INTERNATIONAL MARINE MINERAL SOCIETY

EIN: 640774122 Community Improvement

ST PETERSBURG, FL

Total Revenue
$296,891
Total Expenses
$245,838
Total Assets
$115,086
Net Assets
$108,234
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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
1987
Legal Domicile
MS
Principal Officer
MARK LUTHER
Phone
7276319579
Tax Period
2025-01-01 to 2025-12-31

INTERNATIONAL MARINE MINERAL SOCIETY, founded in 1987, is a small nonprofit in the Community Improvement sector that reported $297K in total revenue in fiscal year 2025. Revenue surged 67% from the prior year, signaling strong growth momentum. The organization ran a surplus of $51K, a strong 17% operating margin.

Mission

INTERNATIONAL MARINE MINERALS SOCIETY IS A PROFESSIONAL SOCIETY WHOSE MEMBERS SHARE A COMMON INTEREST IN MARINE MINERALS AS A RESOURCE FOR STUDY AND SOUND APPLICATION TO MEET WORLD DEMANDS FOR STRATEGIC MINERALS. INTERNATIONAL MARINE MINERALS SOCIETY PROMOTES AND IMPROVES UNDERSTANDING, AIDS IN INTERCHANGE OF INFORMATION, AND ENCOURAGES PRUDENT DEVELOPMENT AND RESEARCH FOR MARINE MINERALS.

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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 $1,436
Program Service Revenue $294,455
Investment Income $0
Other Revenue $1,000
TOTAL REVENUE $296,891

Expense Breakdown

Grants Paid $0
Salaries & Benefits $29,500
Fundraising Expenses $13,305
Other Expenses $216,338
TOTAL EXPENSES $245,838

Year-over-Year Comparison

2025 2024 Change
Revenue $296,891 $178,256 +0.7%
Expenses $245,838 $188,115 +0.3%
Net Income $51,053 $-9,859 -6.2%
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
7
Independent Members
7
Employees
1
Volunteers
7

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
3
$0
Total Directors
4
$0
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
TOM DETTWEILER DIRECTOR 2.00
Director
$0 $0 $0
PEDRO MADUREIRA DIRECTOR 2.00
Director
$0 $0 $0
KATSUHOIKO SUZUKI DIRECTOR 2.00
Director
$0 $0 $0
ANNEMIEK VINK DIRECTOR 2.00
Director
$0 $0 $0
MARK LUTHER PRESIDENT 2.00
Officer
$0 $0 $0
KIRA MIZELL SECRETARY 2.00
Officer
$0 $0 $0
JOHN C WILTSHIRE TREASURER 2.00
Officer
$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 $296,891 $245,838 $115,086 $51,053
2023 $209,753 $160,922 $126,585 $48,831
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