﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2025v4.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-04-22T09:46:38-04:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>994124805</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>KELLY PARTNERSFRS ACCOUNTANTS</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>1301 66TH ST N</AddressLine1Txt>
        <CityNm>SAINT PETERSBURG</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>337105501</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>237428305</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>INTERNATIONAL SOCIETY ON THROMBOSIS</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>AND HAEMOSTASIS INC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <PhoneNum>9199293807</PhoneNum>
      <USAddress>
        <AddressLine1Txt>301 S MCDOWELL STREET STE 125 1996</AddressLine1Txt>
        <CityNm>CHARLOTTE</CityNm>
        <StateAbbreviationCd>NC</StateAbbreviationCd>
        <ZIPCd>28202</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JEFFREY CAIOLA</PersonNm>
      <PersonTitleTxt>DIR FINANCE &amp; OPS</PersonTitleTxt>
      <PhoneNum>9199293807</PhoneNum>
      <SignatureDt>2026-04-20</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>PAUL E HOROWITZ</PreparerPersonNm>
      <PTIN>P01474269</PTIN>
      <PhoneNum>7273471120</PhoneNum>
      <PreparationDt>2026-04-20</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="8">
    <IRS990 documentId="RetDoc2" referenceDocumentId="RetDoc6">
      <DoingBusinessAsName>
        <BusinessNameLine1Txt>ISTH</BusinessNameLine1Txt>
      </DoingBusinessAsName>
      <PrincipalOfficerNm>THOMAS REISER</PrincipalOfficerNm>
      <GrossReceiptsAmt>27294161</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.ISTH.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1974</FormationYr>
      <LegalDomicileStateCd>NC</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO FURTHER RESEARCH &amp; EDUCATION ON THE MAJOR DISEASE OF THROMBOSIS AND DISORDERS OF HAEMOSTASIS.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>21</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>21</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>36</TotalEmployeeCnt>
      <TotalVolunteersCnt>175</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <PYContributionsGrantsAmt>2298293</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>2360597</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>7461959</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>9084122</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>1438508</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>1359922</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>-21621</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>-690</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>11177139</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>12803951</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>398446</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>407330</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>4880261</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>4549055</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>313937</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>7942430</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>6991056</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>13221137</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>11947441</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-2043998</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>856510</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>17709554</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>18797413</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>3769527</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>3528776</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>13940027</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>15268637</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>THE INTERNATIONAL SOCIETY ON THROMBOSIS AND HAEMOSTASIS (ISTH) ADVANCES THE UNDERSTANDING, PREVENTION, DIAGNOSIS AND TREATMENT OF CONDITIONS RELATED TO THROMBOSIS AND HEMOSTASIS. THE SOCIETY IS DEDICATED TO TRANSFORMATIVE SCIENTIFIC DISCOVERIES AND CLINICAL PRACTICES, THE DEVELOPMENT OF YOUNG PROFESSIONALS AND THE EDUCATION OF PHYSICIANS, SCIENTISTS AND ALLIED HEALTH PROFESSIONALS WHEREVER THEY MAY LIVE.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>5487426</ExpenseAmt>
      <RevenueAmt>6170445</RevenueAmt>
      <Desc>THE INTERNATIONAL SOCIETY ON THROMBOSIS AND HAEMOSTSIS XXXIII CONGRESS AND 71ST MEETING OF THE SCIENTIFIC AND STANDARDIZATION COMMITTEE TOOK PLACE IN-PERSON (WASHINGTON DC) AND VIRTUALLY JUNE 21-25, 2025. THE SCIENTIFIC PROGRAM INCLUDED EXPERT PRESENTATIONS, EDUCATIONAL, POSTER, TECHNICAL, AND SSC SUBCOMMITTEE SESSIONS AS WELL AS SUBMISSION AND PRESENTATION OF ABSTRACTS. ISTH CONGRESSES ARE OPEN TO THE GLOBAL SCIENTIFIC COMMUNITY IN THE FIELD OF THROMBOSIS AND HAEMOSTASIS. MANY OF THE PROCEEDINGS OF THE CONGRESS ARE AVAILABLE VIA OPEN ACCESS THROUGH THE SOCIETY'S JOURNAL AND WEBSITE.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>1976294</ExpenseAmt>
        <GrantAmt>285658</GrantAmt>
        <Desc>EDUCATION SYMPOSIA LED BY EXPERT MEMBERS IN INDUSTRIALIZED AND DEVELOPING COUNTRIES, FELLOWSHIPS AND TRAINING COURSES FOR EARLY CAREER PROFESSIONALS FROM BOTH INDUSTRIALIZED AND DEVELOPING COUNTRIES, WEBINARS, WEBCASTS AND ON-LINE COURSES DEVELOPED BY INTERNATIONALLY RECOGNIZED EXPERTS, SUPPORT FOR ABSTRACT PRESENTERS FROM DEVELOPING COUNTRIES TO ATTEND ANNUAL MEETINGS.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>545515</ExpenseAmt>
