Civic Intelligence

Sigma Nu Corporation of Oklahoma

EIN 73-6098935 • 501(c)7 • Norman, OK

Profile

To provide student housing for University of Oklahoma members of Sigma Nu Fraternity.

1300 College AveNorman, OK 73072

n/A

Siviq Scores

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

Liabilities / Assets

97th percentile

1.02x

Higher debt load relative to assets than 97% of similar nonprofits.

501(c)7 • $5M-$10M nonprofits • Source year 2025

Liabilities / Revenue

99th percentile

10.73x

Higher debt load relative to revenue than 99% of similar nonprofits.

501(c)7 • $5M-$10M nonprofits • Source year 2025

Net Margin

3rd percentile

-30%

Higher net margin than 3% of similar nonprofits.

501(c)7 • $5M-$10M nonprofits • Source year 2025

Top Officer Pay

40th percentile

$0

Higher top officer pay than 40% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)7 • $5M-$10M nonprofits • Source year 2025

Asset Growth

16th percentile

-3.8%

Faster asset growth than 16% of similar nonprofits.

501(c)7 • $5M-$10M nonprofits • Annualized from 2024 to 2025

Revenue Growth

12th percentile

-8.1%

Faster revenue growth than 12% of similar nonprofits.

501(c)7 • $5M-$10M nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / Assets97th percentile

Assets

Down

$7,073,241

Down $281,784 (-3.8%) from 2024

Liabilities

Down

$7,207,414

Down $82,689 (-1.1%) from 2024

Net Assets

Down

-$134,173

Down $199,095 (-307%) from 2024

Operations
Liabilities / Revenue99th percentileNet Margin3rd percentile

Revenue

Down

$671,559

Down $59,044 (-8.1%) from 2024

Expenses

Down

$870,654

Down $46,209 (-5.0%) from 2024

Net Income

Down

-$199,095

Down $12,835 (-6.9%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth16th percentile

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

$10M$5.0M$0-$5.0MAssets 2015: $1,710,804Liabilities 2015: $903,586Net Assets 2015: $807,2182015Assets 2016: $3,593,092Liabilities 2016: $2,717,143Net Assets 2016: $875,9492016Assets 2017: $8,654,196Liabilities 2017: $7,509,826Net Assets 2017: $1,144,3702017Assets 2018: $8,706,846Liabilities 2018: $8,060,035Net Assets 2018: $646,8112018Assets 2019: $8,079,026Liabilities 2019: $7,382,952Net Assets 2019: $696,0742019Assets 2020: $8,084,583Liabilities 2020: $7,520,057Net Assets 2020: $564,5262020Assets 2021: $7,747,018Liabilities 2021: $7,292,087Net Assets 2021: $454,9312021Assets 2022: $7,667,118Liabilities 2022: $7,298,683Net Assets 2022: $368,4352022Assets 2023: $7,523,809Liabilities 2023: $7,272,627Net Assets 2023: $251,1822023Assets 2024: $7,355,025Liabilities 2024: $7,290,103Net Assets 2024: $64,9222024Assets 2025: $7,073,241Liabilities 2025: $7,207,414Net Assets 2025: -$134,1732025

Highlighted filing

2025

Assets$7,073,241
Liabilities$7,207,414
Net Assets-$134,173
Open 2025 Filing

Operations Trend

Revenue Growth12th percentile

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

$1.0M$500K$0-$500KRevenue 2015: $119,529Expenses 2015: $41,478Net Income 2015: $78,0512015Revenue 2016: $145,821Expenses 2016: $77,090Net Income 2016: $68,7312016Revenue 2017: $412,866Expenses 2017: $144,445Net Income 2017: $268,4212017Revenue 2018: $273,077Expenses 2018: $770,635Net Income 2018: -$497,5582018Revenue 2019: $401,250Expenses 2019: $351,987Net Income 2019: $49,2632019Revenue 2020: $394,865Expenses 2020: $526,413Net Income 2020: -$131,5482020Revenue 2021: $542,005Expenses 2021: $651,600Net Income 2021: -$109,5952021Revenue 2022: $619,344Expenses 2022: $705,840Net Income 2022: -$86,4962022Revenue 2023: $672,669Expenses 2023: $789,922Net Income 2023: -$117,2532023Revenue 2024: $730,603Expenses 2024: $916,863Net Income 2024: -$186,2602024Revenue 2025: $671,559Expenses 2025: $870,654Net Income 2025: -$199,0952025

