Nonprofit · EIN 22-3746616
CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC
Tax-exempt · SCOTTSDALE, AZ 85254
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $157,696 | $241,133 | -$83,437 | $3,049,445 | $0 | $3,049,445 |
| December 31, 2024 | 990-PF | $174,903 | $198,308 | -$23,405 | $3,140,864 | $0 | $3,140,864 |
| December 31, 2023 | 990-PF | $95,662 | $206,494 | -$110,832 | $3,169,681 | $0 | $3,169,681 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $110,597
- Interest
- $10,094
- Net gain from sales of assets
- $452
- Other income
- $36,553
Expenses
- Grants and similar amounts paid
- $214,777
- Compensation of officers, directors and key employees
- $22,620
- Disbursements for charitable purposes
- $226,087
- Excise tax on investment income
- $1,892
Balance sheet and other
- Total assets, start of year
- $3,140,864
- Total assets, end of year
- $3,049,445
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,049,445
- Fair market value of assets
- $4,791,219
- Qualifying distributions
- $226,087
- Net investment income
- $147,456
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 |
|---|---|---|---|
| PATRICIA ABOIA 8170 N 90TH STREET APT 1320, SCOTTSDALE, AZ 85258 | TRUSTEE | 1 | $22,620 |
| JENNIFER PORTER 12637 N 67TH STREET, SCOTTSDALE, AZ 852544533 | TRUSTEE | 1 | $0 |
| REGINA ABOIA-VALL 23888 HEATHER MEADOW DRIVE, ASHBURN, VA 20148 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PATRICIA ABOIA 2781 SIENA LAKES CIR UNIT 2419, NAPLES, FL 341099083 | TRUSTEE | 1 | $18,066 |
| JENNIFER PORTER 12637 N 67TH STREET, SCOTTSDALE, AZ 852544533 | TRUSTEE | 1 | $0 |
| REGINA ABOIA-VALL 23888 HEATHER MEADOW DRIVE, ASHBURN, VA 20148 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PATRICIA ABOIA 2781 SIENA LAKES CIR UNIT 2419, NAPLES, FL 341099083 | TRUSTEE | 1 | $17,544 |
| JENNIFER PORTER 12637 N 67TH STREET, SCOTTSDALE, AZ 852544533 | TRUSTEE | 1 | $0 |
| REGINA ABOIA-VALL 23888 HEATHER MEADOW DRIVE, ASHBURN, VA 20148 | TRUSTEE | 1 | $0 |
Address and contacts
- Address (IRS master file)
- CO J PORTER 12637 N 67TH STREET, SCOTTSDALE, AZ 85254-0000
- In care of
- % M LOVELL
- Signed the 990-PF
- JENNIFER PORTER, TRUSTEE
- Phone
- (480) 203-4123
- Return prepared by
- NISIVOCCIA 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
- 22-3746616
- 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
- 2000
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $3,049,445
- Income (IRS master file)
- $939,169
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $157,696 | $241,133 | $3,049,445 | IRS |
| 990-T | December 2025 | – | – | – | IRS |
| 990-PF | December 2024 | $174,903 | $198,308 | $3,140,864 | IRS |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $95,662 | $206,494 | $3,169,681 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-T | 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 22-3746616).
Questions about CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC
- What is the EIN of CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC?
- The employer identification number (EIN) of CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC is 22-3746616.
- Is CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2000.
- Are donations to CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC 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 CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC 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 CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 1 received compensation from the organization, the highest $22,620 (PATRICIA ABOIA, TRUSTEE).
- How much revenue does CHARLES F KNIPPENBERG AND RUTH J KNIPPENBERG FOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $157,696, expenses of $241,133 and total assets of $3,049,445 at year end.
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