﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xsi:schemaLocation="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-10-29T11:01:20-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>135565207</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>KPMG LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>ONE FINANCIAL PLAZA SUITE 2300</AddressLine1Txt>
        <CityNm>PROVIDENCE</CityNm>
        <StateAbbreviationCd>RI</StateAbbreviationCd>
        <ZIPCd>02903</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>742811920</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>HENRY DEXTER MUSSELMAN TRUST</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MUSS</BusinessNameControlTxt>
      <PhoneNum>9133910353</PhoneNum>
      <USAddress>
        <AddressLine1Txt>5901 COLLEGE BOULEVARD SUITE 100</AddressLine1Txt>
        <CityNm>OVERLAND PARK</CityNm>
        <StateAbbreviationCd>KS</StateAbbreviationCd>
        <ZIPCd>66211</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DAVID YOST</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>9133910353</PhoneNum>
      <SignatureDt>2025-10-28</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>LYLE J MOHLER</PreparerPersonNm>
      <PTIN>P01340349</PTIN>
      <PhoneNum>6892065200</PhoneNum>
      <PreparationDt>2025-10-28</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990EZ documentId="IRS990EZ" referenceDocumentId="IRS990ScheduleO">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <Organization501c3Ind referenceDocumentId="IRS990ScheduleA">X</Organization501c3Ind>
      <GrossReceiptsAmt>50597</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <InvestmentIncomeAmt>10275</InvestmentIncomeAmt>
      <SaleOfAssetsGrossAmt>40322</SaleOfAssetsGrossAmt>
      <CostOrOtherBasisExpenseSaleAmt>34131</CostOrOtherBasisExpenseSaleAmt>
      <GainOrLossFromSaleOfAssetsAmt>6191</GainOrLossFromSaleOfAssetsAmt>
      <TotalRevenueAmt>16466</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>7025</GrantsAndSimilarAmountsPaidAmt>
      <SalariesOtherCompEmplBnftAmt>0</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>5686</FeesAndOtherPymtToIndCntrctAmt>
      <OccupancyRentUtltsAndMaintAmt>0</OccupancyRentUtltsAndMaintAmt>
      <OtherExpensesTotalAmt>80</OtherExpensesTotalAmt>
      <TotalExpensesAmt>12791</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>3675</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>304620</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>-21</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>308274</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIInd>X</InfoInScheduleOPartIIInd>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>304620</BOYAmt>
        <EOYAmt>308274</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <LandAndBuildingsGrp>
        <EOYAmt>0</EOYAmt>
      </LandAndBuildingsGrp>
      <OtherAssetsTotalDetail>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalDetail>
      <Form990TotalAssetsGrp>
        <BOYAmt>304620</BOYAmt>
        <EOYAmt>308274</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>304620</BOYAmt>
        <EOYAmt>308274</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>PROVIDE PIANO SCHOLARHIP FUNDS</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>DEAN AND TWO PROFESSORS TO SELECT STUDENTS TO RECEIVE SCHOLARHIP AWARDS BASED ON NEED, MUSICAL ABILITY AND DESIRE TO STUDY MUSIC.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>7025</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>7025</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>7025</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <BusinessName>
          <BusinessNameLine1Txt>SECURITY TRUST &amp; INVESTMENTS</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>4231</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <InitiationFeesAndCapContriAmt>0</InitiationFeesAndCapContriAmt>
      <GrossReceiptsForPublicUseAmt>0</GrossReceiptsForPublicUseAmt>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>KS</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>SECURITY TRUST &amp; INVESTMENT</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>5901 COLLEGE BLVD 100</AddressLine1Txt>
          <CityNm>OVERLAND PARK</CityNm>
          <StateAbbreviationCd>KS</StateAbbreviationCd>
          <ZIPCd>662111503</ZIPCd>
        </USAddress>
        <PhoneNum>9133910353</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="IRS990ScheduleA">
      <SupportingOrganization509a3Ind>X</SupportingOrganization509a3Ind>
      <SupportingOrgType3FuncIntInd>X</SupportingOrgType3FuncIntInd>
      <SupportedOrganizationsCnt>1</SupportedOrganizationsCnt>
      <SupportedOrgInformationGrp>
        <SupportedOrganizationName>
          <BusinessNameLine1Txt>UMKC CONSERVATORY OF MUSIC AND DANCE</BusinessNameLine1Txt>
