Karl W and Katherine T Pfiffner Trust
Invitation OnlyGreen Bay, Wisconsin · EIN 39-6423610 · Private foundation
Grants paid (2025)$23K
Organizations funded1
Typical grant$22,804
Total assets$554K
Half of its grants to organizations were between $22,804 and $22,804.
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 |
|---|---|---|---|
| St Stephen Catholic Parish | Stevens Point, WI | Program support | $22,804 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $22,804 | 1 |
| 2024 | $21,256 | 1 |
| 2023 | $21,554 | 1 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 2, 2026 - IRS e-file batch, object ID 202611229349100501
- IRS Tax Exempt Organization Search for EIN 39-6423610
- Profile updated Nov 7, 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.