        <GrantAmt>3000</GrantAmt>
        <Desc>ADVOCACY: WORLD THROMBOSIS DAY (WTD) IS A GLOBAL INITIATIVE INCREASING AWARENESS OF BLOOD CLOTS-THEIR CAUSES, RISK FACTORS, SYMPTOMS, PREVENTION, AND TREATMENT-TO REDUCE THROMBOSIS-RELATED DEATH AND DISABILITY. AS A WHO NON-STATE ACTOR, ISTH INTEGRATES THE LATEST COAGULATION RESEARCH INTO PUBLIC HEALTH DECISION-MAKING TO IMPROVE PATIENT OUTCOMES. AS A FOUNDING MEMBER OF ETHA, WE UNITE LEADING ORGANIZATIONS TO ADVANCE THROMBOSIS AND HEMOSTASIS POLICY, EDUCATION, AND RESEARCH ACROSS EUROPE.</Desc>
      </ProgSrvcAccomActy3Grp>
      <ProgSrvcAccomActyOtherGrp>
        <ExpenseAmt>1549567</ExpenseAmt>
        <GrantAmt>118672</GrantAmt>
        <RevenueAmt>2913677</RevenueAmt>
        <Desc>PUBLICATION (HARDCOPY AND ONLINE) OF THE JOURNAL OF THROMBOSIS AND HAEMOSTASIS(JTH), WHICH SERVES AS AN INTERNATIONAL FORUM FOR ORIGINAL RESEARCH ARTICLES, REPORTS AND RECOMMENDATIONS AND REVIEWS RELATED TO THE IMPORTANT MEDICAL PROBLEMS OF THROMBOSIS, BLEEDING DISORDERS, AND VASCULAR BIOLOGY. TWELVE ISSUES ARE PUBLISHED ANNUALLY. PUBLICATION OF A MONTHLY E- NEWSLETTER PROVIDING INFORMATION ON ISTH EVENTS, EDUCATIONAL ACTIVITIES AND PROGRAMS, NEWS AND INTERVIEWS. COMPLEMENTING THE SOCIETY'S FLAGSHIP JOURNAL, JOURNAL OF THROMBOSIS AND HAEMOSTASIS (JTH), IS THE OPEN ACCESS ONLINE JOURNAL, RESEARCH AND PRACTICE IN THROMBOSIS AND HAEMOSTASIS (RPTH). RPTH IS A PLATFORM FOR SCIENCE AND DISCOURSE AMONG RESEARCHERS, CLINICIANS, NURSES, ALLIED HEALTH PROFESSIONALS, AND PATIENTS. PUBLISHED IN PARTNERSHIP WITH ELSEVIER, RPTH IS INTERESTED IN BASIC, CLINICAL, TRANSLATIONAL AND POPULATION OR PUBLIC HEALTH RESEARCH. MEMBER SERVICES PROVIDES BENEFITS TAILORED TO CLINICIANS, RESEARCHERS, NURSES, AND ALLIED HEALTH PROFESSIONALS AT ALL STAGES OF THEIR CAREERS IN BLEEDING AND CLOTTING DISORDERS THROUGH EDUCATION, PROGRAMS AND ACTIVITIES, AND PROFESSIONAL NETWORKING. THE SCIENTIFIC AND STANDARDIZATION COMMITTEE (SSC) IS A PERMANENT COMMITTEE OF THE ISTH AND IS ITS SCIENTIFIC WORKING ARM. CONDUCTED THROUGH SUBCOMMITTEES AND WORKING GROUPS, ITS ACTIVITIES PROMOTE COOPERATION AMONG LEADING INTERNATIONAL SCIENTISTS AND DIRECT THEIR ENERGIES TO PROJECTS THAT GENERATE RELIABLE AND STANDARDIZED CLINICAL AND BASIC SCIENCE TOOLS.</Desc>
      </ProgSrvcAccomActyOtherGrp>
      <TotalOtherProgSrvcExpenseAmt>1549567</TotalOtherProgSrvcExpenseAmt>
      <TotalOtherProgSrvcGrantAmt>118672</TotalOtherProgSrvcGrantAmt>
      <TotalOtherProgSrvcRevenueAmt>2913677</TotalOtherProgSrvcRevenueAmt>
      <TotalProgramServiceExpensesAmt>9558802</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc7">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1">true</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc3">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc3">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc3">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc3">false</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd referenceDocumentId="RetDoc3">true</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc3">true</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc3">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc3">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc3">false</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc3">false</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc3">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc3">false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc3">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="RetDoc8">true</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="RetDoc8">true</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="RetDoc8">true</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc4">true</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc4">false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc5">true</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>false</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>17</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>36</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>21</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>21</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>true</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>true</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>true</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>true</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>true</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>true</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>true</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>true</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>true</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>true</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>NC</StatesWhereCopyOfReturnIsFldCd>
      <OtherWebsiteInd>X</OtherWebsiteInd>
      <UponRequestInd>X</UponRequestInd>
      <OtherInd>X</OtherInd>
      <BooksInCareOfDetail>
        <PersonNm>JEFF CAIOLA DIR OF FIN OPER</PersonNm>
        <PhoneNum>9199293807</PhoneNum>
        <USAddress>
          <AddressLine1Txt>301 S MCDOWELL ST</AddressLine1Txt>
          <AddressLine2Txt>STE 125 1996</AddressLine2Txt>
