﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2025v4.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-04-17T09:01:39-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>390974031</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>WEGNER CPAS LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>419 N LEE ST</AddressLine1Txt>
        <CityNm>ALEXANDRIA</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>223142301</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>521072086</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE TOXICOLOGY FORUM</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>TOXI</BusinessNameControlTxt>
      <PhoneNum>7034383103</PhoneNum>
      <USAddress>
        <AddressLine1Txt>11190 SUNRISE VALLEY DRIVE 300</AddressLine1Txt>
        <CityNm>RESTON</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>20191</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>TRAVIS SCHMIT</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>7034383103</PhoneNum>
      <SignatureDt>2026-04-16</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>ADAM KUCZYNSKI CPA</PreparerPersonNm>
      <PTIN>P01560606</PTIN>
      <PhoneNum>7035190990</PhoneNum>
      <PreparationDt>2026-04-12</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>TRAVIS SCHMIT</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>11190 SUNRISE VALLEY DRIVE 300</AddressLine1Txt>
        <CityNm>RESTON</CityNm>
        <StateAbbreviationCd>VA</StateAbbreviationCd>
        <ZIPCd>20191</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>296952</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.TOXFORUM.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1976</FormationYr>
      <LegalDomicileStateCd>DC</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO BE THE FOREMOST PLATFORM AMONG INFLUENTIAL STAKEHOLDERS FOR DELIBERATIVE DIALOGUE WHICH SHAPES DECISION-MAKING AND OUTCOMES ON CRITICAL ISSUES IN TOXICOLOGY AND ITS APPLICATIONS.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>12</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>12</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>34</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>94600</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>223280</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>78900</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>69265</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>4340</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>4407</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>177840</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>296952</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>0</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>206878</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>140493</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>206878</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>140493</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-29038</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>156459</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>477869</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>639294</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>13732</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>18698</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>464137</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>620596</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>TO BE THE FOREMOST PLATFORM AMONG INFLUENTIAL STAKEHOLDERS FOR DELIBERATIVE DIALOGUE WHICH SHAPES DECISION-MAKING AND OUTCOMES ON CRITICAL ISSUES IN TOXICOLOGY AND ITS APPLICATIONS.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>72307</ExpenseAmt>
      <GrantAmt>0</GrantAmt>
      <RevenueAmt>69265</RevenueAmt>
      <Desc>THE TOXICOLOGY FORUM'S MISSION IS ACCOMPLISHED THROUGH ORGANIZING AND CONDUCTING MEETINGS AMONG GOVERNMENT GRANTING AND REGULATORY AGENCIES, THE SCIENTIFIC COMMUNITY (ACADEMIA, GOVERNMENT, AND INDUSTRY), AND PUBLIC INTEREST GROUPS. THE DIALOGUE AT THESE MEETINGS FACILITATES THE RESOLUTION OF CONFLICTS, IDENTIFIES RESEARCH GAPS, DRIVES RESEARCH AGENDAS, AND PROMOTES SOUND REGULATORY AND POLICY DECISION MAKING. THE TOXFORUM ALWAYS STRIVES TO PROVIDE BALANCED PROGRAMS AND DOES NOT ADVOCATE FOR ANY PARTICULAR SCIENTIFIC OR POLICY POSITION DISCUSSED DURING OUR MEETINGS OR ATTEMPT TO REACH CONSENSUS FROM DISCUSSIONS AND PRESENTATIONS. THE TOXFORUM ENCOURAGES PARTICIPATION IN OUR FORUMS FROM SCIENTIFIC AND POLICY EXPERTS IN GOVERNMENT, INDUSTRY, ACADEMIA, AND CONSUMER INTEREST GROUPS. THE TOXFORUM AIMS TO PROVIDE A SCRUPULOUSLY BALANCED, TRANSPARENT APPROACH TO EVERY TOPIC WITH ALTERNATIVE POSITIONS PRESENTED FOR EACH ISSUE.</Desc>
      <TotalProgramServiceExpensesAmt>72307</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd>0</DonorAdvisedFundInd>
      <ConservationEasementsInd>0</ConservationEasementsInd>
      <CollectionsOfArtInd>0</CollectionsOfArtInd>
