Civic Intelligence

Sanford Underground Research

EIN 84-2556473 • 501(c)3 • Lead, SD

Profile

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.

C/O Michelle KaneLead, SD 57754

www.sanfordlab.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

13th percentile

0.01x

Higher debt load relative to assets than 13% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2025

Liabilities / Revenue

9th percentile

0.01x

Higher debt load relative to revenue than 9% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2025

Net Margin

98th percentile

93%

Higher net margin than 98% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Source year 2025

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

99th percentile

394%

Faster asset growth than 99% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2025

Revenue Growth

99th percentile

819%

Faster revenue growth than 99% of similar nonprofits.

501(c)3 • $10M-$25M nonprofits • Annualized from 2023 to 2025

Balance Sheet
Liabilities / Assets13th percentile

Assets

Up

$15,607,091

Up $15,529,416 (+19993%) from 2024

Liabilities

Up

$100,000

Up $100,000 from 2024

Net Assets

Up

$15,507,091

Up $15,429,416 (+19864%) from 2024

Operations
Liabilities / Revenue9th percentileNet Margin98th percentile

Revenue

Up

$16,587,928

Up $16,494,721 (+17697%) from 2024

Expenses

Up

$1,158,512

Up $503,310 (+77%) from 2024

Net Income

Up

$15,429,416

Up $15,991,411 (+2845%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth99th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$20M$15M$10M$5.0M$0Assets 2020: $75,001Net Assets 2020: $75,0012020Assets 2021: $384,864Liabilities 2021: $0Net Assets 2021: $384,8642021Assets 2022: $468,446Liabilities 2022: $0Net Assets 2022: $468,4462022Assets 2023: $639,670Liabilities 2023: $0Net Assets 2023: $639,6702023Assets 2024: $77,675Liabilities 2024: $0Net Assets 2024: $77,6752024Assets 2025: $15,607,091Liabilities 2025: $100,000Net Assets 2025: $15,507,0912025

Highlighted filing

2025

Assets$15,607,091
Liabilities$100,000
Net Assets$15,507,091
Open 2025 Filing

Operations Trend

Revenue Growth99th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$20M$15M$10M$5.0M$0-$5.0MRevenue 2020: $97,842Expenses 2020: $22,841Net Income 2020: $75,0012020Revenue 2021: $390,825Expenses 2021: $80,962Net Income 2021: $309,8632021Revenue 2022: $243,566Expenses 2022: $159,984Net Income 2022: $83,5822022Revenue 2023: $196,225Expenses 2023: $25,001Net Income 2023: $171,2242023Revenue 2024: $93,207Expenses 2024: $655,202Net Income 2024: -$561,9952024Revenue 2025: $16,587,928Expenses 2025: $1,158,512Net Income 2025: $15,429,4162025

Highlighted filing

2025

Revenue$16,587,928
Expenses$1,158,512
Net Income$15,429,416
Open 2025 Filing

Filings

Most recent year

2025 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$15,607,091
Liabilities
$100,000
Net assets
$15,507,091
Revenue
$16,587,928
Expenses
$1,158,512
Net income
$15,429,416
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$15.6$0.10$15.5$16.6$1.16$15.4
2024Detailed filing. Detailed filing data is available for this year.$0.08$0.00$0.08$0.09$0.66$0.56
2023Detailed filing. Detailed filing data is available for this year.$0.64$0.00$0.64$0.20$0.03$0.17
2022Detailed filing. Detailed filing data is available for this year.$0.47$0.00$0.47$0.24$0.16$0.08
2021Detailed filing. Detailed filing data is available for this year.$0.38$0.00$0.38$0.39$0.08$0.31
2020Detailed filing. Detailed filing data is available for this year.$0.08$0.08$0.10$0.02$0.08
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Mar 31, 2026
Return Version
2024v5.0
Gross Receipts
$16,587,928
Mission and Program Overview

