Nonprofit · EIN 06-1636082
MAX AND SELMA KUPFERBERG FAMILY FOUNDATION
Also known as KUPFERBERG MAX ETAL TTEE
Tax-exempt · WILMINGTON, DE 19809
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $654,694 | $535,548 | $119,146 | $7,465,951 | $0 | $7,465,951 |
| December 31, 2024 | 990-PF | $368,607 | $482,025 | -$113,418 | $7,346,805 | $0 | $7,346,805 |
| December 31, 2023 | 990-PF | $421,720 | $486,055 | -$64,335 | $7,460,223 | $0 | $7,460,223 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- Dividends
- $282,514
- Interest
- $9,498
- Net gain from sales of assets
- $360,266
- Other income
- $2,416
Expenses
- Grants and similar amounts paid
- $450,250
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $471,877
- Excise tax on investment income
- $8,351
Balance sheet and other
- Total assets, start of year
- $7,346,805
- Total assets, end of year
- $7,465,951
- Total liabilities, end of year
- $0
- Net assets, end of year
- $7,465,951
- Fair market value of assets
- $9,020,623
- Qualifying distributions
- $471,877
- Net investment income
- $654,997
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 |
|---|---|---|---|
| Rhoda Kupferberg Joss Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee | 1 | $0 |
| Saul Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee | 1 | $0 |
990-PF for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Rhoda Kupferberg Joss Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee | 1 | $0 |
| Saul Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee | 1 | $0 |
990-PF for the year ended December 31, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Rhoda Kupferberg Joss Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee | 1 | $0 |
| Saul Kupferberg Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Trustee | 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
- Saul Kupferberg, Trustee
- 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 | 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
- 06-1636082
- 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
- 2002
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $7,465,951
- Income (IRS master file)
- $2,761,300
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $654,694 | $535,548 | $7,465,951 | XML |
| 990-PF | December 2024 | $368,607 | $482,025 | $7,346,805 | XML |
| 990-PF | December 2023 | $421,720 | $486,055 | $7,460,223 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-T | 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 06-1636082).
Questions about MAX AND SELMA KUPFERBERG FAMILY FOUNDATION
- What is the EIN of MAX AND SELMA KUPFERBERG FAMILY FOUNDATION?
- The employer identification number (EIN) of MAX AND SELMA KUPFERBERG FAMILY FOUNDATION is 06-1636082.
- Is MAX AND SELMA KUPFERBERG FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
- Are donations to MAX AND SELMA KUPFERBERG FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MAX AND SELMA KUPFERBERG FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MAX AND SELMA KUPFERBERG 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 MAX AND SELMA KUPFERBERG 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 MAX AND SELMA KUPFERBERG FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does MAX AND SELMA KUPFERBERG FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $654,694, expenses of $535,548 and total assets of $7,465,951 at year end.
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