Liabilities / Assets
5th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 04-6745053 • 501(c)3 • St Louis, MO
Profile
Suppport the charles stark draper laboratory, inc- the trust provides post-retirement medical benefits to qualified retirees of the charles stark draper laboratory, inc and their eligible dependents.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
5th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
6th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
95th percentile
Higher net margin than 95% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
56th percentile
Faster asset growth than 56% of similar nonprofits.
Revenue Growth
94th percentile
Faster revenue growth than 94% of similar nonprofits.
Assets
Up$24,867,290
Up $1,585,713 (+6.8%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$24,867,290
Up $1,585,713 (+6.8%) from 2024
Revenue
Up$2,164,544
Up $1,225,241 (+130%) from 2024
Expenses
Up$578,813
Up $9,343 (+1.6%) from 2024
Net Income
Up$1,585,731
Up $1,215,898 (+329%) from 2024
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
Suppport the charles stark draper laboratory, inc- the trust provides post-retirement medical benefits to qualified retirees of the charles stark draper laboratory, inc and their eligible dependents.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $23,281,577 | $24,867,290 | ▲ $1,585,713 |
| Investments in Publicly Traded Securities | $23,256,577 | $24,842,260 | ▲ $1,585,683 |
| Savings and Temporary Cash Investments | $25,000 | $25,030 | ▲ $30 |
| Total Assets | $23,281,577 | $24,867,290 | ▲ $1,585,713 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $23,281,577 | $24,867,290 | ▲ $1,585,713 |
| Total Liabilities and Net Assets / Fund Balance | $23,281,577 | $24,867,290 | ▲ $1,585,713 |
| Name | Title |
|---|---|
| Tiaa Fsb | Trustee |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $424,659 |
| Other Expenses | $133,564 |
| Salaries, Compensation, and Employee Benefits | $20,590 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $424,659 | - | - | $424,659 |
| Fees for Service Investment Mgmnt Fees | - | $133,064 | - | $133,064 |
| Current Officers, Directors, Trustees, and Key Employees | - | $20,590 | - | $20,590 |
| Fees for Services Accounting | - | $500 | - | $500 |
| Total Functional Expenses | $424,659 | $154,154 | $0 | $578,813 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The tax staff at tiaa, fsb prepares the tax returns for the charles stark draper laboratory inc retiree medical payments trust. The director of personal trust tax reviews and approves the form990. The approved 990 is sent to the treasury analyst at the charles stark laboratory inc for review and approval. Any changes needed are discussed with tiaa fsb, who would make any necessary changes before filing the final tax returns.”
“Forms 990 and 1023 are available for public inspection; however, other trust documents including governing documents, conflict of interest policy and financial statements are not made available to the general public.”
“Mutual fund timing difference - ($18.00)”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | SUPPPORT THE CHARLES STARK DRAPER LABORATORY, INC- THE TRUST PROVIDES POST-RETIREMENT MEDICAL BENEFITS TO QUALIFIED RETIREES OF THE CHARLES STARK DRAPER LABORATORY, INC AND THEIR ELIGIBLE DEPENDENTS. |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | TIAA Trust NA |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3142445066 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 211 N BROADWAY STE 1000 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ST LOUIS |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MO |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 631022733 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 20590 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 20590 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 424659 |
| IRS990/CYInvestmentIncomeAmt | 0 | 2164544 |
| IRS990/CYOtherExpensesAmt | 0 | 133564 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1585731 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 20590 |
| IRS990/CYTotalExpensesAmt | 0 | 578813 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 2164544 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | SUPPORT THE CHARLES STARK DRAPER LABORATORY, INC- THE TRUST PROVIDES POST-RETIREMENT MEDICAL BENEFITS TO QUALIFIED RETIREES OF THE CHARLES STARK DRAPER LABORATORY, INC AND THEIR ELIGIBLE DEPENDENTS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | RETIREE MEDICAL PAYMENTS TRUST |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExcsTaxSect4951Or4952Or4953Ind | 0 | false |
| IRS990/ExpenseAmt | 0 | 424659 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 500 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 500 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 133064 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 133064 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/InstitutionalTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | TIAA FSB |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2003 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 1523798 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 424659 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 424659 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 8500516 |
| IRS990/GrossReceiptsAmt | 0 | 9141262 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 640746 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 640746 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 23256577 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 24842260 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 6976718 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | SUPPPORT THE CHARLES STARK DRAPER LABORATORY, INC- THE TRUST PROVIDES POST-RETIREMENT MEDICAL BENEFITS TO QUALIFIED RETIREES OF THE CHARLES STARK DRAPER LABORATORY, INC AND THEIR ELIGIBLE DEPENDENTS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 23281577 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 24867290 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 1523798 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -18 |
| IRS990/OtherExpensesGrp/Desc | 0 | FOREIGN TAXES PAID |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | TIAA Trust N A |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | CONTRIBUTIONS FROM DRAPER LAB, INC |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 477646 |
| IRS990/PYInvestmentIncomeAmt | 0 | 939303 |
| IRS990/PYOtherExpensesAmt | 0 | 73035 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 369833 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 18789 |