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.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net-$15,400,000-
Cash and Non-Interest-Bearing Accounts$59,175$107,091▲ $47,916
Pledges and Grants Receivable$15,000$100,000▲ $85,000
Accounts Receivable$3,500--
Total Assets$77,675$15,607,091▲ $15,529,416
Liabilities
Deferred Revenue-$100,000-
Total Liabilities$0$100,000▲ $100,000
Net Assets / Fund Balance
Net Assets With Donor Restrictions$74,171$15,495,532▲ $15,421,361
Net Assets Without Donor Restrictions$3,504$11,559▲ $8,055
Total Net Assets Fund Balance$77,675$15,507,091▲ $15,429,416
Total Liabilities and Net Assets / Fund Balance$77,675$15,607,091▲ $15,529,416

Asset Categories

AssetBook ValueDepreciationBasis
Equipment$15,400,000$1,100,000$16,500,000
Compensation and Service Providers
Top Officer PayScore unavailable

Employees

NameTitleFull / Part TimeOtherTotal
Mike HeadleyExecutive DiFT$457,435$457,435
Michelle Kane2023 Found.FT$141,704$141,704

Board Members and Trustees

NameTitle
Beth MassaChair
Barbara SzczerbinskaDirector
Fred RomkemaDirector
Julie OlsonDirector
Justin VarlandDirector
Linn EvansDirector
Robert WilsonDirector
Mike HeadleyExecutive Director
Annie Averitt2024 Found.
Terry MillerCFO
Casey PetersonEx-officio D
Chris FallTreasurer/se
Revenue and Support

Revenue Composition

Contributions and Grants
$16,587,928
Program Service Revenue
$0
Investment Income
$0
Other Revenue
$0
All Other Contributions
$16,578,059
Change in Net Assets
$15,429,416

Noncash Contribution Practices

Property subject to holding requirements
No
Reviewed unusual noncash gifts
No
Third parties used for noncash contributions
No

Noncash Contributions

Contribution TypeContribution CountReported Amount
Other Non Cash Contri Table1$16,500,000
Total Noncash Contributions1$16,500,000
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$1,100,000
Grants and Similar Amounts Paid$58,512
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Depreciation Depletion$1,100,000--$1,100,000
Grants to Domestic Orgs$58,512--$58,512
Total Functional Expenses$1,158,512$0$0$1,158,512
International Activity

Grant and Assistance Recipients

RecipientLocationCategoryPurposeAmount
South Dakota Science & TechnologyLead, SDGovMaintain Sdsta$58,512
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
Yes
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
Yes
Key decisions subject to board approval
Yes
Management duties delegated
No

Governance Explanations

Form 990, Page 6, Part VI, Line 7B

“Foundation board members are subject to approval by the south dakota science and technology authority board.”

Form 990, Page 6, Part VI, Line 11B

“The form 990 is prepared by a cpa and then reviewed by the cfo, executive director, and board of directors of the sanford underground research facility foundation.”

Form 990, Page 6, Part VI, Line 12C

“If the board has reasonable cause to believe a director or officer has failed to disclose actual or possible conflicts of interest, it shall inform the person of the basis for such belief and afford the member an opportunity to explain the alleged failure to disclose. If, after hearing the person's response and after making further investigation as warranted by the circumstances, the board determines the person has failed to disclose an actual or possible conflict of interest, it shall take appropriate disciplinary and corrective action.”

Form 990, Page 6, Part VI, Line 15A

“Compensation package is developed using regional salary information available online.”

Form 990, Page 6, Part VI, Line 15B

“The organization does not compensate any other officers.”

Form 990, Page 6, Part VI, Line 19

“Governing documents are made available to the public upon request.”

Filing and Contact Details

Filer

Filer Name
Sanford Underground Research
EIN
84-2556473
Phone
6055712303
Address
630 E SUMMIT STREET, LEAD, SD 57754

Signing Officer

Name
Mike Headley
Title
Executive Director
Phone
6057224033
Signed
2026-03-31
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Mike Headley
Formed
2019
Legal Domicile
Sd
Voting Board Members
9
Independent Board Members
9
Employees
0
Volunteers
9

Preparer

Firm
Ketel Thorstenson Llp
Address
PO BOX 3140, RAPID CITY, SD 57709-3140
Preparer
Traci Hanson CPA
Phone
6053425630
Supplemental Narrative

Additional Explanations

Form 990, Page 1, Item B

“This amended 990 return includes an update to the signer and principal officer and schedule a to clarify that the foundation's board members are subject to the approval by the south dakota science and technology authority board.”

