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Nonprofit · EIN 81-3817783

SDM FOUNDATION INC

Tax-exempt · MELROSE, MA 02176

Financials

$286K$468K2023$505K$470K2024$411K$506K2025
Revenue Expenses · by fiscal year end
Financials of SDM FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$411,221$505,945-$94,724$4,971,567$488,335$4,483,232
December 31, 2024990-PF$505,126$470,217$34,909$5,008,306$504,486$4,503,820
December 31, 2023990-PF$286,467$468,213-$181,746$4,975,886$520,026$4,455,860
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$26,914
Dividends
$100,879
Net gain from sales of assets
$283,428

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$90,385
Salaries, compensation and benefits (total)
$256,225
Disbursements for charitable purposes
$432,127
Excise tax on investment income
$5,079

Balance sheet and other

Total assets, start of year
$5,008,306
Total assets, end of year
$4,971,567
Total liabilities, end of year
$488,335
Net assets, end of year
$4,483,232
Fair market value of assets
$4,971,567
Qualifying distributions
$432,127
Net investment income
$384,307

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, 2025, highest compensation first.

NameTitleHours / weekCompensation
KRISTIN THORP
77 WENTWORTH RD, MELROSE, MA 02176
PRESIDENT/DIRECTOR35$90,385
MARIANNE LONG
25 WILLARD ST, MELROSE, MA 02176
DIRECTOR1$0
SALLY STUBBS
8 BRAVEHART CT, DURHAM, NC 27713
TREASURER/DIRECTOR1$0
PATRICIA MUXIE
180 GREEN STREET 107, MELROSE, MA 02176
DIRECTOR/CLERK1$0
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
KRISTIN THORP
77 WENTWORTH RD, MELROSE, MA 02176
PRESIDENT/DIRECTOR35$100,000
MARIANNE LONG
25 WILLARD ST, MELROSE, MA 02176
DIRECTOR1$0
SALLY STUBBS
8 BRAVEHART CT, DURHAM, NC 27713
TREASURER/DIRECTOR1$0
PATRICIA MUXIE
180 GREEN STREET 107, MELROSE, MA 02176
DIRECTOR/CLERK1$0
990-PF for the year ended December 31, 2023: 5 people
NameTitleHours / weekCompensation
KRISTIN THORP
77 WENTWORTH RD, MELROSE, MA 02176
PRESIDENT/TREASURER/DIRECTOR40$146,026
THATCHER E ACKERMAN
26 ROCKLAND ST, MELROSE, MA 02176
ASSOCIATE
Highest-paid employee
35$53,685
MARIANNE LONG
25 WILLARD ST, MELROSE, MA 02176
DIRECTOR1$0
SALLY STUBBS
8 BRAVEHART CT, DURHAM, NC 27713
CLERK/DIRECTOR1$0
PATRICIA MUXIE
180 GREEN STREET 107, MELROSE, MA 02176
DIRECTOR1$0

Address and contacts

Address (IRS master file)
406 MAIN ST, MELROSE, MA 02176-3852
In care of
% KRISTIN B THORP
Signed the 990-PF
KRISTIN THORP, PRESIDENT
Phone
(781) 606-2621
Return prepared by
TREEFUL DAMASO ANICETO INC

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, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
81-3817783
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
2017
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$4,971,567
Income (IRS master file)
$1,252,029

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$411,221$505,945$4,971,567XML
990-PFDecember 2024$505,126$470,217$5,008,306XML
990-PFDecember 2023$286,467$468,213$4,975,886XML
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 81-3817783).

Questions about SDM FOUNDATION INC

What is the EIN of SDM FOUNDATION INC?
The employer identification number (EIN) of SDM FOUNDATION INC is 81-3817783.
Is SDM FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
Are donations to SDM FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
Which annual return does SDM FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of SDM FOUNDATION INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SDM FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of SDM FOUNDATION INC?
The 990-PF for the year ended December 31, 2025 lists 4 people; 1 received compensation from the organization, the highest $90,385 (KRISTIN THORP, PRESIDENT/DIRECTOR).
How much revenue does SDM FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $411,221, expenses of $505,945 and total assets of $4,971,567 at year end.

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