Nonprofit · EIN 26-3987455
TERN FOUNDATION INC
Tax-exempt · EASTHAM, MA 02642
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $118,295 | $266,771 | -$148,476 | $2,322,884 | $0 | $2,322,884 |
| December 31, 2024 | 990-PF | $85,914 | $243,942 | -$158,028 | $2,267,777 | $0 | $2,267,777 |
| December 31, 2023 | 990-PF | $38,505 | $185,107 | -$146,602 | $1,663,377 | $0 | $1,663,377 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $67,351
- Interest
- $1,512
- Net gain from sales of assets
- $49,432
Expenses
- Grants and similar amounts paid
- $250,538
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $256,673
- Excise tax on investment income
- $1,511
Balance sheet and other
- Total assets, start of year
- $2,267,777
- Total assets, end of year
- $2,322,884
- Total liabilities, end of year
- $0
- Net assets, end of year
- $2,322,884
- Fair market value of assets
- $2,322,884
- Qualifying distributions
- $256,673
- Net investment income
- $118,295
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 |
|---|---|---|---|
| MARIANNE LAMPKE C/O TERN FOUNDATION PO BOX 944, EASTHAM, MA 02642 | DIRECTOR AND PRESIDENT | 10 | $0 |
| ELISA LINNEHAN C/O TERN FOUNDATION PO BOX 944, EASTHAM, MA 02642 | DIRECTOR AND TREASURER | 10 | $0 |
990-PF for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARIANNE LAMPKE C/O TERN FOUNDATION PO BOX 944, EASTHAM, MA 02642 | DIRECTOR AND PRESIDENT | 10 | $0 |
| ELISA LINNEHAN C/O TERN FOUNDATION PO BOX 944, EASTHAM, MA 02642 | DIRECTOR AND TREASURER | 10 | $0 |
990-PF for the year ended December 31, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARIANNE LAMPKE C/O TERN FOUNDATION PO BOX 944, EASTHAM, MA 02642 | DIRECTOR AND PRESIDENT | 10 | $0 |
| ELISA LINNEHAN C/O TERN FOUNDATION PO BOX 944, EASTHAM, MA 02642 | DIRECTOR AND TREASURER | 10 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 944, EASTHAM, MA 02642-0944
- In care of
- % MARIANNE LAMPKE
- Signed the 990-PF
- MARIANNE LAMPKE, PRESIDENT
- Phone
- (914) 381-8900
- Website
- WWW.TERNFOUNDATION.ORG
- Return prepared by
- PKF O'CONNOR DAVIES ADVISORY LLC
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
- 26-3987455
- 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
- 2009
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $2,322,884
- Income (IRS master file)
- $402,142
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $118,295 | $266,771 | $2,322,884 | XML |
| 990-PF | December 2024 | $85,914 | $243,942 | $2,267,777 | XML |
| 990-PF | December 2023 | $38,505 | $185,107 | $1,663,377 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | 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 26-3987455).
Questions about TERN FOUNDATION INC
- What is the EIN of TERN FOUNDATION INC?
- The employer identification number (EIN) of TERN FOUNDATION INC is 26-3987455.
- Is TERN FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
- Are donations to TERN FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does TERN FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of TERN 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 TERN 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 TERN FOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does TERN FOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $118,295, expenses of $266,771 and total assets of $2,322,884 at year end.
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