Nonprofit · EIN 35-6077099
IOTA SIGMA PI
Also known as PLUTONIUM CHAPTER
Tax-exempt · WEST LAFAYETTE, IN 47907
Address and contacts
- Address (IRS master file)
- 560 OVAL DR BOX 945, WEST LAFAYETTE, IN 47907-2084
- In care of
- % SAMANTHA MEHNERT
- Mailing address (990-N for 2025)
- 560 Oval Dr Box 945, West Lafayette IN 47907
- Principal officer (990-N for 2025)
- Katherine Lee, 560 Oval Dr Box 945, West Lafayette IN 47907
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | 990-N on file |
| 2024 | June 30, 2025 | November 17, 2025 | 990-N on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990-N on file |
IRS record
- EIN
- 35-6077099
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Exempt since
- 1952
- Accounting year ends
- June
- Files
- Form 990-N (e-Postcard)
- Group exemption
- 1190: IOTA SIGMA PI
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Katherine Lee | June 30, 2026 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 Officer: SARA CATALINA BOTERO CARRIZOSA | June 30, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Samantha Mehnert | June 30, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Samantha Mehnert | June 30, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2019 Officer: Hilary Brown | June 30, 2020 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2018 Officer: Hannah Brown | June 30, 2019 | ≤ $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 35-6077099).
Questions about IOTA SIGMA PI
- What is the EIN of IOTA SIGMA PI?
- The employer identification number (EIN) of IOTA SIGMA PI is 35-6077099.
- Is IOTA SIGMA PI tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1952.
- Which annual return does IOTA SIGMA PI file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of IOTA SIGMA PI 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 IOTA SIGMA PI 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 IOTA SIGMA PI?
- The 990-N for 2025 names Katherine Lee.
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