Civic Intelligence

The William S Perper Foundation

EIN 45-6337299 • New York, NY

One Rockefeller Plaza 3rd FloorNew York, NY 10020
Siviq Scores

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

Liabilities / Assets

30th percentile

0.00x

Higher debt load relative to assets than 30% of similar nonprofits.

$1M-$5M nonprofits • Source year 2023

Liabilities / Revenue

32nd percentile

0.00x

Higher debt load relative to revenue than 32% of similar nonprofits.

$1M-$5M nonprofits • Source year 2023

Net Margin

2nd percentile

-281%

Higher net margin than 2% of similar nonprofits.

$1M-$5M nonprofits • Source year 2023

Top Officer Pay

69th percentile

$1,818

Higher top officer pay than 69% of similar nonprofits.

Top officer pay equals 1.9% of source-year revenue.

$1M-$5M nonprofits • Source year 2019

Asset Growth

13th percentile

-9.8%

Faster asset growth than 13% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2022 to 2023

Revenue Growth

11th percentile

-32%

Faster revenue growth than 11% of similar nonprofits.

$1M-$5M nonprofits • Annualized from 2022 to 2023

Using 2024 Form 990PF data because the latest 2025 filing does not report standard financial totals.

Assets

Down

$967,113

Down $52,578 (-5.2%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Down

$967,113

Down $52,578 (-5.2%) from 2023

Revenue

Up

$62,212

Up $6,398 (+11%) from 2023

Expenses

Down

$148,952

Down $63,805 (-30%) from 2023

Net Income

Up

-$86,740

Up $70,203 (+45%) from 2023

Trend Graphs

Balance Sheet Trend

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

$4.0M$3.0M$2.0M$1.0M$0Assets 2012: $3,425,350Liabilities 2012: $0Net Assets 2012: $3,425,3502012Assets 2013: $3,334,835Liabilities 2013: $0Net Assets 2013: $3,334,8352013Assets 2014: $2,956,282Liabilities 2014: $0Net Assets 2014: $2,956,2822014Assets 2015: $2,527,649Liabilities 2015: $0Net Assets 2015: $2,527,6492015Assets 2016: $2,197,433Liabilities 2016: $0Net Assets 2016: $2,197,4332016Assets 2017: $2,115,454Liabilities 2017: $0Net Assets 2017: $2,115,4542017Assets 2018: $1,712,561Liabilities 2018: $0Net Assets 2018: $1,712,5612018Assets 2019: $1,720,855Liabilities 2019: $0Net Assets 2019: $1,720,8552019Assets 2020: $1,670,953Liabilities 2020: $0Net Assets 2020: $1,670,9532020Assets 2021: $1,555,426Liabilities 2021: $0Net Assets 2021: $1,555,4262021Assets 2022: $1,130,642Liabilities 2022: $0Net Assets 2022: $1,130,6422022Assets 2023: $1,019,691Liabilities 2023: $0Net Assets 2023: $1,019,6912023Assets 2024: $967,113Liabilities 2024: $0Net Assets 2024: $967,1132024

Latest loaded filing

2024

Assets$967,113
Liabilities$0
Net Assets$967,113

Operations Trend

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

$500K$0-$500KExpenses 2012: $360,7442012Revenue 2013: $72,278Expenses 2013: $309,433Net Income 2013: -$237,1552013Revenue 2014: $107,948Expenses 2014: $437,545Net Income 2014: -$329,5972014Revenue 2015: $135,191Expenses 2015: $426,452Net Income 2015: -$291,2612015Revenue 2016: $22,850Expenses 2016: $406,760Net Income 2016: -$383,9102016Revenue 2017: $57,390Expenses 2017: $280,915Net Income 2017: -$223,5252017Revenue 2018: $66,146Expenses 2018: $341,545Net Income 2018: -$275,3992018Revenue 2019: $94,926Expenses 2019: $240,677Net Income 2019: -$145,7512019Revenue 2020: $134,870Expenses 2020: $249,037Net Income 2020: -$114,1672020Revenue 2021: $114,357Expenses 2021: $283,150Net Income 2021: -$168,7932021Revenue 2022: $81,582Expenses 2022: $264,942Net Income 2022: -$183,3602022Revenue 2023: $55,814Expenses 2023: $212,757Net Income 2023: -$156,9432023Revenue 2024: $62,212Expenses 2024: $148,952Net Income 2024: -$86,7402024

