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Nonprofit · EIN 04-3406251

PETER AND DEBORAH LAMM FOUNDATION

Tax-exempt · BOSTON, MA 02199

Financials

$167K$179K2023$5M$183K2024$1.1M$239K2025
Revenue Expenses · by fiscal year end
Financials of PETER AND DEBORAH LAMM FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$1,130,755$238,628$892,127$6,904,589$0$6,904,589
December 31, 2024990-PF$4,988,127$182,999$4,805,128$5,501,997$0$5,501,997
December 31, 2023990-PF$167,188$178,745-$11,557$676,263$0$676,263
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$526,276
Dividends
$63,818
Interest
$14,806
Net gain from sales of assets
$525,855

Expenses

Grants and similar amounts paid
$199,500
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$203,544
Excise tax on investment income
$38,355

Balance sheet and other

Total assets, start of year
$5,501,997
Total assets, end of year
$6,904,589
Total liabilities, end of year
$0
Net assets, end of year
$6,904,589
Fair market value of assets
$6,904,589
Qualifying distributions
$203,544
Net investment income
$2,793,201

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
PETER LAMM
29 OCEAN VIEW HIGHWAY, WESTERLY, RI 02891
TRUSTEE1$0
DEBORAH LAMM
29 OCEAN VIEW HIGHWAY, WESTERLY, RI 02891
TRUSTEE0.25$0
R BRADFORD MALT
62 BEACON ST APT 1, BOSTON, MA 02108
TRUSTEE0.25$0
ERIC LAMM
10 WATERSIDE PLAZA APT 34F, NEW YORK, NY 10010
TRUSTEE0.25$0
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
PETER LAMM
29 OCEAN VIEW HIGHWAY, WESTERLY, RI 02891
TRUSTEE1$0
DEBORAH LAMM
29 OCEAN VIEW HIGHWAY, WESTERLY, RI 02891
TRUSTEE0.25$0
R BRADFORD MALT
62 BEACON ST APT 1, BOSTON, MA 02108
TRUSTEE0.25$0
ERIC LAMM
10 WATERSIDE PLAZA APT 34F, NEW YORK, NY 10010
TRUSTEE0.25$0
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
PETER LAMM
29 OCEAN VIEW HIGHWAY, WESTERLY, RI 02891
TRUSTEE1$0
DEBORAH LAMM
29 OCEAN VIEW HIGHWAY, WESTERLY, RI 02891
TRUSTEE0.25$0
R BRADFORD MALT
62 BEACON ST APT 1, BOSTON, MA 02108
TRUSTEE0.25$0
ERIC LAMM
10 WATERSIDE PLAZA APT 34F, NEW YORK, NY 10010
TRUSTEE0.25$0

Address and contacts

Address (IRS master file)
CO ROPES GRAY LLP 800 BOYLSTON, BOSTON, MA 02199-0000
In care of
% R BRADFORD MALT TTEE
Signed the 990-PF
R BRADFORD MALT, TRUSTEE
Phone
(617) 951-7000
Return prepared by
EISNER ADVISORY GROUP 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, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
04-3406251
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
1998
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$6,904,589
Income (IRS master file)
$3,940,265

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$1,130,755$238,628$6,904,589XML
990-PFDecember 2024$4,988,127$182,999$5,501,997XML
990-PFDecember 2023$167,188$178,745$676,263XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2019–––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 04-3406251).

Questions about PETER AND DEBORAH LAMM FOUNDATION

What is the EIN of PETER AND DEBORAH LAMM FOUNDATION?
The employer identification number (EIN) of PETER AND DEBORAH LAMM FOUNDATION is 04-3406251.
Is PETER AND DEBORAH LAMM FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
Are donations to PETER AND DEBORAH LAMM FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does PETER AND DEBORAH LAMM FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of PETER AND DEBORAH LAMM FOUNDATION 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 PETER AND DEBORAH LAMM FOUNDATION 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 PETER AND DEBORAH LAMM FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does PETER AND DEBORAH LAMM FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $1,130,755, expenses of $238,628 and total assets of $6,904,589 at year end.

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