        </SupportedOrganizationName>
        <EIN>436003859</EIN>
        <OrganizationTypeCd>6</OrganizationTypeCd>
        <GoverningDocumentListedInd>true</GoverningDocumentListedInd>
        <SupportAmt>7025</SupportAmt>
        <OtherSupportAmt>0</OtherSupportAmt>
      </SupportedOrgInformationGrp>
      <SupportedOrganizationsTotalCnt>1</SupportedOrganizationsTotalCnt>
      <SupportSumAmt>7025</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <Form990SchASupportingOrgGrp>
        <ListedByNameGoverningDocInd>true</ListedByNameGoverningDocInd>
        <SuprtOrgNoIRSDeterminationInd>false</SuprtOrgNoIRSDeterminationInd>
        <SupportedOrgSectionC456Ind>false</SupportedOrgSectionC456Ind>
        <SupportedOrgNotOrganizedUSInd>false</SupportedOrgNotOrganizedUSInd>
        <OrganizationChangeSuprtOrgInd>false</OrganizationChangeSuprtOrgInd>
        <SupportNonSupportedOrgInd>false</SupportNonSupportedOrgInd>
        <PaymentSubstantialContribtrInd>false</PaymentSubstantialContribtrInd>
        <LoanDisqualifiedPersonInd>false</LoanDisqualifiedPersonInd>
        <ControlledDisqualifiedPrsnInd>false</ControlledDisqualifiedPrsnInd>
        <DisqualifiedPrsnControllIntInd>false</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>false</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>false</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>false</ContributionControllerInd>
        <ContributionFamilyInd>false</ContributionFamilyInd>
        <Contribution35ControlledInd>false</Contribution35ControlledInd>
      </Form990SchASupportingOrgGrp>
      <Form990SchAType3SprtOrgAllGrp>
        <TimelyProvidedDocumentsInd>true</TimelyProvidedDocumentsInd>
        <OfficersCloseRelationshipInd>false</OfficersCloseRelationshipInd>
        <SupportedOrgVoiceInvestmentInd>true</SupportedOrgVoiceInvestmentInd>
      </Form990SchAType3SprtOrgAllGrp>
      <Form990SchAType3FuncIntGrp>
        <GovernmentalEntityInd>X</GovernmentalEntityInd>
      </Form990SchAType3FuncIntGrp>
      <DistributableAmountGrp>
        <CYAdjNetIncomeDistributableAmt>0</CYAdjNetIncomeDistributableAmt>
        <CYPct85AdjustedNetIncomeAmt>0</CYPct85AdjustedNetIncomeAmt>
        <CYTotalMinAstDistributableAmt>0</CYTotalMinAstDistributableAmt>
        <CYGreaterAdjustedMinimumAmt>0</CYGreaterAdjustedMinimumAmt>
        <CYIncomeTaxImposedPYAmt>0</CYIncomeTaxImposedPYAmt>
        <CYDistributableAsAdjustedAmt>0</CYDistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SUPPORTED ORGANIZATION IS THE CONSERVATORY OF MUSIC AT THE UNIVERSITY OF MISSOURI AT KANSAS CITY. THE SCHOOL OF MUSIC IS THE SOLE BENEFICIARY AND IS ENABLED BY THE STATE LAW TO COMPEL AN ANNUAL ACCOUNTING. MEMBERS OF THE SUPPORTED ORGANIZATION ARE APPOINTED TO A CONSERVATORY COMMITTEE. THE COMMITTEE DIRECTS THE TRUSTEE OF THE HENRY DEXTER MUSSELMAN STUDY SCHOLARSHIP TRUST.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEE OF THE HENRY DEXTER MUSSELMAN STUDY SCHOLARSHIP TRUST HAS NO AUTHORITY OVER THE AWARDING OF THE SCHOLARSHIP FUNDS, WHICH IS THE RESPONSIBILITY OF THE COMMITTEE. THE TRUSTEE HAS ONLY LIMITED AUTHORIZATION TO REPLACE MEMBERS OF THE COMMITTEE OTHER THAN THE DEAN OF THE SCHOOL OF THE MUSIC AT UMKC.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEE SHALL PAY ANNUALLY SO MUCH OR ALL OF THE INCOME AS THE COMMITTEE REQUIRES ANNUALLY. THE COMMITTEE DETERMINES WHO IS ELIGIBLE TO RECEIVE THE SCHOLARSHIP BASED ON NEED, MUSICAL ABILITY, AND THE DESIRE TO STUDY MUSIC AT UMKC IN ACCORDANCE WITH COLLEGE GUIDELINES APPLICABLE TO STATE UNIVERSITIES WITH ESTABLISHED GRANT PROCEDURES.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>ANY INCOME NOT SO REQUESTED BY THE COMMITTEE SHALL BE REINVESTED BY THE TRUSTEE AT THE END OF EACH FISCAL YEAR, AND SHALL BECOME PART OF THE PRINCIPAL OF THE TRUST.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION E, LINE 1C</FormAndLineReferenceDesc>
        <ExplanationTxt>AS DESCRIBED IN PART IV SECTION D LINES 2 AND 3, THE SUPPORTED ORGANIZATION IS THE SCHOOL OF THE UNIVERSITY OF MISSOURI AT KANSAS CITY. THIS IS A STATE UNIVERSITY.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 10</FormAndLineReferenceDesc>
        <ExplanationTxt>UMKC CONSERVATORY ATTN: MARK MATTISON KANSAS CITY MO 64110 7025 0 0 0 0 0 0 0 0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 16</FormAndLineReferenceDesc>
        <ExplanationTxt>Foreign Taxes on Qualified Foreign 74 Foreign Taxes on Nonqualified Forei 6</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 20</FormAndLineReferenceDesc>
        <ExplanationTxt>COHEN &amp; STEERS ROC ADJUSTMENT 28</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990-EZ, Part I, Line 20</FormAndLineReferenceDesc>
        <ExplanationTxt>MUTUAL FUND TIMING DIFFERENCE 49</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>