          <CityNm>CHARLOTTE</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>28204</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>PANTEP ANGCHAISUKSIRI</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WOLFRAM RUF</PersonNm>
        <TitleTxt>PRESIDENT-EL</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SAM SCHULMAN</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFFREY WEITZ</PersonNm>
        <TitleTxt>SECRETARY GE</TitleTxt>
        <AverageHoursPerWeekRt>2.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT ARIENS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANA BOBAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SABINE EICHINGER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>OMOLADE AWODU</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEAN CONNORS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHINYA GOTO</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DONNA DIMICHELE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARY CUSHMAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WOLFGANG MIESBACH</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SASKIA MIDDELDORP</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JAMES DOUKETIS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NICOLA MUTCH</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHRISTOPHER WARD</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FIONNUALA NI ANILE</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>3000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FERNANDA ORSI</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THOMAS REISER</PersonNm>
        <TitleTxt>EXECUTIVE DI</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>385551</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>54484</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LISA ASTORGA</PersonNm>
        <TitleTxt>DIR MEETINGS</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>192528</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>20849</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LOUISE BANNON</PersonNm>
        <TitleTxt>DIR MEMBRSHI</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>198498</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>31220</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JEFFREY CAIOLA</PersonNm>
        <TitleTxt>DIR FINANCE</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>185289</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>35678</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT CLARK</PersonNm>
        <TitleTxt>DIR PROGRAMS</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>171593</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42627</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERICKA ROBSINSON</PersonNm>
        <TitleTxt>DIR PEOPLE C</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>165205</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>33626</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1301664</TotalReportableCompFromOrgAmt>
      <TotalOtherCompensationAmt>218484</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>6</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>true</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HIGHER LOGIC LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1919 N LYNN ST STE 500</AddressLine1Txt>
            <CityNm>ARLINGTON</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>222091744</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ONLINE PLATFORM</ServicesDesc>
        <CompensationAmt>152113</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>701783</MembershipDuesAmt>
      <AllOtherContributionsAmt>1658814</AllOtherContributionsAmt>
      <TotalContributionsAmt>2360597</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>EXHIBITION INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>3141250</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3141250</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>REGISTRATION FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>3029195</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3029195</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1692026</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1692026</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PUBLICATION INCOME</Desc>
        <BusinessCd>511120</BusinessCd>
        <TotalRevenueColumnAmt>1221651</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1221651</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>9084122</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>440264</TotalRevenueColumnAmt>
        <ExclusionAmt>440264</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>15409868</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>14490210</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>919658</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>919658</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>919658</RelatedOrExemptFuncIncomeAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>GAIN(LOSS) FOREIGN CURRENCY</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>-690</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>-690</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>-690</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>12803951</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>10003090</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>440264</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>153279</TotalAmt>
        <ProgramServicesAmt>153279</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>254051</TotalAmt>