| IRS990/PYTotalExpensesAmt | 0 | 569470 |
| IRS990/PYTotalRevenueAmt | 0 | 939303 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1585731 |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 23281577 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 24867290 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 25000 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 25030 |
| IRS990ScheduleA/DistributableAmountGrp/CYAdjNetIncomeDistributableAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYDistributableAsAdjustedAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYGreaterAdjustedMinimumAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYIncomeTaxImposedPYAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYPct85AdjustedNetIncomeAmt | 0 | 0 |
| IRS990ScheduleA/DistributableAmountGrp/CYTotalMinAstDistributableAmt | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | true |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | true |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 042505372 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 10 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 424659 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | CHARLES STARK DRAPER LABORATORY INC |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 424659 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE TAX STAFF AT TIAA, FSB PREPARES THE TAX RETURNS FOR THE CHARLES STARK DRAPER LABORATORY INC RETIREE MEDICAL PAYMENTS TRUST. THE DIRECTOR OF PERSONAL TRUST TAX REVIEWS AND APPROVES THE FORM990. THE APPROVED 990 IS SENT TO THE TREASURY ANALYST AT THE CHARLES STARK LABORATORY INC FOR REVIEW AND APPROVAL. ANY CHANGES NEEDED ARE DISCUSSED WITH TIAA FSB, WHO WOULD MAKE ANY NECESSARY CHANGES BEFORE FILING THE FINAL TAX RETURNS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | FORMS 990 AND 1023 ARE AVAILABLE FOR PUBLIC INSPECTION; HOWEVER, OTHER TRUST DOCUMENTS INCLUDING GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE NOT MADE AVAILABLE TO THE GENERAL PUBLIC. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | MUTUAL FUND TIMING DIFFERENCE - ($18.00) |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PAGE 6, PART VI, LINE 11-DESCRIPTION OF PROCESS FOR REVIEW |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PAGE 6, PART VI, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | EXPLANATION FOR FORM 990, PART XI, LINE 9 |
| IRS990ScheduleR/AssetExchangeInd | 0 | false |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | false |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | false |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | false |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | false |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | false |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | false |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | NA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | THE CHARLES STARK DRAPER LABORATORY INC |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 042505372 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 0 | 501(c)(3) |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 0 | MA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | ENGINEERING SOLUTIONS TO PROBLEMS OF NATIONAL |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PublicCharityStatusTxt | 0 | 11A |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | 555 TECHNOLOGY SQUARE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | CAMBRIDGE |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd | 0 | 02139 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | false |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | false |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | false |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | false |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | false |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | false |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | false |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | false |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | false |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 23281577 |
| IRS990/TotalAssetsEOYAmt | 0 | 24867290 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 23281577 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 24867290 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 154154 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 424659 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 578813 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 23281577 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 24867290 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 424659 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 640746 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 2164544 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 23281577 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 24867290 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationTrustInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 0 |
| IRS990/VotingMembersIndependentCnt | 0 | 0 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | TIAA TRUST N A |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TRUST OFFICER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 3142445812 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-25 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | THE CHARLES STARK DRAPER LABORATORY INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | CHAR |
| ReturnHeader/Filer/EIN | 0 | 046745053 |
| ReturnHeader/Filer/PhoneNum | 0 | 3142445812 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 211 NORTH BROADWAY SUITE 1000 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | ST LOUIS |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MO |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 63102 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | false |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 861065772 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | DELOITTE TAX LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 330 RUSH ALLEY SUITE 800 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | COLUMBUS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | OH |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 432153932 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 6142211000 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-11-25 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | KELLY NEUGEBAUER |
| ReturnHeader/ReturnTs | 0 | 2025-12-06T22:01:28-06:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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