Computer History Museum
990T • Fiscal year 2025 • EIN 77-0507525
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Assets
-
No earlier filing loaded for comparison.
Net Assets
-
No earlier filing loaded for comparison.
Liabilities
-
No earlier filing loaded for comparison.
Revenue
-
No earlier filing loaded for comparison.
Expenses
-
No earlier filing loaded for comparison.
Net Income
-
No earlier filing loaded for comparison.
- Filing Period
- Jul 1, 2024 to Jun 30, 2025
- Signed
- Feb 24, 2026
- Return Version
- 2024v5.5
Mission
Chm decodes technology - its computing past, digital present, and future impact on humanity.
Filer
- Filer Name
- Computer History Museum
- EIN
- 77-0507525
- Phone
- 6508101010
- Address
- 1401 N SHORELINE BLVD, MOUNTAIN VIEW, CA 94043
Signing Officer
- Name
- George Holmes
- Title
- CFO
- Phone
- 6508101010
- Signed
- 2026-02-24
- Discuss with paid preparer
- Yes
Preparer
- Firm
- Armanino Advisory LLC
- Address
- 2700 CAMINO RAMON STE 350, SAN RAMON, CA 94583-5004
- Preparer
- Katy Brown
- Phone
- 9257902600
Raw XML Appendix145 raw XML fields
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS1120ScheduleD/DisposeInvestmentQOFInd | 0 | 0 |
| IRS1120ScheduleD/ExcNetSTGainOverNetLTLossAmt | 0 | 14157 |
| IRS1120ScheduleD/Form4797GainOrLossAmt | 0 | 7264 |
| IRS1120ScheduleD/NetCapitalGainAmt | 0 | 43750 |
| IRS1120ScheduleD/NetLTCapitalGainOrLossAmt | 0 | 43750 |
| IRS1120ScheduleD/NetSTCapitalGainOrLossAmt | 0 | 14157 |
| IRS1120ScheduleD/TotalLTCGL1099BNotReceivedGrp/TotalGainOrLossAmt | 0 | 36486 |
| IRS1120ScheduleD/TotalSTCGL1099BNotReceivedGrp/TotalGainOrLossAmt | 0 | 14157 |
| IRS8949/LongTermCapitalGainAndLossGrp/CapitalGainAndLossAssetGrp/GainOrLossAmt | 0 | 36486 |
| IRS8949/LongTermCapitalGainAndLossGrp/CapitalGainAndLossAssetGrp/PropertyDesc | 0 | PASSIVE PASSTHROUGH UBTI |
| IRS8949/LongTermCapitalGainAndLossGrp/TotalGainOrLossAmt | 0 | 36486 |
| IRS8949/LongTermCapitalGainAndLossGrp/TransactionsNotRptedOn1099BInd | 0 | X |
| IRS8949/ShortTermCapitalGainAndLossGrp/CapitalGainAndLossAssetGrp/GainOrLossAmt | 0 | 14157 |
| IRS8949/ShortTermCapitalGainAndLossGrp/CapitalGainAndLossAssetGrp/PropertyDesc | 0 | PASSIVE PASSTHROUGH UBTI |
| IRS8949/ShortTermCapitalGainAndLossGrp/TotalGainOrLossAmt | 0 | 14157 |
| IRS8949/ShortTermCapitalGainAndLossGrp/TransactionsNotRptedOn1099BInd | 0 | X |
| IRS990T/BooksInCareOfDetail/PersonNm | 0 | GEORGE HOLMES |
| IRS990T/BooksInCareOfDetail/PhoneNum | 0 | 6508101008 |
| IRS990T/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1401 N SHORELINE BLVD |
| IRS990T/BooksInCareOfDetail/USAddress/CityNm | 0 | MOUNTAIN VIEW |
| IRS990T/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990T/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94043 |
| IRS990T/BookValueAssetsEOYAmt | 0 | 72658741 |
| IRS990T/CharitableContributionsDedAmt | 0 | 20443 |
| IRS990T/EstimatedTaxPaymentsAmt | 0 | 6948 |
| IRS990T/ExtsnRequestIncomeTaxPaidAmt | 0 | 30000 |
| IRS990T/ForeignAccountsQuestionInd | 0 | 0 |
| IRS990T/ForeignTrustQuestionInd | 0 | 0 |
| IRS990T/Form990TScheduleAAttachedCnt | 0 | 2 |
| IRS990T/Organization501cCorporationInd | 0 | X |
| IRS990T/Organization501IndicatorGrp/Organization501cTypeTxt | 0 | c3 |
| IRS990T/Organization501IndicatorGrp/Organization501Ind | 0 | X |