        <ProgramServicesAmt>254051</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>385551</TotalAmt>
        <ProgramServicesAmt>221938</ProgramServicesAmt>
        <ManagementAndGeneralAmt>140846</ManagementAndGeneralAmt>
        <FundraisingAmt>22767</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>3025408</TotalAmt>
        <ProgramServicesAmt>1741541</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1105216</ManagementAndGeneralAmt>
        <FundraisingAmt>178651</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>322037</TotalAmt>
        <ProgramServicesAmt>185377</ProgramServicesAmt>
        <ManagementAndGeneralAmt>117644</ManagementAndGeneralAmt>
        <FundraisingAmt>19016</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>573737</TotalAmt>
        <ProgramServicesAmt>330265</ProgramServicesAmt>
        <ManagementAndGeneralAmt>209592</ManagementAndGeneralAmt>
        <FundraisingAmt>33880</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>242322</TotalAmt>
        <ProgramServicesAmt>139490</ProgramServicesAmt>
        <ManagementAndGeneralAmt>88523</ManagementAndGeneralAmt>
        <FundraisingAmt>14309</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>102090</TotalAmt>
        <ProgramServicesAmt>83929</ProgramServicesAmt>
        <ManagementAndGeneralAmt>16312</ManagementAndGeneralAmt>
        <FundraisingAmt>1849</FundraisingAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>14000</TotalAmt>
        <ProgramServicesAmt>8053</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5126</ManagementAndGeneralAmt>
        <FundraisingAmt>821</FundraisingAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>69392</TotalAmt>
        <ManagementAndGeneralAmt>69392</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1435316</TotalAmt>
        <ProgramServicesAmt>1393086</ProgramServicesAmt>
        <ManagementAndGeneralAmt>36401</ManagementAndGeneralAmt>
        <FundraisingAmt>5829</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>80442</TotalAmt>
        <ProgramServicesAmt>56013</ProgramServicesAmt>
        <ManagementAndGeneralAmt>21079</ManagementAndGeneralAmt>
        <FundraisingAmt>3350</FundraisingAmt>
      </OfficeExpensesGrp>
      <TravelGrp>
        <TotalAmt>199630</TotalAmt>
        <ProgramServicesAmt>71563</ProgramServicesAmt>
        <ManagementAndGeneralAmt>121826</ManagementAndGeneralAmt>
        <FundraisingAmt>6241</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>4243368</TotalAmt>
        <ProgramServicesAmt>4243368</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>50877</TotalAmt>
        <ProgramServicesAmt>29266</ProgramServicesAmt>
        <ManagementAndGeneralAmt>18628</ManagementAndGeneralAmt>
        <FundraisingAmt>2983</FundraisingAmt>
      </DepreciationDepletionGrp>
      <OtherExpensesGrp>
        <Desc>OTHER OPERATING EXPENSES</Desc>
        <TotalAmt>482171</TotalAmt>
        <ProgramServicesAmt>340395</ProgramServicesAmt>
        <ManagementAndGeneralAmt>118453</ManagementAndGeneralAmt>
        <FundraisingAmt>23323</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>HONORARIA</Desc>
        <TotalAmt>293025</TotalAmt>
        <ProgramServicesAmt>293025</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BANK CHARGES AND FEES</Desc>
        <TotalAmt>20745</TotalAmt>
        <ProgramServicesAmt>14163</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5664</ManagementAndGeneralAmt>
        <FundraisingAmt>918</FundraisingAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>11947441</TotalAmt>
        <ProgramServicesAmt>9558802</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2074702</ManagementAndGeneralAmt>
        <FundraisingAmt>313937</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>654126</BOYAmt>
        <EOYAmt>1904728</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>642950</BOYAmt>
        <EOYAmt>238641</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>1825004</BOYAmt>
        <EOYAmt>1706464</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>445347</BOYAmt>
        <EOYAmt>1027840</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>1383690</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>935833</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>497929</BOYAmt>
        <EOYAmt>447857</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>13446344</BOYAmt>
        <EOYAmt>13098428</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>197854</BOYAmt>
        <EOYAmt>373455</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>17709554</BOYAmt>
        <EOYAmt>18797413</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1109223</BOYAmt>
        <EOYAmt>762058</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>2660304</BOYAmt>
        <EOYAmt>2766718</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>3769527</BOYAmt>
        <EOYAmt>3528776</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>13840027</BOYAmt>
        <EOYAmt>15178637</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>100000</BOYAmt>
        <EOYAmt>90000</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>13940027</BOYAmt>
        <EOYAmt>15268637</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>17709554</BOYAmt>
