Nonprofit · EIN 84-2556473
SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION
Tax-exempt · LEAD, SD 57754
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 (amended) | $16,587,928 | $1,158,512 | $15,429,416 | $15,607,091 | $100,000 | $15,507,091 |
| June 30, 2024 | 990 | $93,207 | $655,202 | -$561,995 | $77,675 | $0 | $77,675 |
| June 30, 2023 | 990 | $196,225 | $25,001 | $171,224 | $639,670 | $0 | $639,670 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $16,587,928
- of which government grants
- $9,869
- Program service revenue
- $0
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $58,512
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Depreciation
- $1,100,000
- Program services (functional)
- $1,158,512
Balance sheet and other
- Total assets, start of year
- $77,675
- Total assets, end of year
- $15,607,091
- Total liabilities, end of year
- $100,000
- Net assets, end of year
- $15,507,091
- Land, buildings and equipment
- $15,400,000
- Net assets without donor restrictions
- $11,559
- Net assets with donor restrictions
- $15,495,532
- Gross receipts
- $16,587,928
- Employees
- 0
- Volunteers
- 9
- Year formed
- 2019
- State of legal domicile
- SD
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| MIKE HEADLEY | EXECUTIVE DI Officer | 40 | $0 | $392,969 | $64,466 |
| TERRY MILLER | CFO Officer | 40 | $0 | $217,885 | $42,322 |
| MICHELLE KANE | 2023 FOUND. Officer | 40 | $0 | $112,232 | $29,472 |
| ANNIE AVERITT | 2024 FOUND. Officer | 40 | $0 | $0 | $0 |
| BETH MASSA | CHAIR Trustee or director, Officer | 0.25 | $0 | $0 | $0 |
| CHRIS FALL | TREASURER/SE Trustee or director, Officer | 0.25 | $0 | $0 | $0 |
| JULIE OLSON | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| LINN EVANS | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| BARBARA SZCZERBINSKA | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| JUSTIN VARLAND | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| ROBERT WILSON | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| CASEY PETERSON | EX-OFFICIO D Trustee or director | 0.25 | $0 | $0 | $0 |
| FRED ROMKEMA | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
990 for the year ended June 30, 2024: 13 people
| Name | Title | Hours / week | Compensation | From related orgs | Other / benefits |
|---|---|---|---|---|---|
| MICHELLE KANE | FOUNDATION D Officer | 40 | $0 | $103,262 | $6,361 |
| ANNIE AVERITT | 2024 FOUND. Officer | 0 | $0 | $0 | $0 |
| BETH MASSA | CHAIR Trustee or director, Officer | 0.25 | $0 | $0 | $0 |
| ADAM GOLLOFON | VICE CHAIR Trustee or director, Officer | 0.25 | $0 | $0 | $0 |
| CHRIS FALL | TREASURER/SE Trustee or director, Officer | 0.25 | $0 | $0 | $0 |
| JULIE OLSON | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| LINN EVANS | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| BARBARA SZCZERBINSKA | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| JUSTIN VARLAND | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| ROBERT WILSON | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| CASEY PETERSON | EX-OFFICIO D Trustee or director | 0.25 | $0 | $0 | $0 |
| FRED ROMKEMA | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
| AURELIA GIACOMETTO | DIRECTOR Trustee or director | 0.25 | $0 | $0 | $0 |
990 for the year ended June 30, 2023: 14 people
| Name | Title | Hours / week | Compensation | From related orgs |
|---|---|---|---|---|
| PRISCILLA ROMKEMA | FOUNDATION D Officer | 40 | $0 | $10,659 |
| MICHELLE KANE | FOUNDATION D Officer | 40 | $0 | $0 |
| JULIE OLSON | CHAIR Trustee or director, Officer | 0.25 | $0 | $0 |
| BETH MASSA | VICE CHAIR Trustee or director, Officer | 0.25 | $0 | $0 |
| CHRIS FALL | TREASURER/SE Trustee or director, Officer | 0.25 | $0 | $0 |
| LINN EVANS | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| AURELIA GIACOMETTO | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| ADAM GOLLOFON | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| SANDRA STASH | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| BARBARA SZCZERBINSKA | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| JUSTIN VARLAND | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| ROBERT WILSON | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
| CASEY PETERSON | EX-OFFICIO D Trustee or director | 0.25 | $0 | $0 |
| FRED ROMKEMA | DIRECTOR Trustee or director | 0.25 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- C/O MICHELLE KANE, LEAD, SD 57754-0000
- In care of
- % MIKE HEADLEY
- Principal officer (990 for 2024)
- MIKE HEADLEY, 630 E SUMMIT STREET, LEAD, SD 57754
- Signed the 990
- MIKE HEADLEY, EXECUTIVE DIRECTOR
- Phone
- (605) 571-2303
- Website
- HTTPS://WWW.SANFORDLAB.ORG/
- Return prepared by
- KETEL THORSTENSON LLP
Mission
THE ORGANIZATION IS ORGANIZED EXCLUSIVELY FOR CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING, FOR SUCH PURPOSES, THE MAKING OF DISTRIBUTIONS TO AND SUPPORTING THE CHARITABLE, EDUCATIONAL AND SCIENTIFIC MISSION AND PROGRAM OF THE SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY.
Program accomplishments
- THE ORGANIZATION IS ORGANIZED EXCLUSIVELY FOR CHARITABLE, EDUCATIONAL, AND SCIENTIFIC PURPOSES, INCLUDING, FOR SUCH PURPOSES, THE MAKING OF DISTRIBUTIONS TO AND SUPPORTING THE CHARITABLE, EDUCATIONAL AND SCIENTIFIC MISSION AND PROGRAM OF THE SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY.Expenses $1,158,512 · grants $58,512
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 84-2556473
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization, Type I
- Donations deductible (Pub 78)
- Supporting organization, 50% limit
- Exempt since
- 2020
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Public and societal benefit (W11)
- Assets (IRS master file)
- $15,607,091
- Income (IRS master file)
- $16,587,928
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $16,587,928 | $1,158,512 | $15,607,091 | XML |
| 990 | June 2024 | $93,207 | $655,202 | $77,675 | XML |
| 990 | June 2023 | $196,225 | $25,001 | $639,670 | XML |
| 990 | June 2022 | $243,566 | $159,984 | $468,446 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-EZ | June 2020 | – | – | – | IRS |
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 84-2556473).
Questions about SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION
- What is the EIN of SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION?
- The employer identification number (EIN) of SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION is 84-2556473.
- Is SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
- Are donations to SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
- Which annual return does SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION?
- The 990 for the year ended June 30, 2025 names MIKE HEADLEY.
- Who are the officers and directors of SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION?
- The 990 for the year ended June 30, 2025 lists 13 people; 0 received compensation from the organization.
- How much revenue does SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $16,587,928, expenses of $1,158,512 and total assets of $15,607,091 at year end.
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