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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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        <PersonNm>DAVID ARONS</PersonNm>
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        <PersonNm>MARISA PETRILLO</PersonNm>
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        <PersonNm>KATIE GERMAIN</PersonNm>
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        <OfficerInd>X</OfficerInd>
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        <PersonNm>RICHARD LESCARBEAU</PersonNm>
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        <PersonNm>DOROTHY WHALEN</PersonNm>
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        <PersonNm>ASHLEY BRENNAN</PersonNm>
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        <PersonNm>KIRK TANNER</PersonNm>
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        <PersonNm>JOHN HIGGINS</PersonNm>
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        <PersonNm>ELIZABETH RYU</PersonNm>
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        <PersonNm>GARY HEIMBERG</PersonNm>
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        <PersonNm>ANNE STAMESHKIN</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>NOEL TWIGG</PersonNm>
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            <BusinessNameLine1Txt>ALSTON &amp; BIRD</BusinessNameLine1Txt>
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      <ContractorCompensationGrp>
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          <USAddress>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>100000</ProgramServicesAmt>
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        <ProgramServicesAmt>200000</ProgramServicesAmt>
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        <FundraisingAmt>281655</FundraisingAmt>
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        <FundraisingAmt>77657</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ProgramServicesAmt>80858</ProgramServicesAmt>
        <FundraisingAmt>5650</FundraisingAmt>
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      <OtherExpensesGrp>
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        <ManagementAndGeneralAmt>924338</ManagementAndGeneralAmt>
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        <EOYAmt>343000</EOYAmt>
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        <EOYAmt>143588</EOYAmt>
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        <EOYAmt>17010470</EOYAmt>
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        <EOYAmt>912822</EOYAmt>
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        <EOYAmt>17010470</EOYAmt>
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      <PublicSupportCY170Pct>0.95400</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.98030</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>RECOVERY OF GRANT EXPENSE - 2023 AMOUNT: $ 153,810. 2024 AMOUNT: $ 65,000. OTHER INCOME - 2023 AMOUNT: $ 4,008. 2024 AMOUNT: $ 4,141.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039600001">
      <TotalDirectLobbyingGrp>
        <FilingOrganizationsTotalAmt>599482</FilingOrganizationsTotalAmt>
      </TotalDirectLobbyingGrp>
      <TotalLobbyingExpendGrp>
        <FilingOrganizationsTotalAmt>599482</FilingOrganizationsTotalAmt>
      </TotalLobbyingExpendGrp>
      <OtherExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>12001087</FilingOrganizationsTotalAmt>
      </OtherExemptPurposeExpendGrp>
      <TotalExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>12600569</FilingOrganizationsTotalAmt>
      </TotalExemptPurposeExpendGrp>
      <LobbyingNontaxableAmountGrp>
        <FilingOrganizationsTotalAmt>780028</FilingOrganizationsTotalAmt>
      </LobbyingNontaxableAmountGrp>
      <GrassrootsNontaxableGrp>
        <FilingOrganizationsTotalAmt>195007</FilingOrganizationsTotalAmt>
      </GrassrootsNontaxableGrp>
      <TotLbbyngGrassrootMnsNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyngGrassrootMnsNonTxGrp>
      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyExpendMnsLbbyngNonTxGrp>
      <AvgLobbyingNontaxableAmountGrp>
        <CurrentYearMinus3Amt>597421</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>670021</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>762517</CurrentYearMinus1Amt>
        <CurrentYearAmt>780028</CurrentYearAmt>
        <TotalAmt>2809987</TotalAmt>
      </AvgLobbyingNontaxableAmountGrp>
      <LobbyingCeilingAmt>4214981</LobbyingCeilingAmt>
      <AvgTotalLobbyingExpendGrp>
        <CurrentYearMinus3Amt>243345</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>276959</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>497623</CurrentYearMinus1Amt>
        <CurrentYearAmt>599482</CurrentYearAmt>
        <TotalAmt>1617409</TotalAmt>
      </AvgTotalLobbyingExpendGrp>
      <AvgGrassrootsNontaxableGrp>
        <CurrentYearMinus3Amt>149355</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>167505</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>190629</CurrentYearMinus1Amt>
        <CurrentYearAmt>195007</CurrentYearAmt>
        <TotalAmt>702496</TotalAmt>
      </AvgGrassrootsNontaxableGrp>
