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Nonprofit · EIN 26-6065762

WILLIAM GUMPERT FOUNDATION

Tax-exempt · ENCINITAS, CA 92023

Financials

$861K$2.7M2023$2.6M$2.7M2024
Revenue Expenses · by fiscal year end
Financials of WILLIAM GUMPERT FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990-PF$2,586,400$2,739,632-$153,232$40,977,612$514,613$40,462,999
December 31, 2023990-PF$861,434$2,687,444-$1,826,010$40,441,895$0$40,441,895
Financial details: 990-PF for the year ended December 31, 2024

Revenue

Dividends
$530,570
Interest
$195
Net gain from sales of assets
$2,055,635

Expenses

Grants and similar amounts paid
$1,740,000
Compensation of officers, directors and key employees
$497,744
Salaries, compensation and benefits (total)
$37,569
Disbursements for charitable purposes
$2,110,291
Excise tax on investment income
$27,604

Balance sheet and other

Total assets, start of year
$40,441,895
Total assets, end of year
$40,977,612
Total liabilities, end of year
$514,613
Net assets, end of year
$40,462,999
Fair market value of assets
$40,048,547
Qualifying distributions
$2,110,291
Net investment income
$2,586,400

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 / weekCompensationOther / benefits
David Cornsweet
1038 Cottage Way, Encinitas, CA 92024
Director40$249,847$35,664
Patrick Dempsey
2365 Newcastle Avenue, Cardiff, CA 92007
Director40$247,897$35,665
990-PF for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensationOther / benefits
David Cornsweet
1038 Cottage Way, Encinitas, CA 92024
Director40$249,847$41,494
Patrick Dempsey
2365 Newcastle Avenue, Cardiff, CA 92007
Director40$249,847$41,493

Address and contacts

Address (IRS master file)
PO BOX 231549, ENCINITAS, CA 92023-1549
In care of
% DAVID CORNSWEET
Signed the 990-PF
David Cornsweet, CODIRECTOR
Phone
(760) 815-0146
Return prepared by
Munger & Company CPAs

California records

California keeps its own records of charities and corporations. Search them by EIN 26-6065762 or by the name WILLIAM GUMPERT FOUNDATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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, 2024990-PF on file

IRS record

EIN
26-6065762
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
2009
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$40,977,612
Income (IRS master file)
$17,550,815

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2024$2,586,400$2,739,632$40,977,612XML
990-PFDecember 2023$861,434$2,687,444$40,441,895XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2018–––IRS
990-PFDecember 2017–––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 26-6065762).

Questions about WILLIAM GUMPERT FOUNDATION

What is the EIN of WILLIAM GUMPERT FOUNDATION?
The employer identification number (EIN) of WILLIAM GUMPERT FOUNDATION is 26-6065762.
Is WILLIAM GUMPERT FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
Are donations to WILLIAM GUMPERT FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does WILLIAM GUMPERT FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of WILLIAM GUMPERT 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 WILLIAM GUMPERT 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 WILLIAM GUMPERT FOUNDATION?
The 990-PF for the year ended December 31, 2024 lists 2 people; 2 received compensation from the organization, the highest $249,847 (David Cornsweet, Director).
How much revenue does WILLIAM GUMPERT FOUNDATION have?
On its 990-PF for the year ended December 31, 2024 it reported revenue of $2,586,400, expenses of $2,739,632 and total assets of $40,977,612 at year end.

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