        <EOYAmt>18797413</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>856510</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>472100</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>false</FSAuditedInd>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc7">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>2773748</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2617283</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2410644</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2298293</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2360597</CurrentTaxYearAmt>
        <TotalAmt>12460565</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>5903922</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>9217927</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>9533693</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>7440338</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>9083432</CurrentTaxYearAmt>
        <TotalAmt>41179312</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>8677670</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>11835210</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>11944337</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>9738631</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11444029</CurrentTaxYearAmt>
        <TotalAmt>53639877</TotalAmt>
      </Total509Grp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus4YearsAmt>1747487</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1432380</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1659073</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>464791</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1023442</CurrentTaxYearAmt>
        <TotalAmt>6327173</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>1747487</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>1432380</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1659073</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>464791</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1023442</CurrentTaxYearAmt>
        <TotalAmt>6327173</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>47312704</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>335927</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>343952</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>435155</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>450030</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>440264</CurrentTaxYearAmt>
        <TotalAmt>2005328</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>335927</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>343952</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>435155</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>450030</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>440264</CurrentTaxYearAmt>
        <TotalAmt>2005328</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>9013597</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>12179162</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>12379492</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>10188661</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>11884293</CurrentTaxYearAmt>
        <TotalAmt>55645205</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.85030</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.82570</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.04000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.04000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <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>
    <IRS990ScheduleD documentId="RetDoc3">
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>293209</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>2779</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>295988</OtherExpendituresAmt>
      </CYMinus4YrEndwmtFundGrp>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>874073</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>501233</DepreciationAmt>
        <BookValueAmt>372840</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>252288</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>199826</DepreciationAmt>
        <BookValueAmt>52462</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>257329</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>234774</DepreciationAmt>
        <BookValueAmt>22555</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>447857</TotalBookValueLandBuildingsAmt>
      <TotalRevEtcAuditedFinclStmtAmt>13206659</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>472100</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>472100</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>12734559</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>69392</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>69392</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>12803951</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>11878049</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>11878049</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>69392</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>69392</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>11947441</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PAGE 2, PART V, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD DESIGNATED ENDOWMENTS WERE ESTABLISHED TO FUND SUPPORT OF A SPEAKER HONORARIA FOR LECTURES AT THE CONGRESS, TO FUND AWARDS GIVEN BY THE JTH EDITORS TO YOUNG INVESTIGATORS FOR BEST ARTICLE AND TO FUND SSC SUBCOMMITTEE GRANTS. THE ENDOWMENT FUNDS WERE COMLETELY SPENT IN FISCAL YEAR 2021.