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    SEC Form 11-K filed by AECOM

    6/25/24 4:28:29 PM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary
    Get the next $ACM alert in real time by email
    11-K 1 tm2417482d1_11k.htm FORM 11-K

     

     

     

    UNITED STATES

    SECURITIES AND EXCHANGE COMMISSION

    Washington, D.C. 20549

     

    FORM 11-K

     

    (Mark One)

     

      x 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 number 000-52423

     

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

     

    AECOM RETIREMENT & SAVINGS PLAN

     

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

     

    AECOM

    13355 Noel Road
    Dallas, Texas 75240

     

     

      

     

     

     

    AECOM Retirement & Savings Plan

     

    Financial Statements as of

    December 31, 2023 and 2022

    and for the Year Ended December 31, 2023,

    Supplemental Schedules as of December 31, 2023 and

    Reports of Independent Registered Public Accounting Firms

     

     

     

     

    AECOM RETIREMENT & SAVINGS PLAN

     

    TABLE OF CONTENTS

     

      Page
     
    REPORTS OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRMS  1
        
    FINANCIAL STATEMENTS:   
        
    Statements of Net Assets Available for Benefits as of December 31, 2023 and 2022  3
        
    Statement of Changes in Net Assets Available for Benefits for the Year Ended December 31, 2023  4
        
    Notes to Financial Statements  5
        
    SUPPLEMENTAL SCHEDULES:   
        
    Schedule H, Line 4a, Schedule of Delinquent Participant Contributions as of December 31, 2023  16
    Schedule H, Line 4i, Schedule of Assets (Held at End of Year) as of December 31, 2023  17
        
    EXHIBIT INDEX  18
        
    SIGNATURE  19

     

     

     

     

    Report of Independent Registered Public Accounting Firm

     

    Americas Benefits Administration Committee

    AECOM Retirement & Savings Plan

    Dallas, Texas

     

    Opinion on the Financial Statements

     

    We have audited the accompanying statement of net assets available for benefits of AECOM Retirement & Savings Plan (the Plan) as of December 31, 2023, and the related statement of changes in net assets available for benefits for the year then ended, and the related notes and schedules (collectively referred to as 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 the changes in net assets available for benefits for the year then ended, in conformity with accounting principles generally accepted in the United States of America.

     

    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 audit. 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 audit 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. The Plan is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audit, we are required to obtain an understanding of internal control over financial reporting, but not for purposes of expressing an opinion on the effectiveness of the Plan’s internal control over financial reporting. Accordingly, we express no such opinion.

     

    Our audit 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 audit 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 audit provides a reasonable basis for our opinion.

     

    Supplemental Information

     

    The supplemental information in the accompanying Schedule of Assets (Held at End Of Year) and Schedule of Delinquent Participant Contributions as of December 31, 2023 have been subjected to audit procedures performed in conjunction with the audit of AECOM Retirement & Savings 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 in the accompanying schedules, 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 in the accompanying schedules is fairly stated, in all material respects, in relation to the financial statements as a whole.

     

    /s/ Eide Bailly LLP

     

    We have served as AECOM Retirement & Savings Plan’s auditor since 2024.

     

    Denver, Colorado

    June 25, 2024

     

    1

     

     

    Report of Independent Registered Public Accounting Firm

     

    To the Americas Benefits Administration Committee

    AECOM Retirement & Savings Plan

     

    Opinion on the Financial Statements

     

    We have audited the accompanying statement of net assets available for benefits of AECOM Retirement & Savings Plan (the Plan) as of December 31, 2022, and the related notes to the financial statements (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, 2022, in conformity with accounting principles generally accepted in the United States of America.

     

    Basis for Opinion

     

    These financial statements are the responsibility of the Plan’s management. Our responsibility is to express an opinion on the Plan’s 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 U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

     

    We conducted our audit 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. The Plan has determined it is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. Our audit included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Plan’s internal control over financial reporting. Accordingly, we express no such opinion.

     

    Our audit 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 audit 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 audit provides a reasonable basis for our opinion.

     

    /s/ Vasquez & Company, LLP

     

    We served as the Plan's auditor from 2015 to 2023.

     

    Glendale, California

    June 20, 2023

     

    2

     

     


    AECOM RETIREMENT & SAVINGS PLAN

     

    STATEMENTS OF NET ASSETS AVAILABLE FOR BENEFITS

    DECEMBER 31, 2023 AND 2022

     

       2023   2022 
             
       (expressed in thousands) 
    ASSETS:          
    Investments—at fair value (Notes B and C)  $1,995,407   $1,636,379 
    Plan investments in AECOM DC Retirement Plans (Note B):          
    Vanguard Master Trust (Note D)   3,096,677    2,664,162 
    SMA Master Trust (Note E)   711,978    671,643 
    Stable Value Master Trust (Note F)   371,202    431,223 
    Total investments   6,175,264    5,403,407 
               
    Receivables          
    Notes receivable from participants (Notes A and B)   23,054    22,928 
    Employer contributions   47,512    44,647 
    Other   463    610 
    Total receivables   71,029    68,185 
               
    Total assets   6,246,293    5,471,592 
               
    LIABILITIES:          
    Accrued expenses   116    86 
    Payable to participants   228    176 
    Total liabilities   344    262 
               
    Net Assets Available for Benefits  $6,245,949   $5,471,330 

     

    See notes to financial statements.

