Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 04-3697080

GREATER BUCKY OPEN INC

Tax-exempt · WAUNAKEE, WI 53597

Financials

$48K$2K2023$40K$83K2024$80K$41K2025
Revenue Expenses · by fiscal year end
Financials of GREATER BUCKY OPEN INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$80,456$41,085$39,371$44,680$0$44,680
December 31, 2024990-EZ$40,162$82,850-$42,688$5,309$0$5,309
December 31, 2023990-EZ$48,246$1,954$46,292$47,997$0$47,997
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$75,577
Net income from fundraising events
$4,879

Expenses

Grants and similar amounts paid
$35,998
Compensation of officers, directors and key employees
$0
Other expenses
$5,087
Program services (functional)
$39,210

Balance sheet and other

Total assets, start of year
$5,309
Total assets, end of year
$44,680
Total liabilities, end of year
$0
Net assets, end of year
$44,680
Cash, savings and investments
$37,888
Gross receipts
$116,194

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 December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
JOSEPH HILDEBRANDTDIRECTOR1$0
TIFFANY WILKEDIRECTOR1$0
VALERIE ZIBELLDIRECTOR1$0
DEREK HILDEBRANDTPRESIDENT5$0
JACQUIE VILSTRUPSECRETARY1$0
990-EZ for the year ended December 31, 2024: 5 people
NameTitleHours / weekCompensation
JOSEPH HILDEBRANDTDIRECTOR1$0
TIFFANY WILKEDIRECTOR1$0
VALERIE ZIBELLDIRECTOR1$0
DEREK HILDEBRANDTPRESIDENT5$0
JACQUIE VILSTRUPSECRETARY1$0
990-EZ for the year ended December 31, 2023: 5 people
NameTitleHours / weekCompensation
DEREK HILDEBRANDTPRESIDENT5$0
JACQUIE VILSTRUPSECRETARY1$0
JOSEPH HILDEBRANDTDIRECTOR1$0
TIFFANY WILKEDIRECTOR1$0
VALERIE ZIBELLDIRECTOR1$0

Address and contacts

Address (IRS master file)
6160 BRIGGS RD, WAUNAKEE, WI 53597-9460
In care of
% VALERIE WULFF
Signed the 990-EZ
DEREK HILDEBRANDT, PRESIDENT
Phone
(608) 770-8008
Return prepared by
WEGNER CPAS LLP

Mission

THE GREATER BUCKY OPEN STRIVES TO BRING COMFORT, SUPPORT AND WELCOME DISTRACTION TO PATIENTS AND FAMILIES AT THE UNIVERSITY OF WISCONSIN HEALTH'S AMERICAN FAMILY CHILDREN'S HOSPITAL.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • ANNUAL GOLF OUTING RAISES FUNDS FOR THE AMERICAN FAMILY CHILDREN'S HOSPITAL, UW BADGER FUND, BBAA AND BUCKYS.
    Expenses $35,738
  • ONGOING DONATION EVENTS UNDER THE BUCKY MASCOT ALUMNI ASSOCIATION (BMAA) TO RAISE FUNDS SPECIFICALLY FOR THE MASCOT FUND THROUGH THE UNIVERSITY OF WISCONSIN
    Expenses $3,472

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 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-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-EZ for GREATER BUCKY OPEN INC

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
04-3697080
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2002
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Human services (P84)
Assets (IRS master file)
$44,680
Income (IRS master file)
$116,194

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$80,456$41,085$44,680IRS
990-EZDecember 2024$40,162$82,850$5,309IRS
990-EZDecember 2023$48,246$1,954$47,997XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990-EZDecember 2020–––IRS
990-EZDecember 2018–––IRS
990-EZDecember 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 04-3697080).

Questions about GREATER BUCKY OPEN INC

What is the EIN of GREATER BUCKY OPEN INC?
The employer identification number (EIN) of GREATER BUCKY OPEN INC is 04-3697080.
Is GREATER BUCKY OPEN INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to GREATER BUCKY OPEN INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does GREATER BUCKY OPEN INC 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 GREATER BUCKY OPEN INC 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 GREATER BUCKY OPEN INC last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of GREATER BUCKY OPEN INC?
The 990-EZ for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
How much revenue does GREATER BUCKY OPEN INC have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $80,456, expenses of $41,085 and total assets of $44,680 at year end.

Other nonprofits in WAUNAKEE

All nonprofits in WAUNAKEE · Wisconsin · Human services