    **
         
    790,934
     
         
    Fidelity Inflation Protected Bond Index Fund
     
    Mutual fund, 52,299 shares
     
    **
         
    472,787
     
         
    DFA US Sustainability Core 1 Portfolio
     
    Mutual fund, 11,411 shares
     
    **
         
    426,984
     
     
    *
     
    NBT Bancorp Inc.
     
    Common stock, 807,459 shares
     
    **
         
    33,836,820
     
     
    *
     
    Participant loans receivable
     
    Interest rates – 4.25% – 9.50%
     
    **
         
    3,148,813
     
                       
    $
    320,647,697
     

    * Party-in-interest.
    ** Cost omitted for these participant directed investments.
     
    See accompanying Report of Independent Registered Public Accounting Firm.

    9

    Table of Contents
    SIGNATURES

    The Plan: Pursuant to the requirements of the Securities Exchange Act of 1934, the trustee (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.
     
    Dated: June 28, 2024
    NBT BANCORP INC. 401(k) AND EMPLOYEE OWNERSHIP PLAN
       
     
    By: /s/ Cynthia A. Smaniotto
     
    Cynthia A. Smaniotto
     
    Senior Vice President, Chief Human Resources Officer and Member of the Retirement Plans Committee of the NBT Bancorp Inc. 401(k) and Employee Stock Ownership Plan

    10

    Table of Contents
    EXHIBIT INDEX
    NBT BANCORP INC.
    401(k) AND EMPLOYEE STOCK OWNERSHIP PLAN
    FOR THE YEAR ENDED DECEMBER 31, 2023

    Exhibit Index
     
    Exhibit Number
     
    Description
         
    23
     
    Consent of Independent Registered Public Accounting Firm


    11

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