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc8">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>AFRICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>RTW (2)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>9750</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>AFRICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>ADVOCACY AWARD (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <TypeOfActivitiesConductedTxt>FELLOWSHIP (2)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>15494</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <TypeOfActivitiesConductedTxt>SSC AWARD (2)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1580</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <TypeOfActivitiesConductedTxt>RTW (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>12000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <TypeOfActivitiesConductedTxt>ADVOCACY AWARD (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>FELLOWSHIP (3)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>20340</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>RSCH GRANTS (7)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>95257</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>RTC ADMIN (2)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>15395</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>RTW (2)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>12044</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>SSC AWARD (5)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>3475</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>EDITOR AWARD (3)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>6000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <TypeOfActivitiesConductedTxt>ADVOCACY AWARD (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>MIDDLE EAST &amp; NORTH AFRICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>RTW (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>8100</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>RSCH GRANTS (2)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>33657</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>SSC AWARD (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>790</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>RSCH GRANTS (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>14949</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <TypeOfActivitiesConductedTxt>RTW (1)</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>SEE PART V</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>3889</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalSpentAmt>251831</SubtotalSpentAmt>
      <ContinuationSpentAmt>3889</ContinuationSpentAmt>
      <TotalSpentAmt>255720</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>15000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>18657</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>10000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>50000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>8827</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>14285</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>NORTH AFRICA &amp; MIDDLE EAST</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>8100</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>SEE PART V</PurposeOfGrantTxt>
        <CashGrantAmt>14949</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>8</Total501c3OrgCnt>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>FELLOWSHIP STIPEND TRAVEL</TypeOfAssistanceTxt>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>15494</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>RSCH GRANTS</TypeOfAssistanceTxt>
        <RegionTxt>EUROPE</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>20000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>FELLOWSHIP STIPEND,TRAVEL</TypeOfAssistanceTxt>
        <RegionTxt>EUROPE</RegionTxt>
        <RecipientCnt>3</RecipientCnt>
        <CashGrantAmt>20340</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>RTW</TypeOfAssistanceTxt>
        <RegionTxt>AFRICA</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>7250</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>RTW</TypeOfAssistanceTxt>
        <RegionTxt>EAST ASIA AND THE PACIFIC</RegionTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>12918</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <ForeignIndividualsGrantsGrp>
        <TypeOfAssistanceTxt>RTW</TypeOfAssistanceTxt>
        <RegionTxt>EUROPE</RegionTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>12044</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
      </ForeignIndividualsGrantsGrp>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PAGE 1, PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ISTH REACH-THE-WORLD (RTW) FELLOWSHIP PROGRAM IS TARGETED TO EARLY- CAREER PROFESSIONALS FROM DEVELOPING COUNTRIES (COUNTRIES DESIGNATED AS 'DEVELOPING' BY THE CLASSIFICATION OF THE WORLD BANK). THE OBJECTIVE IS TO PROMOTE ADVANCED KNOWLEDGE AND EXPERTISE IN ONE OR ALL OF THE FOLLOWING AREAS RELATED TO THROMBOSIS AND HEMOSTASIS: MEDICAL CARE; LABORATORY METHODS; AND RESEARCH. ISTH REIMBURSES AIRFARE AND PROVIDES A HOUSING AND PER DIEM STIPEND OF 3,000 PER MONTH TO ALLOW THE FELLOW TO TRAVEL AND TO STUDY AT A HOST INSTITUTE. IN 2025, WE HAD FOUR RTW FELLOWS: ONE FROM AFRICA &amp; MIDDLE EAST REGION, ONE FROM EAST ASIA &amp; PACIFIC REGION, AND TWO FROM EUROPE. IN 2025, WE HAD FIVE FELLOWS: THREE FROM EUROPE AND TWO FROM EAST ASIA AND PACIFIC REGIONS. IN 2025, WE HAD ONE INDIVIDUAL FROM EUROPE TO RECEIVE A RESEARCH GRANT TO SUPPORT THROMBOEMBOLIC EVENTS WITH AMIVANTAMB-BASED THERAPIES IN PATIENTS WITH CANCER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PAGE 1, PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>AFRICA 9,750 0 AFRICA 1,000 0 EAST ASIA AND THE PACIFIC 15,494 0 EAST ASIA AND THE PACIFIC 1,580 0 EAST ASIA AND THE PACIFIC 12,000 0 EAST ASIA AND THE PACIFIC 1,000 0 EUROPE 20,340 0 EUROPE 95,257 0 EUROPE 15,395 0 EUROPE 12,044 0 EUROPE 3,475 0 EUROPE 6,000 0 EUROPE 1,000 0 MIDDLE EAST &amp; NORTH AFRICA 8,100 0 NORTH AMERICA 33,657 0 NORTH AMERICA 790 0 SOUTH AMERICA 14,949 0 SOUTH AMERICA 3,889 0</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE F, PAGE 5, PART V</FormAndLineReferenceDesc>
