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Nonprofit · EIN 77-0388999

GREENSIDE FOUNDATION

Tax-exempt · SAN JOSE, CA 95112

Financials

$85K$87K2023$148K$81K2024$141K$85K2025
Revenue Expenses · by fiscal year end
Financials of GREENSIDE FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$140,691$84,570$56,121$1,336,068$0$1,336,068
December 31, 2024990-PF$147,728$81,419$66,309$1,278,861$0$1,278,861
December 31, 2023990-PF$84,865$87,043-$2,178$1,210,097$0$1,210,097
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$30,191
Net gain from sales of assets
$110,500

Expenses

Grants and similar amounts paid
$77,395
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$83,248
Excise tax on investment income
$1,937

Balance sheet and other

Total assets, start of year
$1,278,861
Total assets, end of year
$1,336,068
Total liabilities, end of year
$0
Net assets, end of year
$1,336,068
Fair market value of assets
$1,906,160
Qualifying distributions
$83,248
Net investment income
$140,691

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
GARY S VANDEWEGHE
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE1$0
BARBARA M VANDEWEGHE
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE1$0
TIFFANY A VANDEWEGHE CLEARY
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE0$0
TRACY A VANDEWEGHE BALSDON
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE0$0
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
GARY S VANDEWEGHE
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE1$0
BARBARA M VANDEWEGHE
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE1$0
TIFFANY A VANDEWEGHE CLEARY
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE0$0
TRACY A VANDEWEGHE BALSDON
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE0$0
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
GARY S VANDEWEGHE
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE1$0
BARBARA M VANDEWEGHE
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE1$0
TIFFANY A VANDEWEGHE CLEARY
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE0$0
TRACY A VANDEWEGHE BALSDON
5343 GREENSIDE DRIVE, SAN JOSE, CA 95127
TRUSTEE0$0

Address and contacts

Address (IRS master file)
96 N 3RD ST STE 560, SAN JOSE, CA 95112-7709
In care of
% GARY VANDEWEGHE
Signed the 990-PF
GARY S VANDEWEGHE, PRESIDENT
Phone
(408) 293-0463
Return prepared by
GREEN HASSON & JANKS LLP

California records

California keeps its own records of charities and corporations. Search them by EIN 77-0388999 or by the name GREENSIDE 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, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
77-0388999
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
1994
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,336,068
Income (IRS master file)
$202,793

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$140,691$84,570$1,336,068IRS
990-PFDecember 2024$147,728$81,419$1,278,861IRS
990-PFDecember 2023$84,865$87,043$1,210,097XML
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 77-0388999).

Questions about GREENSIDE FOUNDATION

What is the EIN of GREENSIDE FOUNDATION?
The employer identification number (EIN) of GREENSIDE FOUNDATION is 77-0388999.
Is GREENSIDE FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
Are donations to GREENSIDE FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does GREENSIDE FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of GREENSIDE 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 GREENSIDE 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 GREENSIDE FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does GREENSIDE FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $140,691, expenses of $84,570 and total assets of $1,336,068 at year end.

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