Civic Intelligence

STEM Therapeutics Inc

EIN 99-3860559 • San Diego, CA

NTEE H30

Profile

The mission of Stem Therapeutics, Inc. is to develop universal stem cell-derived cellular therapies to treat diverse cancer patients with high unmet medical need to enable increased access to effective and safe cancer cell therapies close to home (the "Mission"). Stem Therapeutics is exempt under 501(c)(3) with public charity status of 170(b)(1)(A)(vi).

4537 45th StSan Diego, CA 92115

www.stem-tx.com

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

72nd percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

NTEE H • <$500k nonprofits • Source year 2025

Liabilities / Revenue

Score unavailable

No value available

Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.

Source year 2025

Net Margin

Score unavailable

No value available

Net margin requires both revenue and expenses on the latest valid filing.

Source year 2025

Top Officer Pay

92nd percentile

$0

Higher top officer pay than 92% of similar nonprofits.

NTEE H • <$500k nonprofits • Source year 2025

Asset Growth

24th percentile

-22%

Faster asset growth than 24% of similar nonprofits.

NTEE H • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

4th percentile

-100%

Faster revenue growth than 4% of similar nonprofits.

NTEE H • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets72nd percentile

Assets

Down

$1,611

Down $462 (-22%) from 2024

Liabilities

Flat

$0

Flat from 2024

Net Assets

Down

$1,611

Down $462 (-22%) from 2024

Operations
Liabilities / RevenueScore unavailableNet MarginScore unavailable

Revenue

Down

$0

Down $11,000 (-100%) from 2024

Expenses

Down

$462

Down $8,465 (-95%) from 2024

Net Income

Down

-$462

Down $2,535 (-122%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth24th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$3.0K$2.0K$1.0K$0Assets 2024: $2,073Liabilities 2024: $0Net Assets 2024: $2,0732024Assets 2025: $1,611Liabilities 2025: $0Net Assets 2025: $1,6112025

Highlighted filing

2025

Assets$1,611
Liabilities$0
Net Assets$1,611
Open 2025 Filing

Operations Trend

Revenue Growth4th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$15K$10K$5.0K$0-$5.0KRevenue 2024: $11,000Expenses 2024: $8,927Net Income 2024: $2,0732024Revenue 2025: $0Expenses 2025: $462Net Income 2025: -$4622025

Highlighted filing

2025

Revenue$0
Expenses$462
Net Income-$462
Open 2025 Filing

Filings

Most recent year

2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$1,611
Liabilities
$0
Net assets
$1,611
Revenue
$0
Expenses
$462
Net income
-$462
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$1.61$0.00$1.61$0.00$0.46$0.46
2024XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$2.07$0.00$2.07$11.0$8.93$2.07
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Feb 21, 2026
Return Version
2025v4.0
Gross Receipts
$0
Mission and Program Overview

Mission

The mission of Stem Therapeutics, Inc. is to develop universal stem cell-derived cellular therapies to treat diverse cancer patients with high unmet medical need to enable increased access to effective and safe cancer cell therapies close to home (the "Mission"). Stem Therapeutics is exempt under 501(c)(3) with public charity status of 170(b)(1)(A)(vi).

Program Services

DescriptionGrantsExpenses
none in 2025$0$0
Compensation and Service Providers
Top Officer Pay92nd percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Anthony ConwayPresident / Director-$0--
Howard FederoffSecretary / Chair Of The Board-$0--
David SchafferTreasurer / Director-$0--
Filing and Contact Details

Filer

Filer Name
Stem Therapeutics Inc
EIN
99-3860559
Phone
6192185912
Address
4537 45th St, San Diego, CA 92115

