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    <ReturnTs>2023-11-22T22:08:35Z</ReturnTs>
    <TaxPeriodEndDt>2023-06-30</TaxPeriodEndDt>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2022-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>811526084</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>STUDIO AT 550</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>STUD</BusinessNameControlTxt>
      <PhoneNum>6178632550</PhoneNum>
      <USAddress>
        <AddressLine1Txt>29 Autumn St</AddressLine1Txt>
        <CityNm>Somerville</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02145</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Callie Chapman</PersonNm>
      <PersonTitleTxt>Director</PersonTitleTxt>
      <PhoneNum>6178632550</PhoneNum>
      <SignatureDt>2023-11-22</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2022</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
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      <InitialReturnInd>X</InitialReturnInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>https://www.studioat550.org</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="ScheduleA" referenceDocumentName="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>134394</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>127995</ContributionsGiftsGrantsEtcAmt>
      <ProgramServiceRevenueAmt>6399</ProgramServiceRevenueAmt>
      <TotalRevenueAmt>134394</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>85462</GrantsAndSimilarAmountsPaidAmt>
      <SalariesOtherCompEmplBnftAmt>1616</SalariesOtherCompEmplBnftAmt>
      <TotalExpensesAmt>87078</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>47316</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>475</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>47791</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>475</BOYAmt>
        <EOYAmt>44132</EOYAmt>
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      <Form990TotalAssetsGrp>
        <BOYAmt>475</BOYAmt>
        <EOYAmt>44132</EOYAmt>
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      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>475</BOYAmt>
        <EOYAmt>44132</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>THE CORPORATION WILL BE AN ARTISTS EXCHANGE CORPORATION PURSUANT TO CHAP TER 180 OF THE GENERAL LAWS OF THE COMMONWEALTH OF MASSACHUSETTS AND IS O RGANIZED AND WILL BE OPERATED EXCLUSIVELY FOR CHARITABLE, RELIGIOUS, SCIENTIF IC, EDUCATIONAL AND ARTISTIC PURPOSES. WITHIN THE MEANING OF SECTION 501 (C) (3) OF THE INTERNAL REVENUE CODE, DESIGNED TO PROVIDE A SPACE FOR ARTISTS TO LEAR N FROM ONE ANOTHER. THE CORPORATION IS DESIGNED TO BE A 501 (C) (3) NON-PROFIT ORGANIZATION TO PROVIDE FINANCIAL STABILITY IN ORDER TO SUPPORT ARTISTS AND THEIR CRAFT THROUGH EDUCATIONAL PROGRAMMING AND AFFORDABLE SPACE RENTAL FOR THE CREATION OF ART. IN ADDITION, THE CORPORATION STRIVES TO REACH OUT IN TO VARIOUS COMMUNITIES AND CULTURES THROUGHOUT THE WORLD TO EXPOSE AND E DUCATE THE GENERAL PUBLIC, INCLUDING THE YOUTH AND ELDERLY AND VARIOUS CO MMUNITY BASED PROGRAMS, IN ALLIANCE TO EXPOSE VARIOUS ART FORMS THROUGHO UT THOSE COMMUNITIES.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Fiscal Sponsorship Program Benefiting 6 artists/arts groups who serve over 300+ constituents</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>121750</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>115351</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>Event/Performance assistance - Video and streaming assistance for artists' performances</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>1000</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>116351</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Ivan Korn</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>0.25</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm referenceDocumentName="CompensationExplanation">Callie Chapman</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>5.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>1616</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd referenceDocumentName="IRS990ScheduleC">false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd referenceDocumentName="IRS990ScheduleN BinaryAttachment">false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd referenceDocumentName="IRS990ScheduleL">false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>Callie Chapman</PersonNm>
        <USAddress>
          <AddressLine1Txt>29 Autumn St</AddressLine1Txt>
          <CityNm>Somerville</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02145</ZIPCd>
        </USAddress>
        <PhoneNum>7817383272</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd referenceDocumentName="IRS990ScheduleC">false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentName="IRS990ScheduleC">false</LobbyingActivitiesInd>
      <SchoolOperatingInd referenceDocumentName="IRS990ScheduleE">false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <OtherEmployeePaidOver100kCnt>0</OtherEmployeePaidOver100kCnt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
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      <SupportedOrganizationsCnt>0</SupportedOrganizationsCnt>
      <SupportedOrganizationsTotalCnt>0</SupportedOrganizationsTotalCnt>
      <SupportSumAmt>0</SupportSumAmt>
      <OtherSupportSumAmt>0</OtherSupportSumAmt>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearAmt>127995</CurrentTaxYearAmt>
        <TotalAmt>127995</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>127995</CurrentTaxYearAmt>
        <TotalAmt>127995</TotalAmt>
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      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
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      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
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      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
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      <PublicSupportTotal509Amt>127995</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <TotalAmt>0</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <TotalAmt>0</TotalAmt>
      </Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
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        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>0</TotalAmt>
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      <NetIncomeFromOtherUBIGrp>
        <TotalAmt>0</TotalAmt>
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      <OtherIncome509Grp>
        <TotalAmt>0</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>0</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>127995</CurrentTaxYearAmt>
        <TotalAmt>127995</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <First5Years509Ind>X</First5Years509Ind>
      <PublicSupportCY509Pct>1.00000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.00000</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="ScheduleO" documentName="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 10</FormAndLineReferenceDesc>
        <ExplanationTxt>Marissa Molinar / Midday Movement Series - 21,500 Jo-Me Arts - 62,462 Caitlin Canty/Eventual Dance - 1,500</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <ReasonableCauseExplanation documentId="ReasonableCauseExplanation" documentName="ReasonableCauseExplanation">
      <ExplanationTxt>This was the first time the organization needed to file a 990-ez. Previously, we had gross receipts less than $50,000 and filed an e-postcard. One of our fiscal sponsorship participants which got a significant grant which took us over the threshold and unexpectedly we needed to find the appropriate strategy to be able to file our 990-EZ in a conscientious manner. It took some time to get up to speed in learning how to file and which reports to prepare for the filing. We currently have very part-time contracted staff and a volunteer board. In the future we will plan accordingly and file on time as required.</ExplanationTxt>
    </ReasonableCauseExplanation>
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