| IRS990T/OtherTaxesAmt | 0 | 0 |
| IRS990T/OverpaymentSection/AppliedToESTaxAmt | 0 | 22763 |
| IRS990T/OverpaymentSection/OverpaymentAmt | 0 | 22763 |
| IRS990T/OverpaymentSection/RefundAmt | 0 | 0 |
| IRS990T/PaidTaxLiabilityAmt | 0 | 0 |
| IRS990T/PriorYearOverpaymentCreditAmt | 0 | 24452 |
| IRS990TScheduleA/CapitalGainNetIncomeAmt | 0 | 57907 |
| IRS990TScheduleA/NetOperatingLossDeductionAmt | 0 | 0 |
| IRS990TScheduleA/NetOperatingLossDeductionAmt | 1 | 0 |
| IRS990TScheduleA/NetUnrelatedDebtFincdIncmAmt | 0 | 105425 |
| IRS990TScheduleA/OtherDeductionsAmt | 0 | 1500 |
| IRS990TScheduleA/OtherDeductionsAmt | 1 | 1500 |
| IRS990TScheduleA/PrincipalBusinessActivityCd | 0 | 901101 |
| IRS990TScheduleA/PrincipalBusinessActivityCd | 1 | 901101 |
| IRS990TScheduleA/SequenceReferenceNum | 0 | 1 |
| IRS990TScheduleA/SequenceReferenceNum | 1 | 2 |
| IRS990TScheduleA/SequenceTotalNum | 0 | 2 |
| IRS990TScheduleA/SequenceTotalNum | 1 | 2 |
| IRS990TScheduleA/TaxesAndLicensesAmt | 0 | 6921 |
| IRS990TScheduleA/TaxesAndLicensesAmt | 1 | 22066 |
| IRS990TScheduleA/TotalAllocableDeductionsAmt | 0 | 84930 |
| IRS990TScheduleA/TotalAllocableDeductionsAmt | 1 | 0 |
| IRS990TScheduleA/TotalCtrlOrgDeductionAmt | 0 | 0 |
| IRS990TScheduleA/TotalCtrlOrgDeductionAmt | 1 | 0 |
| IRS990TScheduleA/TotalCtrlOrgPymtGrossIncmAmt | 0 | 0 |
| IRS990TScheduleA/TotalCtrlOrgPymtGrossIncmAmt | 1 | 0 |
| IRS990TScheduleA/TotalDeductionsAmt | 0 | 8421 |
| IRS990TScheduleA/TotalDeductionsAmt | 1 | 23566 |
| IRS990TScheduleA/TotalDeductionSetAsidesAmt | 0 | 0 |
| IRS990TScheduleA/TotalDeductionSetAsidesAmt | 1 | 0 |
| IRS990TScheduleA/TotalDirectAdvertisingCostAmt | 0 | 0 |
| IRS990TScheduleA/TotalDirectAdvertisingCostAmt | 1 | 0 |
| IRS990TScheduleA/TotalDividendsReceivedDedAmt | 0 | 0 |
| IRS990TScheduleA/TotalDividendsReceivedDedAmt | 1 | 0 |
| IRS990TScheduleA/TotalGrossAdvertisingIncomeAmt | 0 | 0 |
| IRS990TScheduleA/TotalGrossAdvertisingIncomeAmt | 1 | 0 |
| IRS990TScheduleA/TotalGrossDebtFinancedIncmAmt | 0 | 190355 |
| IRS990TScheduleA/TotalGrossDebtFinancedIncmAmt | 1 | 0 |
| IRS990TScheduleA/TotalInvestmentIncomeAmt | 0 | 0 |
| IRS990TScheduleA/TotalInvestmentIncomeAmt | 1 | 0 |
| IRS990TScheduleA/TotalPrtshpSCorpIncomeAmt | 0 | 74082 |
| IRS990TScheduleA/TotalRentDeductionsAmt | 0 | 0 |
| IRS990TScheduleA/TotalRentDeductionsAmt | 1 | 0 |
| IRS990TScheduleA/TotalRentIncomeAmt | 0 | 0 |
| IRS990TScheduleA/TotalRentIncomeAmt | 1 | 0 |
| IRS990TScheduleA/TotalUnrelatedBusinessCompAmt | 0 | 0 |
| IRS990TScheduleA/TotalUnrelatedBusinessCompAmt | 1 | 0 |
| IRS990TScheduleA/TotExcessReadershipCostsDedAmt | 0 | 0 |
| IRS990TScheduleA/TotExcessReadershipCostsDedAmt | 1 | 0 |
| IRS990TScheduleA/TotNetUnrltTrdBusIncmAmt | 0 | 105425 |
| IRS990TScheduleA/TotNetUnrltTrdBusIncmAmt | 1 | 131989 |
| IRS990TScheduleA/TotUnrltTrdBusIncmAmt | 0 | 190355 |
| IRS990TScheduleA/TotUnrltTrdBusIncmAmt | 1 | 131989 |
| IRS990TScheduleA/TotUnrltTrdBusIncmExpnssAmt | 0 | 84930 |
| IRS990TScheduleA/TotUnrltTrdBusIncmExpnssAmt | 1 | 0 |
| IRS990TScheduleA/TradeOrBusinessDesc | 0 | FREMONT-MILMONT TENANCY |
| IRS990TScheduleA/TradeOrBusinessDesc | 1 | DEBT-FINANCED PASSTHROUGH INVESTMENTS |
| IRS990TScheduleA/UBIBeforeNOLDedAmt | 0 | 97004 |
| IRS990TScheduleA/UBIBeforeNOLDedAmt | 1 | 108423 |
