Civic Intelligence

Wegner Arboretum Society

EIN 20-8784637 • 501(c)3 • Sioux Falls, SD

Profile

To nurture connections between plants and people, past and present, in an inspiring natural setting that invites discovery.

1900 S Perry PlaceSioux Falls, SD 57110

www.maryjowegnerarboretum.com

Siviq Scores

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

Liabilities / Assets

70th percentile

0.13x

Higher debt load relative to assets than 70% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Liabilities / Revenue

79th percentile

0.24x

Higher debt load relative to revenue than 79% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Net Margin

7th percentile

-55%

Higher net margin than 7% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Source year 2024

Top Officer Pay

75th percentile

$0

Higher top officer pay than 75% of similar nonprofits.

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

501(c)3 • $500k-$1M nonprofits • Source year 2019

Asset Growth

13th percentile

-18%

Faster asset growth than 13% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Revenue Growth

4th percentile

-64%

Faster revenue growth than 4% of similar nonprofits.

501(c)3 • $500k-$1M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets70th percentile

Assets

Down

$581,218

Down $130,001 (-18%) from 2023

Liabilities

Up

$73,727

Up $31,747 (+76%) from 2023

Net Assets

Down

$507,491

Down $161,748 (-24%) from 2023

Operations
Liabilities / Revenue79th percentileNet Margin7th percentile

Revenue

Down

$309,451

Down $547,259 (-64%) from 2023

Expenses

Down

$480,358

Down $147,985 (-24%) from 2023

Net Income

Down

-$170,907

Down $399,274 (-175%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth13th percentile

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

$800K$600K$400K$200K$0-$200KAssets 2010: $370,868Liabilities 2010: $0Net Assets 2010: $370,8682010Assets 2011: $514,068Liabilities 2011: $0Net Assets 2011: $514,0682011Assets 2012: $45,990Liabilities 2012: $102,412Net Assets 2012: -$56,4222012Assets 2013: $89,221Liabilities 2013: $68,500Net Assets 2013: $20,7212013Assets 2014: $219,605Liabilities 2014: $70,292Net Assets 2014: $149,3132014Assets 2015: $235,881Liabilities 2015: $38,037Net Assets 2015: $197,8442015Assets 2016: $227,711Liabilities 2016: $3,265Net Assets 2016: $224,4462016Assets 2017: $277,386Liabilities 2017: $3,609Net Assets 2017: $273,7772017Assets 2018: $284,697Liabilities 2018: $5,600Net Assets 2018: $279,0972018Assets 2019: $400,779Liabilities 2019: $116,903Net Assets 2019: $283,8762019Assets 2020: $356,577Liabilities 2020: $43,547Net Assets 2020: $313,0302020Assets 2021: $338,920Liabilities 2021: $9,109Net Assets 2021: $329,8112021Assets 2022: $459,000Liabilities 2022: $18,128Net Assets 2022: $440,8722022Assets 2023: $711,219Liabilities 2023: $41,980Net Assets 2023: $669,2392023Assets 2024: $581,218Liabilities 2024: $73,727Net Assets 2024: $507,4912024

Highlighted filing

2024

Assets$581,218
Liabilities$73,727
Net Assets$507,491
Open 2024 Filing

Operations Trend

Revenue Growth4th percentile

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

$1.0M$500K$0-$500KExpenses 2010: $15,4112010Expenses 2011: $39,7062011Revenue 2012: $77,831Expenses 2012: $318,849Net Income 2012: -$241,0182012Revenue 2013: $105,693Expenses 2013: $28,550Net Income 2013: $77,1432013Revenue 2014: $183,493Expenses 2014: $54,901Net Income 2014: $128,5922014Revenue 2015: $103,593Expenses 2015: $55,062Net Income 2015: $48,5312015Revenue 2016: $102,379Expenses 2016: $75,777Net Income 2016: $26,6022016Revenue 2017: $127,338Expenses 2017: $78,007Net Income 2017: $49,3312017Revenue 2018: $126,749Expenses 2018: $120,737Net Income 2018: $6,0122018Revenue 2019: $159,776Expenses 2019: $153,179Net Income 2019: $6,5972019Revenue 2020: $261,974Expenses 2020: $232,820Net Income 2020: $29,1542020Revenue 2021: $153,783Expenses 2021: $137,000Net Income 2021: $16,7832021Revenue 2022: $407,992Expenses 2022: $296,931Net Income 2022: $111,0612022Revenue 2023: $856,710Expenses 2023: $628,343Net Income 2023: $228,3672023Revenue 2024: $309,451Expenses 2024: $480,358Net Income 2024: -$170,9072024