      <GrassrootsCeilingAmt>1053744</GrassrootsCeilingAmt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II-A, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>NATIONAL BRAIN TUMOR SOCIETY ENGAGES IN A MODEST AMOUNT OF IRS DEFINITION DIRECT LOBBYING TO INFLUENCE SPECIFIC FEDERAL LEGISLATION ON AN ANNUAL BASIS. THE FEDERAL LEGISLATION SPANS THE HEALTH CARE AND LIFE SCIENCES RESEARCH POLICY ISSUES THAT MAKE UP NBTS' POLICY AGENDA. THE LOBBYING WORK IS CARRIED OUT BY NBTS PROFESSIONAL STAFF AND CONSULTANTS. NBTS DOES NOT ENGAGE IN IRS DEFINITION INDIRECT LOBBYING.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>565448</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>47098</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>612546</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>565448</BeginningYearBalanceAmt>
        <EndYearBalanceAmt>565448</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>565448</BeginningYearBalanceAmt>
        <EndYearBalanceAmt>565448</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>565448</BeginningYearBalanceAmt>
        <EndYearBalanceAmt>565448</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>565448</BeginningYearBalanceAmt>
        <EndYearBalanceAmt>565448</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.00000</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.89240</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.10760</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>39894</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>23792</DepreciationAmt>
        <BookValueAmt>16102</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>179644</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>139723</DepreciationAmt>
        <BookValueAmt>39921</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>29337</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>10804</DepreciationAmt>
        <BookValueAmt>18533</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>74556</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>OPERATING LEASE LIABILITIES</Desc>
        <Amt>153388</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>153388</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>13386247</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>393577</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>-184227</OtherRevenueAmt>
      <RevenueNotReportedAmt>209350</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>13176897</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>25140</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>25140</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>13202037</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>12575429</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>12575429</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>25140</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>25140</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>12600569</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS ENDOWMENT NET ASSETS IN WHICH THE PRINCIPAL AND ANY CURRENT CONTRIBUTIONS ARE PERMANENTLY DONOR RESTRICTED. THE BALANCE AS OF DECEMBER 31, 2024 WAS INVESTED IN BOND FUNDS AND MONEY MARKETS. INCOME AND APPRECIATION EARNED ON THE PERMANENTLY RESTRICTED NET ASSETS ARE RESTRICTED TO SUPPORT THE COSTS OF PRODUCING AND DISTRIBUTING THE ESSENTIAL GUIDE TO BRAIN TUMORS AND TO FUND RESEARCH PROJECTS. THE INFORMATION IS UPDATED ON AN ANNUAL BASIS AND MADE AVAILABLE THROUGH THE ORGANIZATION'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION ACCOUNTS FOR UNCERTAINTY IN INCOME TAXES IN ACCORDANCE WITH ASC TOPIC, INCOME TAXES. THIS STANDARD CLARIFIES THE ACCOUNTING FOR UNCERTAINTY IN TAX POSITIONS AND PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE CONSOLIDATED FINANCIAL STATEMENTS REGARDING A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN. THE ORGANIZATION HAS DETERMINED THAT THERE ARE NO UNCERTAIN TAX POSITIONS WHICH QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE CONSOLIDATED FINANCIAL STATEMENTS AT DECEMBER 31, 2024. THE ORGANIZATION'S INFORMATION RETURNS ARE SUBJECT TO EXAMINATION BY FEDERAL AND STATE JURISDICTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>IMPAIRMENT LOSS ON CONVERTIBLE NOTES AND INTEREST RECEIVABLE -15,000. IMPAIRMENT LOSS ON NON-MARKETABLE INVESTMENTS IN LIFE SCIENCE COMPANIES -155,633. ERTC WRITE-OFF -13,594.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>150000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>50000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>200000</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>200000</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>150000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>50000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <TotalOtherOrgCnt>2</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>YALE UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>2 WHITNEY AVE 6TH FLOOR</AddressLine1Txt>
          <CityNm>NEW HAVEN</CityNm>
          <StateAbbreviationCd>CT</StateAbbreviationCd>
          <ZIPCd>06510</ZIPCd>
        </USAddress>
        <RecipientEIN>060646973</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
