Civic Intelligence

Rc28 Foundation

990EZ • Fiscal year 2024 • EIN 37-2136270

Mar 02, 2024 to Dec 31, 2024 • Filed on Apr 08, 2025

Organization ProfileRC28FOUNDATION.ORG
1942 Broadway Street Suite 314CBoulder, CO 80302

(415) 928-4161

Siviq Scores

Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.

Liabilities / Assets

Score unavailable

No value available

Liabilities-to-assets requires both liabilities and assets on this filing.

Source year 2024

Liabilities / Revenue

Score unavailable

No value available

Liabilities-to-revenue requires both liabilities and revenue on this filing.

Source year 2024

Net Margin

98th percentile

95%

Higher net margin than 98% of similar nonprofits.

2024 filings • 501(c)3 • <$500k nonprofits • Source year 2024

Top Officer Pay

74th percentile

$0

Higher top officer pay than 74% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

2024 filings • NTEE V • <$500k nonprofits • Source year 2024

Asset Growth

Score unavailable

No value available

No earlier valid filing was available within the previous three public years.

Source year 2024

Revenue Growth

Score unavailable

No value available

No earlier valid filing was available within the previous three public years.

Source year 2024

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

$152,401

No earlier filing loaded for comparison.

Net Assets

$152,401

No earlier filing loaded for comparison.

Liabilities

-

No earlier filing loaded for comparison.

Revenue And Expenses
Liabilities / RevenueScore unavailableNet Margin98th percentile

Revenue

$161,732

No earlier filing loaded for comparison.

Expenses

$7,497

No earlier filing loaded for comparison.

Net Income

$154,235

No earlier filing loaded for comparison.

Historical Trend

Balance Sheet Trend

Asset GrowthScore unavailable

The highlighted filing sits inside the broader history for assets, liabilities, and net assets.

$200K$150K$100K$50K$0Assets 2024: $152,401Net Assets 2024: $152,4012024Assets 2025: $185,013Net Assets 2025: $185,0132025

Highlighted filing

2024

Assets$152,401
Liabilities-
Net Assets$152,401
Open 2024 Filing

Operations Trend

Revenue GrowthScore unavailable

Revenue, expenses, and net income across loaded years, with this filing highlighted.

$200K$150K$100K$50K$0Revenue 2024: $161,732Expenses 2024: $7,497Net Income 2024: $154,2352024Revenue 2025: $41,582Expenses 2025: $16,022Net Income 2025: $25,5602025

Highlighted filing

2024

Revenue$161,732
Expenses$7,497
Net Income$154,235
Open 2024 Filing
Jump To
Filing Snapshot
Filing Period
Mar 2, 2024 to Dec 31, 2024
Signed
Apr 8, 2025
Return Version
2024v5.0
Gross Receipts
$161,732
Mission and Program Overview

Mission

To promote quality scientific research on social stratification & mobility

Program Services

DescriptionGrantsExpenses
CONFERENCES: HOSTED IN COLLABORATION WITH RC28 LOCAL HOSTS, THESE EVENTS ARE PIVOTAL FOR SHARING NEW RESEARCH, ENHANCING INTERNATIONAL COOPERATION, AND PRESENTING TRAVEL GRANTS (5 IN 2024) & 1 SIGNIFICANT SCHOLARSHIP AWARD.-$7,463
Compensation and Service Providers
Top Officer Pay74th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
HIROSHI ISHIDAPresidentPT$0--
JENNIE BRANDVice PresidePT$0--
YULIYA KOSYAKOVASec/TreasurePT$0--
RICHARD ARUMBoard MemberPT$0--
Filing and Contact Details

Filer

Filer Name
Rc28 Foundation
EIN
37-2136270
Phone
4159284161
Address
1942 BROADWAY STREET SUITE 314C, BOULDER, CO 80302

Signing Officer

Name
Hiroshi Ishida
Title
President
Phone
4159284161
Signed
2025-04-08
Discuss with paid preparer
Yes

Preparer

Firm
Marjtax Incorporated
Address
3542 FRUITVALE- AVE PMB 227, OAKLAND, CA 94602
Preparer
Marjorie Williams-jones
Phone
5104826204
Supplemental Narrative

Additional Explanations

Form 990-ez, Part I, Line 16

“Expenses foreign tax paid 34 conference travel awards 6,336 scholarshp awards 1,000 plaques for awards 127 total 7,497”

Form 990-ez, Part I, Line 20

“Unrealized losses on investments -1,834”

