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      <TotalLiabilityAmt>15264</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FASB'S GUIDANCE ON ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES CLARIFIES THE ACCOUNTING FOR UNCERTAINTY OF INCOME TAX POSITIONS. THIS GUIDANCE DEFINES THE THRESHOLD FOR RECOGNIZING TAX RETURN POSITIONS IN THE FINANCIAL STATEMENTS AS "MORE LIKELY THAN NOT" THAT THE POSITION IS SUSTAINABLE, BASED ON ITS TECHNICAL MERITS. THIS GUIDANCE ALSO PROVIDES GUIDANCE ON THE MEASUREMENT, CLASSIFICATION AND DISCLOSURE OF TAX RETURN POSITIONS IN THE FINANCIAL STATEMENTS. THERE WAS NO IMPACT ON THE ORGANIZATION'S FINANCIAL STATEMENTS DURING THE YEARS ENDED JUNE 30, 2024 AND 2023.</ExplanationTxt>
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    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>SIBLEY MEMORIAL HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>5255 LOUGHBORO RD NW</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20016</ZIPCd>
        </USAddress>
        <RecipientEIN>530196602</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>10546441</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>PROGRAM SUPPORT</PurposeOfGrantTxt>
      </RecipientTable>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF TRUSTEES HAS DELEGATED THE FACILITATION AND ACCOUNTING FOR ALL GRANT PROGRAMS ADMINISTERED BY STACY MARK REED FOUNDATION, INC TO THE OFFICERS AND DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>JOSHUA AMMERMAN</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>TRUSTEE</RelationshipDescriptionTxt>
        <TransactionAmt>221500</TransactionAmt>
        <TransactionDesc>SEE BELOW</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCH L, PART IV, BUSINESS TRANSACTIONS INVOLVING INTERESTED PERSONS:</FormAndLineReferenceDesc>
        <ExplanationTxt>(D) DESCRIPTION OF TRANSACTION: MR. AMMERMAN IS THE PRESIDENT AND HAS AN OWNERSHIP INTEREST IN WASHINGTON NEUROSURGICAL ASSOCIATES ("WNA"). SIBLEY MEMORIAL HOSPITAL PAID WNA FOR ADMINISTRATIVE SERVICES. DR. AMMERMAN ALSO SERVES IN VARIOUS PAID ADMINISTRATIVE POSITIONS AT SIBLEY MEMORIAL HOSPITAL, INCLUDING AS THE MEDICAL DIRECTOR FOR PERIOPERATIVE SERVICES AND AS THE CHAIRMAN OF THE DEPARTMENT OF SURGERY.</ExplanationTxt>
      </SupplementalInformationDetail>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>LUCY WEBB HAYES NATIONAL TRAINING SCHOOL FOR DEACONESSES AND MISSIONARIES D/B/A SIBLEY MEMORIAL HOSPITAL, A IRC 501(C)(3) TAX EXEMPT ORGANIZATION, IS THE SOLE CORPORATE MEMBER OF STACY MARK REED FOUNDATION, INC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>LUCY WEBB HAYES NATIONAL TRAINING SCHOOL FOR DEACONESSES AND MISSIONARIES D/B/A SIBLEY MEMORIAL HOSPITAL, THE IRC 501(C)(3) TAX EXEMPT SUPPORTED ORGANIZATION OF STACY MARK REED FOUNDATION, INC. HAS CERTAIN RESERVED POWERS, INCLUDING APPOINTMENT OF THE STACY MARK REED FOUNDATION BOARD. THE SIX STACY MARK REED FOUNDATION TRUSTEES ARE A SUBSET OF THE SIBLEY MEMORIAL HOSPITAL TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING BODY OF STACY MARK REED FOUNDATION, INC. IS EMPOWERED BY ITS BY-LAWS TO MAKE CERTAIN DECISIONS; ALL OTHER DECISIONS ARE SUBJECT TO APPROVAL OF THE PARENT ORGANIZATION SIBLEY MEMORIAL HOSPITAL. THE STACY MARK REED FOUNDATION MAY MAKE GRANTS ONLY AT THE REQUEST OF SIBLEY MEMORIAL HOSPITAL AND IS PROHIBITED FROM COMPETITION WITH SIBLEY MEMORIAL HOSPITAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE FORM 990 IS PROVIDED ELECTRONICALLY TO THE ORGANIZATION'S GOVERNING BODY BEFORE IT IS FILED. THE FORM 990 IS PROVIDED TO THE ORGANIZATION'S TRUSTEES AND APPROPRIATE OFFICERS, WHO ARE GIVEN THE OPPORTUNITY TO ASK QUESTIONS AND PROVIDE FEEDBACK BEFORE THE FORM 990 IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT-OF-INTEREST POLICY IS A PART OF THE ANNUAL DISCLOSURE STATEMENT PROCESS. ALL OFFICERS, DIRECTORS, TRUSTEES, AND KEY EMPLOYEES ARE REQUIRED TO REPORT ANY CONFLICTS OF INTEREST AND TO COMPLY WITH THE CONFLICT-OF-INTEREST POLICY. CONFLICTS OF INTEREST ARE DETERMINED AT A HEALTH SYSTEM LEVEL AND INCLUDE THE ORGANIZATION AND ALL OF ITS AFFILIATES. THE ORGANIZATION'S LEGAL DEPARTMENT IS RESPONSIBLE FOR REVIEWING ALL OF THE ACTUAL OR POTENTIAL CONFLICTS OF INTERESTS AND FOR DETERMINING APPROPRIATE ACTION TO ELIMINATE OR MANAGE THE CONFLICT OF INTEREST. IF A CONFLICT ARISES, THE AFFECTED MEMBER MUST (1) REFRAIN FROM ANY ATTEMPTS TO EITHER DIRECTLY OR INDIRECTLY INFLUENCE THE DECISION MAKING PROCESS IN WHICH THERE EXISTS A POTENTIAL FOR CONFLICTS OF INTEREST; (2) REFRAIN FROM PARTICIPATING IN ANY DISCUSSIONS LEADING TO THE APPROVAL OR DISAPPROVAL OF THE TRANSACTION CREATING THE CONFLICT, EXCEPT TO DISCLOSE MATERIAL FACTS RELATING TO THE CONFICT; AND (3) ABSTAIN FROM VOTING ON THE TRANSACTION CREATING THE CONFLICT OR TRANSMITTING ANY OTHER OPINION, INCLUDING NOT BEING PRESENT IN THE ROOM WHEN THE VOTE IS TAKEN, UNLESS THE VOTE IS BY SECRET BALLOT. FURTHERMORE, THE ORGANIZATION'S INTERMEDIATE SANCTIONS TRANSACTION REVIEW COMMITTEE REVIEWS AND DETERMINES WHETHER A PROPOSED TRANSACTION BETWEEN A TRUSTEE, OFFICER, KEY EMPLOYEE OR DISQUALIFIED PERSON AND THE ORGANIZATION WOULD CREATE AN EXCESS BENEFIT TO SUCH TRUSTEE, OFFICER, KEY EMPLOYEE OR A DISQUALIFIED PERSON, OR WHETHER SUCH PROPOSED TRANSACTION QUALIFIES FOR A REBUTABLE PRESUMPTION AGAINST EXCESS BENEFIT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LUCY WEBB HAYES NATIONAL TRAINING SCHOOL</BusinessNameLine1Txt>
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          <AddressLine1Txt>5255 LOUGHBORO RD NW</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20016</ZIPCd>
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        <PrimaryActivitiesTxt>HOSPITAL</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>JOHNS HOPKINS HEALTH SYSTEM CORPORATION</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>THE JANE BANCROFT ROBINSON FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>5255 LOUGHBORO RD NW</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20016</ZIPCd>
        </USAddress>
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        <PrimaryActivitiesTxt>FINANCIAL SUPPORT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 12C, III-FI</PublicCharityStatusTxt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SIBLEY MEMORIAL HOSPITAL FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5255 LOUGHBORO RD NW</AddressLine1Txt>
          <CityNm>WASHINGTON</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20016</ZIPCd>
        </USAddress>
        <EIN>450562642</EIN>
        <PrimaryActivitiesTxt>FINANCIAL SUPPORT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>LUCY WEBB HAYES NATIONAL TRAINING SCHOOL FOR DEACONESSES AND MISSIONARIES</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>1</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>