Signing Officer

Name
Anthony Conway
Title
CEO/President/Director
Phone
6192185912
Signed
2026-02-21
Raw XML Appendix170 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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IRS990EZ/BenefitsPaidToOrForMembersAmt00
IRS990EZ/BooksInCareOfDetail/PersonNm0Anthony Conway
IRS990EZ/BooksInCareOfDetail/PhoneNum06192185912
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt04537 45th St
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0San Diego
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0CA
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd092115
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt02073
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt01611
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd00
IRS990EZ/ContributionsGiftsGrantsEtcAmt00
IRS990EZ/CostOfGoodsSoldAmt00
IRS990EZ/CostOrOtherBasisExpenseSaleAmt00
IRS990EZ/DirectIndirectPltclExpendAmt00
IRS990EZ/DonorAdvisedFndsInd00
IRS990EZ/EngagedInExcessBenefitTransInd00
IRS990EZ/ExcessOrDeficitForYearAmt0-462
IRS990EZ/FeesAndOtherPymtToIndCntrctAmt0462
IRS990EZ/FiledScheduleAInd01
IRS990EZ/ForeignFinancialAccountInd00
IRS990EZ/ForeignOfficeInd00
IRS990EZ/Form1120PolFiledInd00
IRS990EZ/Form990TotalAssetsGrp/BOYAmt02073
IRS990EZ/Form990TotalAssetsGrp/EOYAmt01611
IRS990EZ/FundraisingGrossIncomeAmt00
IRS990EZ/GainOrLossFromSaleOfAssetsAmt00
IRS990EZ/GamingGrossIncomeAmt00
IRS990EZ/GrantsAndSimilarAmountsPaidAmt00
IRS990EZ/GrossProfitLossSlsOfInvntryAmt00
IRS990EZ/GrossReceiptsAmt00
IRS990EZ/GrossSalesOfInventoryAmt00
IRS990EZ/InvestmentIncomeAmt00
IRS990EZ/LandAndBuildingsGrp/BOYAmt00
IRS990EZ/LandAndBuildingsGrp/EOYAmt00
IRS990EZ/LobbyingActivitiesInd00
IRS990EZ/MadeLoansToFromOfficersInd00
IRS990EZ/MembershipDuesAmt00
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt02073
IRS990EZ/NetAssetsOrFundBalancesEOYAmt01611
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IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt01611
IRS990EZ/OccupancyRentUtltsAndMaintAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt01
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0Anthony Conway
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1Howard Federoff
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2David Schaffer
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0President / Director
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1Secretary / Chair of the Board
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Treasurer / Director
IRS990EZ/OperateHospitalInd00
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd00
IRS990EZ/OrganizationHadUBIInd00
IRS990EZ/OtherAssetsTotalDetail/BOYAmt00
IRS990EZ/OtherAssetsTotalDetail/EOYAmt00
IRS990EZ/OtherChangesInNetAssetsAmt00
IRS990EZ/OtherExpensesTotalAmt00
IRS990EZ/OtherRevenueTotalAmt00
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd00
IRS990EZ/PrimaryExemptPurposeTxt0The mission of Stem Therapeutics, Inc. is to develop universal stem cell-derived cellular therapies to treat diverse cancer patients with high unmet medical need to enable increased access to effective and safe cancer cell therapies close to home (the "Mission"). Stem Therapeutics is exempt under 501(c)(3) with public charity status of 170(b)(1)(A)(vi).
IRS990EZ/PrintingPublicationsPostageAmt00
IRS990EZ/ProgramServiceRevenueAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0none in 2025
IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt00
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt00
IRS990EZ/ProhibitedTaxShelterTransInd00
IRS990EZ/RelatedOrganizationCtrlEntInd00
IRS990EZ/SalariesOtherCompEmplBnftAmt00
IRS990EZ/SaleOfAssetsGrossAmt00
IRS990EZ/ScheduleBNotRequiredInd0X
IRS990EZ/SchoolOperatingInd00
IRS990EZ/SpecialEventsDirectExpensesAmt00
IRS990EZ/SpecialEventsNetIncomeLossAmt00
IRS990EZ/StatesWhereCopyOfReturnIsFldCd0CA
IRS990EZ/SubjectToProxyTaxInd00
IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt00
IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt00
IRS990EZ/TanningServicesProvidedInd00
IRS990EZ/TaxImposedOnOrganizationMgrAmt00
IRS990EZ/TaxImposedUnderIRC4911Amt00
IRS990EZ/TaxImposedUnderIRC4912Amt00
IRS990EZ/TaxImposedUnderIRC4955Amt00
IRS990EZ/TaxReimbursedByOrganizationAmt00
IRS990EZ/TotalExpensesAmt0462
IRS990EZ/TotalProgramServiceExpensesAmt00
IRS990EZ/TotalRevenueAmt00
IRS990EZ/TransactionWithControlEntInd00
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd00
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0https://www.stem-tx.com
IRS990ScheduleA/First5Years170Ind0X
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt011000
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt011000
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus1YearAmt00
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt00
IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt00
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt00
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/OtherIncome170Grp/TotalAmt00
IRS990ScheduleA/PublicOrganization170Ind0X
IRS990ScheduleA/PublicSupportTotal170Amt011000
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus1YearAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt00
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt011000
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt011000
IRS990ScheduleA/TotalSupportAmt011000
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus1YearAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt00
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Anthony Conway
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0CEO/President/Director
ReturnHeader/BusinessOfficerGrp/PhoneNum06192185912
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-02-21
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0STEM THERAPEUTICS INC
ReturnHeader/Filer/BusinessNameControlTxt0STEM
ReturnHeader/Filer/EIN0993860559
ReturnHeader/Filer/PhoneNum06192185912
ReturnHeader/Filer/USAddress/AddressLine1Txt04537 45th St
ReturnHeader/Filer/USAddress/CityNm0San Diego
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA
ReturnHeader/Filer/USAddress/ZIPCd092115
ReturnHeader/ReturnTs02026-02-21T14:25:22-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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