FORM 990 - ORGANIZATION'S 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.”

Raw XML AppendixShowing 400 of 453 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
IRS990/AccountantCompileOrReviewInd0false
IRS990/AccountsReceivableGrp/BOYAmt03500
IRS990/ActivitiesConductedPrtshpInd0false
IRS990/ActivityOrMissionDesc0THE 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.
IRS990/AllOtherContributionsAmt016578059
IRS990/AmendedReturnInd0X
IRS990/AnnualDisclosureCoveredPrsnInd0true
IRS990/AuditCommitteeInd0true
IRS990/BooksInCareOfDetail/PersonNm0TERRY MILLER
IRS990/BooksInCareOfDetail/PhoneNum06055712303
IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt0630 E SUMMIT STREET
IRS990/BooksInCareOfDetail/USAddress/CityNm0LEAD
IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd0SD
IRS990/BooksInCareOfDetail/USAddress/ZIPCd057754
IRS990/BusinessRlnWith35CtrlEntInd0false
IRS990/BusinessRlnWithFamMemInd0false
IRS990/BusinessRlnWithOrgMemInd0false
IRS990/CashNonInterestBearingGrp/BOYAmt059175
IRS990/CashNonInterestBearingGrp/EOYAmt0107091
IRS990/ChangeToOrgDocumentsInd0false
IRS990/CollectionsOfArtInd0false
IRS990/CompensationFromOtherSrcsInd0false
IRS990/CompensationProcessCEOInd0true
IRS990/CompensationProcessOtherInd0true
IRS990/ConflictOfInterestPolicyInd0true
IRS990/ConservationEasementsInd0false
IRS990/ConsolidatedAuditFinclStmtInd0true
IRS990/CreditCounselingInd0false
IRS990/CYBenefitsPaidToMembersAmt00
IRS990/CYContributionsGrantsAmt016587928
IRS990/CYGrantsAndSimilarPaidAmt058512
IRS990/CYInvestmentIncomeAmt00
IRS990/CYOtherExpensesAmt01100000
IRS990/CYOtherRevenueAmt00
IRS990/CYProgramServiceRevenueAmt00
IRS990/CYRevenuesLessExpensesAmt015429416
IRS990/CYSalariesCompEmpBnftPaidAmt00
IRS990/CYTotalExpensesAmt01158512
IRS990/CYTotalFundraisingExpenseAmt00
IRS990/CYTotalProfFndrsngExpnsAmt00
IRS990/CYTotalRevenueAmt016587928
IRS990/DecisionsSubjectToApprovaInd0true
IRS990/DeductibleArtContributionInd0false
IRS990/DeductibleNonCashContriInd0true
IRS990/DeferredRevenueGrp/EOYAmt0100000
IRS990/DelegationOfMgmtDutiesInd0false
IRS990/DepreciationDepletionGrp/ProgramServicesAmt01100000
IRS990/DepreciationDepletionGrp/TotalAmt01100000
IRS990/Desc0THE 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.
IRS990/DescribedInSection501c3Ind0true
IRS990/DisregardedEntityInd0false
IRS990/DocumentRetentionPolicyInd0true
IRS990/DonorAdvisedFundInd0false
IRS990/DonorRestrictionNetAssetsGrp/BOYAmt074171
IRS990/DonorRestrictionNetAssetsGrp/EOYAmt015495532
IRS990/DonorRstrOrQuasiEndowmentsInd0false
IRS990/ElectionOfBoardMembersInd0false
IRS990/EmployeeCnt00
IRS990/EngagedInExcessBenefitTransInd0false
IRS990/ExpenseAmt01158512
IRS990/FamilyOrBusinessRlnInd0false
IRS990/FederalGrantAuditRequiredInd0false
IRS990/ForeignActivitiesInd0false
IRS990/ForeignFinancialAccountInd0false
IRS990/ForeignOfficeInd0false
IRS990/Form8282PropertyDisposedOfInd0false
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt040.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt140.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt240.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt340.00
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt40.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt50.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt60.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt70.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt80.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt90.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt100.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt110.25
IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt120.25
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd0X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd1X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd2X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd3X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd4X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd5X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd6X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd7X
IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd8X
