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Nonprofit · EIN 04-6197960

WILLIAM H HARRIS FOUNDATION

Tax-exempt · LEXINGTON, MA 02421

Financials

$182K$67K2023$55K$3.6M2024$386K$7K2025
Revenue Expenses · by fiscal year end
Financials of WILLIAM H HARRIS FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$385,531$7,365$378,166$773,200$0$773,200
December 31, 2024990-PF$55,429$3,558,666-$3,503,237$395,034$0$395,034
December 31, 2023990-PF$182,352$66,561$115,791$3,898,271$0$3,898,271
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$29,157
Interest
$24
Net gain from sales of assets
$356,350

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$3,335
Excise tax on investment income
$5,313

Balance sheet and other

Total assets, start of year
$395,034
Total assets, end of year
$773,200
Total liabilities, end of year
$0
Net assets, end of year
$773,200
Fair market value of assets
$773,200
Qualifying distributions
$3,335
Net investment income
$385,531

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
WILLIAM H HARRIS MD
1010 WALTHAM STREET 8, LEXINGTON, MA 02421
TRUSTEE1$0
DAVID HARRIS
401 SW 4TH AVE APT 1607, FORT LAUDERDALE, FL 33315
TRUSTEE1$0
990-PF for the year ended December 31, 2024: 2 people
NameTitleHours / weekCompensation
WILLIAM H HARRIS MD
1010 WALTHAM STREET 8, LEXINGTON, MA 02421
TRUSTEE1$0
DAVID HARRIS
401 SW 4TH AVE APT 1607, FORT LAUDERDALE, FL 33315
TRUSTEE1$0
990-PF for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensation
WILLIAM H HARRIS MD
1010 WALTHAM STREET 8, LEXINGTON, MA 02421
TRUSTEE1$0
DAVID HARRIS
401 SW 4TH AVE APT 1607, FORT LAUDERDALE, FL 33315
TRUSTEE1$0

Address and contacts

Address (IRS master file)
1010 WALTHAM STREET 8 FAIRFIELD, LEXINGTON, MA 02421-8044
Signed the 990-PF
WILLIAM H HARRIS, TRUSTEE
Phone
(781) 848-3187
Return prepared by
WALTER SHUFFAIN ADVISORS 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
04-6197960
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
1968
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$773,200
Income (IRS master file)
$427,522

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$385,531$7,365$773,200IRS
990-PFDecember 2024$55,429$3,558,666$395,034IRS
990-PFDecember 2023$182,352$66,561$3,898,271XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 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 04-6197960).

Questions about WILLIAM H HARRIS FOUNDATION

What is the EIN of WILLIAM H HARRIS FOUNDATION?
The employer identification number (EIN) of WILLIAM H HARRIS FOUNDATION is 04-6197960.
Is WILLIAM H HARRIS FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1968.
Are donations to WILLIAM H HARRIS FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does WILLIAM H HARRIS FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of WILLIAM H HARRIS 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 WILLIAM H HARRIS 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 WILLIAM H HARRIS FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does WILLIAM H HARRIS FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $385,531, expenses of $7,365 and total assets of $773,200 at year end.

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