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          <BusinessNameLine1Txt>THE BRIGHAM AND WOMENS HOSPITAL INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
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          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02115</ZIPCd>
        </USAddress>
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        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MAYO CLINIC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>200 FIRST ST SW</AddressLine1Txt>
          <CityNm>ROCHESTER</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55905</ZIPCd>
        </USAddress>
        <RecipientEIN>416011702</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
        <CashGrantAmt>25000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MASSACHUSETTS GENERAL HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>55 FRUIT STREET</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02114</ZIPCd>
        </USAddress>
        <RecipientEIN>041564655</RecipientEIN>
        <IRCSectionDesc>501 (C) 3</IRCSectionDesc>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>BAPTIST HEALTH SOUTH FLORIDA FOUNDATION INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>6855 RED ROAD SUITE 600</AddressLine1Txt>
          <CityNm>CORAL GABLES</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>33143</ZIPCd>
        </USAddress>
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      <RecipientTable>
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      <RecipientTable>
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      <RecipientTable>
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          <CityNm>WILMINGTON</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
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      <RecipientTable>
        <RecipientBusinessName>
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          <CityNm>RALEIGH</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27612</ZIPCd>
        </USAddress>
        <RecipientEIN>680617198</RecipientEIN>
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        <PurposeOfGrantTxt>RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
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      <GrantsOtherAsstToIndivInUSGrp>
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      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NATIONAL BRAIN TUMOR SOCIETY (NBTS) REQUIRES, AS A CONDITION OF THE GRANT, SCIENTIFIC REVIEW, THE PRODUCTION OF SCIENTIFIC AND FINANCIAL REPORTS ON AN ANNUAL BASIS, AND REGULAR TELECONFERENCES WITH RESEARCHERS TO DETERMINE USE OF GRANT FUNDS AND PERFORMANCE.</ExplanationTxt>
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      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
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      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
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      <InitialContractExceptionInd>0</InitialContractExceptionInd>
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        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>9266</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>34350</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>344060</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
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        <PersonNm>ASHLEY BRENNAN</PersonNm>
        <TitleTxt>VICE PRESIDENT, DEVELOPMENT</TitleTxt>
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        <Desc>TICKETS</Desc>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>A BOARD MEMBER IS THE CEO OF AN ORGANIZATION WHERE ANOTHER BOARD MEMBER IS EMPLOYED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE FEDERAL FORM 990 IS EMAILED TO THE FULL BOARD OF DIRECTORS FOR REVIEW AND COMMENT PRIOR TO FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD REQUIRES THAT ALL MEMBERS CONDUCT AN ANNUAL REVIEW FOR ANY CONFLICTS OF INTEREST AND SHOULD ANY ARISE, THAT THEY BE DISCLOSED TO THE BOARD AND MANAGEMENT.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE OF THE BOARD DETERMINES THE CEO'S SALARY. COMPARABILITY FIGURES REPRESENTING COMPARABLE POSITIONS, SCOPE OF RESPONSIBILITY, SIZE OF ORGANIZATION AND BUDGET AND SIMILAR INDUSTRY WERE PROVIDED TO THE EXECUTIVE COMMITTEE. IN REGARD TO OTHER OFFICERS AND KEY EMPLOYEES, THE CHIEF OPERATING OFFICER REVIEWS COMPARABLE DATA FOR JOB RESPONSIBILITIES AND REVIEWS WITH THE CEO TO VERIFY COMPENSATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCIAL STATEMENTS ARE AVAILABLE ON THE ORGANIZATION'S WEBSITE. ALL OTHER DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>IMPAIRMENT LOSS ON CONVERTIBLE NOTES AND INTEREST RECEIVABLE -15,000. IMPAIRMENT LOSS ON NON-MARKETABLE INVESTMENTS IN LIFE SCIENCE COMPANIES -155,633. ERTC WRITE-OFF -13,594.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCE COMMITTEE IS RESPONSIBLE FOR OVERSIGHT AND SELECTION OF THE INDEPENDENT AUDITOR</ExplanationTxt>
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          <ZIPCd>02458</ZIPCd>
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        <PrimaryActivitiesTxt>PEDIATRIC BRAIN TUMOR RESEARCH</PrimaryActivitiesTxt>
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