        <ExplanationTxt>PART II, LINE 1, COLUMN (D) - GRANTS TO ORGANIZATIONS OUTSIDE THE UNITED STATES RECIPIENT 1: 18,657 IN FUNDING TO SUPPORT RESEARCH IN TRANEXAMIC ACID IN HEAVY MENSTRUAL BLEEDING RECIPIENT 2: 15,000 IN FUNDING TO SUPPORT RESEARCH OF BIOBANKING RARE PLATELET ANTIBODIES RECIPIENT 3: 10,000 IN FUNDING TO SUPPORT THE RESEARCH OF THE CHARACTERISTICS OF CYCLIC THROMBOCYTOPENIA RECIPIENT 4: 50,000 IN FUNDING TO SUPPORT THE RESEARCH OF COAGULATION MEETS CALCIFICATION: GLADIATORS AS PROTECTORS OF VASCULAR INTEGRITY RECIPIENT 5: 8,827 IN FUNDING TO SUPPORT THE RESEARCH AND VALIDATION OF ANTI-AAV ASSAYS RECIPIENT 6: 14,285 IN FUNDING TO SUPPORT THE TRAVEL OF PROFESSIONAL SPEAKERS TO A SUPPORTED COURSE IN MOLDOVA - MOLDAVIAN SOCIETY ON THROMBOSIS AND HAEMOSTASIS RECIPIENT 7: 8,100 IN FUNDING TO SUPPORT THE TRAVEL AND ACCOMMODATIONS OF PROFESSIONAL SPEAKERS TO A SUPPORTED COURSE IN TANZANIA RECIPIENT 8: 14,949 IN FUNDING TO SUPPORT THE TRAVEL OF PROFESSIONAL SPEAKERS TO A SUPPORTED COURSE IN MONTEVIEDO, URUGUAY - CLAHT</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc4">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE REGENTS OF THE UNIV OF MICHIGAN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3003 SOUTH STATE STREET</AddressLine1Txt>
          <AddressLine2Txt>5TH FLOOR WOLVERINE TOWER</AddressLine2Txt>
          <CityNm>ANN ARBOR</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48109</ZIPCd>
        </USAddress>
        <RecipientEIN>386006309</RecipientEIN>
        <IRCSectionDesc>GOV</IRCSectionDesc>
        <CashGrantAmt>17700</CashGrantAmt>
        <PurposeOfGrantTxt>FUNDAMENTAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF NORTH CAROLINA</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>104 AIRPORT DRIVE</AddressLine1Txt>
          <CityNm>CHAPEL HILL</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27516</ZIPCd>
        </USAddress>
        <RecipientEIN>566001393</RecipientEIN>
        <IRCSectionDesc>GOV</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>FUNDAMENTAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>BRIGHAM AND WOMEN'S HOSPITAL</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>75 FRANCIS STREET</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02115</ZIPCd>
        </USAddress>
        <RecipientEIN>042312909</RecipientEIN>
        <IRCSectionDesc>GOV</IRCSectionDesc>
        <CashGrantAmt>50000</CashGrantAmt>
        <PurposeOfGrantTxt>FUNDAMENTAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ENDEAVOR HEALTH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>1301 CENTRAL STREET</AddressLine1Txt>
          <CityNm>EVANSTON</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60201</ZIPCd>
        </USAddress>
        <RecipientEIN>362167060</RecipientEIN>
        <IRCSectionDesc>GOV</IRCSectionDesc>
        <CashGrantAmt>12419</CashGrantAmt>
        <PurposeOfGrantTxt>PERIPOERATIVE CARE</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>4</Total501c3OrgCnt>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc5">
      <FirstClassOrCharterTravelInd>X</FirstClassOrCharterTravelInd>
      <WrittenPolicyRefTAndEExpnssInd>true</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>true</SubstantiationRequiredInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>THOMAS REISER</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>385551</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>36734</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>17750</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>440035</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LISA ASTORGA</PersonNm>
        <TitleTxt>DIR MEETINGS</TitleTxt>
        <BaseCompensationFilingOrgAmt>192528</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>19565</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>1284</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>213377</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LOUISE BANNON</PersonNm>
        <TitleTxt>DIR MEMBRSHIP MKTG</TitleTxt>
        <BaseCompensationFilingOrgAmt>198498</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>19850</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>11370</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>229718</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JEFFREY CAIOLA</PersonNm>
        <TitleTxt>DIR FINANCE &amp; OPS</TitleTxt>
        <BaseCompensationFilingOrgAmt>185289</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>18890</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>16788</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>220967</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ROBERT CLARK</PersonNm>
        <TitleTxt>DIR PROGRAMS</TitleTxt>
        <BaseCompensationFilingOrgAmt>171593</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>18350</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>24277</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>214220</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ERICKA ROBSINSON</PersonNm>