Highlighted filing

2025

Revenue$671,559
Expenses$870,654
Net Income-$199,095
Open 2025 Filing

Filings

Most recent year

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

Open filing
Assets
$7,073,241
Liabilities
$7,207,414
Net assets
-$134,173
Revenue
$671,559
Expenses
$870,654
Net income
-$199,095
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$7.07$7.21$0.13$0.67$0.87$0.20
2024Detailed filing. Detailed filing data is available for this year.$7.36$7.29$0.06$0.73$0.92$0.19
2023Detailed filing. Detailed filing data is available for this year.$7.52$7.27$0.25$0.67$0.79$0.12
2022Detailed filing. Detailed filing data is available for this year.$7.67$7.30$0.37$0.62$0.71$0.09
2021Detailed filing. Detailed filing data is available for this year.$7.75$7.29$0.45$0.54$0.65$0.11
2020Detailed filing. Detailed filing data is available for this year.$8.08$7.52$0.56$0.39$0.53$0.13
2019Detailed filing. Detailed filing data is available for this year.$8.08$7.38$0.70$0.40$0.35$0.05
2018Detailed filing. Detailed filing data is available for this year.$8.71$8.06$0.65$0.27$0.77$0.50
2017Detailed filing. Detailed filing data is available for this year.$8.65$7.51$1.14$0.41$0.14$0.27
2016Detailed filing. Detailed filing data is available for this year.$3.59$2.72$0.88$0.15$0.08$0.07
2015Detailed filing. Detailed filing data is available for this year.$1.71$0.90$0.81$0.12$0.04$0.08
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jul 1, 2024 to Jun 30, 2025
Signed
Nov 10, 2025
Return Version
2024v5.0
Gross Receipts
$671,559
Mission and Program Overview

Mission

To provide student housing for university of oklahoma members of sigma nu fraternity.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$7,214,094$7,041,858▼ $172,236
Cash and Non-Interest-Bearing Accounts$132,157$22,176▼ $109,981
Savings and Temporary Cash Investments$8,774$9,207▲ $433
Total Assets$7,355,025$7,073,241▼ $281,784
Liabilities
Mortgage Notes Payable Secured by Investment Property$7,216,816$7,182,057▼ $34,759
Accounts Payable and Accrued Expenses$73,287$25,357▼ $47,930
Total Liabilities$7,290,103$7,207,414▼ $82,689
Net Assets / Fund Balance
Net Assets With Donor Restrictions$0$0→ $0
Net Assets Without Donor Restrictions$64,922$-134,173▼ $199,095
Total Net Assets Fund Balance$64,922$-134,173▼ $199,095
Total Liabilities and Net Assets / Fund Balance$7,355,025$7,073,241▼ $281,784

Asset Categories

AssetBook ValueDepreciationBasis
Buildings$5,975,121$1,138,118$0
Other Land Buildings$16,497$16,553$0
Land$880,000-$0
Equipment$170,240$179,275$0
Leasehold Improvements$0$0$0
Compensation and Service Providers
Top Officer Pay40th percentile

Board Members and Trustees

NameTitle
Mark RobbinsPresident
Brett ModleyDirector
David OakleyDirector
Ian SmithDirector
Justin LombardoSecretary
Revenue and Support

Revenue Composition

Contributions and Grants
$0
Program Service Revenue
$671,126
Investment Income
$433
Other Revenue
$0
Change in Net Assets
$-199,095
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$825,169
Salaries, Compensation, and Employee Benefits$45,485
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Occupancy---$652,460
Depreciation Depletion---$172,237
Other Salaries and Wages---$45,485
Office Expenses---$472
Total Functional Expenses$0$0$0$870,654
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
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
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
No
Other officer compensation reviewed
No
Conflict-of-interest policy
No
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 8B

“There are no other committees with authority to act on behalf of the governing body.”

