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Nonprofit · EIN 04-3494831

EOS FOUNDATION

Tax-exempt · HARWICH PORT, MA 02646

Financials

$1.4M$3.4M2022−$876K$4M2023$3.6M$4.2M2024
Revenue Expenses · by fiscal year end
Financials of EOS FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990-PF$3,649,882$4,156,680-$506,798$46,198,234$1,668$46,196,566
June 30, 2024990-PF-$876,414$3,977,415-$4,853,829$40,732,125$149$40,731,976
June 30, 2023990-PF$1,399,603$3,374,421-$1,974,818$38,143,701$2,395$38,141,306
Financial details: 990-PF for the year ended June 30, 2025

Revenue

Interest
$205,539
Net gain from sales of assets
$3,444,343

Expenses

Grants and similar amounts paid
$2,467,150
Compensation of officers, directors and key employees
$669,217
Salaries, compensation and benefits (total)
$257,600
Disbursements for charitable purposes
$3,953,146
Excise tax on investment income
$47,953

Balance sheet and other

Total assets, start of year
$40,732,125
Total assets, end of year
$46,198,234
Total liabilities, end of year
$1,668
Net assets, end of year
$46,196,566
Fair market value of assets
$46,198,234
Qualifying distributions
$3,953,146
Net investment income
$3,649,882

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Andrea Silbert
537 Main Street, Harwich Port, MA 02646
President40$334,478$76,070
Kellie Marchant
537 Main Street, Harwich Port, MA 02646
Vice President40$184,995$73,674
Magdalena Punty
537 Main Street Suite 12, Harwich Port, MA 02646
Director of Research
Highest-paid employee
40$107,266$64,482
Kemi Morrison-Smellie
537 Main Street Suite 12, Harwich Port, MA 02646
Researcher
Highest-paid employee
40$57,584$58,124
Megan Martino
537 Main Street Suite 12, Harwich Port, MA 02646
Executive Assistant
Highest-paid employee
40$56,509$21,714
Kenneth Nickerson
537 Main Street, Harwich Port, MA 02646
Trustee10$0$0
Katherine Deyst
537 Main Street, Harwich Port, MA 02646
Trustee10$0$0
990-PF for the year ended June 30, 2024: 7 people
NameTitleHours / weekCompensationOther / benefits
ANDREA SILBERT
537 MAIN STREET, HARWICH PORT, MA 02646
PRESIDENT40$355,534$24,909
KELLIE MARCHANT
537 MAIN STREET, HARWICH PORT, MA 02646
VICE PRESIDENT40$171,769$9,836
MAGDALENA PUNTY
537 MAINSTREET SUITE 12, HARWICH PORT, MA 02646
STAFF
Highest-paid employee
40$99,275$5,684
AKSHAYAA SHRESTHA
537 MAINSTREET SUITE 12, HARWICH PORT, MA 02646
STAFF
Highest-paid employee
40$57,500$8,276
KEMI O'MORRISON
537 MAINSTREET SUITE 12, HARWICH PORT, MA 02646
STAFF
Highest-paid employee
40$55,640$4,176
KENNETH NICKERSON
537 MAIN STREET, HARWICH PORT, MA 02646
TRUSTEE10$0$0
KATHERINE DEYST
537 MAIN STREET, HARWICH PORT, MA 02646
TRUSTEE10$0$0
990-PF for the year ended June 30, 2023: 7 people
NameTitleHours / weekCompensationOther / benefits
ANDREA SILBERT
537 MAIN STREET, HARWICH PORT, MA 02646
PRESIDENT40$342,159$29,520
KELLIE MARCHANT
537 MAIN STREET, HARWICH PORT, MA 02646
VICE PRESIDENT40$164,372$16,327
MAGDALENA PUNTY
537 MAINSTREET SUITE 12, HARWICH PORT, MA 02646
STAFF
Highest-paid employee
40$95,000$9,406
AKSHAYAA SHRESTHA
537 MAINSTREET SUITE 12, HARWICH PORT, MA 02646
STAFF
Highest-paid employee
40$55,000$4,592
KEMI O'MORRISON
537 MAINSTREET SUITE 12, HARWICH PORT, MA 02646
STAFF
Highest-paid employee
40$54,772$6,787
KENNETH NICKERSON
537 MAIN STREET, HARWICH PORT, MA 02646
TRUSTEE10$0$0
KATHERINE DEYST
537 MAIN STREET, HARWICH PORT, MA 02646
TRUSTEE10$0$0

Address and contacts

Address (IRS master file)
537 ROUTE 28 STE 12, HARWICH PORT, MA 02646-1894
In care of
% KENNETH S NICKERSON
Signed the 990-PF
Kellie Marchant, Vice President
Phone
(508) 430-8130
Return prepared by
Baker Newman & Noyes

What it must file and when

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-PF on file
2023June 30, 2024November 15, 2024990-PF on file

IRS record

EIN
04-3494831
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
2000
Accounting year ends
June
Files
Form 990-PF
Assets (IRS master file)
$46,198,234
Income (IRS master file)
$6,019,160

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFJune 2025$3,649,882$4,156,680$46,198,234IRS
990-PFJune 2024-$876,414$3,977,415$40,732,125IRS
990-PFJune 2023$1,399,603$3,374,421$38,143,701XML
990-PFJune 2022–––IRS
990-PFJune 2021–––IRS
990-PFJune 2020–––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 04-3494831).

Questions about EOS FOUNDATION

What is the EIN of EOS FOUNDATION?
The employer identification number (EIN) of EOS FOUNDATION is 04-3494831.
Is EOS FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2000.
Are donations to EOS FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does EOS FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of EOS FOUNDATION due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did EOS FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended June 2025.
Who are the officers and directors of EOS FOUNDATION?
The 990-PF for the year ended June 30, 2025 lists 7 people; 5 received compensation from the organization, the highest $334,478 (Andrea Silbert, President).
How much revenue does EOS FOUNDATION have?
On its 990-PF for the year ended June 30, 2025 it reported revenue of $3,649,882, expenses of $4,156,680 and total assets of $46,198,234 at year end.

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