        <TitleTxt>DIR PEOPLE CULTURE</TitleTxt>
        <BaseCompensationFilingOrgAmt>165205</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>16881</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>16745</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>198831</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc6">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 - ORGANIZATION'S MISSION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INTERNATIONAL SOCIETY ON THROMBOSIS AND HAEMOSTASIS (ISTH) ADVANCES THE UNDERSTANDING, PREVENTION, DIAGNOSIS AND TREATMENT OF CONDITIONS RELATED TO THROMBOSIS AND HEMOSTASIS. THE SOCIETY IS DEDICATED TO TRANSFORMATIVE SCIENTIFIC DISCOVERIES AND CLINICAL PRACTICES, THE DEVELOPMENT OF YOUNG PROFESSIONALS AND THE EDUCATION OF PHYSICIANS, SCIENTISTS AND ALLIED HEALTH PROFESSIONALS WHEREVER THEY MAY LIVE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 2, PART III, LINE 4D</FormAndLineReferenceDesc>
        <ExplanationTxt>PUBLICATION (HARDCOPY AND ONLINE) OF THE JOURNAL OF THROMBOSIS AND HAEMOSTASIS(JTH), WHICH SERVES AS AN INTERNATIONAL FORUM FOR ORIGINAL RESEARCH ARTICLES, REPORTS AND RECOMMENDATIONS AND REVIEWS RELATED TO THE IMPORTANT MEDICAL PROBLEMS OF THROMBOSIS, BLEEDING DISORDERS, AND VASCULAR BIOLOGY. TWELVE ISSUES ARE PUBLISHED ANNUALLY. PUBLICATION OF A MONTHLY E- NEWSLETTER PROVIDING INFORMATION ON ISTH EVENTS, EDUCATIONAL ACTIVITIES AND PROGRAMS, NEWS AND INTERVIEWS. COMPLEMENTING THE SOCIETY'S FLAGSHIP JOURNAL, JOURNAL OF THROMBOSIS AND HAEMOSTASIS (JTH), IS THE OPEN ACCESS ONLINE JOURNAL, RESEARCH AND PRACTICE IN THROMBOSIS AND HAEMOSTASIS (RPTH). RPTH IS A PLATFORM FOR SCIENCE AND DISCOURSE AMONG RESEARCHERS, CLINICIANS, NURSES, ALLIED HEALTH PROFESSIONALS, AND PATIENTS. PUBLISHED IN PARTNERSHIP WITH ELSEVIER, RPTH IS INTERESTED IN BASIC, CLINICAL, TRANSLATIONAL AND POPULATION OR PUBLIC HEALTH RESEARCH. MEMBER SERVICES PROVIDES BENEFITS TAILORED TO CLINICIANS, RESEARCHERS, NURSES, AND ALLIED HEALTH PROFESSIONALS AT ALL STAGES OF THEIR CAREERS IN BLEEDING AND CLOTTING DISORDERS THROUGH EDUCATION, PROGRAMS AND ACTIVITIES, AND PROFESSIONAL NETWORKING. THE SCIENTIFIC AND STANDARDIZATION COMMITTEE (SSC) IS A PERMANENT COMMITTEE OF THE ISTH AND IS ITS SCIENTIFIC WORKING ARM. CONDUCTED THROUGH SUBCOMMITTEES AND WORKING GROUPS, ITS ACTIVITIES PROMOTE COOPERATION AMONG LEADING INTERNATIONAL SCIENTISTS AND DIRECT THEIR ENERGIES TO PROJECTS THAT GENERATE RELIABLE AND STANDARDIZED CLINICAL AND BASIC SCIENCE TOOLS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS THE FOLLOWING CLASSES OF MEMBERSHIP: PREMIER, ADVANCED PRACTICE PROVIDER (APP) PHARMACIST, ASSOCIATE, MEDICAL RESIDENT/POST DOC, REACH-THE-WORLD, NURSE, ALLIED HEALTH PROFESSIONAL, STUDENT/TRAINEE, ISTH ACADEMY AND EMERITUS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS ELECT 15 DIRECTORS TO THE BOARD OF DIRECTORS KNOWN AS THE COUNCIL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BYLAWS MAY BE AMENDED OR REPEALED AND NEW BYLAWS ADOPTED BY THE AFFIRMATIVE VOTE OF TWO-THIRDS OF THE MEMBERS VOTING, EITHER BY MAIL OR IN PERSON AT A REGULAR MEETING OF THE MEMBERSHIP, PROVIDED THE PROPOSED CHANGE HAS BEEN SUBMITTED TO THE MEMBERSHIP AT LEAST THREE (3) MONTHS PRIOR TO THE MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE DIRECTOR AND TREASURER OF THE CORPORATION REVIEW THE FORM 990 WHICH IS THEN MADE AVAILABLE TO THE INTERNATIONAL BOARD OF DIRECTORS PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL VOTING MEMBERS OF ISTH COUNCIL, ALL CHAIRS OF SSC SCIENTIFIC SUBCOMMITTEES AND SPEAKERS AT ISTH AND SSC MEETINGS ARE REQUIRED TO SUBMIT DISCLOSURE OF INTEREST/LOYALTY STATEMENTS ANNUALLY WHICH ARE KEPT ON FILE AT HEADQUARTERS. ALL MEDICAL JOURNAL AUTHORS SUBMIT COI DISCLOSURES KEPT ON FILE BY THE EDITORIAL OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION FOR ALL HIGHLY COMPENSATED STAFF IS ROUTINELY REVIEWED AND APPROVED BY EXEC. COMMITTEE OF THE BOARD BASED ON COMPARABLE DATA FOR SIMILAR POSITIONS IN SIMILAR ORGANIZATIONS FOR SIMILAR LONGEVITY, WITH WRITTEN DOCUMENTATION IN PERSONNEL FILE AND PAYROLL RECORDS. PERSONNEL EXPENSES ARE REPORTED ANNUALLY TO THE BOARD AND APPROVED AS PART OF THE BUDGET.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>OFFICERS AND DIRECTORS DO NOT RECEIVE COMPENSATION FOR THEIR SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>PRIOR YEARS' 990S ARE AVAILABLE ON GUIDESTAR.ORG AND ON THE IRS WEBSITE (HTTPS://APPS.IRS.GOV/APP/EOS/)</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S NAME AND ADDRESS OF REGISTERED OFFICE/AGENT ARE AVAILABLE TO THE PUBLIC ON THE NC SECRETARY OF STATE WEB SITE: HTTP://WWW.SECRETARY.STATE.NC.US. THE BYLAWS AND MISSION ARE POSTED ON THE ISTH WEBPAGE. FINANCIAL STATEMENTS, THE ARTICLES OF INCORPORATION, FORM 1023 AND THE CONFLICT OF INTEREST POLICY ARE AVAILABLE BY REQUEST TO ISTH HEADQUARTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>TECHNOLOGY SERVICES 114,345 6,722 1,076 HR SERVICES 31,905 20,307 3,252 EDITORIAL ASSISTANT 120,000 0 0 OTHER CONTRACTED SERVICES 14,724 9,372 1,501 EDUCATION 479,517 0 0 GUIDANCE AND GUIDELINES 199,601 0 0 GENE THERAPY 89,843 0 0 NOVEL THERAPIES IN THROMBOSIS 209,470 0 0 SSC 25,918 0 0 SUBCOMMITTEES 22,575 0 0 WORLD THROMBOSIS DAY 83,454 0 0 JTH JOURNAL 1,234 0 0 MEMBERSHIP 500 0 0 TOTAL 1,393,086 36,401 5,829</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>