Nonprofit · EIN 36-3679194
ROBERT & MARTHA ATHERTON FOUNDATION
Also known as C-O ROBERT ATHERTON
Tax-exempt · CRYSTAL LAKE, IL 60039
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $61,532 | $116,571 | -$55,039 | $842,819 | $0 | $842,819 |
| December 31, 2024 | 990-PF | $32,617 | $133,421 | -$100,804 | $894,533 | $0 | $894,533 |
| December 31, 2023 | 990-PF | $22,702 | $105,717 | -$83,015 | $965,441 | $0 | $965,441 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $61,603
- Net gain from sales of assets
- -$71
Expenses
- Grants and similar amounts paid
- $110,000
- Disbursements for charitable purposes
- $110,000
- Excise tax on investment income
- $765
Balance sheet and other
- Total assets, start of year
- $894,533
- Total assets, end of year
- $842,819
- Total liabilities, end of year
- $0
- Net assets, end of year
- $842,819
- Fair market value of assets
- $842,819
- Qualifying distributions
- $110,000
- Net investment income
- $61,603
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 |
|---|---|---|---|
| JOHN C BOECHER 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
| JOHN C ATHERTON 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
| LINDA ANDERSON 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JOHN C BOECHER 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
| JOHN C ATHERTON 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
| LINDA ANDERSON 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JOHN C BOECHER 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
| JOHN C ATHERTON 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
| LINDA ANDERSON 301 E CONGRESS PKWY UNIT 948, CRYSTAL LAKE, IL 60039 | Trustee | 0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 948, CRYSTAL LAKE, IL 60039-0948
- Signed the 990-PF
- JOHN C BOECHER, Trustee
- Phone
- (847) 298-8600
- Return prepared by
- RPC Services Inc
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
- 36-3679194
- 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
- 1991
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $842,819
- Income (IRS master file)
- $63,588
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $61,532 | $116,571 | $842,819 | IRS |
| 990-PF | December 2024 | $32,617 | $133,421 | $894,533 | IRS |
| 990-PF | December 2023 | $22,702 | $105,717 | $965,441 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2019 | – | – | – | 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 36-3679194).
Questions about ROBERT & MARTHA ATHERTON FOUNDATION
- What is the EIN of ROBERT & MARTHA ATHERTON FOUNDATION?
- The employer identification number (EIN) of ROBERT & MARTHA ATHERTON FOUNDATION is 36-3679194.
- Is ROBERT & MARTHA ATHERTON FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1991.
- Are donations to ROBERT & MARTHA ATHERTON FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does ROBERT & MARTHA ATHERTON FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of ROBERT & MARTHA ATHERTON FOUNDATION 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 ROBERT & MARTHA ATHERTON FOUNDATION 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 ROBERT & MARTHA ATHERTON FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does ROBERT & MARTHA ATHERTON FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $61,532, expenses of $116,571 and total assets of $842,819 at year end.
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