Les and Betty Mack Family is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in LANCASTER, WI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $351K in total assets. In 2024, it awarded 2 grants totaling $21K. Net investment income was $76.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$351K
-6.7% YoY
Annual Giving
$21K
+29.7% YoY
Grant Count
2
+100.0% YoY
Avg Grant Size
$11K
-35.2% YoY
About Les and Betty Mack Family
Based on IRS filings
Les and Betty Mack Family is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in LANCASTER, WI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $351K in total assets. In 2024, it awarded 2 grants totaling $21K. Net investment income was $76.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $351,233 | $376,283 | $401,288 |
| Revenue | $28 | $635 | $20,001 |
| Expenses | $25,078 | $25,640 | $16,835 |
| Qualifying Distributions | $21,520 | $24,961 | $16,200 |
| Net Investment Income | $76 | $635 | $1,009 |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
Grant Size Distribution
10 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Uw Foundation ($15,000), Potosi Foundation ($6,019).
| Recipient | Purpose | Amount |
|---|---|---|
| POTOSI FOUNDATION POTOSI, WI | CONTRIBUTION | $6,019 |
| UW FOUNDATION MADISON, WI | 501-3 | $15,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| LESLIE A MACK | PRESIDENT | — | — |
| BETTY A MACK | SECRETARY | — | — |
| RICHARD J MACK | VICE PRESIDE | — | — |
| STEVEN J MACK | TREASURER | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Les and Betty Mack Family?
Les and Betty Mack Family is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in LANCASTER, WI. It holds $351K in total assets as of 2024.
How large is Les and Betty Mack Family?
As of 2024, Les and Betty Mack Family holds $351K in total assets with $28 in annual revenue. It awarded 2 grants totaling $21K in 2024.
Where does Les and Betty Mack Family operate?
Les and Betty Mack Family has awarded grants in Kentucky, Wisconsin.
What size grants does Les and Betty Mack Family award?
In 2024, Les and Betty Mack Family awarded 2 grants totaling $21K — an average of about $11K per grant, based on its IRS Form 990 filings.
What is Les and Betty Mack Family's EIN?
Les and Betty Mack Family's EIN (Employer Identification Number) is 84-3245372. IRS Form 990 filing data is available on this page for 2020–2024.
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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