Nonprofit · EIN 39-6423610
KARL W AND KATHERINE T PFIFFNER TRUST
Tax-exempt · GREEN BAY, WI 54307
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $40,128 | $31,830 | $8,298 | $391,291 | $0 | $391,291 |
| December 31, 2024 | 990-PF | $58,776 | $29,102 | $29,674 | $382,848 | $0 | $382,848 |
| December 31, 2023 | 990-PF | $21,979 | $28,519 | -$6,540 | $352,566 | $0 | $352,566 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $13,446
- Net gain from sales of assets
- $26,682
Expenses
- Grants and similar amounts paid
- $22,804
- Compensation of officers, directors and key employees
- $7,645
- Disbursements for charitable purposes
- $24,715
- Excise tax on investment income
- $476
Balance sheet and other
- Total assets, start of year
- $382,848
- Total assets, end of year
- $391,291
- Total liabilities, end of year
- $0
- Net assets, end of year
- $391,291
- Fair market value of assets
- $554,299
- Qualifying distributions
- $24,715
- Net investment income
- $40,128
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ASSOCIATED TRUST COMPANY PO BOX 12800, GREEN BAY, WI 543072800 | TRUSTEE | 1 | $7,645 |
990-PF for the year ended December 31, 2024: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ASSOCIATED TRUST COMPANY PO BOX 12800, GREEN BAY, WI 543072800 | TRUSTEE | 1 | $7,435 |
990-PF for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ASSOCIATED TRUST COMPANY PO BOX 12800, GREEN BAY, WI 543072800 | TRUSTEE | 1 | $6,847 |
Address and contacts
- Address (IRS master file)
- PO BOX 12800, GREEN BAY, WI 54307-2800
- In care of
- % ASSOCIATED TR COMPANY
- Signed the 990-PF
- ASSOCIATED TRUST COMPANY NA, TRUSTEE
- Phone
- (414) 287-7138
- Return prepared by
- ERNST & YOUNG US LLP
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 39-6423610
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 1987
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $391,291
- Income (IRS master file)
- $44,121
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $40,128 | $31,830 | $391,291 | IRS |
| 990-PF | December 2024 | $58,776 | $29,102 | $382,848 | IRS |
| 990-PF | December 2023 | $21,979 | $28,519 | $352,566 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 39-6423610).
Questions about KARL W AND KATHERINE T PFIFFNER TRUST
- What is the EIN of KARL W AND KATHERINE T PFIFFNER TRUST?
- The employer identification number (EIN) of KARL W AND KATHERINE T PFIFFNER TRUST is 39-6423610.
- Is KARL W AND KATHERINE T PFIFFNER TRUST tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
- Are donations to KARL W AND KATHERINE T PFIFFNER TRUST tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does KARL W AND KATHERINE T PFIFFNER TRUST file?
- Form 990-PF. Private foundations file every year.
- When is the next return of KARL W AND KATHERINE T PFIFFNER TRUST due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did KARL W AND KATHERINE T PFIFFNER TRUST last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of KARL W AND KATHERINE T PFIFFNER TRUST?
- The 990-PF for the year ended December 31, 2025 lists 1 person; 1 received compensation from the organization, the highest $7,645 (ASSOCIATED TRUST COMPANY, TRUSTEE).
- How much revenue does KARL W AND KATHERINE T PFIFFNER TRUST have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $40,128, expenses of $31,830 and total assets of $391,291 at year end.
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