IRS990/Form990PartVIISectionAGrp/OfficerInd0X
IRS990/Form990PartVIISectionAGrp/OfficerInd1X
IRS990/Form990PartVIISectionAGrp/OfficerInd2X
IRS990/Form990PartVIISectionAGrp/OfficerInd3X
IRS990/Form990PartVIISectionAGrp/OfficerInd4X
IRS990/Form990PartVIISectionAGrp/OfficerInd5X
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt064466
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt142322
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt229472
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt30
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt40
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt50
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt60
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt70
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt80
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt90
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt100
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt110
IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt120
IRS990/Form990PartVIISectionAGrp/PersonNm0MIKE HEADLEY
IRS990/Form990PartVIISectionAGrp/PersonNm1TERRY MILLER
IRS990/Form990PartVIISectionAGrp/PersonNm2MICHELLE KANE
IRS990/Form990PartVIISectionAGrp/PersonNm3ANNIE AVERITT
IRS990/Form990PartVIISectionAGrp/PersonNm4BETH MASSA
IRS990/Form990PartVIISectionAGrp/PersonNm5CHRIS FALL
IRS990/Form990PartVIISectionAGrp/PersonNm6JULIE OLSON
IRS990/Form990PartVIISectionAGrp/PersonNm7LINN EVANS
IRS990/Form990PartVIISectionAGrp/PersonNm8BARBARA SZCZERBINSKA
IRS990/Form990PartVIISectionAGrp/PersonNm9JUSTIN VARLAND
IRS990/Form990PartVIISectionAGrp/PersonNm10ROBERT WILSON
IRS990/Form990PartVIISectionAGrp/PersonNm11CASEY PETERSON
IRS990/Form990PartVIISectionAGrp/PersonNm12FRED ROMKEMA
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt00
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt10
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt20
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt80
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt90
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt100
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt120
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt0392969
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt1217885
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt2112232
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt30
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt40
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt50
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt60
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt70
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt80
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt90
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt100
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt110
IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt120
IRS990/Form990PartVIISectionAGrp/TitleTxt0EXECUTIVE DI
IRS990/Form990PartVIISectionAGrp/TitleTxt1CFO
IRS990/Form990PartVIISectionAGrp/TitleTxt22023 FOUND.
IRS990/Form990PartVIISectionAGrp/TitleTxt32024 FOUND.
IRS990/Form990PartVIISectionAGrp/TitleTxt4CHAIR
IRS990/Form990PartVIISectionAGrp/TitleTxt5TREASURER/SE
IRS990/Form990PartVIISectionAGrp/TitleTxt6DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt7DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt8DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt9DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt10DIRECTOR
IRS990/Form990PartVIISectionAGrp/TitleTxt11EX-OFFICIO D
IRS990/Form990PartVIISectionAGrp/TitleTxt12DIRECTOR
IRS990/Form990ProvidedToGvrnBodyInd0true
IRS990/FormationYr02019
IRS990/FormerOfcrEmployeesListedInd0false
IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd0X
IRS990/FSAuditedInd0true
IRS990/FundraisingActivitiesInd0false
IRS990/GamingActivitiesInd0false
IRS990/GoverningBodyVotingMembersCnt09
IRS990/GovernmentGrantsAmt09869
IRS990/GrantAmt058512
IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt058512
IRS990/GrantsToDomesticOrgsGrp/TotalAmt058512
IRS990/GrantsToIndividualsInd0false
IRS990/GrantsToOrganizationsInd0true
