Civic Intelligence

Bonsen Foundation

990PF • Fiscal year 2024 • EIN 82-4380106

Jan 01, 2024 to Dec 31, 2024 • Filed on Nov 12, 2025

100 Memorial Drive Apt 5-3bCambridge, MA 02142

(857) 301-7283

Siviq Scores

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

Liabilities / Assets

33rd percentile

0.00x

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

2024 filings • $1M-$5M nonprofits • Source year 2024

Liabilities / Revenue

33rd percentile

0.00x

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

2024 filings • $1M-$5M nonprofits • Source year 2024

Net Margin

2nd percentile

-255%

Higher net margin than 2% of similar nonprofits.

2024 filings • $1M-$5M nonprofits • Source year 2024

Top Officer Pay

46th percentile

$0

Higher top officer pay than 46% of similar nonprofits.

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

2024 filings • $1M-$5M nonprofits • Source year 2024

Asset Growth

18th percentile

-5.8%

Faster asset growth than 18% of similar nonprofits.

2024 filings • $1M-$5M nonprofits • Annualized from 2023 to 2024

Revenue Growth

31st percentile

-1.2%

Faster revenue growth than 31% of similar nonprofits.

2024 filings • $1M-$5M nonprofits • Annualized from 2023 to 2024

Assets

Down

$4,472,895

Down $273,201 (-5.8%) from 2023

Net Assets

Down

$4,472,895

Down $271,057 (-5.7%) from 2023

Liabilities

Down

$0

Down $2,144 (-100%) from 2023

Revenue

Down

$115,706

Down $1,446 (-1.2%) from 2023

Expenses

Up

$410,201

Up $142,577 (+53%) from 2023

Net Income

Down

-$294,495

Down $144,023 (-96%) from 2023

Historical Trend

Balance Sheet Trend

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

$6.0M$4.0M$2.0M$0Assets 2019: $5,538,922Liabilities 2019: $0Net Assets 2019: $5,538,9222019Assets 2020: $5,426,416Liabilities 2020: $0Net Assets 2020: $5,426,4162020Assets 2021: $5,613,026Liabilities 2021: $3,412Net Assets 2021: $5,609,6142021Assets 2022: $5,020,374Liabilities 2022: $7,822Net Assets 2022: $5,012,5522022Assets 2023: $4,746,096Liabilities 2023: $2,144Net Assets 2023: $4,743,9522023Assets 2024: $4,472,895Liabilities 2024: $0Net Assets 2024: $4,472,8952024

Highlighted filing

2024

Assets$4,472,895
Liabilities$0
Net Assets$4,472,895

Operations Trend

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

$1.0M$500K$0-$500K-$1.0MRevenue 2019: $783,445Expenses 2019: $255,594Net Income 2019: $527,8512019Revenue 2020: $890,339Expenses 2020: $405,895Net Income 2020: $484,4442020Revenue 2021: $377,325Expenses 2021: $117,913Net Income 2021: $259,4122021Revenue 2022: $83,903Expenses 2022: $634,711Net Income 2022: -$550,8082022Revenue 2023: $117,152Expenses 2023: $267,624Net Income 2023: -$150,4722023Revenue 2024: $115,706Expenses 2024: $410,201Net Income 2024: -$294,4952024

Highlighted filing

2024

Revenue$115,706
Expenses$410,201
Net Income-$294,495
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Nov 12, 2025
Return Version
2024v5.2
Compensation and Service Providers

Employees

NameTitleFull / Part TimeBaseOtherTotal
JOOST P BONSENPresidentPT$0--
Filing and Contact Details

Filer

Filer Name
Bonsen Foundation
EIN
82-4380106
Phone
8573017283
Address
100 MEMORIAL DRIVE APT 5-3B, CAMBRIDGE, MA 02142

Signing Officer

Name
Joost Paul Bonsen
Title
President
Signed
2025-11-12
Discuss with paid preparer
Yes

Preparer

Firm
Weyer Crellin & Custer
Address
245 Fischer Ave A3, Costa Mesa, CA 92626
Preparer
Evan M Custer CPA
Phone
7144299283
Raw XML Appendix236 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/ChgInNetAssetsFundBalancesGrp/OtherIncreasesAmt025023
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IRS990PF/DistributableAmountGrp/DistributableAsAdjustedAmt0238834
IRS990PF/DistributableAmountGrp/DistributableBeforeAdjAmt0238834
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IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt072892
IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt00
IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt0239328
IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt04786569
IRS990PF/MinimumInvestmentReturnGrp/ReductionClaimedAmt00
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompOfHghstPdCntrctOrNONETxt0NONE
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IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt00
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm0JOOST P BONSEN
IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt0President
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IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd0false
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IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd0false
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IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd0false
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd0false
IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd0false
IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd0false
IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd0false
IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd0true
IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd0false
IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd0true
IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd0false
IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd0false
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IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd0false
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IRS990PF/StatementsRegardingActyGrp/WebsiteAddressTxt0N/A
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IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientFoundationStatusTxt0PC
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientPersonNm0MASSACHUSETTS INSTITUTE OF TECHNOLO
IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/RecipientRelationshipTxt0NONE
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OtherDecreasesSchedule/OtherDecreasesDetail/Amt11383
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OtherDecreasesSchedule/OtherDecreasesDetail/Desc1PRIOR YEAR FEDERAL EXCISE TAXES
OtherExpensesSchedule/OtherExpensesScheduleGrp/Desc0REGISTERED AGENT FEE
OtherExpensesSchedule/OtherExpensesScheduleGrp/NetInvestmentIncomeAmt0560
OtherExpensesSchedule/OtherExpensesScheduleGrp/RevenueAndExpensesPerBooksAmt0560
TaxesSchedule/TaxesDetail/Amt075
TaxesSchedule/TaxesDetail/CategoryTxt0CA RRF-1 FEES
TaxesSchedule/TaxesDetail/NetInvestmentIncomeAmt075
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
ReturnHeader/BusinessOfficerGrp/PersonNm0JOOST PAUL BONSEN
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-12
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ReturnHeader/Filer/BusinessNameControlTxt0BONS
ReturnHeader/Filer/EIN0824380106
ReturnHeader/Filer/PhoneNum08573017283
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ReturnHeader/Filer/USAddress/CityNm0CAMBRIDGE
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ReturnHeader/Filer/USAddress/ZIPCd002142
ReturnHeader/IRSResponsiblePrtyInfoCurrInd0true
ReturnHeader/PreparerFirmGrp/PreparerFirmEIN0953533570
ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt0Weyer Crellin & Custer
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt0245 Fischer Ave A3
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm0Costa Mesa
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd0CA
ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd092626
ReturnHeader/PreparerPersonGrp/PhoneNum07144299283
ReturnHeader/PreparerPersonGrp/PreparerPersonNm0EVAN M CUSTER CPA
ReturnHeader/ReturnTs02025-11-17T11:26:23-08:00
ReturnHeader/ReturnTypeCd0990PF
ReturnHeader/TaxPeriodBeginDt02024-01-01
ReturnHeader/TaxPeriodEndDt02024-12-31
ReturnHeader/TaxYr02024

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