Nonprofit · EIN 84-3703166
EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE
Tax-exempt · SUN PRAIRIE, WI 53590
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $382,827 | $406,027 | -$23,200 | $444,008 | $240,487 | $203,521 |
| June 30, 2024 | 990 | $530,784 | $402,550 | $128,234 | $479,462 | $252,741 | $226,721 |
| June 30, 2023 | 990 | $472,035 | $522,535 | -$50,500 | $386,081 | $287,594 | $98,487 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $153,768
- Program service revenue
- $236,742
- Investment income
- $2,773
- Net income from fundraising events
- -$10,372
- Net income from sales of inventory
- -$84
- Other revenue
- -$10,456
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $72,683
- Other salaries and wages
- $103,826
- Salaries, compensation and benefits (total)
- $189,177
- Professional fundraising fees
- $0
- Legal fees
- $782
- Accounting fees
- $4,252
- Occupancy
- $118,074
- Depreciation
- $45,924
- Program services (functional)
- $299,586
- Management and general (functional)
- $62,537
- Fundraising (functional)
- $43,904
Balance sheet and other
- Total assets, start of year
- $479,462
- Total assets, end of year
- $444,008
- Total liabilities, end of year
- $240,487
- Net assets, end of year
- $203,521
- Land, buildings and equipment
- $240,196
- Net assets without donor restrictions
- $190,796
- Net assets with donor restrictions
- $12,725
- Gross receipts
- $403,250
- Employees
- 23
- Volunteers
- 14
- Year formed
- 2019
- State of legal domicile
- WI
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHERINE KAMOKU | EXECUTIVE DIRECTOR Officer | 40 | $74,092 |
| ADAM SCHLEICHER | CHAIR Trustee or director, Officer | 1 | $0 |
| ELIZABETH KNUDTEN | SECRETARY Trustee or director, Officer | 1 | $0 |
| KYLE AGER | TREASURER Trustee or director, Officer | 1 | $0 |
| EMILY AREVALO | DIRECTOR Trustee or director | 1 | $0 |
| KAYLA JENSEN | DIRECTOR Trustee or director | 1 | $0 |
| JENNIFER APODACA | DIRECTOR Trustee or director | 1 | $0 |
| TODD LABEAU | DIRECTOR Trustee or director | 1 | $0 |
| KATHLEEN LABEAU | DIRECTOR Trustee or director | 1 | $0 |
| JOSH PAGE | DIRECTOR Trustee or director | 1 | $0 |
| DEANNA POPKE | DIRECTOR Trustee or director | 1 | $0 |
| CAROLINE STRAUSS | DIRECTOR THROUGH FEBRUARY Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHERINE KAMOKU | EXECUTIVE DIRECTOR Officer | 40 | $70,000 |
| ADAM SCHLEICHER | CHAIR Trustee or director, Officer | 1 | $0 |
| LINDA CRAWFORD | SECRETARY THROUGH OCTOBER Trustee or director, Officer | 1 | $0 |
| ELIZABETH KNUDTEN | SECRETARY STARTING OCTOBER Trustee or director, Officer | 1 | $0 |
| KYLE AGER | TREASURER Trustee or director, Officer | 1 | $0 |
| CAROLINE STRAUSS | DIRECTOR Trustee or director | 1 | $0 |
| EMILY AREVALO | DIRECTOR Trustee or director | 1 | $0 |
| JOSH PAGE | DIRECTOR Trustee or director | 1 | $0 |
| DEANNA POPKE | DIRECTOR Trustee or director | 1 | $0 |
| JENNIFER APODACA | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended June 30, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHERINE KAMOKU | EXECUTIVE DIRECTOR Officer | 40 | $56,923 |
| ADAM SCHLEICHER | CHAIR Trustee or director, Officer | 1 | $0 |
| LINDA CRAWFORD | SECRETARY Trustee or director, Officer | 1 | $0 |
| KYLE AGER | TREASURER Trustee or director, Officer | 1 | $0 |
| JULIE SUNDARAM | DIRECTOR Trustee or director | 1 | $0 |
| KELLY NELSON | DIRECTOR Trustee or director | 1 | $0 |
| ELIZABETH KNUDTEN | DIRECTOR Trustee or director | 1 | $0 |
| TENISHA WINN | DIRECTOR THROUGH MAY Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 1433 W MAIN ST, SUN PRAIRIE, WI 53590-1837
- In care of
- % KELLY NELSON
- Mailing address (990-N for 2020)
- PO Box 31, Sun Prairie WI 53590
- Principal officer (990 for 2024)
- KATHERINE KAMOKU, 1433 W MAIN ST, SUN PRAIRIE, WI 53590
- Principal officer (990-N for 2020)
- Katey Kamoku, PO Box 31, Sun Prairie WI 53590
- Signed the 990
- KATHERINE KAMOKU, EXECUTIVE DIRECTOR
- Phone
- (608) 478-5456
- Website
- www.explorecm.org
- Return prepared by
- WEGNER CPAS LLP
Mission
EXPLORE CHILDREN'S MUSEUM'S MISSION IS TO PROVIDE MEANINGFUL OPPORTUNITIES, INSPIRE PARTICIPATION IN PURPOSEFUL PLAY, AND PROMOTE LIFELONG LEARNING.