IRS990/GrantToRelatedPersonInd0false
IRS990/GrossReceiptsAmt016587928
IRS990/GroupReturnForAffiliatesInd0false
IRS990/IncludeFIN48FootnoteInd0false
IRS990/IndependentAuditFinclStmtInd0false
IRS990/IndependentVotingMemberCnt09
IRS990/IndoorTanningServicesInd0false
IRS990/InfoInScheduleOPartIIIInd0X
IRS990/InfoInScheduleOPartVIInd0X
IRS990/InvestmentInJointVentureInd0false
IRS990/IRPDocumentCnt00
IRS990/IRPDocumentW2GCnt00
IRS990/LandBldgEquipAccumDeprecAmt01100000
IRS990/LandBldgEquipBasisNetGrp/EOYAmt015400000
IRS990/LandBldgEquipCostOrOtherBssAmt016500000
IRS990/LegalDomicileStateCd0SD
IRS990/LoanOutstandingInd0false
IRS990/LobbyingActivitiesInd0false
IRS990/LocalChaptersInd0false
IRS990/MaterialDiversionOrMisuseInd0false
IRS990/MembersOrStockholdersInd0false
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd0true
IRS990/MinutesOfGoverningBodyInd0true
IRS990/MissionDesc0THE 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.
IRS990/MoreThan5000KToIndividualsInd0false
IRS990/MoreThan5000KToOrgInd0false
IRS990/NetAssetsOrFundBalancesBOYAmt077675
IRS990/NetAssetsOrFundBalancesEOYAmt015507091
IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt03504
IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt011559
IRS990/NoncashContributionsAmt016500000
IRS990/NondeductibleContributionsInd0false
IRS990/OfficerMailingAddressInd0false
IRS990/OperateHospitalInd0false
IRS990/Organization501c3Ind0X
IRS990/OrganizationFollowsFASB117Ind0X
IRS990/PartialLiquidationInd0false
IRS990/PayPremiumsPrsnlBnftCntrctInd0false
IRS990/PledgesAndGrantsReceivableGrp/BOYAmt015000
IRS990/PledgesAndGrantsReceivableGrp/EOYAmt0100000
IRS990/PoliticalCampaignActyInd0false
IRS990/PrincipalOfficerNm0MIKE HEADLEY
IRS990/ProfessionalFundraisingInd0false
IRS990/ProhibitedTaxShelterTransInd0false
IRS990/PYContributionsGrantsAmt092840
IRS990/PYExcessBenefitTransInd0false
IRS990/PYGrantsAndSimilarPaidAmt0654714
IRS990/PYInvestmentIncomeAmt0367
IRS990/PYOtherExpensesAmt0488
IRS990/PYRevenuesLessExpensesAmt0-561995
IRS990/PYTotalExpensesAmt0655202
IRS990/PYTotalRevenueAmt093207
IRS990/QuidProQuoContributionsInd0false
IRS990/RcvFndsToPayPrsnlBnftCntrctInd0false
IRS990/ReconcilationRevenueExpnssAmt015429416
IRS990/RegularMonitoringEnfrcInd0true
IRS990/RelatedEntityInd0true
IRS990/RelatedOrganizationCtrlEntInd0false
IRS990/ReportInvestmentsOtherSecInd0false
IRS990/ReportLandBuildingEquipmentInd0true
IRS990/ReportOtherAssetsInd0false
IRS990/ReportOtherLiabilitiesInd0false
IRS990/ReportProgramRelatedInvstInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd0true
IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd0false
IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd0false
IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd0false
IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd0false
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt0FOUNDATION BOARD MEMBERS ARE SUBJECT TO APPROVAL BY THE SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY BOARD.
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc0PART IV, SECTION B, LINE 1
IRS990ScheduleA/IRSWrittenDeterminationInd0X
IRS990ScheduleA/OtherSupportSumAmt00
IRS990ScheduleA/SupportedOrganizationsCnt01
IRS990ScheduleA/SupportedOrganizationsTotalCnt01
IRS990ScheduleA/SupportedOrgInformationGrp/EIN0841637203
IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd0true
IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd06
IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt00
IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt058512
IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt0SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY
IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine2Txt0SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY
IRS990ScheduleA/SupportingOrganization509a3Ind0X
IRS990ScheduleA/SupportingOrgType1Ind0X
IRS990ScheduleA/SupportSumAmt058512
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd0true
IRS990ScheduleD/EquipmentGrp/BookValueAmt015400000
IRS990ScheduleD/EquipmentGrp/DepreciationAmt01100000
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt016500000
IRS990ScheduleD/TotalBookValueLandBuildingsAmt015400000
