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Nonprofit · EIN 06-6504128

RIVERSVILLE FOUNDATION

Also known as BIGGS BARTON M TTEE

Tax-exempt · GREENWICH, CT 06830

Financials

$1M$2.6M2023$601K$2.7M2024
Revenue Expenses · by fiscal year end
Financials of RIVERSVILLE FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990-PF$601,151$2,664,446-$2,063,295$35,859,170$0$35,859,170
December 31, 2023990-PF$1,022,912$2,599,720-$1,576,808$36,598,486$0$36,598,486
Financial details: 990-PF for the year ended December 31, 2024

Revenue

Dividends
$184,107
Interest
$51,250
Net gain from sales of assets
$348,759
Other income
$17,035

Expenses

Grants and similar amounts paid
$1,915,870
Compensation of officers, directors and key employees
$570,000
Disbursements for charitable purposes
$2,206,664
Excise tax on investment income
$1,756

Balance sheet and other

Total assets, start of year
$36,598,486
Total assets, end of year
$35,859,170
Total liabilities, end of year
$0
Net assets, end of year
$35,859,170
Fair market value of assets
$53,577,246
Qualifying distributions
$2,206,664
Net investment income
$584,116

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-PF for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensation
ANN D THIVIERGE
1100 PARK AVENUE, NEW YORK, NY 10128
TRUSTEE10$300,000
BRUNO CASOLARI
3 HORIZON ROAD STE 419, FORT LEE, NJ 07024
EXECUTIVE DIRECTOR35$270,000
990-PF for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensation
ANN D THIVIERGE
1100 PARK AVENUE, NEW YORK, NY 10128
TRUSTEE10$300,000
BRUNO CASOLARI
3 HORIZON ROAD STE 419, FORT LEE, NJ 07024
EXECUTIVE DIRECTOR35$265,000

Address and contacts

Address (IRS master file)
35 MASON STREET STE 1D, GREENWICH, CT 06830-5433
In care of
% ARTHUR & ANN THIVIERGE TRUSTEES
Signed the 990-PF
ANN THIVIERGE, TRUSTEE
Phone
(718) 588-1472
Return prepared by
CBIZ ADVISORS LLC

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
06-6504128
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
2001
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$35,859,170
Income (IRS master file)
$769,968

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2024$601,151$2,664,446$35,859,170XML
990-PFDecember 2023$1,022,912$2,599,720$36,598,486XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 06-6504128).

Questions about RIVERSVILLE FOUNDATION

What is the EIN of RIVERSVILLE FOUNDATION?
The employer identification number (EIN) of RIVERSVILLE FOUNDATION is 06-6504128.
Is RIVERSVILLE FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to RIVERSVILLE FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does RIVERSVILLE FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of RIVERSVILLE FOUNDATION due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did RIVERSVILLE FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2024.
Who are the officers and directors of RIVERSVILLE FOUNDATION?
The 990-PF for the year ended December 31, 2024 lists 2 people; 2 received compensation from the organization, the highest $300,000 (ANN D THIVIERGE, TRUSTEE).
How much revenue does RIVERSVILLE FOUNDATION have?
On its 990-PF for the year ended December 31, 2024 it reported revenue of $601,151, expenses of $2,664,446 and total assets of $35,859,170 at year end.

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