     

    3

     

     

    AECOM RETIREMENT & SAVINGS PLAN

     

    STATEMENT OF CHANGES IN NET ASSETS AVAILABLE FOR BENEFITS

    YEAR ENDED DECEMBER 31, 2023

     

       2023 
       (expressed in thousands) 
    ADDITIONS TO NET ASSETS ATTRIBUTED TO:     
    INVESTMENT INCOME:     
    Net appreciation in fair value of investments  $323,532 
    Interest and dividends   16,891 
    Investment gain from self-directed brokerage accounts   64,571 
    Plan interest in the investment income of the AECOM DC Retirement Plans:     
    Vanguard Master Trust (Note D)   514,860 
    SMA Master Trust (Note E)   99,574 
    Stable Value Master Trust (Note F)   7,618 
          
    Net investment income   1,027,046 
          
    INTEREST INCOME ON NOTES RECEIVABLE FROM PARTICIPANTS   1,287 
          
    CONTRIBUTIONS:     
    Participants   205,951 
    Employer   47,854 
    Total contributions   253,805 
          
    Total additions   1,282,138 
          
    DEDUCTIONS FROM NET ASSETS ATTRIBUTED TO:     
    Benefits paid to participants (Note A and Note G)   (506,073)
    Administrative expenses   (1,446)
          
    Total deductions   (507,519)
          
    NET INCREASE   774,619 
          
    NET ASSETS AVAILABLE FOR BENEFITS:     
    Beginning of year   5,471,330 
          
    End of year  $6,245,949 

     

    See notes to financial statements.

     

    4

     

     

    AECOM RETIREMENT & SAVINGS PLAN

     

    NOTES TO FINANCIAL STATEMENTS

     

    A. DESCRIPTION OF THE PLAN

     

    The following brief description of the AECOM Retirement & Savings Plan (the “Plan”) is provided for general information purposes only. Participants should refer to the Plan document and the Summary Plan Description for more complete information.

     

    General — The Plan is a defined contribution plan that was established to provide benefits to eligible employees of AECOM (“AECOM” or the “Company”) and various subsidiaries meeting certain employment requirements. The Plan is administered by the Americas Benefits Administration Committee as authorized by AECOM. The Plan is subject to the applicable provisions of the Employee Retirement Income Security Act of 1974 (“ERISA”), as amended.

     

    The Plan is intended to qualify as a defined contribution plan (and an eligible individual account plan, as defined in Section 407(d)(3) of ERISA) which is qualified and exempt from taxation under Sections 401(a) and 501(a) of the Internal Revenue Code and is intended to qualify as a profit-sharing plan which may invest in shares of stock of the Company which meet the requirements for “qualifying employer securities” under Section 407(d)(5) of ERISA. Assets of the Plan are held by Bank of America, N.A., the trustee and record keeper (the “Trustee”), except for certain investments. Assets in the separately managed accounts are held by Northern Trust Corporation; the Vanguard investment funds are held by The Vanguard Group; and the stable value fund is held at Fidelity Management Trust Company on behalf of the Trustee.

     

    Each participant is entitled to exercise voting rights attributable to the Company shares allocated to his or her account and is notified by the Trustee prior to the time that such rights are to be exercised. The Trustee votes for shares for which instructions have not been given by a participant in accordance with the Trust agreement.

     

    Eligibility — Employees become eligible to participate in the Plan on their date of hire, and can enroll as soon as administratively feasible thereafter (“Eligible Employees,” as defined in the Plan document). If the employee decides not to participate when they are first eligible, they may begin participating anytime, provided they are an Eligible Employee of the Company on that date.

     

    Participant Contributions — Participants may voluntarily make pre-tax, Roth 401(k) and/or after-tax contributions in any combination. Pre-tax and Roth 401(k) contributions are limited to $22,500 for the calendar year 2023 per the Internal Revenue Service (“IRS”) limits. Contributions can be made in whole percentage increments up to 75 percent of eligible compensation, as defined in the Plan document. Participants who are 50 years of age and over may voluntarily make additional contributions on a pre-tax or Roth 401(k) basis up to $7,500 for calendar year 2023 per IRS limits, which are counted as part of the Plan’s 75 percent limitation. Participants also may contribute amounts representing rollovers from individual retirement accounts and/or other qualified plans. If participants are highly-compensated employees, the maximum contribution percentage may be subject to further limitation.

     

    The Plan provides for an automatic enrollment feature for employees. A participant’s contribution under the automatic enrollment feature will be one percent pre-tax until either a participant elects to discontinue or change his or her election.

     

    Participant Accounts — Each participant’s account is credited with the participant’s contributions and rollovers, Company contributions, and allocations of Plan investment earnings or losses. Allocations are based on participant earnings or account balances, as defined by the Plan document. Certain administration fees are paid from the participant’s account. The benefit to which a participant is entitled is the benefit that may be provided from the participant’s vested account.

     

    Employer Contributions — The participants’ pre-tax and Roth 401(k) contributions made to the Plan are matched 50% by the Company up to 6% of eligible compensation. Participants’ after-tax contributions are not eligible for the Company match. The Company’s annual match is allocated 50% to the participant’s selected investment allocations and 50% to AECOM common stock. Participants can transfer their account balance in AECOM common stock to other investment options and make withdrawals, subject to certain Plan and legal restrictions. In order to receive the annual match, participants must generally be employed on the last day of the Plan year.

     

    5

     

     

    Vesting — Participants’ contributions and rollovers, and the earnings thereon, are at all times vested in such participants’ accounts. Vesting in the Company contributions and associated earnings is based on years of continuous service. A participant vests in the Company contributions and associated earnings over a three-year period (33% after one year of service and 67% after two years of service). In addition, participants who are employees become fully vested upon attaining age 65, becoming disabled or deceased while employed at the Company, or upon termination of the Plan. The portion of a participant’s account balance that is not vested upon termination of employment is forfeited at the time the participant receives a distribution or as of the end of the Plan year in which the participant incurs five consecutive One-Year Breaks in Service, as defined in the Plan document, whichever occurs first. These unvested forfeited Company contributions and associated earnings are accumulated in the forfeiture account and are available to reduce subsequent Company contributions or pay Plan expenses.

