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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-1098151

OPTIMIST INTERNATIONAL

Also known as 23040 OC OF WAUSAU BFT WI

Tax-exempt · WAUSAU, WI 54402

Financials

$51K$34K2022$61K$44K2023$73K$65K2024
Revenue Expenses · by fiscal year end
Financials of OPTIMIST INTERNATIONAL by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990-EZ$72,616$65,314$7,302$143,371$0$143,371
September 30, 2024990-EZ$60,575$43,900$16,675$136,069$0$136,069
September 30, 2023990-EZ$50,724$34,430$16,294$119,394$0$119,394
Financial details: 990-EZ for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$2,365
Membership dues
$3,716
Investment income
$2,750
Net income from fundraising events
$63,785

Expenses

Grants and similar amounts paid
$61,389
Compensation of officers, directors and key employees
$0
Professional fees and payments to contractors
$250
Printing, publications and postage
$396
Other expenses
$3,279
Program services (functional)
$65,105

Balance sheet and other

Total assets, start of year
$136,069
Total assets, end of year
$143,371
Total liabilities, end of year
$0
Net assets, end of year
$143,371
Cash, savings and investments
$143,371
Gross receipts
$103,516

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-EZ for the year ended September 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
MARK VANDER SANDENSECRETRARY-TREAS0$0
ETHAN BUECHELPRESIDENT0$0
MATTHEW MCDONALD1ST VICE PRESIDENT0$0
RYAN TREICHEL2ND VICE PRESIDENT0$0
TOM KETCHUMDIRECTOR0$0
JOHN KORDUSDIRECTOR0$0
990-EZ for the year ended September 30, 2024: 6 people
NameTitleHours / weekCompensation
MARK VANDER SANDENSECRETRARY-TREAS0$0
DEREK BURKICKPRESIDENT0$0
ETHAN BUECHEL1ST VICE PRESIDENT0$0
MATTHEW MCDONALD2ND VICE PRESIDENT0$0
TOM KETCHUMDIRECTOR0$0
JOHN KORDUSDIRECTOR0$0
990-EZ for the year ended September 30, 2023: 6 people
NameTitleHours / weekCompensation
MARK VANDER SANDENSECRETRARY-TREAS0$0
KAYLEE FANDREYPRESIDENT0$0
DEREK BURDICK1ST VICE PRESIDENT0$0
ETHAN BUECHEL2ND VICE PRESIDENT0$0
TOM KETCHUMDIRECTOR0$0
JOHN KORDUSDIRECTOR0$0

Address and contacts

Address (IRS master file)
PO BOX 391, WAUSAU, WI 54402-0391
In care of
% MARK VANDERSANDEN
Signed the 990-EZ
MARK VANDERSANDEN, SECRETARY
Phone
(715) 848-5906
Return prepared by
Wausau Tax & Accounting Inc

Mission

HELP BETTER THE YOUTH OF OUR COMMUNITY

990-EZ for the year ended September 30, 2025

Program accomplishments

  • EDUCATIONAL AND YOUTH ORIENTED GRANTS
    Expenses $65,105 · grants $61,389

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990-EZ on file
2023September 30, 2024February 18, 2025990-EZ on file

File the 2025 990-EZ for OPTIMIST INTERNATIONAL

Due February 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-1098151
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
1958
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$143,371
Income (IRS master file)
$103,516

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZSeptember 2025$72,616$65,314$143,371XML
990-EZSeptember 2024$60,575$43,900$136,069XML
990-EZSeptember 2023$50,724$34,430$119,394XML
990-EZSeptember 2022–––IRS
990-EZSeptember 2021–––IRS
990-EZSeptember 2020–––IRS
990-EZSeptember 2019–––IRS
990-EZSeptember 2018–––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 39-1098151).

Questions about OPTIMIST INTERNATIONAL

What is the EIN of OPTIMIST INTERNATIONAL?
The employer identification number (EIN) of OPTIMIST INTERNATIONAL is 39-1098151.
Is OPTIMIST INTERNATIONAL tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1958.
Are donations to OPTIMIST INTERNATIONAL tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does OPTIMIST INTERNATIONAL file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of OPTIMIST INTERNATIONAL due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OPTIMIST INTERNATIONAL last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended September 2025.
Who are the officers and directors of OPTIMIST INTERNATIONAL?
The 990-EZ for the year ended September 30, 2025 lists 6 people; 0 received compensation from the organization.
How much revenue does OPTIMIST INTERNATIONAL have?
On its 990-EZ for the year ended September 30, 2025 it reported revenue of $72,616, expenses of $65,314 and total assets of $143,371 at year end.

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