﻿<?xml version="1.0" encoding="utf-8"?>
<Return returnVersion="2025v4.2" xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-07-25T21:44:16-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>364390698</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Size of a Mustard Seed Inc</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% Dennis D Pearson</InCareOfNm>
      <BusinessNameControlTxt>SIZE</BusinessNameControlTxt>
      <PhoneNum>8478727167</PhoneNum>
      <USAddress>
        <AddressLine1Txt>445 Russell Av</AddressLine1Txt>
        <CityNm>Winthrop Harbor</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>60096</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>DENNIS D PEARSON</PersonNm>
      <PersonTitleTxt>PresidentTreasurer</PersonTitleTxt>
      <PhoneNum>8478727167</PhoneNum>
      <SignatureDt>2026-07-25</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="2">
    <IRS990PF documentId="IRS990PF-147-Copy1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>301</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>150</ContriRcvdRevAndExpnssAmt>
        <TotalRevAndExpnssAmt>150</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>0</TotalNetInvstIncmAmt>
        <PrintingAndPubRevAndExpnssAmt>149</PrintingAndPubRevAndExpnssAmt>
        <TotOprExpensesRevAndExpnssAmt>149</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>0</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>0</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>543</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>543</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>692</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>0</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>543</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>-542</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>842</CashBOYAmt>
        <CashEOYAmt>301</CashEOYAmt>
        <CashEOYFMVAmt>301</CashEOYFMVAmt>
        <TotalAssetsBOYAmt>842</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>301</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>301</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesBOYAmt>0</TotalLiabilitiesBOYAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
        <NoDonorRstrNetAssestsBOYAmt>842</NoDonorRstrNetAssestsBOYAmt>
        <NoDonorRstrNetAssestsEOYAmt>301</NoDonorRstrNetAssestsEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>842</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>301</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>842</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>301</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>842</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>-542</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>300</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>300</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>0</InvestmentIncomeExciseTaxAmt>
        <SubtitleATaxAmt>0</SubtitleATaxAmt>
        <TaxBasedOnInvestmentIncomeAmt>0</TaxBasedOnInvestmentIncomeAmt>
        <ExemptFrgnOrgTaxWthldAtSrceAmt>0</ExemptFrgnOrgTaxWthldAtSrceAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>false</AtLeast5000InAssetsInd>
        <OrgReportOrRegisterStateCd>IL</OrgReportOrRegisterStateCd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>guidestar.org</WebsiteAddressTxt>
        <PersonsWithBooksName>
          <BusinessNameLine1Txt>Dennis D Pearson</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>8478727167</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>445 Russell Av</AddressLine1Txt>
          <CityNm>Winthrop Harbor</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60096</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp>
        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>false</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>false</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <ActsFailToQlfyAsExceptionsInd>false</ActsFailToQlfyAsExceptionsInd>
        <UncorrectedPriorActsInd>false</UncorrectedPriorActsInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <UndistrIncmSect4942a2NotAppInd>false</UndistrIncmSect4942a2NotAppInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <ExcessBusinessHoldingsInd>false</ExcessBusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <TransactionsFailToQlfyAsExcInd>false</TransactionsFailToQlfyAsExcInd>
        <MaintainedExpenditureRspnsInd>false</MaintainedExpenditureRspnsInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <ProceedsOrNetIncomeInd>false</ProceedsOrNetIncomeInd>
        <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>ANGELA G PEARSON</PersonNm>
          <USAddress>
            <AddressLine1Txt>445 Russell Av</AddressLine1Txt>
            <CityNm>Winthrop Harbor</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60096</ZIPCd>
          </USAddress>
