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Nonprofit · EIN 36-6055643

HERBERT C WENSKE FOUNDATION

Tax-exempt · WILMETTE, IL 60091

Financials

$280K$268K2023$316K$245K2024$564K$296K2025
Revenue Expenses · by fiscal year end
Financials of HERBERT C WENSKE FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$563,932$295,778$268,154$2,984,750$0$2,984,750
December 31, 2024990-PF$316,007$245,032$70,975$2,716,596$0$2,716,596
December 31, 2023990-PF$279,752$268,097$11,655$2,645,621$0$2,645,621
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$101,161
Interest
$32
Net gain from sales of assets
$462,739

Expenses

Grants and similar amounts paid
$121,500
Compensation of officers, directors and key employees
$100,000
Disbursements for charitable purposes
$207,536
Excise tax on investment income
$6,668

Balance sheet and other

Total assets, start of year
$2,716,596
Total assets, end of year
$2,984,750
Total liabilities, end of year
$0
Net assets, end of year
$2,984,750
Fair market value of assets
$6,464,190
Qualifying distributions
$207,536
Net investment income
$563,932

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
LOREN R STONE PRESIDENT
3201 OLD GLENVIEW ROAD SUITE 300, WILMETTE, IL 60091
SECRETARY TREASURER & SOLE DIRECTOR4$100,000
990-PF for the year ended December 31, 2024: 1 people
NameTitleHours / weekCompensation
LOREN R STONE PRESIDENT
3201 OLD GLENVIEW ROAD SUITE 300, WILMETTE, IL 60091
SECRETARY TREASURER & SOLE DIRECTOR4$80,000
990-PF for the year ended December 31, 2023: 1 people
NameTitleHours / weekCompensation
LOREN R STONE PRESIDENT
3201 OLD GLENVIEW ROAD SUITE 300, WILMETTE, IL 60091
SECRETARY TREASURER & SOLE DIRECTOR3$80,000

Address and contacts

Address (IRS master file)
3201 OLD GLENVIEW RD STE 250, WILMETTE, IL 60091-2993
In care of
% RSM MCGLADREY INC
Signed the 990-PF
LOREN R STONE PRESIDENT, SECRETARY TREASURER & SOLE DIR
Phone
(312) 634-3400
Return prepared by
RSM US LLP

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
36-6055643
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
1957
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$2,984,750
Income (IRS master file)
$1,465,671

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$563,932$295,778$2,984,750XML
990-PFDecember 2024$316,007$245,032$2,716,596XML
990-PFDecember 2023$279,752$268,097$2,645,621XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about HERBERT C WENSKE FOUNDATION

What is the EIN of HERBERT C WENSKE FOUNDATION?
The employer identification number (EIN) of HERBERT C WENSKE FOUNDATION is 36-6055643.
Is HERBERT C WENSKE FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1957.
Are donations to HERBERT C WENSKE FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does HERBERT C WENSKE FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of HERBERT C WENSKE 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 HERBERT C WENSKE 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 HERBERT C WENSKE FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 1 person; 1 received compensation from the organization, the highest $100,000 (LOREN R STONE PRESIDENT, SECRETARY TREASURER & SOLE DIRECTOR).
How much revenue does HERBERT C WENSKE FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $563,932, expenses of $295,778 and total assets of $2,984,750 at year end.

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