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Nonprofit · EIN 83-6533785

JAMES M AND CATHLEEN D STONE FOUNDATION

Also known as SONJA B PLESSET TTEE

Tax-exempt · BOSTON, MA 02111

Financials

$4.8M$2M2023$1.6M$4.2M2024
Revenue Expenses · by fiscal year end
Financials of JAMES M AND CATHLEEN D STONE FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990-PF$1,623,571$4,169,143-$2,545,572$1,206,466$0$1,206,466
June 30, 2024990-PF$4,758,514$2,047,321$2,711,193$3,752,091$0$3,752,091
Financial details: 990-PF for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$1,000,000
Dividends
$20,904
Net gain from sales of assets
$602,667

Expenses

Grants and similar amounts paid
$4,000,000
Compensation of officers, directors and key employees
$66,390
Salaries, compensation and benefits (total)
$16,097
Disbursements for charitable purposes
$4,153,575
Excise tax on investment income
$8,582

Balance sheet and other

Total assets, start of year
$3,752,091
Total assets, end of year
$1,206,466
Total liabilities, end of year
$0
Net assets, end of year
$1,206,466
Fair market value of assets
$1,448,927
Qualifying distributions
$4,153,575
Net investment income
$623,571

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
SONJA PLESSET
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE / EXECUTIVE DIRECTOR30$66,390
JAMES M STONE
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE5$0
CATHLEEN D STONE
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE5$0
ERIN MACGOWAN
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE1$0
990-PF for the year ended June 30, 2024: 5 people
NameTitleHours / weekCompensation
SONJA PLESSET
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE / EXECUTIVE DIRECTOR30$227,709
JESSICA MERRIAM
695 ATLANTIC AVENUE, BOSTON, MA 02111
PHILANTHROPY PROGRAM
Highest-paid employee
9$52,955
JAMES M STONE
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE5$0
CATHLEEN D STONE
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE5$0
ERIN MACGOWAN
695 ATLANTIC AVENUE, BOSTON, MA 02111
TRUSTEE1$0

Address and contacts

Address (IRS master file)
695 ATLANTIC AVENUE, BOSTON, MA 02111-2623
In care of
% SONJA B PLESSET
Signed the 990-PF
SONJA PLESSET, TRUSTEE
Phone
(617) 951-1504
Return prepared by
BESSEMER TRUST CO NA

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, 2024Check at the IRS

IRS record

EIN
83-6533785
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
2019
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,206,466
Income (IRS master file)
$5,252,326

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2024$1,623,571$4,169,143$1,206,466XML
990-PFJune 2024$4,758,514$2,047,321$3,752,091IRS
990-PFJune 2023–––IRS
990-PFJune 2022–––IRS
990-PFJune 2021–––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 83-6533785).

Questions about JAMES M AND CATHLEEN D STONE FOUNDATION

What is the EIN of JAMES M AND CATHLEEN D STONE FOUNDATION?
The employer identification number (EIN) of JAMES M AND CATHLEEN D STONE FOUNDATION is 83-6533785.
Is JAMES M AND CATHLEEN D STONE FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to JAMES M AND CATHLEEN D STONE FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does JAMES M AND CATHLEEN D STONE FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of JAMES M AND CATHLEEN D STONE 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 JAMES M AND CATHLEEN D STONE 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 JAMES M AND CATHLEEN D STONE FOUNDATION?
The 990-PF for the year ended December 31, 2024 lists 4 people; 1 received compensation from the organization, the highest $66,390 (SONJA PLESSET, TRUSTEE / EXECUTIVE DIRECTOR).
How much revenue does JAMES M AND CATHLEEN D STONE FOUNDATION have?
On its 990-PF for the year ended December 31, 2024 it reported revenue of $1,623,571, expenses of $4,169,143 and total assets of $1,206,466 at year end.

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