STILLMAN NATURE CENTER

EIN: 363182273 501(c)(3) Environment

SOUTH BARRINGTON, IL

Total Revenue
$278,584
Total Expenses
$156,805
Total Assets
$6,322,790
Net Assets
$6,322,790
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Financial Vulnerability Assessment (Tuckman-Chang)

4 risk indicators measuring financial stability and operational resilience

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Financial Trends

Organization Details

Formation Year
1982
Legal Domicile
IL
Principal Officer
MICHAEL LEVIN
Phone
8474286957
Tax Period
2025-01-01 to 2025-12-31

STILLMAN NATURE CENTER, founded in 1982, is a small nonprofit in the Environment sector that reported $279K in total revenue in fiscal year 2025. Revenue surged 38% from the prior year, signaling strong growth momentum. The organization ran a surplus of $122K, a strong 44% operating margin.

Mission

TO PROVIDE EDUCATIONAL PROGRAMS ON CONSERVATION.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2025)

Revenue Breakdown

Contributions & Grants $77,530
Program Service Revenue $21,659
Investment Income $179,395
Other Revenue $0
TOTAL REVENUE $278,584

Expense Breakdown

Grants Paid $0
Salaries & Benefits $93,356
Fundraising Expenses $6,441
Program Expenses $148,764
Other Expenses $63,449
TOTAL EXPENSES $156,805

Year-over-Year Comparison

2025 2024 Change
Revenue $278,584 $201,385 +0.4%
Expenses $156,805 $140,741 +0.1%
Net Income $121,779 $60,644 +1.0%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

Financial Distress Indicator

Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

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Governance

Voting Members
10
Independent Members
10
Employees
5
Volunteers
25

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
4
$0
Total Directors
10
$0
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
SUSAN ALLMAN PRESIDENT 3.00
Officer Director
$0 $0 $0
JAMES KALTSAS VICE PRESIDENT 3.00
Officer Director
$0 $0 $0
KRISTI OVERGAARD SECRETARY 1.00
Officer Director
$0 $0 $0
MICHAEL LEVIN TREASURER 3.00
Officer Director
$0 $0 $0
SUE KOWALL DIRECTOR 1.00
Director
$0 $0 $0
JOY SWEET DIRECTOR 1.00
Director
$0 $0 $0
NAT BILSKY DIRECTOR 1.00
Director
$0 $0 $0
SUSAN LAUGAL DIRECTOR 1.00
Director
$0 $0 $0
BILL WASHER DIRECTOR 1.00
Director
$0 $0 $0
DOUG SAYLOR DIRECTOR 1.00
Director
$0 $0 $0
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2025 $278,584 $156,805 $6,322,790 $121,779
2024 $201,385 $140,741 $6,123,367 $60,644
2023 $131,069 $146,829 $5,881,013 $-15,760
2022 $160,919 $141,137 $5,720,097 $19,782
2021 $146,657 $128,153 $6,046,836 $18,504
2020 $128,004 $120,817 $5,785,126 $7,187
2019 $198,458 $126,315 $5,679,644 $72,143
2018 $152,125 $119,387 $5,316,284 $32,738
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