Nonprofit · EIN 11-2552044
SIGMA THETA TAU INC
Also known as 128 EPSILON KAPPA CHAPTER
Tax-exempt · ROCKVILLE CTR, NY 11570
Address and contacts
- Address (IRS master file)
- 1000 HEMPSTEAD AVE, ROCKVILLE CTR, NY 11570-1135
- In care of
- % ANN MARIE PARASZCZUK
- Mailing address (990-N for 2025)
- 1000 Hempstead Ave, Rockville Centre NY 11570
- Principal officer (990-N for 2025)
- Ann Langan Acimovic, 3822 Arthur Drive, Seaford NY 11783
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 | No data |
IRS record
- EIN
- 11-2552044
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Exempt since
- 1954
- Accounting year ends
- June
- Files
- Form 990-N (e-Postcard)
- Group exemption
- 1288: SIGMA THETA TAU INTERNATIONAL INC
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Ann Langan Acimovic | June 30, 2026 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2024 | June 30, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.
Questions about SIGMA THETA TAU INC
- What is the EIN of SIGMA THETA TAU INC?
- The employer identification number (EIN) of SIGMA THETA TAU INC is 11-2552044.
- Is SIGMA THETA TAU INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1954.
- Which annual return does SIGMA THETA TAU INC file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of SIGMA THETA TAU 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 SIGMA THETA TAU 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 SIGMA THETA TAU INC?
- The 990-N for 2025 names Ann Langan Acimovic.
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