Liabilities / Assets
60th percentile
Higher debt load relative to assets than 60% of similar nonprofits.
EIN 04-2632221 • 501(c)3 • Watertown, MA
Profile
Modern Chamber Music performance & Educa
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
60th percentile
Higher debt load relative to assets than 60% of similar nonprofits.
Liabilities / Revenue
61st percentile
Higher debt load relative to revenue than 61% of similar nonprofits.
Net Margin
21st percentile
Higher net margin than 21% of similar nonprofits.
Top Officer Pay
86th percentile
Higher top officer pay than 86% of similar nonprofits.
Top officer pay equals 9.2% of source-year revenue.
Asset Growth
23rd percentile
Faster asset growth than 23% of similar nonprofits.
Revenue Growth
51st percentile
Faster revenue growth than 51% of similar nonprofits.
Assets
Down$14,212
Down $7,553 (-35%) from 2024
Liabilities
Flat$8
Flat from 2024
Net Assets
Down$14,204
Down $7,553 (-35%) from 2024
Revenue
Down$31,533
Down $144 (-0.5%) from 2024
Expenses
Up$39,086
Up $13,687 (+54%) from 2024
Net Income
Down-$7,553
Down $13,831 (-220%) from 2024
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
Modern chamber music performance education.
Modern Chamber Music performance & Educa
| Description | Grants | Expenses |
|---|---|---|
| Perform concerts in Boston area of modern chamber music | $7,264 | $32,172 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Hubert Ho | Artistic Director | - | $3,150 | - | $3,150 |
| Sue-Ellen Hershman-Tcherepnin | Clerk | PT | $1,922 | - | $1,922 |
| Anne Black | Director | - | $1,011 | - | $1,011 |
| Yu-Hui Chang | Chairperson | - | $0 | - | - |
| Charles Guttman | Director | - | $0 | - | - |
| Doris Held | Director | - | $0 | - | - |
| John McLellan | Treasurer | PT | $0 | - | - |
| Randal Guendel | Director | - | $0 | - | - |
| Michele Cavalari | Director | - | $0 | - | - |
“Description AmountAccounting software 952licensing fee 438payment processing 40misc 408bank fees 244dues 1,162”
“Category Beginning of Year End of YearOther liabilities 8 8”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | John McLellan |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 6175007110 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 16 Bartlett Ter |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | Newton Center |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 024592314 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 21765 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 14212 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 28477 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | -7553 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 29486 |
| IRS990EZ/FiledScheduleAInd | 0 | true |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 21765 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 14212 |
| IRS990EZ/GrossReceiptsAmt | 0 | 31533 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 0 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 21757 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 14204 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 21757 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 14204 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 2123 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 10.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 10.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 1011 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 3150 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 1922 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | Yu-Hui Chang |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | Anne Black |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | Charles Guttman |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | Doris Held |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | Hubert Ho |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | John McLellan |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | Randal Guendel |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | Michele Cavalari |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | Sue-Ellen Hershman-Tcherepnin |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | Chairperson |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | Artistic Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | Treasurer |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | Clerk |
| IRS990EZ/OperateHospitalInd | 0 | false |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 3244 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | Modern Chamber Music performance & Educa |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 1483 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 3056 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | Perform concerts in Boston area of modern chamber music |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 7264 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 32172 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 2750 |
| IRS990EZ/SchoolOperatingInd | 0 | false |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 8 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 8 |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 39086 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 32172 |
| IRS990EZ/TotalRevenueAmt | 0 | 31533 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | www.dinosaurannex.org |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 28499 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 28664 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 31717 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 29015 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 21969 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 139864 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 7 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 11 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 9613 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.94840 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.98260 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 132662 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 7202 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 28499 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 28664 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 31717 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 29015 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 21969 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 139864 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 139875 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Description AmountAccounting software 952licensing fee 438payment processing 40misc 408bank fees 244dues 1,162 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Category Beginning of Year End of YearOther liabilities 8 8 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Description of other expenses Part I line 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Description of total liabilities Part II line 26 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | JOHN MCLELLAN |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasurer |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6175007110 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-07 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Dinosaur Annex Music Ensemble |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | DINO |
| ReturnHeader/Filer/EIN | 0 | 042632221 |
| ReturnHeader/Filer/InCareOfNm | 0 | % John McLellan |
| ReturnHeader/Filer/PhoneNum | 0 | 6175007110 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO Box 514 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Watertown |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 024720514 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | AGN Accounting |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 9 Pilgrim Way |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | East Walpole |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 02032 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6179092976 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-11-11 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | ALEXANDER NOVAKOVIC |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2025-11-11T13:17:51-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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