Latest loaded filing

2024

Revenue$62,212
Expenses$148,952
Net Income-$86,740

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.
2024Detailed filing. Detailed filing data is available for this year.$0.97$0.00$0.97$0.06$0.15$0.09
2023Detailed filing. Detailed filing data is available for this year.$1.02$0.00$1.02$0.06$0.21$0.16
2022Detailed filing. Detailed filing data is available for this year.$1.13$0.00$1.13$0.08$0.26$0.18
2021Detailed filing. Detailed filing data is available for this year.$1.56$0.00$1.56$0.11$0.28$0.17
2020Detailed filing. Detailed filing data is available for this year.$1.67$0.00$1.67$0.13$0.25$0.11
2019Detailed filing. Detailed filing data is available for this year.$1.72$0.00$1.72$0.09$0.24$0.15
2018Detailed filing. Detailed filing data is available for this year.$1.71$0.00$1.71$0.07$0.34$0.28
2017Detailed filing. Detailed filing data is available for this year.$2.12$0.00$2.12$0.06$0.28$0.22
2016Detailed filing. Detailed filing data is available for this year.$2.20$0.00$2.20$0.02$0.41$0.38
2015Detailed filing. Detailed filing data is available for this year.$2.53$0.00$2.53$0.14$0.43$0.29
2014Detailed filing. Detailed filing data is available for this year.$2.96$0.00$2.96$0.11$0.44$0.33
2013Detailed filing. Detailed filing data is available for this year.$3.33$0.00$3.33$0.07$0.31$0.24
2012Detailed filing. Detailed filing data is available for this year.$3.43$0.00$3.43$0.36
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Mar 18, 2026
Return Version
2025v4.0
Compensation and Service Providers

Employees

NameTitleFull / Part TimeBaseOtherTotal
JAMES A PURDYTrustee-$0--
KEVIN C SUNKELTrustee-$0--
JAMES COLEMANTrustee-$0--
Grants and Assistance

Foundation Grants and Related Investments

TypeRecipientPurposeStatusLocationAmount
Paid GrantFIFTH AVENUE PRESYBTERIAN CHURCHSTEINWAY CONCERT PIANO - 2ND HALF-NEW YORK, NY, US$60,000
Paid GrantFIFTH AVENUE PRESYBTERIAN CHURCHACOUSTIC UNDERCOATING FOR CHAPEL-NEW YORK, NY, US$50,000
Paid GrantINTERNATIONAL TENNIS HALL OF FAMEGENERAL SUPPORT-NEWPORT, RI, US$30,000
Paid GrantJACK DEVITO FOUNDATIONGENERAL OPERATING-YORKTOWN HEIGHTS, NY, US$30,000
Paid GrantMUSKINGUM UNIVERSITYGENERAL OPERATING-NEW CONCORD, OH, US$30,000
Filing and Contact Details

Filer

Filer Name
The William S Perper Foundation
EIN
45-6337299
Phone
2124898104
Address
ONE ROCKEFELLER PLAZA 3RD FLOOR, NEW YORK, NY 10020

Signing Officer

Name
James Purdy
Title
Trustee
Phone
2124898104
Signed
2026-03-18
Discuss with paid preparer
Yes

Preparer

Firm
Sax Advisors LLC
Address
1040 AVENUE OF THE AMERICAS-16TH FL, NEW YORK, NY 10018
Preparer
Kevin Sunkel
Phone
2126857000
Raw XML Appendix386 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.