     

    During the year ended December 31, 2023, forfeitures of approximately $1.8 million were used to offset the Company match for 2023. As of December 31, 2023 and 2022, the balance in the forfeiture account was $0.4 million and $0.0 million, respectively.

     

    Investment Options — Upon enrollment in the Plan, a participant is allowed to direct the investment of his or her account into a variety of diversified investment funds offered by the Plan. If a participant is automatically enrolled in the Plan and has not selected an investment to invest his or her contributions to the Plan, those contributions are invested in a target date fund, as determined by the Company. Participants may change their selection of investments at any time.

     

    One of the investment options offered under the Plan consists of shares of AECOM common stock, which is an employee stock ownership plan as defined in Section 4975(e)(7) of the Code within the Plan. In December 2021, AECOM initiated a dividend program on its shares of common stock. As a stockholder of AECOM common stock through the AECOM common stock fund, the Plan will receive dividends. The Plan will allocate the dividends to accounts of participants, which holds shares of AECOM common stock within the AECOM common stock fund, as of the dividend record date. The dividend will be deposited in the AECOM common stock fund unless the participant elects to receive it outside of the Plan. Dividends deposited into the AECOM common stock fund account are reinvested to purchase more shares of AECOM common stock, which can be held or diversified into other investment funds in the Plan. The declaration and payment of dividends are subject to the sole discretion of the Company’s board of directors.

     

    Notes Receivable from Participants — Active participants may obtain loans from their vested account balances provided they meet the Plan’s eligibility requirements. The minimum loan amount permitted is $1,000; the maximum is the lesser of $50,000 or 50% of the participant’s vested account balance. The interest rates are no less than 1% over the prime rate as published in The Wall Street Journal, in effect on the first business day of each month in which the loan application is made. Notes receivable from participants bear interest at rates that range from 4.25% to 9.50% at December 31, 2023 and 2022. The repayment period of such loans cannot exceed five years, unless the proceeds are used to buy the participant’s principal residence, in which case longer terms, up to 20 years, are allowed. These loans are secured by a promissory note from the participant and his or her vested interest in the Plan.

     

    Distributions — Generally, distributions are made upon a participant’s election after a participant terminates employment, becomes disabled, dies, or turns age 59-1/2 (in the event of death, payment shall be made to his or her beneficiary or, if none, to his or her legal representatives in care of his or her estate). A partial or complete distribution may be made in a lump-sum in the form of cash or in-kind distribution (in case of Company shares). Distributions may also be made in monthly, quarterly, semi-annual, or annual installments, or in a direct rollover distribution. Distribution options for members of certain acquired companies, provided in previously merged plans, were grandfathered in as a protected benefit. In addition, certified hardship withdrawals for certain substantiated financial reasons and withdrawals of specific contributions may be permitted from vested amounts during employment.

     

    B. SIGNIFICANT ACCOUNTING POLICIES

     

    Basis of Accounting — 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.

     

    6

     

     

    Use of Estimates — The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires the Plan’s management to make estimates and assumptions that affect certain reported amounts and disclosures. Accordingly, actual results could differ from those estimates.

     

    Investment Valuation and Income Recognition — Investments held by the Plan are reported at fair value. Fair value is the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The cost of investments sold or distributed is determined on the basis of the average cost for each participant. Purchases and sales of securities are reflected on the trade date. Transactions pending clearance with brokers not settled at year-end are recorded as other receivables or payables on the Statements of Net Assets Available for Benefits. Dividends are recorded on the ex-dividend date. Interest income is recorded as earned. Net appreciation or depreciation in fair value of investments includes the Plan’s gains and losses on investments bought and sold as well as held during the year.

     

    Net investment income (loss) of the AECOM DC Retirement Plans Vanguard Master Trust, the AECOM DC Retirement Plans SMA Master Trust, and the AECOM DC Retirement Plans Stable Value Master Trust (collectively, the “Master Trusts”) is allocated daily to the Plan based on the ratio of the Plan’s investment in the Master Trusts to the total value of the related investments held by each master trust as of the beginning of the day.

     

    Notes Receivable from Participants — Notes receivable from participants are measured at their principal balance plus any accrued interest. Interest income is recorded on the accrual basis. Related fees are recorded as administrative expenses and are expensed when they are incurred. No allowance for credit losses has been recorded as of December 31, 2023 or 2022. If a participant ceases to make loan repayments and the Plan administrator deems the participant loan to be in default, the participant loan balance is reduced, and a benefit payment is recorded.

     

    Payment of Benefits — Benefits are recorded when paid by the Plan.

     

    Administrative Expenses — The Plan incurs monthly recordkeeping and administrative expenses. Specific participant transaction expenses are deducted from participant accounts directly. Plan expenses that cannot be directly charged to a specific participant transaction may be paid, in whole or in part, from a twelve-dollar quarterly administrative fee charged to participant accounts. Prior to April 2023, the Plan received revenue sharing payments from certain participating investment funds to pay for Plan expenses that could not be directly charged to a specific participant transaction. For the year ended December 31, 2023, the Plan incurred $1.4 million of recordkeeping and administrative expenses.