IRS990ScheduleI/GrantRecordsMaintainedInd0true
IRS990ScheduleI/RecipientTable/CashGrantAmt058512
IRS990ScheduleI/RecipientTable/IRCSectionDesc0GOV
IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt0MAINTAIN SDSTA
IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt0SOUTH DAKOTA SCIENCE & TECHNOLOGY
IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine2Txt0AUTHORITY
IRS990ScheduleI/RecipientTable/RecipientEIN0841637203
IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt0630 EAST SUMMIT ST
IRS990ScheduleI/RecipientTable/USAddress/CityNm0LEAD
IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd0SD
IRS990ScheduleI/RecipientTable/USAddress/ZIPCd057754
IRS990ScheduleI/RecipientTable/ValuationMethodUsedDesc0CASH
IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt0THE ORGANIZATION IS ORGANIZED EXCLUSIVELY TO SUPPORT THE MISSION AND PROGRAM OF THE SOUTH DAKOTA SCIENCE AND TECHNOLOGY ASSOCIATION (SDSTA). THE EXECUTIVE DIRECTOR, WHO IS A SHARED EMPLOYEE WITH THE SDSTA, ENSURES GRANT MONEY IS SPENT IN ACCORDANCE WITH THE MISSION OF SDSTA.
IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc0SCHEDULE I, PAGE 1, PART I, LINE 2
IRS990ScheduleI/Total501c3OrgCnt01
IRS990ScheduleJ/AnyNonFixedPaymentsInd0false
IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd0false
IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd0false
IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd0false
IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd0false
IRS990ScheduleJ/EquityBasedCompArrngmInd0false
IRS990ScheduleJ/InitialContractExceptionInd0false
IRS990/ScheduleJRequiredInd0true
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt0392969
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt1217885
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt064466
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt142322
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm0MIKE HEADLEY
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm1TERRY MILLER
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt0EXECUTIVE DIRECTOR
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt1CFO
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt0457435
IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt1260207
IRS990ScheduleJ/SeverancePaymentInd0false
IRS990ScheduleJ/SupplementalNonqualRtrPlanInd0false
IRS990ScheduleM/AnyPropertyThatMustBeHeldInd0false
IRS990ScheduleM/OtherNonCashContriTableGrp/ContributionCnt01
IRS990ScheduleM/OtherNonCashContriTableGrp/Desc0ROCK CONVEYOR
IRS990ScheduleM/OtherNonCashContriTableGrp/NonCashCheckboxInd0X
IRS990ScheduleM/OtherNonCashContriTableGrp/NoncashContributionsRptF990Amt016500000
IRS990ScheduleM/ReviewProcessUnusualNCGiftsInd0false
IRS990ScheduleM/ThirdPartiesUsedInd0false
IRS990/ScheduleORequiredInd0true
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0THIS AMENDED 990 RETURN INCLUDES AN UPDATE TO THE SIGNER AND PRINCIPAL OFFICER AND SCHEDULE A TO CLARIFY THAT THE FOUNDATION'S BOARD MEMBERS ARE SUBJECT TO THE APPROVAL BY THE SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY BOARD.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1THE 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.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2FOUNDATION BOARD MEMBERS ARE SUBJECT TO APPROVAL BY THE SOUTH DAKOTA SCIENCE AND TECHNOLOGY AUTHORITY BOARD.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3THE FORM 990 IS PREPARED BY A CPA AND THEN REVIEWED BY THE CFO, EXECUTIVE DIRECTOR, AND BOARD OF DIRECTORS OF THE SANFORD UNDERGROUND RESEARCH FACILITY FOUNDATION.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4IF THE BOARD HAS REASONABLE CAUSE TO BELIEVE A DIRECTOR OR OFFICER HAS FAILED TO DISCLOSE ACTUAL OR POSSIBLE CONFLICTS OF INTEREST, IT SHALL INFORM THE PERSON OF THE BASIS FOR SUCH BELIEF AND AFFORD THE MEMBER AN OPPORTUNITY TO EXPLAIN THE ALLEGED FAILURE TO DISCLOSE. IF, AFTER HEARING THE PERSON'S RESPONSE AND AFTER MAKING FURTHER INVESTIGATION AS WARRANTED BY THE CIRCUMSTANCES, THE BOARD DETERMINES THE PERSON HAS FAILED TO DISCLOSE AN ACTUAL OR POSSIBLE CONFLICT OF INTEREST, IT SHALL TAKE APPROPRIATE DISCIPLINARY AND CORRECTIVE ACTION.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5COMPENSATION PACKAGE IS DEVELOPED USING REGIONAL SALARY INFORMATION AVAILABLE ONLINE.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt6THE ORGANIZATION DOES NOT COMPENSATE ANY OTHER OFFICERS.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt7GOVERNING DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990, PAGE 1, ITEM B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990 - ORGANIZATION'S MISSION