Form 990, Part VI, Section B, Line 11B

“The 990 tax return is reviewed by the board president prior to filing.”

Form 990, Part VI, Section C, Line 19

“Other documents are provided upon request.”

Filing and Contact Details

Filer

Filer Name
Sigma Nu Corporation of Oklahoma
EIN
73-6098935
Phone
8174550094
Address
1300 College Ave, Norman, OK 73072

Signing Officer

Name
Mark Robbins
Title
President
Phone
8174550094
Signed
2025-11-10

Organization Details

Principal Officer
Mark Robbins
Formed
1910
Legal Domicile
Ok
Voting Board Members
5
Independent Board Members
5
Employees
1
Volunteers
10
Raw XML Appendix318 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
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IRS990/BooksInCareOfDetail/PersonNm0Mark Robbins
IRS990/BooksInCareOfDetail/PhoneNum08174550094
IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt01300 College Ave
IRS990/BooksInCareOfDetail/USAddress/CityNm0Norman
IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd0OK
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IRS990/Form990PartVIISectionAGrp/TitleTxt1Secretary
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IRS990/Form990PartVIISectionAGrp/TitleTxt3Director
IRS990/Form990PartVIISectionAGrp/TitleTxt4Director
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IRS990/GainOrLossGrp/SecuritiesAmt00
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IRS990/GrantsToIndividualsInd00
IRS990/GrantsToOrganizationsInd00
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IRS990/InvestmentInJointVentureInd00
IRS990/IRPDocumentCnt00
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IRS990/LandBldgEquipAccumDeprecAmt01333946
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IRS990/LoanOutstandingInd00
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IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0There are no other committees with authority to act on behalf of the governing body.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1The 990 tax return is reviewed by the board president prior to filing.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2Other documents are provided upon request.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990, Part VI, Section A, Line 8b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990, Part VI, Section B, Line 11b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990, Part VI, Section C, Line 19
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IRS990/TotalOthProgramServiceRevGrp/TotalRevenueColumnAmt00
IRS990/TotalOthProgramServiceRevGrp/UnrelatedBusinessRevenueAmt00
IRS990/TotalProgramServiceExpensesAmt0870654
IRS990/TotalProgramServiceRevenueAmt0671126
IRS990/TotalReportableCompFromOrgAmt00
IRS990/TotalRevenueGrp/ExclusionAmt00
IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt0671559
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0671559
IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt00
IRS990/TotalVolunteersCnt010
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt07355025
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt07073241
IRS990/TotReportableCompRltdOrgAmt00
IRS990/TypeOfOrganizationCorpInd0X
IRS990/UnrelatedBusIncmOverLimitInd00
IRS990/UponRequestInd0X
IRS990/USAddress/AddressLine1Txt07327 Cedar Ct
IRS990/USAddress/CityNm0Colleyville
IRS990/USAddress/StateAbbreviationCd0TX
IRS990/USAddress/ZIPCd076035
IRS990/VotingMembersGoverningBodyCnt05
IRS990/VotingMembersIndependentCnt05
IRS990/WhistleblowerPolicyInd00
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Mark Robbins
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0President
ReturnHeader/BusinessOfficerGrp/PhoneNum08174550094
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-11-10
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0SIGMA NU CORPORATION OF OKLAHOMA
ReturnHeader/Filer/BusinessNameControlTxt0SIGM
ReturnHeader/Filer/EIN0736098935
ReturnHeader/Filer/PhoneNum08174550094
ReturnHeader/Filer/USAddress/AddressLine1Txt01300 College Ave
ReturnHeader/Filer/USAddress/CityNm0Norman
ReturnHeader/Filer/USAddress/StateAbbreviationCd0OK
ReturnHeader/Filer/USAddress/ZIPCd073072
ReturnHeader/IRSResponsiblePrtyInfoCurrInd01
ReturnHeader/ReturnTs02025-11-09T14:28:21-07:00
ReturnHeader/ReturnTypeCd0990
ReturnHeader/TaxPeriodBeginDt02024-07-01
ReturnHeader/TaxPeriodEndDt02025-06-30
ReturnHeader/TaxYr02024

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