     

    Fair Value Measurements — The Plan’s investments, which are stated at fair value, are disclosed in accordance with the established framework and disclosure requirements described in the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) No. 820-10, “Fair Value Measurements and Disclosures” (“ASC 820-10”), which defines fair value, establishes a framework for measuring fair value under current accounting pronouncements that require or permit fair value measurement, and enhances disclosures about fair value measurements. ASC 820-10 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction which requires an entity to maximize the use of observable inputs when measuring fair value.

     

    The standard describes three levels of inputs that may be used to measure fair value:

     

      Level 1 — Inputs to the valuation methodology are quoted prices available in active markets for identical investments as of the reporting date.

     

      Level 2 — Inputs to the valuation methodology include:

     

    ·quoted prices for similar assets or liabilities in active markets;
    ·quoted prices for identical or similar assets or liabilities in inactive markets;
    ·inputs other than quoted prices that are observable for the asset or liability;
    ·inputs that are derived principally from or corroborated by observable market data by correlation or other means.

     

        If the asset or liability has a specified (contractual) term, the Level 2 input must be observable for substantially the full term of the asset or liability.

     

    7

     

     

      Level 3 — Inputs to the valuation methodology are unobservable inputs in situations where there is little or no market activity for the asset or liability and the reporting entity makes estimates and assumptions related to the pricing of the asset or liability including assumptions regarding risk.

     

    A financial instrument’s level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement.

     

    The following is a description of the valuation methodologies used for instruments measured at fair value, including the general classification of such instruments pursuant to the valuation hierarchy.

     

    Common Stock and Other Exchange-Traded Equity Securities Including AECOM Stock

     

    The fair value of these instruments is based on the closing price per the principal stock exchange on which they are traded and are classified within Level 1 of the valuation hierarchy. AECOM common stock is valued at the closing price reported on the New York Stock Exchange (“NYSE”) Composite Listing and is classified within Level 1 of the valuation hierarchy.

     

    Mutual Funds

     

    A mutual fund is an investment company registered under the Investment Company Act of 1940 that pools the capital of many investors and invests it in stocks, bonds, short-term money market instruments, and/or other securities. These investments are public investment vehicles valued at the closing price reported in the active market in which the investments are traded. These investments are classified within Level 1 of the valuation hierarchy.

     

    Self-Directed Brokerage Accounts

     

    Self-directed brokerage accounts are comprised of investments which are valued at the closing price reported in the active market in which the investments are traded. These investments are classified within Level 1 of the valuation hierarchy.

     

    Fixed Income Instruments

     

    Fixed income instruments are valued based on prices received from the fund custodian. The custodian uses multiple valuation techniques to determine the valuation of fixed income instruments. In instances where there is sufficient market activity, the custodian may utilize a market-based approach through which trades or quotes from similar instruments with comparable durations, yields, and credit ratings are used to determine the valuation of these instruments. In instances where there is insufficient market activity, the custodian may utilize proprietary valuation models that maximize observable inputs. The valuation models may consider market transactions in comparable securities, the various relationships between securities, and/or market characteristics to estimate the relevant cash flows, which are then discounted to calculate the fair values. Fixed income securities, which are valued based on significant observable inputs, are classified within Level 2 of the valuation hierarchy because quoted prices of identical instruments are not readily available in active markets.

     

    Collective Investment Trusts

     

    A collective investment trust is a trust for the collective investment and reinvestment of assets contributed from employee benefit plans maintained by more than one plan. These investments are valued using the net asset value (“NAV”) provided by the administrator of the collective trust. The NAV is based on the value of the underlying assets owned by the fund, minus its liabilities, and then divided by the number of shares outstanding. The NAV is used as a practical expedient to estimate fair value. The collective investment trusts are not classified within the fair value hierarchy; however, the amounts measured using NAV is disclosed to permit reconciliation of the fair value of investments to the Statements of Net Assets Available for Benefits. These funds may also include short-term investment funds, which are valued based on significant observable inputs, and are classified within Level 2 of the valuation hierarchy.

     

    Subsequent Events — The Plan monitors significant events occurring after the balance sheet date and prior to the issuance of the financial statements to determine the impacts, if any, of events on the financial statements to be issued. The Plan has evaluated subsequent events through the date which the financial statements are issued.

     

    8

     

     

    C. FAIR VALUE MEASUREMENTS

     

    Below are the Plan’s investments carried at fair value on a recurring basis by the ASC 820-10 fair value hierarchy levels described in Note B:

     

       As of December 31, 2023 
       Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
       Significant
    Observable
    Inputs
    (Level 2)
       Significant
    Unobservable
    Inputs
    (Level 3)
       Total
    Fair Value
     
                     
       (expressed in thousands) 
    Mutual funds  $579,532   $—   $—   $579,532 
    AECOM common stock   477,400    —    —    477,400 
    Self-directed brokerage accounts   382,649    —    —    382,649 
    Total investments in the fair value hierarchy  $1,439,581   $—   $—   $1,439,581 
    Investments measured at NAV                  555,826 
    Total Investments at fair value                 $1,995,407 

     

       As of December 31, 2022 
       Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
       Significant
    Observable
    Inputs
    (Level 2)
       Significant
    Unobservable
    Inputs
    (Level 3)
       Total
    Fair Value
     
                     
       (expressed in thousands) 
    Mutual funds  $877,047   $—   $—   $877,047 
    AECOM common stock   449,933    —    —    449,933 
    Self-directed brokerage accounts   309,399    —    —    309,399 
    Total investments in the fair value hierarchy  $1,636,379   $—   $—   $1,636,379 

     

    Net Asset Value per Share — The following tables summarize investments measured at NAV per share as of December 31, 2023:

     

    December 31, 2023  Fair Value   Unfunded
    Commitment
      Redemption
    Frequency
    (if Currently
    Eligible)
      Other
    Redemption
    Restrictions
      Redemption
    Notice Period
                     
                          (in thousands) 
    Fidelity Growth Company Comingled Fund  $555,826   —  Daily  None  None

     

    D. INVESTMENT IN AECOM DC RETIREMENT PLANS VANGUARD MASTER TRUST

     

    Certain investment assets of the Plan are held in a custody account at The Vanguard Group and consist of a 100% interest in the investment account of the AECOM DC Retirement Plans Vanguard Master Trust (“Vanguard Master Trust”), a master trust established by AECOM and administered by the Trustee. The Trustee maintains supporting records for the purpose of allocating the net gain or loss of the investment funds to the current sole participating plan. Investment gains or losses are recognized as earned based on the terms of the investments and the period during which the investments were held by the Vanguard Master Trust.

     

    The following table presents the net assets of the Vanguard Master Trust as of December 31:

     

       Vanguard Master Trust 
       2023   2022 
             
       (expressed in thousands) 
    Investments at fair value          
    Collective investment trusts  $2,479,928   $1,742,127 
    Mutual funds   616,749    922,035 
               
    Net assets of Vanguard Master Trust  $3,096,677   $2,664,162 

     

    9

     

     

    The following table shows the changes in net assets for the Vanguard Master Trust for the year ended December 31:

     

       2023 
        (expressed in thousands) 
    Changes in net assets:     
    Net appreciation in fair value of investments  $485,503 
    Interest and dividend income   29,357 
    Total investment income   514,860 
          
    Net purchases (redemptions)   (81,495)
    Administrative expenses   (850)
          
    Net increase in net assets   432,515 
          
    Net assets:     
    Beginning of year   2,664,162 
    End of year  $3,096,677 

     

    The following tables set forth by level, within the fair value hierarchy, the Vanguard Master Trust assets at fair value:

     

       As of December 31, 2023 
       Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
       Significant
    Observable
    Inputs
    (Level 2)
       Significant
    Unobservable
    Inputs
    (Level 3)
       Total
    Fair Value
     
                     
       (expressed in thousands) 
    Mutual funds  $616,749   $—   $—   $616,749 
    Total investments in the fair value hierarchy  $616,749   $—   $—    616,749 
                         
    Investments measured at NAV                  2,479,928 
    Total investments at fair value                 $3,096,677 

     

       As of December 31, 2022 
       Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
       Significant
    Observable
    Inputs
    (Level 2)
       Significant
    Unobservable
    Inputs
    (Level 3)
       Total
    Fair Value
     
                     
       (expressed in thousands) 
    Mutual funds  $922,035   $—   $—   $922,035 
    Total investments in the fair value hierarchy  $922,035   $—   $—    922,035 
                         
    Investments measured at NAV                  1,742,127 
    Total investments at fair value                 $2,664,162 

     

    Net Asset Value per Share — The following tables summarize investments measured at NAV per share as of December 31, 2023 and 2022, respectively:

     

              Redemption     
             Frequency  Other 
    December 31, 2023  Fair Value   Unfunded
    Commitment
      (if Currently Eligible)  Redemption
    Restrictions
      Redemption
    Notice Period
                     
       (in thousands)         
    Retirement date funds  $1,413,462   —  Daily  None  None
    Index funds   1,066,466   —  Daily  None  None

     

              Redemption      
              Frequency  Other   
    December 31, 2022  Fair Value   Unfunded
    Commitment
      (if Currently Eligible)  Redemption
    Restrictions
      Redemption
    Notice Period
                     
       (in thousands)        
    Retirement date funds  $1,254,388   —  Daily  None  None
    S&P 500 index fund   487,739   —  Daily  None  None

     

    10

     

     

    E. INVESTMENT IN AECOM DC RETIREMENT PLANS SMA MASTER TRUST

     

    Certain investment assets of the Plan are held in separately managed accounts (“SMA”) in a custody account at Northern Trust Corporation and consist of a 100% interest in the investment account of the AECOM DC Retirement Plans SMA Master Trust (“SMA Master Trust”), a master trust established by AECOM and is administered by the Trustee. The Trustee maintains supporting records for the purpose of allocating the net gain or loss of the investment funds to the current sole participating plan. Investment gains or losses are recognized as earned based on the terms of the investments and the period during which the investments were held by the SMA Master Trust.

     

    The following table presents the net assets of the SMA Master Trust as of December 31:

     

       SMA Master Trust 
       2023   2022 
             
       (expressed in thousands) 
    Investments at fair value          
    Stocks  $258,771   $240,287 
    Government bonds   30,526    29,709 
    Corporate bonds   81,559    90,060 
    Mortgage-backed securities   62,698    60,890 
    Asset-backed securities   4,619    7,206 
    Collective investment trusts   262,685    230,620 
    Cash and cash equivalents   9,411    13,243 
        710,269    672,015 
    Accounts receivable          
    Receivable for securities sold   156    59 
    Accrued income   1,705    1,696 
    Other   678    666 
        2,539    2,421 
    Accounts payable          
    Due to broker for securities purchased   (354)   (2,296)
    Operating payables   (476)   (497)
        (830)   (2,793)
               
    Net assets of SMA Master Trust  $711,978   $671,643 

     

    The following table shows the changes in net assets for the SMA Master Trust for the year ended December 31:

     

       2023 
       (expressed in thousands) 
    Changes in net assets:     
    Net appreciation in fair value of investments and income  $99,574 
          