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2FORM 990, PAGE 6, PART VI, LINE 7B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3FORM 990, PAGE 6, PART VI, LINE 11B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4FORM 990, PAGE 6, PART VI, LINE 12C
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5FORM 990, PAGE 6, PART VI, LINE 15A
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc6FORM 990, PAGE 6, PART VI, LINE 15B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc7FORM 990, PAGE 6, PART VI, LINE 19
IRS990ScheduleR/AssetExchangeInd0false
IRS990ScheduleR/AssetPurchaseFromOtherOrgInd0false
IRS990ScheduleR/AssetSaleToOtherOrgInd0false
IRS990ScheduleR/DivRelatedOrganizationInd0false
IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd0false
IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd0true
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd0false
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingNACd0N/A
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt0SD SCIENCE & TECHNOLOGY AUTHORITY
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN0841637203
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd0SD
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt0630 E SUMMIT ST
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm0LEAD
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd0SD
IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/ZIPCd057754
IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd0false
IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd0false
IRS990ScheduleR/PaidEmployeesSharingInd0true
IRS990ScheduleR/PerformOfServicesByOtherOrgInd0false
IRS990ScheduleR/PerformOfServicesForOthOrgInd0false
IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd0false
IRS990ScheduleR/ReimbursementPaidByOtherOrgInd0false
IRS990ScheduleR/ReimbursementPaidToOtherOrgInd0false
IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd0false
IRS990ScheduleR/RentalOfFcltsFromOthOrgInd0false
IRS990ScheduleR/SharingOfFacilitiesInd0true
IRS990ScheduleR/TransactionsRelatedOrgGrp/InvolvedAmt058512
IRS990ScheduleR/TransactionsRelatedOrgGrp/InvolvedAmt1350200
IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine1Txt0SOUTH DAKOTA SCIENCE AND TECHNOLOGY
IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine1Txt1SOUTH DAKOTA SCIENCE AND TECHNOLOGY
IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine2Txt0AUTHORITY
IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine2Txt1AUTHORITY
IRS990ScheduleR/TransactionsRelatedOrgGrp/TransactionTypeTxt0B
IRS990ScheduleR/TransactionsRelatedOrgGrp/TransactionTypeTxt1O
IRS990ScheduleR/TransferFromOtherOrgInd0false
IRS990ScheduleR/TransferToOtherOrgInd0false
IRS990/SchoolOperatingInd0false
IRS990/SignificantChangeInd0false
IRS990/SignificantNewProgramSrvcInd0false
IRS990/SubjectToExcsTaxNetInvstIncInd0false
IRS990/SubjectToProxyTaxInd0false
IRS990/SubjToTaxRmnrtnExPrchtPymtInd0false
IRS990/TaxablePartyNotificationInd0false
IRS990/TaxExemptBondsInd0false
IRS990/TerminateOperationsInd0false
IRS990/TotalAssetsBOYAmt077675
IRS990/TotalAssetsEOYAmt015607091
IRS990/TotalAssetsGrp/BOYAmt077675
IRS990/TotalAssetsGrp/EOYAmt015607091
IRS990/TotalCompGreaterThan150KInd0true
IRS990/TotalContributionsAmt016587928
IRS990/TotalEmployeeCnt00
IRS990/TotalFunctionalExpensesGrp/FundraisingAmt00
IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt00
IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt01158512
IRS990/TotalFunctionalExpensesGrp/TotalAmt01158512
IRS990/TotalGrossUBIAmt00
IRS990/TotalLiabilitiesEOYAmt0100000

Document Assets

No mirrored PDF or thumbnail assets are attached yet.