Skip to main content

Nonprofit · EIN 43-1120531

MISSOURI AQUARIUM SOCIETY INC

Also known as ANDY WALKER

Tax-exempt · MARYLAND HTS, MO 63043

Address and contacts

Address (IRS master file)
PO BOX 1074, MARYLAND HTS, MO 63043-0074
Mailing address (990-N for 2025)
PO Box 1074, Maryland Heights MO 63043
Principal officer (990-N for 2025)
Steve Coxon, PO Box 1074, Maryland Heights MO 63043

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

IRS record

EIN
43-1120531
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
2023
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Steve Coxon
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Ian Eggert
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Ian Eggert
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2015
Officer: Daniell Kinder
June 30, 2016≤ $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 43-1120531).

Questions about MISSOURI AQUARIUM SOCIETY INC

What is the EIN of MISSOURI AQUARIUM SOCIETY INC?
The employer identification number (EIN) of MISSOURI AQUARIUM SOCIETY INC is 43-1120531.
Is MISSOURI AQUARIUM SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2023.
Are donations to MISSOURI AQUARIUM SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MISSOURI AQUARIUM SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MISSOURI AQUARIUM SOCIETY INC due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MISSOURI AQUARIUM SOCIETY INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of MISSOURI AQUARIUM SOCIETY INC?
The 990-N for 2025 names Steve Coxon.

Other nonprofits in MARYLAND HTS

All nonprofits in MARYLAND HTS · Missouri · Recreation and sports