    Net purchases (redemptions)   (59,124)
    Administrative expenses   (115)
          
    Net increase in net assets   40,335 
          
    Net assets:     
    Beginning of year   671,643 
    End of year  $711,978 

     

    11

     

     

    The following tables set forth by level, within the fair value hierarchy, the SMA Master Trust assets at fair value as of December 31, 2023 and 2022:

     

       As of December 31, 2023 
       Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
       Significant
    Observable
    Inputs
    (Level 2)
       Significant
    Unobservable
    Inputs
    (Level 3)
       Total
    Fair Value
     
                     
       (expressed in thousands) 
    Fixed income instruments:                    
    Asset-backed securities  $—   $4,619   $—   $4,619 
    Mortgage-backed securities   —    62,698    —    62,698 
    Corporate bonds   —    81,559    —    81,559 
    Government bonds   —    30,526    —    30,526 
    Stocks   258,771    —    —    258,771 
    Cash and cash equivalents   316    9,095    —    9,411 
    Total investments at fair value  $259,087   $188,497   $—    447,584 
                         
    Investments measured at NAV                  262,685 
    Total investments at fair value                 $710,269 

     

       As of December 31, 2022 
       Quoted Prices in
    Active Markets for
    Identical Assets
    (Level 1)
       Significant
    Observable
    Inputs
    (Level 2)
       Significant
    Unobservable
    Inputs
    (Level 3)
       Total
    Fair Value
     
                     
       (expressed in thousands) 
    Fixed income instruments:                    
    Asset-backed securities  $—   $7,206   $—   $7,206 
    Mortgage-backed securities   —    60,890    —    60,890 
    Corporate bonds   —    90,060    —    90,060 
    Government bonds   —    29,709    —    29,709 
    Stocks   240,287    —    —    240,287 
    Cash and cash equivalents   288    12,955    —    13,243 
    Total investments at fair value  $240,575   $200,820   $—    441,395 
                         
    Investments measured at NAV                  230,620 
    Total investments at fair value                 $672,015 

     

    Net Asset Value per Share — The following table summarizes investments measured at NAV per share as of December 31, 2023 and 2022:

     

          Redemption       
         Frequency  Other    
    December 31, 2023 

    Fair Value

       Unfunded
    Commitment
      (if Currently
    Eligible)
      Redemption
    Restrictions
      Redemption
    Notice Period
     
                      
       (in thousands)          
    Arrowstreet International Equity Fund  $255,965  —  Daily  None   None 
    Northern Trust All Country World ex-U.S. Index Fund   6,720   —  Daily  None   None 

     

          Redemption       
         Frequency  Other    
    December 31, 2022 

    Fair Value

       Unfunded
    Commitment
      (if Currently
    Eligible)
      Redemption
    Restrictions
      Redemption
    Notice Period
     
                      
       (in thousands)          
    Arrowstreet International Equity Fund  $224,268  —  Daily  None   None 
    Northern Trust All Country World ex-U.S. Index Fund   6,352   —  Daily  None   None 

     

    12

     

     

    F. INVESTMENT IN AECOM DC RETIREMENT PLANS STABLE VALUE MASTER TRUST

     

    Certain investment assets of the Plan are held in a custody account at Fidelity Management Trust Company and consist of a 100% interest in an investment account of the AECOM DC Retirement Plans Stable Value Master Trust (“Stable Value Master Trust”), a master trust established by AECOM and is administered by the Trustee. The Trustee maintains supporting records for the purpose of allocating the net gain or loss of the investment funds to the current sole participating plan. Investment gains or losses are recognized as earned based on the terms of the investments and the period during which the investments were held by the Stable Value Master Trust.

     

    The following table presents the net assets of the Stable Value Master Trust as of December 31:

     

       Stable Value Master Trust 
       2023   2022 
             
       (expressed in thousands) 
    Investments measured at NAV          
    Collective investment trust  $371,202   $431,223 
               
    Net assets of Stable Value Master Trust  $371,202   $431,223 

     

    The following table shows the changes in net assets for the Stable Value Master Trust for the year ended December 31:

     

       2023 
       (expressed in thousands) 
    Changes in net assets:     
    Interest and dividend income  $7,618 
          
    Net purchases (redemptions)   (67,484)
    Administrative expenses   (155)
          
    Net decrease in net assets   (60,021)
          
    Net assets:     
    Beginning of year   431,223 
    End of year  $371,202 

     

    Net Asset Value per Share — The following table summarizes investments measured at NAV per share as of December 31, 2023 and 2022:

     

            Redemption       
           Frequency  Other    
    December 31, 2023  

    Fair Value 

       Unfunded
    Commitment
       (if Currently
    Eligible)
      Redemption
    Restrictions
      Redemption
    Notice Period
     
                        
        (in thousands)           
    Stable value fund    $371,202   —   Daily  None   None 

     

            Redemption       
           Frequency  Other    
    December 31, 2022  

    Fair Value 

       Unfunded
    Commitment
       (if Currently
    Eligible)
      Redemption
    Restrictions
      Redemption
    Notice Period
     
                        
        (in thousands)           
    Stable value fund    $431,223   —   Daily  None   None 

     

    G. BENEFITS PAYABLE

     

    Net assets available for benefits at December 31, 2023 and 2022 include $6.8 million and $3.2 million, respectively, for participants who have withdrawn from the Plan and have requested distribution of benefits but have not yet been paid.