          <TitleTxt>Corp Secretary</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>DACIA C MOSS</PersonNm>
          <USAddress>
            <AddressLine1Txt>445 Russell Av</AddressLine1Txt>
            <CityNm>Winthrop Harbor</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60096</ZIPCd>
          </USAddress>
          <TitleTxt>Director</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>DENNIS D PEARSON</PersonNm>
          <USAddress>
            <AddressLine1Txt>445 Russell Av</AddressLine1Txt>
            <CityNm>Winthrop Harbor</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60096</ZIPCd>
          </USAddress>
          <TitleTxt>PresidentTreasurer</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <OtherEmployeePaidOver50kCnt>0</OtherEmployeePaidOver50kCnt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
        <ContractorPaidOver50kCnt>0</ContractorPaidOver50kCnt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp>
        <Description1Txt>Matthias Academy - day program for adults with special needs</Description1Txt>
        <Expenses1Amt>208</Expenses1Amt>
        <Description2Txt>Haven Ministries</Description2Txt>
        <Expenses2Amt>25</Expenses2Amt>
        <Description3Txt>New Life - Balkans disciple Christian ministers</Description3Txt>
        <Expenses3Amt>310</Expenses3Amt>
      </SummaryOfDirectChrtblActyGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>0</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>636</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>0</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>636</TotalFMVOfUnusedAssetsAmt>
        <ReductionClaimedAmt>0</ReductionClaimedAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>636</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>10</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>626</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>31</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>31</MinimumInvestmentReturnAmt>
        <DistributableBeforeAdjAmt>31</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>31</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>31</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>543</ExpensesAndContributionsAmt>
        <QualifyingDistributionsAmt>543</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>31</DistributableAsAdjustedAmt>
        <UndistributedIncomePYAmt>327</UndistributedIncomePYAmt>
        <TotalForPriorYearsAmt>642</TotalForPriorYearsAmt>
        <ExcessDistributionCyovYr5Amt>315</ExcessDistributionCyovYr5Amt>
        <ExcessDistributionCyovYr3Amt>246</ExcessDistributionCyovYr3Amt>
        <ExcessDistributionCyovYr2Amt>260</ExcessDistributionCyovYr2Amt>
        <ExcessDistributionCyovYr1Amt>327</ExcessDistributionCyovYr1Amt>
        <TotalExcessDistributionCyovAmt>1148</TotalExcessDistributionCyovAmt>
        <QualifyingDistributionsAmt>543</QualifyingDistributionsAmt>
        <AppliedToYear1Amt>327</AppliedToYear1Amt>
        <AppliedToPriorYearsAmt>0</AppliedToPriorYearsAmt>
        <TreatedAsDistriFromCorpusAmt>0</TreatedAsDistriFromCorpusAmt>
        <RemainingDistriFromCorpusAmt>216</RemainingDistriFromCorpusAmt>
        <TotalCorpusAmt>1364</TotalCorpusAmt>
        <PriorYearUndistributedIncmAmt>642</PriorYearUndistributedIncmAmt>
        <Taxable1Amt>642</Taxable1Amt>
        <UndistributedIncomeCYAmt>31</UndistributedIncomeCYAmt>
        <ExcessDistriCyovFromYr5Amt>315</ExcessDistriCyovFromYr5Amt>
        <ExcessDistriCyovToNextYrAmt>1049</ExcessDistriCyovToNextYrAmt>
        <ExcessFromYear3Amt>246</ExcessFromYear3Amt>
        <ExcessFromYear2Amt>260</ExcessFromYear2Amt>
        <ExcessFromYear1Amt>327</ExcessFromYear1Amt>
        <ExcessFromCurrentYearAmt>216</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <PrivateOperatingFoundationsGrp>
        <LessorAdjNetIncmMinInvstRetGrp>
          <CurrentYearAmt>0</CurrentYearAmt>
          <TotalAmt>0</TotalAmt>
        </LessorAdjNetIncmMinInvstRetGrp>
        <QualifyingDistributionsGrp>
          <TotalAmt>0</TotalAmt>
        </QualifyingDistributionsGrp>
      </PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <TotalGrantOrContriPdDurYrAmt>0</TotalGrantOrContriPdDurYrAmt>
        <TotalGrantOrContriApprvFutAmt>0</TotalGrantOrContriApprvFutAmt>
      </SupplementaryInformationGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <IRS990ScheduleB documentId="IRS990ScheduleB-190-Copy1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <GeneralRuleInd>X</GeneralRuleInd>
      <ContributorInformationGrp>
        <ContributorNum>1</ContributorNum>
        <ContributorPersonNm>DENNIS D PEARSON</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>445 Russell Av</AddressLine1Txt>
          <CityNm>Winthrop Harbor</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60096</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>150</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
  </ReturnData>
</Return>