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Nonprofit · EIN 04-6350524

KAPPA SIGMA FRATERNITY

Also known as GAMMA-PI CHAPTER

Tax-exempt · CAMBRIDGE, MA 02139

Address and contacts

Address (IRS master file)
407 MEMORIAL DR, CAMBRIDGE, MA 02139-4305
In care of
% MASSACHUSETTS INSTITUTE OF TECHNO
Mailing address (990-N for 2025)
407 MEMORIAL DR, CAMBRIDGE MA 021394305
Principal officer (990-N for 2025)
Gavin, Ng, Cambridge MA 02139

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 May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

IRS record

EIN
04-6350524
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1940
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Gavin
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Gavin Ng
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Caleb Wilson
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Caleb Wilson
May 31, 2023≤ $50,000 receipts––e-Postcard
990-EZMay 2022–––IRS
990-EZMay 2021–––IRS
990-N for 2013
Officer: Filip Twarowski
May 31, 2014≤ $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 04-6350524).

Questions about KAPPA SIGMA FRATERNITY

What is the EIN of KAPPA SIGMA FRATERNITY?
The employer identification number (EIN) of KAPPA SIGMA FRATERNITY is 04-6350524.
Is KAPPA SIGMA FRATERNITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1940.
Are donations to KAPPA SIGMA FRATERNITY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does KAPPA SIGMA FRATERNITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of KAPPA SIGMA FRATERNITY due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did KAPPA SIGMA FRATERNITY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of KAPPA SIGMA FRATERNITY?
The 990-N for 2025 names Gavin.

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