Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 26-4693636

PHI KAPPA SIGMA FRATERNITY

Also known as BADGER SKULLS ALUMNI ASSOCIATION

Tax-exempt · MADISON, WI 53703

Address and contacts

Address (IRS master file)
315 W WASHINGTON AVE, MADISON, WI 53703-2764
In care of
% BRIAN SCHAEFFER
Mailing address (990-N for 2025)
315 W WASHINGTON AVE, MADISON WI 53703
Principal officer (990-N for 2025)
CHRIS LEUENBERGER, 5364 ALEXANDER DR, RACINE WI 53402

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

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

File the 2026 990-N for PHI KAPPA SIGMA FRATERNITY

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
26-4693636
Tax-exempt status
501(c)(7): Social or recreational club
Donations deductible
No
Exempt since
1940
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: CHRIS LEUENBERGER
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: CHRIS LEUENBERGER
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: CHRIS LEUENBERGER
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: CHRIS LEUENBERGER
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Chris Leuenberger
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Chris Leuenberger
December 31, 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 26-4693636).

Questions about PHI KAPPA SIGMA FRATERNITY

What is the EIN of PHI KAPPA SIGMA FRATERNITY?
The employer identification number (EIN) of PHI KAPPA SIGMA FRATERNITY is 26-4693636.
Is PHI KAPPA SIGMA FRATERNITY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(7) since 1940.
Are donations to PHI KAPPA SIGMA FRATERNITY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does PHI KAPPA SIGMA FRATERNITY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of PHI KAPPA SIGMA FRATERNITY due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PHI 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 December 31, 2025.
Who is the principal officer of PHI KAPPA SIGMA FRATERNITY?
The 990-N for 2025 names CHRIS LEUENBERGER.

Other nonprofits in MADISON

All nonprofits in MADISON · Wisconsin