     

    13

     

     

    H. RELATED PARTY TRANSACTIONS

     

    Certain Plan investments are shares of AECOM common stock. At December 31, 2023 and 2022, the Plan held approximately 5.2 million and 5.3 million shares of AECOM common stock, respectively, with a fair value of approximately $477.4 million and $449.9 million at December 31, 2023 and 2022, respectively. During the year ended December 31, 2023, the Plan acquired approximately $45.4 million of AECOM common stock, of which $23.1 million was AECOM common stock issued by the Company to the Plan. Additionally, during the year ended December 31, 2023, the Plan sold approximately $61.3 million of AECOM common stock, of which $10.6 million were in-kind distributions. The Plan recorded $3.9 million in dividend income and recorded a net appreciation in fair value of approximately $39.5 million, which included gains and losses on shares bought and sold, as well as held during the year ended December 31, 2023.

     

    The Plan holds self-directed brokerage accounts and investments managed by Bank of America, N.A. and its affiliates; and these transactions qualify as party-in-interest transactions. The Plan also holds investments managed by Northern Trust Corporation, Fidelity Management Trust Company, and The Vanguard Group; these transactions qualify as party-in-interest transactions.

     

    These party-in-interest transactions qualify for prohibited transaction exemptions.

     

    I. PLAN TERMINATION

     

    Although it has not expressed any intent to do so, AECOM has the right under the Plan to discontinue its contributions at any time and to terminate the Plan subject to the provisions of ERISA. In the event of the Plan’s termination, participants will become 100% vested in their accounts.

     

    J. TAX STATUS

     

    The Plan received its latest determination letter on February 2, 2016, in which the IRS indicated that the form of the Plan complies with the applicable requirements of the Internal Revenue Code. The Plan was amended since receiving the determination letter. The Plan administrator believes that the Plan continues to be qualified and the related trust is tax-exempt.

     

    Accounting principles generally accepted in the United States of America require 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 is subject to routine audits by the IRS; however, there are currently no audits in progress for open tax periods.

     

    K. RISKS AND UNCERTAINTIES

     

    The Plan and the Master Trusts invest in various 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 value of investment securities will occur in the near term, and that such change could materially affect participants’ account balances and the amounts reported in the financial statements. The Plan’s exposure to a concentration of risk is limited by the diversification of investments across various participant-directed investment options. Additionally, the investments within each participant-directed investment option are further diversified into varied financial instruments, with the exception of AECOM common stock, which is a single security.

     

    L.RECONCILIATION OF FINANCIAL STATEMENTS TO FORM 5500

     

    The following is a reconciliation of net assets available for benefits per the financial statements at December 31, 2023 and 2022 to Form 5500:

     

       2023   2022 
       (expressed in thousands) 
    Net assets available for benefits per the financial statements  $6,245,949   $5,471,330 
               
    Amounts allocated to withdrawing participants   (6,795)   (3,235)
               
    Net assets available for benefits per Form 5500  $6,239,154   $5,468,095 

     

    14

     

     

    The following is a reconciliation of the net decrease in net assets available for benefits per the financial statement for the year ended December 31, 2023 to Form 5500:

     

       2023 
       (expressed in thousands) 
    Net increase per financial statements  $774,619 
          
    Net change in amounts allocated to withdrawing participants   (3,560)
          
    Net increase per Form 5500  $771,059 

     

    15

     

     

    AECOM RETIREMENT & SAVINGS PLAN

     

    EIN#: 61-1088522                                          PLAN#: 055

    FORM 5500, SCHEDULE H, LINE 4a

     

    SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS

    DECEMBER 31, 2023

     

    Participant Contributions
    Transferred Late to Plan
      Total that Constitute Nonexempt
    Prohibited Transactions
         
    Late Participant
    Loan Repayments
    are Included:
      Contributions
    Not corrected
       Contributions
    Corrected
    Outside VFCP
       Contributions
    Pending
    Correction in VFCP
       Total Fully Corrected
    Under VFCP and PTE
    2002-51
     
    Yes  $—   $909   $—   $— 

     

    16

     

     

    AECOM RETIREMENT & SAVINGS PLAN

     

    EIN#: 61-1088522                                          PLAN#: 055

    FORM 5500, SCHEDULE H, LINE 4i

     

    SCHEDULE OF ASSETS (HELD AT END OF YEAR)

    DECEMBER 31, 2023

     

    (a)  (b)
    Identity of Issue, 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
     
                   
    *  AECOM Common Stock  5,164,992 shares    **  $477,400,190 
                     
       Registered Investment Companies:             
       BlackRock Advisors BIF Money Fund  6,794,541 shares    **   6,794,541 
       Fidelity Balanced K6 Fund  15,308,567 shares    **   216,463,141 
       DFA Global Real Estate Securities Institutional Fund  3,976,803 shares    **   40,841,768 
       Oakmark R6 Fund  2,380,086 shares    **   315,432,793 
                   579,532,243 
       Participations in common or collective trusts:             
      

    Fidelity Growth Company Commingled Fund

                            10,753,043 shares    **   555,824,807 
                     
       Assets in Bank of America, N.A. Self-Directed Brokerage Accounts  Various investments, including registered investment companies, common stocks, ETFs and money market funds    **   382,649,295 
                     
    *  Notes receivable from participants  Interest rates ranging from 4.25% to 9.50%;
    Maturities ranging from 2024 to 2043
       –   23,053,941 
                     
       Total investments          $2,018,460,476 

     

     

    *    Party-in-interest

    **  Cost information not required for participant directed investments

     

    17

     

     

    Exhibit Index

     

    Exhibit No.   Description
         
    23.1   Consent of Eide Bailly LLP
         
    23.2   Consent of Vasquez & Company LLP

     

    18

     

     

    SIGNATURE

     

    Pursuant to the requirements of the Securities Exchange Act of 1934, the Trustees (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.

