Nonprofit · EIN 11-6008915
KUPFERBERG FOUNDATION INCORPORATED
Tax-exempt · WILMINGTON, DE 19809
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $2,037,289 | $888,739 | $1,148,550 | $10,004,912 | $0 | $10,004,912 |
| December 31, 2023 | 990-PF | $840,838 | $853,772 | -$12,934 | $8,856,362 | $0 | $8,856,362 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $0
- Dividends
- $262,207
- Interest
- $16,424
- Net gain from sales of assets
- $1,744,862
- Other income
- $13,796
Expenses
- Grants and similar amounts paid
- $689,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $737,010
- Excise tax on investment income
- $23,749
Balance sheet and other
- Total assets, start of year
- $8,856,362
- Total assets, end of year
- $10,004,912
- Total liabilities, end of year
- $0
- Net assets, end of year
- $10,004,912
- Fair market value of assets
- $16,264,263
- Qualifying distributions
- $737,010
- Net investment income
- $1,836,591
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mark Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Sec | 1 | $0 |
| Martin Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee, Pres | 1 | $0 |
| Saul Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee, Treas | 1 | $0 |
| Seth Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee, VP | 1 | $0 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mark Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Sec | 1 | $0 |
| Martin Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee, Pres | 1 | $0 |
| Saul Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee, Treas | 1 | $0 |
| Seth Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee, VP | 1 | $0 |
Address and contacts
- Address (IRS master file)
- FOUNDATION SOURCE 501 SILVERSIDE RD, WILMINGTON, DE 19809-0000
- In care of
- % FOUNDATION SOURCE
- Signed the 990-PF
- Martin Kupferberg, President
- Phone
- (800) 839-1754
- Return prepared by
- Foundation Source
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 | Not 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
- 11-6008915
- 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
- 1962
- Accounting year ends
- December
- Files
- Form 990-PF
- Assets (IRS master file)
- $10,004,912
- Income (IRS master file)
- $4,791,573
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $2,037,289 | $888,739 | $10,004,912 | XML |
| 990-PF | December 2023 | $840,838 | $853,772 | $8,856,362 | 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 11-6008915).
Questions about KUPFERBERG FOUNDATION INCORPORATED
- What is the EIN of KUPFERBERG FOUNDATION INCORPORATED?
- The employer identification number (EIN) of KUPFERBERG FOUNDATION INCORPORATED is 11-6008915.
- Is KUPFERBERG FOUNDATION INCORPORATED tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1962.
- Are donations to KUPFERBERG FOUNDATION INCORPORATED tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does KUPFERBERG FOUNDATION INCORPORATED file?
- Form 990-PF. Private foundations file every year.
- When is the next return of KUPFERBERG FOUNDATION INCORPORATED due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did KUPFERBERG FOUNDATION INCORPORATED last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of KUPFERBERG FOUNDATION INCORPORATED?
- The 990-PF for the year ended December 31, 2024 lists 4 people; 0 received compensation from the organization.
- How much revenue does KUPFERBERG FOUNDATION INCORPORATED have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $2,037,289, expenses of $888,739 and total assets of $10,004,912 at year end.
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