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Nonprofit · EIN 99-0886733

OEN - DES MOINES PREP

Tax-exempt · LITTLETON, CO 80120

Financials

$515K$390K2024
Revenue Expenses · by fiscal year end
Financials of OEN - DES MOINES PREP by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$515,000$389,514$125,486$4,328,428$4,202,941$125,487
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$515,000
Program service revenue
$0
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$66,945
Other salaries and wages
$109,092
Salaries, compensation and benefits (total)
$252,170
Professional fundraising fees
$0
Legal fees
$8,014
Occupancy
$28,867
Travel
$10,461
Program services (functional)
$321,491
Management and general (functional)
$68,023

Balance sheet and other

Total assets, start of year
$2,156
Total assets, end of year
$4,328,428
Total liabilities, end of year
$4,202,941
Net assets, end of year
$125,487
Land, buildings and equipment
$515,604
Net assets without donor restrictions
$125,487
Gross receipts
$515,000
Employees
1
Volunteers
0
Year formed
2024
State of legal domicile
IA

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 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationFrom related orgs
Manuel MattkePresident and Director
Trustee or director, Officer
2$0$1,999,014
Steve ChristensenSecretary and GC
Officer
1$0$315,554
Mark SimmonsVP and Treasurer
Officer
1$0$299,536
Matthew LakisPrincipal
Key employee
40$66,945$0
Tim RypmaDirector
Trustee or director
2$0$0
Jessi McQuerreyDirector
Trustee or director
2$0$0

Address and contacts

Address (IRS master file)
7901 SOUTHPARK PLZ STE 206, LITTLETON, CO 80120-4505
Mailing address (990-N for 2023)
7901 Southpark Plaza Suite 206, Littleton CO 80120
Principal officer (990 for 2024)
Manuel Mattke, 7901 Southpark Plaza Suite 206, Littleton, CO 80120
Principal officer (990-N for 2023)
Manuel Mattke, 7901 Southpark Plaza Suite 206, Littleton CO 80120
Signed the 990
Manuel Mattke, President
Phone
(303) 962-0025
Return prepared by
Steven L Christensen

Mission

Own and operate an Iowa charter secondary school.

990 for the year ended June 30, 2025

Program accomplishments

  • Own and operate an Iowa charter school in Des Moines, Iowa.
    Expenses $321,491 · revenue $515,000

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 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 on file
2023June 30, 2024November 15, 2024990-N on file

IRS record

EIN
99-0886733
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
School
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2024
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Education (B29)
Assets (IRS master file)
$4,328,428
Income (IRS master file)
$515,000

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$515,000$389,514$4,328,428IRS
990-N for 2023
Officer: Manuel Mattke
June 30, 2024≤ $50,000 receipts––e-Postcard

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 99-0886733).

Questions about OEN - DES MOINES PREP

What is the EIN of OEN - DES MOINES PREP?
The employer identification number (EIN) of OEN - DES MOINES PREP is 99-0886733.
Is OEN - DES MOINES PREP tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to OEN - DES MOINES PREP tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OEN - DES MOINES PREP 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 OEN - DES MOINES PREP 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 OEN - DES MOINES PREP last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of OEN - DES MOINES PREP?
The 990 for the year ended June 30, 2025 names Manuel Mattke.
Who are the officers and directors of OEN - DES MOINES PREP?
The 990 for the year ended June 30, 2025 lists 6 people; 1 received compensation from the organization.
How much revenue does OEN - DES MOINES PREP have?
On its 990 for the year ended June 30, 2025 it reported revenue of $515,000, expenses of $389,514 and total assets of $4,328,428 at year end.

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