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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd0NY
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd1NY
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd2NY
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd010020
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd110020
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd210020
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OtherEmployeePaidOver50kCnt00
IRS990PF/Organization501c3ExemptPFInd0X
IRS990PF/PFQualifyingDistributionsGrp/ExpensesAndContributionsAmt0200100
IRS990PF/PFQualifyingDistributionsGrp/ProgramRelatedInvstTotalAmt00
IRS990PF/PFQualifyingDistributionsGrp/QualifyingDistributionsAmt0200100
IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd00
IRS990PF/StatementsRegardingActy4720Grp/BusinessHoldingsInd00
IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd00
IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd00
IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd00
IRS990PF/StatementsRegardingActy4720Grp/InfluenceElectionInd00
IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd00
IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd00
IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd00
IRS990PF/StatementsRegardingActy4720Grp/PayCompDisqualifiedPrsnInd00
IRS990PF/StatementsRegardingActy4720Grp/PaymentToGovernmentOfficialInd00
IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd00
IRS990PF/StatementsRegardingActy4720Grp/ProhibitedTaxShelterTransInd00
IRS990PF/StatementsRegardingActy4720Grp/RcvFndsToPayPrsnlBnftCntrctInd00
IRS990PF/StatementsRegardingActy4720Grp/SaleOrExchDisqualifiedPrsnInd00
IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd00
IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd00
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd00
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd00
IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd00
IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd00
IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd01
IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd00
IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd01
IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd00
IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd00
IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd00
IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd01
IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd00
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt0ONE ROCKEFELLER PLAZA 3RD FLOOR
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm0NEW YORK
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd0NY
IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd010020
IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd00
IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd00
IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd00
IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd0NY
IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd00
IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt0THE FOUNDATION
IRS990PF/StatementsRegardingActyGrp/PhoneNum02124898104
IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd00
IRS990PF/StatementsRegardingActyGrp/Section4955ManagersTaxAmt00
IRS990PF/StatementsRegardingActyGrp/Section4955OrganizationTaxAmt00
IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd01
IRS990PF/StatementsRegardingActyGrp/TaxReimbursedAmt00
IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd00
IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt0N/A
IRS990PF/SumOfProgramRelatedInvstGrp/TotalAmt00
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt060000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt150000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt230000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt330000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt430000
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt0STEINWAY CONCERT PIANO - 2ND HALF
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt1ACOUSTIC UNDERCOATING FOR CHAPEL
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt2GENERAL SUPPORT
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt3GENERAL OPERATING
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt4GENERAL OPERATING
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt0FIFTH AVENUE PRESYBTERIAN CHURCH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt1FIFTH AVENUE PRESYBTERIAN CHURCH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt2INTERNATIONAL TENNIS HALL OF FAME
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt3JACK DEVITO FOUNDATION
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientBusinessName/BusinessNameLine1Txt4MUSKINGUM UNIVERSITY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd0PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd1PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd2PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd3PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusCd4PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt07 WEST 55TH STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt17 WEST 55TH STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt2194 BELLEVUE AVENUE
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt3334 UNDERHILL ROAD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/AddressLine1Txt4163 STORMONT STREET
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm0NEW YORK
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm1NEW YORK
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm2NEWPORT
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm3YORKTOWN HEIGHTS
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/CityNm4NEW CONCORD
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd0NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd1NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd2RI