     

      AECOM RETIREMENT & SAVINGS PLAN
       
    Dated:  June 25, 2024 By: /s/ Bernie Knobbe
        Bernie Knobbe, Chair, and Delegated Member of the AECOM Americas Benefits Administration Committee

     

    19

     

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    11/21/25 8:05:23 AM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    National Bank Financial initiated coverage on Aecom Tech with a new price target

    National Bank Financial initiated coverage of Aecom Tech with a rating of Outperform and set a new price target of $151.00

    10/8/25 7:57:32 AM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    $ACM
    Leadership Updates

    Live Leadership Updates

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    AECOM appoints Jill Hudkins to lead its new Water & Environment Advisory global business line

    AECOM (NYSE:ACM), the world's trusted infrastructure consulting firm, today announced it has appointed Jill Hudkins as chief executive of its new Water & Environment Advisory global business line. The appointment of Ms. Hudkins and the formation of the new advisory business mark key milestones in the Company's growth strategy, which is built on extending AECOM's competitive advantage by drawing on its technical leadership and strong client relationships to develop complementary, high-value businesses. The Water & Environment Advisory global business line will focus on advising clients to strategically guide them through the lifecycle of their largest and most complex water and environmenta

    9/30/24 6:55:00 AM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    Comfort Systems Announces New Board Member

    Comfort Systems USA, Inc. (NYSE:FIX), a leading provider of commercial, industrial and institutional heating, ventilation, air conditioning and electrical contracting services, today announced the appointment of Gaurav Kapoor to its Board of Directors (the "Board"). Mr. Kapoor brings to the Board added depth of public company finance and accounting experience as well as extensive expertise in executive management and corporate strategy. Mr. Kapoor, age 46, is Chief Financial & Operations Officer at AECOM (NYSE:ACM), a leading global infrastructure consulting firm delivering professional services throughout the project lifecycle. In this position, Mr. Kapoor oversees the company's global

    7/19/24 4:07:00 PM ET
    $ACM
    $FIX
    Military/Government/Technical
    Consumer Discretionary
    Engineering & Construction
    Industrials

    AECOM announces appointment of Derek Kerr to its Board of Directors

    AECOM (NYSE:ACM), the world's trusted infrastructure consulting firm, today announced the appointment of Derek Kerr to its Board of Directors. Mr. Kerr brings to the Board extensive executive, finance and accounting expertise having previously served several leadership roles at the American Airlines Group, Inc., most recently as Vice Chair and President of American Eagle. In addition, Mr. Kerr previously served as Executive Vice President and Chief Financial Officer of American Airlines. Mr. Kerr's appointment is effective November 16, 2023, at which time he will also be appointed to the Audit Committee. "I am pleased to welcome Derek Kerr to our Board of Directors," said Douglas Stotla

    11/13/23 6:55:00 AM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    $ACM
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

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    SEC Form SC 13G/A filed by AECOM (Amendment)

    SC 13G/A - AECOM (0000868857) (Subject)

    2/13/24 4:55:57 PM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    SEC Form SC 13G/A filed by AECOM (Amendment)

    SC 13G/A - AECOM (0000868857) (Subject)

    2/12/24 4:01:10 PM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    SEC Form SC 13G/A filed by AECOM (Amendment)

    SC 13G/A - AECOM (0000868857) (Subject)

    2/9/23 4:01:47 PM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    $ACM
    Financials

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    AECOM named by Fortune magazine as one of the World's Most Admired Companies for the twelfth consecutive year

    AECOM (NYSE:ACM), the trusted global infrastructure leader, announced today that it has been recognized for the twelfth consecutive year on Fortune magazine's list of the World's Most Admired Companies. "We are honored to have been recognized as one of Fortune's Most Admired Companies once again," said Troy Rudd, AECOM's chairman and chief executive officer. "This recognition is a testament to the unmatched technical expertise, innovation and value that we bring to every client project – all guided by the strength of our Think and Act Globally strategy. Our placement on the list would not have been possible without the industry-leading talent and dedication of our teams across the world."

    1/21/26 12:00:00 PM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    AECOM announces planned dates for first quarter fiscal 2026 earnings results and conference call

    AECOM (NYSE:ACM), the trusted global infrastructure leader, today announced that it intends to issue its first quarter fiscal 2026 earnings results after the U.S. market closes on February 9, 2026. The Company will also host a conference call and webcast with analysts and investors on February 10, 2026, at 8 a.m. Eastern Time / 7 a.m. Central Time, during which management will present the Company's financial results and outlook, strategic accomplishments, and market and business trends. The webcast and a replay will be available online at https://investors.aecom.com. The press release and presentation slides will be available on the Company's website the day of the call and will contain a

    1/20/26 6:55:00 AM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary

    AECOM selected as a preferred bidder for Scottish Water's multi-billion-dollar Enterprise Alliance

    As Primary Designer, AECOM will support the delivery of the major new investment program to transform Scotland's water and wastewater infrastructure AECOM (NYSE:ACM), the trusted global infrastructure leader, today announced it has been selected as a preferred bidder for Scottish Water's new Enterprise Alliance, an up to 13-year investment program to enhance Scotland's water and wastewater infrastructure. A multi-billion-dollar project, the Enterprise is the highest value venture ever put into place by Scottish Water, which is the publicly-owned utility responsible for supplying fresh drinking water and managing wastewater services across Scotland. "Being selected as a preferred bidder

    12/23/25 6:55:00 AM ET
    $ACM
    Military/Government/Technical
    Consumer Discretionary