Liabilities / Assets
Score unavailable
Liabilities-to-assets requires both liabilities and assets on the latest valid filing.
William E Proudford Sickle Cell
EIN 81-0679590 • 501(c)3 • Dover, DE
Profile
To obtain funds necessary to support efforts to stop the debilitating and life-threatening effects of sickle cell anemia through education, awareness and establishment of an endowment to ensure that efforts to combat this disease would be ongoing.
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
No value available
Liabilities / Revenue
Score unavailable
Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.
Net Margin
12th percentile
Higher net margin than 12% of similar nonprofits.
Top Officer Pay
84th percentile
Higher top officer pay than 84% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
21st percentile
Faster asset growth than 21% of similar nonprofits.
Revenue Growth
12th percentile
Faster revenue growth than 12% of similar nonprofits.
Balance Sheet
Assets
Down$79,600
Down $29,487 (-27%) from 2024
Liabilities
-
No earlier filing loaded for comparison.
Net Assets
Down$79,600
Down $29,487 (-27%) from 2024
Revenue
Up$186,758
Up $82,809 (+80%) from 2024
Expenses
Up$216,245
Up $43,299 (+25%) from 2024
Net Income
Up-$29,487
Up $39,510 (+57%) from 2024
Trend Graphs
Filings
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
- Assets
- $79,600
- Liabilities
- -
- Net assets
- $79,600
- Revenue
- $186,758
- Expenses
- $216,245
- Net income
- -$29,487
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jan 1, 2025 to Dec 31, 2025
- Signed
- Feb 10, 2026
- Return Version
- 2025v4.0
- Gross Receipts
- $191,521
Mission and Program Overview
Mission
To obtain funds necessary to support efforts to stop the debilitating and life-threatening effects of sickle cell anemia through education, awareness and establishment of an endowment to ensure that efforts to combat this disease would be ongoing.
Program Services
| Description | Grants | Expenses |
|---|---|---|
| OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING | $67,933 | $200,906 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| KAREN PROUDFORD | President | PT | $0 | - | - |
| WILLIAM E PROUDFORD II | Secretary/Tr | - | $0 | - | - |
| JOHN MARK ZEBERKIEWICZ | Director | - | $0 | - | - |
| GARETH WARREN | Director | - | $0 | - | - |
Filing and Contact Details
Filer
- Filer Name
- William E Proudford Sickle Cell
- EIN
- 81-0679590
- Phone
- 8888936735
- Address
- 445 BANK LANE UNIT 979, DOVER, DE 19904
Signing Officer
- Name
- William E Proudford Ii
- Title
- Secretary/treasurer
- Phone
- 8888936735
- Signed
- 2026-02-10
Preparer
- Firm
- Atlantic Blue Advisors LLC
- Address
- 34382 CARPENTERS WAY STE 6, LEWES, DE 19958-4919
- Preparer
- Sarah E Dill
- Phone
- 3026445990
Supplemental Narrative
Additional Explanations
Form 990-ez, Part I, Line 10
“Name: christiana care health systems address: 4000 nexus drive wilimington, de 19803 cash contribution: 40,500 noncash contribution: 9,632 description of property: stock”
Form 990-ez, Part I, Line 16
“Expenses promotion 2,670 advertising 3,351 marketing 60,796 office 3,254 travel/conferences 10,337 insurance expense 1,164 taxes and licenses 25 fees 458 dues and subscriptions 500 supplies 255 team incentives 18,213 total 101,023”
Form 990-ez, Part III
“To obtain funds necessary to support efforts to stop the debilitating and life-threatening effects of sickle cell anemia through education, awareness and establishment of an endowment to ensure that efforts to combat this disease would be ongoing.”