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd3NY
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/StateAbbreviationCd4OH
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd010019
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd110019
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd202840
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd310598
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientUSAddress/ZIPCd443762
IRS990PF/SupplementaryInformationGrp/OnlyContriToPreselectedInd0X
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriApprvFutAmt00
IRS990PF/SupplementaryInformationGrp/TotalGrantOrContriPdDurYrAmt0200000
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/LoansOrLoanGuaranteesInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PerformanceOfServicesEtcInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/PurchaseOfAssetsNonchrtblEOInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/ReimbursementArrangementsInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RelationshipsNonchrtblEOInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/RentalOfFacilitiesOthAssetsInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SalesOrExchangesOfAssetsInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/SharingOfFacilitiesEtcInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOfCashToNonchrtblEOInd00
IRS990PF/TrnsfrTransRlnNonchrtblEOGrp/TrnsfrOtherAssetNonchrtblEOInd00
IRS990PF/UndistributedIncomeGrp/AppliedToCurrentYearAmt043700
IRS990PF/UndistributedIncomeGrp/AppliedToPriorYearsAmt00
IRS990PF/UndistributedIncomeGrp/AppliedToYear1Amt00
IRS990PF/UndistributedIncomeGrp/CorpusDistri170b1EOr4942g3Amt00
IRS990PF/UndistributedIncomeGrp/DistributableAsAdjustedAmt043700
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovAppCYAmt00
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr1Amt087015
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr2Amt0147663
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr3Amt0185054
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr4Amt0184574
IRS990PF/UndistributedIncomeGrp/ExcessDistributionCyovYr5Amt0146563
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovAppCYCorpusAmt00
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovFromYr5Amt0146563
IRS990PF/UndistributedIncomeGrp/ExcessDistriCyovToNextYrAmt0760706
IRS990PF/UndistributedIncomeGrp/ExcessFromCurrentYearAmt0156400
IRS990PF/UndistributedIncomeGrp/ExcessFromYear1Amt087015
IRS990PF/UndistributedIncomeGrp/ExcessFromYear2Amt0147663
IRS990PF/UndistributedIncomeGrp/ExcessFromYear3Amt0185054
IRS990PF/UndistributedIncomeGrp/ExcessFromYear4Amt0184574
IRS990PF/UndistributedIncomeGrp/PriorYearDeficiencyOrTaxAmt00
IRS990PF/UndistributedIncomeGrp/PriorYearUndistributedIncmAmt00
IRS990PF/UndistributedIncomeGrp/QualifyingDistributionsAmt0200100
IRS990PF/UndistributedIncomeGrp/RemainingDistriFromCorpusAmt0156400
IRS990PF/UndistributedIncomeGrp/Taxable1Amt00
IRS990PF/UndistributedIncomeGrp/Taxable2Amt00
IRS990PF/UndistributedIncomeGrp/TotalCorpusAmt0907269
IRS990PF/UndistributedIncomeGrp/TotalExcessDistributionCyovAmt0750869
IRS990PF/UndistributedIncomeGrp/TotalForPriorYearsAmt00
IRS990PF/UndistributedIncomeGrp/TreatedAsDistriFromCorpusAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomeCYAmt00
IRS990PF/UndistributedIncomeGrp/UndistributedIncomePYAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc0NYS FILING FEES
OtherExpensesSchedule/OtherExpensesScheduleGrp/DisbursementsCharitablePrpsAmt0100
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt00
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt0100
OtherIncomeSchedule2/OtherIncomeDetail/AdjustedNetIncomeAmt083
OtherIncomeSchedule2/OtherIncomeDetail/Desc0JP MORGAN
OtherIncomeSchedule2/OtherIncomeDetail/NetInvestmentIncomeAmt083
OtherIncomeSchedule2/OtherIncomeDetail/RevenueAndExpensesPerBooksAmt083
OtherIncreasesSchedule/OtherIncreasesDetail/Amt015439
OtherIncreasesSchedule/OtherIncreasesDetail/Desc0CHANGE IN UNREALIZED APPRECIATION
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/Amt08969
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/CategoryTxt0JP MORGAN - INV FEES
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/DisbursementsCharitablePrpsAmt00
OtherProfessionalFeesSchedule/OtherProfessionalFeesDetail/NetInvestmentIncomeAmt08969
TaxesSchedule/TaxesDetail/Amt0910
TaxesSchedule/TaxesDetail/CategoryTxt0FEDERAL EXCISE
TaxesSchedule/TaxesDetail/DisbursementsCharitablePrpsAmt00
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt00
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd01
ReturnHeader/BusinessOfficerGrp/PersonNm0JAMES PURDY
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0TRUSTEE
ReturnHeader/BusinessOfficerGrp/PhoneNum02124898104
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-03-18
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0THE WILLIAM S PERPER FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt0WILL
ReturnHeader/Filer/EIN0456337299
ReturnHeader/Filer/PhoneNum02124898104
ReturnHeader/Filer/USAddress/AddressLine1Txt0ONE ROCKEFELLER PLAZA 3RD FLOOR
ReturnHeader/Filer/USAddress/CityNm0NEW YORK
ReturnHeader/Filer/USAddress/StateAbbreviationCd0NY
ReturnHeader/Filer/USAddress/ZIPCd010020
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0334358135
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0SAX ADVISORS LLC
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt01040 AVENUE OF THE AMERICAS-16TH FL
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0NEW YORK
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0NY
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd010018
ReturnHeader/PreparerPersonGrp/PhoneNum02126857000
ReturnHeader/PreparerPersonGrp/PreparationDt02026-03-18
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0KEVIN SUNKEL
ReturnHeader/ReturnTs02026-03-18T19:04:46-05:00
ReturnHeader/ReturnTypeCd0990PF
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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