Data update history
June 21, 2023
Posted financials
Added Form 990EZ for fiscal year 2020
September 22, 2021
Posted financials
Added Form 990EZ for fiscal year 2019
September 30, 2020
Posted financials
Added Form 990EZ for fiscal year 2018
March 10, 2020
Used new vendors
Identified 2 new vendors, including , and
March 3, 2020
Updated personnel
Identified 4 new personnel
Nonprofit Types
Grantmaking organizationsDisease research fundraisersDisease-focused nonprofitsCharities
Issues
HealthEducationDiseases and disordersCancer
Characteristics
Conducts researchPartially liquidatedFundraising eventsFundraising races, competitions, and tournamentsTax deductible donationsNo full-time employees
General information
- Address
- PO Box 5140
- Madison, WI 53705
- Metro area
- Madison, WI
- County
- Dane County, WI
- Website URL
- siegfoundation.com/
- Phone
- (608) 239-3634
IRS details
- EIN
- 31-6665297
- Fiscal year end
- December
- Taxreturn type
- Form 990-EZ
- Year formed
- 2001
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- G30: Cancer
- NAICS code, primary
- 813212: Health and Disease Research Fundraising Organizations
- Parent/child status
- Independent
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