Form 990-ez, Part III, Line 28
“Obtain funds necessary to support efforts to stop the debilitating and life-threating effects of sickle cell anemia through education, awareness and establishment of an endowment to ensure that efforts to combat this disease would be ongoing”
Raw XML Appendix158 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 |
|---|---|---|
| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | WILLIAM E PROUDFORD II |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 8888936735 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 445 BANK LANE 979 |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | DOVER |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DE |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 19904 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 109087 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 79600 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 181341 |
| IRS990EZ/CostOrOtherBasisExpenseSaleAmt | 0 | 4763 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | -29487 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 40621 |
| IRS990EZ/FiledScheduleAInd | 0 | true |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 109087 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 79600 |
| IRS990EZ/GainOrLossFromSaleOfAssetsAmt | 0 | 4869 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 67933 |
| IRS990EZ/GrossReceiptsAmt | 0 | 191521 |
| IRS990EZ/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 548 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 109087 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 79600 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 109087 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 79600 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 5850 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 10.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | KAREN PROUDFORD |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | WILLIAM E PROUDFORD II |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | JOHN MARK ZEBERKIEWICZ |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | GARETH WARREN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | SECRETARY/TR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | DIRECTOR |
| IRS990EZ/OperateHospitalInd | 0 | false |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 101023 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | TO OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATENING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING. |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 818 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 67933 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 200906 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/SaleOfAssetsGrossAmt | 0 | 9632 |
| IRS990EZ/SchoolOperatingInd | 0 | false |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 216245 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 200906 |
| IRS990EZ/TotalRevenueAmt | 0 | 186758 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | WWW.WEPSICKLECELL.ORG |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 181341 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 103348 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 299981 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 30338 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 174036 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 789044 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 548 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 601 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3205 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 4354 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 536 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 576 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1112 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 548 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 601 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 3205 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 4354 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.01000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.01000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99450 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.99480 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 790156 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 181341 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 103348 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 299981 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 30874 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 174612 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 790156 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 181889 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 103949 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 303186 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 30874 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 174612 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 794510 |
| 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 | NAME: CHRISTIANA CARE HEALTH SYSTEMS ADDRESS: 4000 NEXUS DRIVE WILIMINGTON, DE 19803 CASH CONTRIBUTION: 40,500 NONCASH CONTRIBUTION: 9,632 DESCRIPTION OF PROPERTY: STOCK |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | EXPENSES PROMOTION 2,670 ADVERTISING 3,351 MARKETING 60,796 OFFICE 3,254 TRAVEL/CONFERENCES 10,337 INSURANCE EXPENSE 1,164 TAXES AND LICENSES 25 FEES 458 DUES AND SUBSCRIPTIONS 500 SUPPLIES 255 TEAM INCENTIVES 18,213 TOTAL 101,023 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | TO OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATENING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | OBTAIN FUNDS NECESSARY TO SUPPORT EFFORTS TO STOP THE DEBILITATING AND LIFE-THREATING EFFECTS OF SICKLE CELL ANEMIA THROUGH EDUCATION, AWARENESS AND ESTABLISHMENT OF AN ENDOWMENT TO ENSURE THAT EFFORTS TO COMBAT THIS DISEASE WOULD BE ONGOING |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART I, LINE 10 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART I, LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART III |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990-EZ, PART III, LINE 28 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | WILLIAM E PROUDFORD II |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | SECRETARY/TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 8888936735 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2026-02-10 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | WILLIAM E PROUDFORD SICKLE CELL |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | FUND INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | WILL |
| ReturnHeader/Filer/EIN | 0 | 810679590 |
| ReturnHeader/Filer/PhoneNum | 0 | 8888936735 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 445 BANK LANE UNIT 979 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | DOVER |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | DE |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 19904 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 931601729 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | ATLANTIC BLUE ADVISORS LLC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 34382 CARPENTERS WAY STE 6 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | LEWES |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | DE |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 199584919 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 3026445990 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2026-02-10 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | SARAH E DILL |
| ReturnHeader/ReturnTs | 0 | 2026-02-21T10:47:03-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2025-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-12-31 |
| ReturnHeader/TaxYr | 0 | 2025 |
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