Nonprofit · EIN 26-3933735
LEIBNER COOPER FAMILY FOUNDATION
Tax-exempt · NEW YORK, NY 10019
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $101,639 | $202,999 | -$101,360 | $538,788 | $0 | $538,788 |
| December 31, 2024 | 990-PF | $62,333 | $239,104 | -$176,771 | $638,695 | $0 | $638,695 |
| December 31, 2023 | 990-PF | $84,775 | $262,483 | -$177,708 | $815,466 | $0 | $815,466 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $16,712
- Interest
- $7,453
- Net gain from sales of assets
- $77,366
- Other income
- $108
Expenses
- Grants and similar amounts paid
- $177,068
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $187,505
- Excise tax on investment income
- $1,210
Balance sheet and other
- Total assets, start of year
- $638,695
- Total assets, end of year
- $538,788
- Total liabilities, end of year
- $0
- Net assets, end of year
- $538,788
- Fair market value of assets
- $830,705
- Qualifying distributions
- $187,505
- Net investment income
- $101,531
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 |
|---|---|---|---|
| CAROLE COOPER LEIBNER 340 WEST 57TH STREET, NEW YORK, NY 10019 | DIRECTOR & PRESIDENT | 0.5 | $0 |
| ADAM LEIBNER 43 TAYLOR ROAD, BEDFORD CORNERS, NY 10549 | DIRECTOR & VICE PRESIDENT | 0.5 | $0 |
| JONATHAN LEIBNER 6 WINTHROP ROAD, CHAPPAQUA, NY 10514 | DIRECTOR, SECRETARY & TREASURER | 0.5 | $0 |
990-PF for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CAROLE COOPER LEIBNER 340 WEST 57TH STREET, NEW YORK, NY 10019 | DIRECTOR & PRESIDENT | 0.5 | $0 |
| ADAM LEIBNER 43 TAYLOR ROAD, BEDFORD CORNERS, NY 10549 | DIRECTOR & VICE PRESIDENT | 0.5 | $0 |
| JONATHAN LEIBNER 6 WINTHROP ROAD, CHAPPAQUA, NY 10514 | DIRECTOR, SECRETARY & TREASURER | 0.5 | $0 |
| RICHARD A LEIBNER DECEASED 4924 340 WEST 57TH STREET, NEW YORK, NY 10019 | DIRECTOR & VICE PRESIDENT | 0.5 | $0 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CAROLE COOPER LEIBNER 340 WEST 57TH STREET, NEW YORK, NY 10019 | DIRECTOR & PRESIDENT | 0.5 | $0 |
| RICHARD A LEIBNER 340 WEST 57TH STREET, NEW YORK, NY 10019 | DIRECTOR & VICE PRESIDENT | 0.5 | $0 |
| ADAM LEIBNER 43 TAYLOR ROAD, BEDFORD CORNERS, NY 10549 | DIRECTOR & VICE PRESIDENT | 0.5 | $0 |
| JONATHAN LEIBNER 6 WINTHROP ROAD, CHAPPAQUA, NY 10514 | DIRECTOR, SECRETARY & TREASURER | 0.5 | $0 |
Address and contacts
- Address (IRS master file)
- 340 WEST 57TH STREET, NEW YORK, NY 10019-3706
- In care of
- % CAROLE COOPER LEIBNER
- Signed the 990-PF
- JONATHAN LEIBNER, TREASURER
- Phone
- (212) 697-1000
- Return prepared by
- COHNREZNICK 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
- 26-3933735
- 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)
- $538,788
- Income (IRS master file)
- $351,886
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $101,639 | $202,999 | $538,788 | IRS |
| 990-PF | December 2024 | $62,333 | $239,104 | $638,695 | IRS |
| 990-PF | December 2023 | $84,775 | $262,483 | $815,466 | 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 26-3933735).
Questions about LEIBNER COOPER FAMILY FOUNDATION
- What is the EIN of LEIBNER COOPER FAMILY FOUNDATION?
- The employer identification number (EIN) of LEIBNER COOPER FAMILY FOUNDATION is 26-3933735.
- Is LEIBNER COOPER FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
- Are donations to LEIBNER COOPER FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does LEIBNER COOPER FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of LEIBNER COOPER FAMILY 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 LEIBNER COOPER FAMILY 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 LEIBNER COOPER FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does LEIBNER COOPER FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $101,639, expenses of $202,999 and total assets of $538,788 at year end.
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