Program accomplishments
- EXPLORE CHILDREN'S MUSEUM OF SUN PRAIRIE, INC.'S PURPOSE IS TO: TO CREATE A COMMUNITY SPACE OF MEANINGFUL CONTENT THAT INSPIRES CREATIVITY, EXPLORATION, ENGAGEMENT, SHARED LEARNING, COLLABORATION, COMMUNICATION, CRITICAL THINKING SKILLS AND FUN FOR GUESTS OF ALL AGES; TO CREATE AN EDUCATIONAL INSTITUTION WHERE INDIVIDUALS TAKE AN ACTIVE ROLE IN THE LEARNING ENVIRONMENT, DEVELOP AN UNDERSTANDING OF DIVERSE ENVIRONMENTS, AND INTERACT IN SOCIAL CONTEXTS; TO PROVIDE HANDS ON, INTERACTIVE, PLAY BASED AND DEVELOPMENTALLY APPROPRIATE LEARNING OPPORTUNITIES FOR CHILDREN.EXPLORE CHILDREN'S MUSEUM HAD 39,410 CHILDREN AND THEIR CAREGIVERS VISIT; 153 PARTIES AND EVENTS TOOK PLACE AT THE MUSEUM, SERVING 3,049 GUESTS; AND 441 FAMILY/DAYCARE MEMBERSHIPS AND 30 ALL ACCESS FAMILY MEMBERSHIPS WERE ISSUED.THE ORGANIZATION EXPANDED THE ALL ACCESS PROGRAM TO ENSURE FINANCIAL CONTRAINTS ARE NOT AN OBSTACLE FOR VISITORS. DURING THE 2025 FISCAL YEAR, 700 VISITORS UTILIZED OUR ALL ACCESS PROGRAM.Expenses $299,586 · revenue $236,742
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 84-3703166
- 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
- 2020
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A52)
- Assets (IRS master file)
- $444,008
- Income (IRS master file)
- $403,250
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $382,827 | $406,027 | $444,008 | IRS |
| 990 | June 2024 | $530,784 | $402,550 | $479,462 | IRS |
| 990 | June 2023 | $472,035 | $522,535 | $386,081 | XML |
| 990 | June 2022 | $382,659 | $317,654 | $466,722 | IRS |
| 990-N for 2020 Officer: Katey Kamoku | June 30, 2021 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Katey Kamoku | June 30, 2020 | ≤ $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 84-3703166).
Questions about EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE
- What is the EIN of EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE?
- The employer identification number (EIN) of EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE is 84-3703166.
- Is EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
- Are donations to EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE 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 EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE 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 EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE 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 EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE?
- The 990 for the year ended June 30, 2025 names KATHERINE KAMOKU.
- Who are the officers and directors of EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE?
- The 990 for the year ended June 30, 2025 lists 12 people; 1 received compensation from the organization, the highest $74,092 (KATHERINE KAMOKU, EXECUTIVE DIRECTOR).
- How much revenue does EXPLORE CHILDRENS MUSEUM OF SUN PRAIRIE have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $382,827, expenses of $406,027 and total assets of $444,008 at year end.
Other nonprofits in SUN PRAIRIE
- BUILDING LEADERS USING MUSIC EDUCATION IN HAITI EIN 80-0784576 · last filed 990 for 2025
- SUN PRAIRIE CIVIC THEATRE EIN 23-7102718 · last filed 990 for 2025
- PRAIRIE MUSIC & ARTS EIN 20-4959117 · last filed 990-EZ for 2025
- BUDDHA CEO QUANTUM FOUNDATION USA INC EIN 93-3323534 · last filed 990 for 2025
- MARY SCHMIDT CHORAL FOUNDATION INC EIN 38-3984482 · last filed 990-N for 2024
- KLJ MOVEMENT EIN 85-4168425 · last filed 990-N for 2023
- PLAYWRIGHTS INK LTD EIN 39-1783226 · last filed 990-N for 2025
- SUN PRAIRIE TAMIL SOCIETY INC EIN 84-2772806 · last filed 990-N for 2025
All nonprofits in SUN PRAIRIE · Wisconsin · Arts, culture and humanities