Raw XML Appendix130 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/BooksInCareOfDetail/PersonNm0HIROSHI ISHIDA
IRS990EZ/BooksInCareOfDetail/PhoneNum04159284161
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt01942 BROADWAY STREET
IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine2Txt0SUITE 314C
IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0BOULDER
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0CO
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd080302
IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt0152401
IRS990EZ/ChgMadeToOrgnzngDocNotRptInd0false
IRS990EZ/ContributionsGiftsGrantsEtcAmt0156123
IRS990EZ/DonorAdvisedFndsInd0false
IRS990EZ/EngagedInExcessBenefitTransInd0false
IRS990EZ/ExcessOrDeficitForYearAmt0154235
IRS990EZ/FiledScheduleAInd0true
IRS990EZ/ForeignFinancialAccountInd0false
IRS990EZ/ForeignOfficeInd0false
IRS990EZ/Form1120PolFiledInd0false
IRS990EZ/Form990TotalAssetsGrp/BOYAmt00
IRS990EZ/Form990TotalAssetsGrp/EOYAmt0152401
IRS990EZ/GainOrLossFromSaleOfAssetsAmt01199
IRS990EZ/GrossReceiptsAmt0161732
IRS990EZ/InfoInScheduleOPartIInd0X
IRS990EZ/InitialReturnInd0X
IRS990EZ/InvestmentIncomeAmt02450
IRS990EZ/LobbyingActivitiesInd0false
IRS990EZ/MadeLoansToFromOfficersInd0false
IRS990EZ/MethodOfAccountingAccrualInd0X
IRS990EZ/NetAssetsOrFundBalancesEOYAmt0152401
IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt00
IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt0152401
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt05.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt15.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt25.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt35.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt30
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0HIROSHI ISHIDA
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1JENNIE BRAND
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2YULIYA KOSYAKOVA
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm3RICHARD ARUM
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0PRESIDENT
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1VICE PRESIDE
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2SEC/TREASURE
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt3BOARD MEMBER
IRS990EZ/OperateHospitalInd0false
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd0false
IRS990EZ/OrganizationHadUBIInd0false
IRS990EZ/OtherChangesInNetAssetsAmt0-1834
IRS990EZ/OtherExpensesTotalAmt07497
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd0false
IRS990EZ/PrimaryExemptPurposeTxt0TO PROMOTE QUALITY SCIENTIFIC RESEARCH ON SOCIAL STRATIFICATION & MOBILITY
IRS990EZ/ProgramServiceRevenueAmt01960
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0CONFERENCES: HOSTED IN COLLABORATION WITH RC28 LOCAL HOSTS, THESE EVENTS ARE PIVOTAL FOR SHARING NEW RESEARCH, ENHANCING INTERNATIONAL COOPERATION, AND PRESENTING TRAVEL GRANTS (5 IN 2024) & 1 SIGNIFICANT SCHOLARSHIP AWARD.
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt07463
IRS990EZ/ProhibitedTaxShelterTransInd0false
IRS990EZ/RelatedOrganizationCtrlEntInd0false
IRS990EZ/SaleOfAssetsGrossAmt01199
IRS990EZ/SchoolOperatingInd0false
IRS990EZ/SubjectToProxyTaxInd0false
IRS990EZ/TanningServicesProvidedInd0false
IRS990EZ/TotalExpensesAmt07497
IRS990EZ/TotalProgramServiceExpensesAmt07463
IRS990EZ/TotalRevenueAmt0161732
IRS990EZ/TransactionWithControlEntInd0false
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0RC28FOUNDATION.ORG
IRS990ScheduleA/First5Years509Ind0X
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt0156123
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt0156123
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt01687
IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt01687
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt02723
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt02723
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt01687
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt01687
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportTotal509Amt0158846
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt0158846
IRS990ScheduleA/Total509Grp/TotalAmt0158846
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt0160533
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0160533
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0EXPENSES FOREIGN TAX PAID 34 CONFERENCE TRAVEL AWARDS 6,336 SCHOLARSHP AWARDS 1,000 PLAQUES FOR AWARDS 127 TOTAL 7,497
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1UNREALIZED LOSSES ON INVESTMENTS -1,834
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990-EZ, PART I, LINE 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990-EZ, PART I, LINE 20
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0HIROSHI ISHIDA
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0PRESIDENT
ReturnHeader/BusinessOfficerGrp/PhoneNum04159284161
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-04-08
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0RC28 FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt0RC28
ReturnHeader/Filer/EIN0372136270
ReturnHeader/Filer/PhoneNum04159284161
ReturnHeader/Filer/USAddress/AddressLine1Txt01942 BROADWAY STREET SUITE 314C
ReturnHeader/Filer/USAddress/CityNm0BOULDER
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CO
ReturnHeader/Filer/USAddress/ZIPCd080302
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0false
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0454570537
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0MARJTAX INCORPORATED
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt03542 FRUITVALE- AVE PMB 227
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0OAKLAND
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd094602
ReturnHeader/PreparerPersonGrp/PhoneNum05104826204
ReturnHeader/PreparerPersonGrp/PreparationDt02025-04-08
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0MARJORIE WILLIAMS-JONES
ReturnHeader/PreparerPersonGrp/SelfEmployedInd0X
ReturnHeader/ReturnTs02025-04-09T15:30:56-04:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02024-03-02
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

Document Assets

No mirrored PDF or thumbnail assets are attached yet.

Filings

Displayed year

2024 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$152,401
Liabilities
-
Net assets
$152,401
Revenue
$161,732
Expenses
$7,497
Net income
$154,235
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$1.85$1.85$0.42$0.16$0.26
2024Detailed filing. Detailed filing data is available for this year.$1.52$1.52$1.62$0.07$1.54