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Nonprofit · EIN 37-6528633

MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION

Tax-exempt · CLAYTON, MO 63105

Financials

$201K$323K2023$368K$352K2024
Revenue Expenses · by fiscal year end
Financials of MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990-PF$368,035$351,947$16,088$4,400,742$0$4,400,742
June 30, 2024990-PF$200,639$322,573-$121,934$4,384,647$0$4,384,647
Financial details: 990-PF for the year ended June 30, 2025

Revenue

Dividends
$116,786
Net gain from sales of assets
$251,249

Expenses

Grants and similar amounts paid
$290,001
Compensation of officers, directors and key employees
$60,496
Disbursements for charitable purposes
$302,100
Excise tax on investment income
$4,423

Balance sheet and other

Total assets, start of year
$4,384,647
Total assets, end of year
$4,400,742
Total liabilities, end of year
$0
Net assets, end of year
$4,400,742
Fair market value of assets
$5,877,259
Qualifying distributions
$302,100
Net investment income
$368,035

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
Commerce Trust
PO BOX 11356, CLAYTON, MO 63105
CO-TRUSTEE2$45,397
LEONARD L DENK
C/O COMMERCE PO BOX 11356, CLAYTON, MO 63105
CO-TRUSTEE2$11,349
Commerce Trust
PO BOX 11356, CLAYTON, MO 63105
TAX PREPARATION1$3,750
990-PF for the year ended June 30, 2024: 3 people
NameTitleHours / weekCompensation
Commerce Trust
PO BOX 11356, CLAYTON, MO 63105
CO-TRUSTEE2$43,020
LEONARD L DENK
C/O COMMERCE PO BOX 11356, CLAYTON, MO 63105
CO-TRUSTEE2$10,755
Commerce Trust
PO BOX 11356, CLAYTON, MO 63105
TAX PREPARATION1$2,750

Address and contacts

Address (IRS master file)
PO BOX 11356, CLAYTON, MO 63105-0156
In care of
% COMMERCE TRUST COMPANY TTEE
Signed the 990-PF
COMMERCE TRUST, TRUSTEE
Phone
(314) 746-7329

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-PF on file
2023June 30, 2024November 15, 2024990-PF on file

IRS record

EIN
37-6528633
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
2013
Accounting year ends
June
Files
Form 990-PF
Assets (IRS master file)
$4,400,742
Income (IRS master file)
$1,544,790

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFJune 2025$368,035$351,947$4,400,742XML
990-PFJune 2024$200,639$322,573$4,384,647XML
990-PFJune 2023–––IRS
990-PFJune 2022–––IRS
990-PFJune 2021–––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 37-6528633).

Questions about MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION

What is the EIN of MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION?
The employer identification number (EIN) of MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION is 37-6528633.
Is MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
Are donations to MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended June 2025.
Who are the officers and directors of MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION?
The 990-PF for the year ended June 30, 2025 lists 3 people; 3 received compensation from the organization, the highest $45,397 (Commerce Trust, CO-TRUSTEE).
How much revenue does MARIE & MAYER WINKLER PETER C & HELEN D JOHANNES FOUNDATION have?
On its 990-PF for the year ended June 30, 2025 it reported revenue of $368,035, expenses of $351,947 and total assets of $4,400,742 at year end.

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