      <CreditCounselingInd>0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd>0</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd>0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd>0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd>0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd>0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd>0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd>0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd>0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>1</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>12</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>12</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>1</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>0</ConflictOfInterestPolicyInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>VA</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>ASSOCIATION INNOVATION MANAGEMENT</PersonNm>
        <PhoneNum>7034383103</PhoneNum>
        <USAddress>
          <AddressLine1Txt>11190 SUNRISE VALLEY DRIVE STE 300</AddressLine1Txt>
          <CityNm>RESTON</CityNm>
          <StateAbbreviationCd>VA</StateAbbreviationCd>
          <ZIPCd>20191</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <NoListedPersonsCompensatedInd>X</NoListedPersonsCompensatedInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>TRAVIS SCHMIT</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>CHRISTINE CRINCOLI</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ESRA MUTLU</PersonNm>
        <TitleTxt>VICE PRESIDENT ELECT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KELLY ALMOND-ABBATE</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KEVIN BOYD</PersonNm>
        <TitleTxt>TREASURER (FROM SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANNE CHAPPELLE</PersonNm>
        <TitleTxt>TREASURER (THRU SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GARY MINSAVAGE</PersonNm>
        <TitleTxt>PAST PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT AUERBACH</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SYLVESTER MOSELY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIELLE WIKOFF</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PHILIP WAGES</PersonNm>
        <TitleTxt>DIRECTOR (FROM SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARGARET WHITTAKER</PersonNm>
        <TitleTxt>DIRECTOR (FROM SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ZOSPEH ZAGORSKI</PersonNm>
        <TitleTxt>DIRECTOR (FROM SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MANSI KRISHAN</PersonNm>
        <TitleTxt>DIRECTOR (THRU SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CRAIG LLEWELLYN</PersonNm>
        <TitleTxt>DIRECTOR (THRU SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>0.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NISHA SIPES</PersonNm>
        <TitleTxt>DIRECTOR (THRU SEPT 2025)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VIRGINIA HAWKINS</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR (FROM M</TitleTxt>
        <AverageHoursPerWeekRt>10.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ASSOCIATION INNOVATION &amp; MANAGEMENT INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>11190 SUNRISE VALLEY DR SUITE 300</AddressLine1Txt>
            <CityNm>RESTON</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>20191</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MANAGEMENT SERVICES</ServicesDesc>
        <CompensationAmt>155806</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <MembershipDuesAmt>8400</MembershipDuesAmt>
      <AllOtherContributionsAmt>214880</AllOtherContributionsAmt>
      <TotalContributionsAmt>223280</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL MEETINGS</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>69265</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>69265</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>69265</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>4407</TotalRevenueColumnAmt>
        <ExclusionAmt>4407</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>296952</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>69265</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>4407</ExclusionAmt>
      </TotalRevenueGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>12392</TotalAmt>
        <ManagementAndGeneralAmt>12392</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>85</TotalAmt>
        <ManagementAndGeneralAmt>85</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>10842</TotalAmt>
        <ManagementAndGeneralAmt>10842</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <AdvertisingGrp>
        <TotalAmt>8150</TotalAmt>
        <ProgramServicesAmt>7095</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1055</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>5482</TotalAmt>
        <ManagementAndGeneralAmt>5482</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <TravelGrp>
        <TotalAmt>5296</TotalAmt>
        <ProgramServicesAmt>5296</ProgramServicesAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>93701</TotalAmt>