| IRS990TScheduleA/UnrelatedBusinessTaxblIncmAmt | 0 | 97004 |
| IRS990TScheduleA/UnrelatedBusinessTaxblIncmAmt | 1 | 108423 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/AllocableDeductionAmt | 0 | 84930 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/AverageAcquisitionAdjBasisPct | 0 | 0.44115 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/AverageAcquisitionDebtAmt | 0 | 1090266 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/AverageAdjustedBasisAmt | 0 | 2471409 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/GrossIncomeAmt | 0 | 431497 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/GrossIncomeReportableAmt | 0 | 190355 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/OtherDebtFinancedDeductionAmt | 0 | 120707 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/PropertyDesc | 0 | FREMONT-MILMONT TENANCY |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/StraightLineDepreciationDedAmt | 0 | 71812 |
| IRS990TScheduleA/UnrelatedDebtFinancedPropGrp/TotalDebtFinancedDeductionAmt | 0 | 192519 |
| IRS990T/SpecificDeductionAmt | 0 | 1000 |
| IRS990T/SubsidiaryCorporationInd | 0 | 0 |
| IRS990T/TaxableCorporationAmt | 0 | 38637 |
| IRS990T/TaxLessCreditsAmt | 0 | 38637 |
| IRS990T/TotalDeductionAmt | 0 | 1000 |
| IRS990T/TotalPaymentsAmt | 0 | 61400 |
| IRS990T/TotalTaxAmt | 0 | 38637 |
| IRS990T/TotalTaxComputationAmt | 0 | 38637 |
| IRS990T/TotalUBTIAmt | 0 | 183984 |
| IRS990T/TotalUBTIBeforeNOLSpecificAmt | 0 | 184984 |
| IRS990T/TotalUBTIBeforeSection199AAmt | 0 | 184984 |
| IRS990T/TotalUBTIComputedAmt | 0 | 205427 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | GEORGE HOLMES |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | CFO |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6508101010 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-02-24 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | COMPUTER HISTORY MUSEUM |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | COMP |
| ReturnHeader/Filer/EIN | 0 | 770507525 |
| ReturnHeader/Filer/PhoneNum | 0 | 6508101010 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 1401 N SHORELINE BLVD |
| ReturnHeader/Filer/USAddress/CityNm | 0 | MOUNTAIN VIEW |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 94043 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 946214841 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | ARMANINO ADVISORY LLC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 2700 CAMINO RAMON STE 350 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | SAN RAMON |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 945835004 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 9257902600 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2026-02-24 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | KATY BROWN |
| ReturnHeader/ReturnTs | 0 | 2026-02-24T13:39:00-06:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990T |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
Document Assets
No mirrored PDF or thumbnail assets are attached yet.
Filings
Displayed year
2025 • Form 990TFacts available. Structured filing facts are available, but richer extracted sections are limited.
- Assets
- -
- Liabilities
- -
- Net assets
- -
- Revenue
- -
- Expenses
- -
- Net income
- -