Highlighted filing

2024

Revenue$309,451
Expenses$480,358
Net Income-$170,907
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$581,218
Liabilities
$73,727
Net assets
$507,491
Revenue
$309,451
Expenses
$480,358
Net income
-$170,907
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$5.81$0.74$5.07$3.09$4.80$1.71
2023Detailed filing. Detailed filing data is available for this year.$7.11$0.42$6.69$8.57$6.28$2.28
2022Detailed filing. Detailed filing data is available for this year.$4.59$0.18$4.41$4.08$2.97$1.11
2021Detailed filing. Detailed filing data is available for this year.$3.39$0.09$3.30$1.54$1.37$0.17
2020Detailed filing. Detailed filing data is available for this year.$3.57$0.44$3.13$2.62$2.33$0.29
2019Detailed filing. Detailed filing data is available for this year.$4.01$1.17$2.84$1.60$1.53$0.07
2018Detailed filing. Detailed filing data is available for this year.$2.85$0.06$2.79$1.27$1.21$0.06
2017Detailed filing. Detailed filing data is available for this year.$2.77$0.04$2.74$1.27$0.78$0.49
2016Detailed filing. Detailed filing data is available for this year.$2.28$0.03$2.24$1.02$0.76$0.27
2015Detailed filing. Detailed filing data is available for this year.$2.36$0.38$1.98$1.04$0.55$0.49
2014Detailed filing. Detailed filing data is available for this year.$2.20$0.70$1.49$1.83$0.55$1.29
2013Detailed filing. Detailed filing data is available for this year.$0.89$0.69$0.21$1.06$0.29$0.77
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.46$1.02$0.56$0.78$3.19$2.41
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$5.14$0.00$5.14$0.40
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$3.71$0.00$3.71$0.15
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Nov 17, 2025
Return Version
2024v5.2
Gross Receipts
$309,451
Mission and Program Overview

Mission

To nurture connections between plants and people, past and present, in an inspiring natural setting that invites discovery.

Balance Sheet Detail
LineBeginningEndChange
Assets
Savings and Temporary Cash Investments$535,383$457,357▼ $78,026
Cash and Non-Interest-Bearing Accounts$42,529$69,665▲ $27,136
Prepaid Expenses and Deferred Charges$25,000$50,011▲ $25,011
Land, Buildings, and Equipment, Net$5,291$4,185▼ $1,106
Accounts Receivable-$0-
Other Notes and Loans Receivable, Net-$0-
Pledges and Grants Receivable-$0-
Receivable From Disqualified Prsn-$0-
Receivables From Officers Etc-$0-
Investments Other Securities-$0-
Investments Program Related-$0-
Investments in Publicly Traded Securities-$0-
Intangible Assets-$0-
Inventories for Sale or Use-$0-
Total Assets$711,219$581,218▼ $130,001
Other Assets Total$103,016$0▼ $103,016
Liabilities
Accounts Payable and Accrued Expenses$34,037$63,893▲ $29,856
Other Liabilities$7,943$9,834▲ $1,891
Total Liabilities$41,980$73,727▲ $31,747
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$575,615$408,655▼ $166,960
Net Assets With Donor Restrictions$93,624$98,836▲ $5,212
Total Net Assets Fund Balance$669,239$507,491▼ $161,748
Total Liabilities and Net Assets / Fund Balance$711,219$581,218▼ $130,001

Asset Categories

AssetBook ValueDepreciationBasis
Equipment$2,618$8,744$11,362
Other Land Buildings$1,567$8,775$10,342
Compensation and Service Providers
Top Officer Pay75th percentile

Employees

NameTitleFull / Part TimeBaseTotal
Mike CooperExecutive DirectorPT$60,005$60,005

Board Members and Trustees

NameTitle
Mike CranePresident
Dominic WalkesVice President
Ann WilsonDirector
Anthony PizerDirector
David RezacDirector
Dick BrownDirector
Heather KittlesonDirector
Paul DeJongDirector
Robin ArdenDirector
Scott AndersonGovernment Apt
Don KearneyGovernment Apt.
Michelle ErpenbachSecretary
Ben ArndtTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$199,423
Program Service Revenue
$91,214
Investment Income
$18,415
Other Revenue
$399
All Other Contributions
$199,423
Change in Net Assets
$-170,907
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Grants and Similar Amounts Paid$311,833
Salaries, Compensation, and Employee Benefits$124,007
Other Expenses$44,518
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Grants to Domestic Orgs$311,833--$311,833
Current Officers, Directors, Trustees, and Key Employees$60,005--$60,005
Other Salaries and Wages$54,984--$54,984
Payroll Taxes$9,018--$9,018
Fees for Services Accounting$6,808--$6,808
Office Expenses$6,378--$6,378
Advertising$5,612--$5,612
Insurance$4,522--$4,522
All Other Expenses$3,620--$3,620
Information Technology$2,729--$2,729
Other Expenses$2,201--$2,201
Travel$1,463--$1,463
Depreciation Depletion$1,106--$1,106
Fees for Services Other$343--$343
Total Functional Expenses$480,358$0$0$480,358
International Activity

Grant and Assistance Recipients

RecipientLocationCategoryPurposeAmount
City of Sioux FallsSioux Falls, SD--$311,682
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
Insider Transactions and Loans

Loans and Receivables

Line ItemBeginningEndChange
Receivables from Disqualified Persons-$0-
Receivables from Officers, Directors, Trustees, and Key Employees-$0-
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Damage Deposits$8,100
Payroll Liability$1,421
Sales Tax Payable$313
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Backup withholding compliance
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
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 B, Line 11B

“No review was or will be conducted.”

Form 990, Part VI, Section C, Line 19

“No documents available to the public.”

Filing and Contact Details

Filer

Filer Name
Wegner Arboretum Society
EIN
20-8784637
Phone
6053674414
Address
1900 S Perry Place, Sioux Falls, SD 57110

Signing Officer

Name
Mike Cooper
Title
Executive Director
Signed
2025-11-17
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Mike Cooper
Formed
2007
Legal Domicile
Sd
Voting Board Members
14
Independent Board Members
13
Employees
5
Volunteers
13

Preparer

Firm
Nelson & Nelson CPAs LLP
Address
1701 S Minnesota Ave, Sioux Falls, SD 57105
Preparer
Charles A Nelson
Phone
6053361988
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