        <ProgramServicesAmt>59916</ProgramServicesAmt>
        <ManagementAndGeneralAmt>33785</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InsuranceGrp>
        <TotalAmt>4065</TotalAmt>
        <ManagementAndGeneralAmt>4065</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>FEES AND LICENSES</Desc>
        <TotalAmt>250</TotalAmt>
        <ManagementAndGeneralAmt>250</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>DUES AND SUBSCRIPTIONS</Desc>
        <TotalAmt>230</TotalAmt>
        <ManagementAndGeneralAmt>230</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>140493</TotalAmt>
        <ProgramServicesAmt>72307</ProgramServicesAmt>
        <ManagementAndGeneralAmt>68186</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>350404</BOYAmt>
        <EOYAmt>523719</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>105904</BOYAmt>
        <EOYAmt>110311</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>21561</BOYAmt>
        <EOYAmt>5264</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <TotalAssetsGrp>
        <BOYAmt>477869</BOYAmt>
        <EOYAmt>639294</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>4257</BOYAmt>
        <EOYAmt>5985</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>9475</BOYAmt>
        <EOYAmt>12713</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>13732</BOYAmt>
        <EOYAmt>18698</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>131372</BOYAmt>
        <EOYAmt>131184</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>332765</BOYAmt>
        <EOYAmt>489412</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>464137</BOYAmt>
        <EOYAmt>620596</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>477869</BOYAmt>
        <EOYAmt>639294</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>156459</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>110443</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>104866</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>121800</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>94600</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>223280</CurrentTaxYearAmt>
        <TotalAmt>654989</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>110443</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>104866</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>121800</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>94600</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>223280</CurrentTaxYearAmt>
        <TotalAmt>654989</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>112068</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>542921</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>15</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>15</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>16</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4340</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>4407</CurrentTaxYearAmt>
        <TotalAmt>8793</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <TotalSupportAmt>663782</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>292784</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.81790</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.77630</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </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>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>VIRGINIA HAWKINS, EXECUTIVE DIRECTOR, WAS COMPENSATED BY THE ASSOCIATION, INNOVATION, AND MANAGEMENT, INC (AIM), AN UNRELATED MANAGEMENT ORGANIZATION. IN NOVEMBER 2023, THE TOXFORUM ENTERED INTO A GENERAL SERVICE AGREEMENT WITH AIM TO MANAGE ITS BUSINESS AFFAIRS AND TO WORK TOGETHER IN ACHIEVING VARIOUS GOALS AND OBJECTIVES OF THE ORGANIZATION AND TO PROVIDE MANAGEMENT, ADMINISTRATION, AND CONFERENCE SERVICES. AT THE CONCLUSION OF THREE YEARS (DECEMBER 31, 2026) AND EACH SUBSEQUENT YEAR, THE CONTRACT SHALL EXTEND FOR ANOTHER YEAR, UNLESS EITHER PARTY HAS GIVEN A NOTICE BY AUGUST 31 OF THE PREVIOUS YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP SHALL BE OPEN TO INDIVIDUALS DEMONSTRATING AN ACTIVE INVOLVEMENT AND INTEREST IN THE FIELD OF TOXICOLOGY, PUBLIC HEALTH OR REGULATORY SCIENCES. MEMBERSHIP IN THIS CORPORATION SHALL BE IN THREE CLASSES - FULL, HONORARY, AND EMERITUS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS HAVE THE POWER TO ELECT DIRECTORS AND OFFICERS OF THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR. THE COMPLETED FORM IS SENT TO ALL BOARD MEMBERS PRIOR TO BEING FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS CONSTITUTION AND BYLAWS AVAILABLE ON ITS WEBSITE AND FINANCIAL STATEMENTS AND TAX RETURNS AVAILABLE TO THE PUBLIC UPON REQUEST. THE ORGANIZATION DOES NOT HAVE A WRITTEN CONFLICT OF INTEREST POLICY, BUT BOARD MEMBERS ARE REQUIRED ANNUALLY TO VERBALLY DISCLOSE THEIR EMPLOYER, OTHER ASSOCIATION LEADERSHIP ROLES, JOURNAL ROLES, EXPERT WITNESSING TESTIMONY TOPICS, AND CONSULTING AGREEMENTS DURING THE FIRST BOARD MEETING OF THE VOLUNTEER YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>