Nonprofit · EIN 38-4243971
MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC
Tax-exempt · EAST HAMPTON, NY 11937
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $698,787 | $908,865 | -$210,078 | $18,391,384 | $0 | $18,391,384 |
| December 31, 2024 | 990-PF | $688,367 | $452,047 | $236,320 | $16,761,293 | $0 | $16,761,293 |
| December 31, 2023 | 990-PF | $322,855 | $257,207 | $65,648 | $12,375,956 | $0 | $12,375,956 |
| December 31, 2022 | 990-PF | $0 | $0 | $0 | $8,000,329 | $0 | $8,000,329 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $697,697
- Net gain from sales of assets
- $1,090
Expenses
- Grants and similar amounts paid
- $660,915
- Compensation of officers, directors and key employees
- $160,000
- Disbursements for charitable purposes
- $822,169
- Excise tax on investment income
- $8,700
Balance sheet and other
- Total assets, start of year
- $16,761,293
- Total assets, end of year
- $18,391,384
- Total liabilities, end of year
- $0
- Net assets, end of year
- $18,391,384
- Fair market value of assets
- $18,391,384
- Qualifying distributions
- $822,169
- Net investment income
- $698,787
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 |
|---|---|---|---|
| DONNA KRAMER 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | TREASURER | 30 | $160,000 |
| MARK FEINBERG 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | PRESIDENT | 1 | $0 |
| NANCY FEINBERG 131 PRINCE STREET, NEW YORK, NY 10012 | SECRETARY | 1 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DONNA KRAMER 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | TREASURER | 30 | $93,333 |
| MARK FEINBERG 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | PRESIDENT | 1 | $0 |
| NANCY FEINBERG 131 PRINCE STREET, NEW YORK, NY 10012 | SECRETARY | 1 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARK FEINBERG 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | PRESIDENT | 1 | $0 |
| NANCY FEINBERG 131 PRINCE STREET, NEW YORK, NY 10012 | SECRETARY | 1 | $0 |
| DONNA KRAMER 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | TREASURER | 1 | $0 |
990-PF for the year ended December 31, 2022: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARK FEINBERG 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | PRESIDENT | 1 | $0 |
| NANCY FEINBERG 131 PRINCE STREET, NEW YORK, NY 10012 | SECRETARY | 1 | $0 |
| DONNA KRAMER 274 OLD STONE HWY, EAST HAMPTON, NY 11937 | TREASURER | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 274 OLD STONE HWY, EAST HAMPTON, NY 11937-1618
- Signed the 990-PF
- MARK FEINBERG, PRESIDENT
- Phone
- (631) 658-9198
- Return prepared by
- GARY M BECKMANN CPA PC
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
- 38-4243971
- 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
- 2024
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $18,391,384
- Income (IRS master file)
- $9,573,783
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $698,787 | $908,865 | $18,391,384 | XML |
| 990-PF | December 2024 | $688,367 | $452,047 | $16,761,293 | XML |
| 990-PF | December 2023 | $322,855 | $257,207 | $12,375,956 | XML |
| 990-PF | December 2022 | $0 | $0 | $8,000,329 | XML |
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 38-4243971).
Questions about MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC
- What is the EIN of MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC?
- The employer identification number (EIN) of MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC is 38-4243971.
- Is MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
- Are donations to MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MARK ALLEN FEINBERG CHARITABLE 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 MARK ALLEN FEINBERG CHARITABLE 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 MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 1 received compensation from the organization, the highest $160,000 (DONNA KRAMER, TREASURER).
- How much revenue does MARK ALLEN FEINBERG CHARITABLE FOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $698,787, expenses of $908,865 and total assets of $18,391,384 at year end.
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