Les and Betty Mack Family Charitable Foundation Inc
Invitation OnlyLancaster, Wisconsin · EIN 84-3245372 · Private foundation
Grants paid (2025)$18K
Organizations funded3
Typical grant$1,500
Total assets$0
Half of its grants to organizations were between $1,500 and $15,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
Where it gives
0% of grants went outside Wisconsin.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The Varsity Collective | Madison, WI | 501(C)3 | $15,000 |
| Uw Foundation | Madison, WI | 501(C) 3 | $1,500 |
| St Clement Sclool | Lancaster, WI | 501(C) 3 | $1,500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $18,000 | 3 |
| 2024 | $21,019 | 2 |
| 2023 | $16,211 | 1 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 14, 2026 - IRS e-file batch, object ID 202631349349101578
- IRS Tax Exempt Organization Search for EIN 84-3245372
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.