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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 35-2651454

SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT

Also known as ST LOUIS CHAPTER

Tax-exempt · SAINT LOUIS, MO 63121

Address and contacts

Address (IRS master file)
1 UNIVERSITY BLVD, SAINT LOUIS, MO 63121-4400
Mailing address (990-N for 2025)
One University Blvd, St Louis MO 63121
Principal officer (990-N for 2025)
Sandra Langeslag, 477 Sunstone Drive, Ballwin MO 63011

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

File the 2026 990-N for SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT

Due November 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
35-2651454
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
School
Exempt since
1944
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Sandra Langeslag
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Sandra Langeslag
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Sandra Langeslag
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Sandra Langeslag
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Sandra Langeslag
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: CARISSA PHILITTI
June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Sandra Langeslag
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 35-2651454).

Questions about SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT

What is the EIN of SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT?
The employer identification number (EIN) of SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT is 35-2651454.
Is SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1944.
Which annual return does SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIGMA DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT 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 DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT 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 DELTA EPSILON GRADUATE WOMENS SCIENTIFIC FRAT?
The 990-N for 2025 names Sandra Langeslag.

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