Nonprofit · EIN 13-6169215
CARL MARKS FOUNDATION INC
Tax-exempt · WILMINGTON, DE 19809
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990-PF | $9,155,215 | $842,726 | $8,312,489 | $18,832,942 | $0 | $18,832,942 |
| June 30, 2024 | 990-PF | $650,760 | $953,122 | -$302,362 | $10,520,453 | $0 | $10,520,453 |
| June 30, 2023 | 990-PF | $870,991 | $417,248 | $453,743 | $10,822,815 | $0 | $10,822,815 |
Financial details: 990-PF for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $0
- Dividends
- $521,529
- Interest
- $296,003
- Net gain from sales of assets
- $8,337,683
Expenses
- Grants and similar amounts paid
- $680,230
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $93,000
- Disbursements for charitable purposes
- $836,556
- Excise tax on investment income
- $127,254
Balance sheet and other
- Total assets, start of year
- $10,520,453
- Total assets, end of year
- $18,832,942
- Total liabilities, end of year
- $0
- Net assets, end of year
- $18,832,942
- Fair market value of assets
- $39,068,502
- Qualifying distributions
- $836,556
- Net investment income
- $9,155,215
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 June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SUSAN SHANKMAN 575 RIVERSIDE AVENUE, Westport, CT 06880 | Program Admin Highest-paid employee | 40 | $93,000 | $12,442 |
| Andrew M Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Co-Pres, Dir, Chairman | 1 | $0 | $0 |
| Carol A Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Treas, Dir | 1 | $0 | $0 |
| Carol L Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Assistant Treas, Dir | 1 | $0 | $0 |
| Rick Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Dir, Vice Chair | 1 | $0 | $0 |
| Mark Claster Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Co-Pres, Dir | 1 | $0 | $0 |
| Susan B Claster Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Dir, Vice Chair | 1 | $0 | $0 |
| Kate Liebman Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Sec | 10 | $0 | $0 |
990-PF for the year ended June 30, 2024: 8 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SUSAN SHANKMAN 575 RIVERSIDE AVE, WESTPORT, CT 06880 | Program Admin Highest-paid employee | 40 | $93,000 | $10,735 |
| Andrew M Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Co-Pres, Dir, Chairman | 1 | $0 | $0 |
| Carol A Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Treas, Dir | 1 | $0 | $0 |
| Carol L Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Assistant Treas, Dir | 1 | $0 | $0 |
| Rick Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Dir, VICE CHAIR | 1 | $0 | $0 |
| Mark Claster Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Co-Pres, Dir | 1 | $0 | $0 |
| Susan B Claster Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Dir, VICE CHAIR | 1 | $0 | $0 |
| Kate Liebman Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Sec | 20 | $0 | $0 |
990-PF for the year ended June 30, 2023: 8 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| SUSAN SHANKMAN 575 RIVERSIDE AVE STE 202A, WESTPORT, CT 06880 | Program Admin Highest-paid employee | 40 | $93,000 | $3,737 |
| Andrew M Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Co-Pres, Dir, Chairman | 1 | $0 | $0 |
| Carol A Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Treas, Dir | 1 | $0 | $0 |
| Carol L Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Assistant Treas, Dir | 1 | $0 | $0 |
| Rick Boas Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Dir, VP, VICE CHAIR | 1 | $0 | $0 |
| Mark Claster Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Co-Pres, Dir | 1 | $0 | $0 |
| Susan B Claster Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Dir, VP, VICE CHAIR | 1 | $0 | $0 |
| Kate Liebman Foundation Source 501 Silverside Rd, Wilmington, DE 198091377 | Sec | 20 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 501 SILVERSIDE RD STE 123, WILMINGTON, DE 19809-1377
- In care of
- % FOUNDATION SOURCE
- Signed the 990-PF
- Andrew M Boas, Co-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 June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990-PF on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990-PF on file |
IRS record
- EIN
- 13-6169215
- 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
- 1952
- Accounting year ends
- June
- Files
- Form 990-PF
- Assets (IRS master file)
- $18,832,942
- Income (IRS master file)
- $11,373,069
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | June 2025 | $9,155,215 | $842,726 | $18,832,942 | XML |
| 990-PF | June 2024 | $650,760 | $953,122 | $10,520,453 | XML |
| 990-PF | June 2023 | $870,991 | $417,248 | $10,822,815 | XML |
| 990-PF | June 2022 | – | – | – | IRS |
| 990-PF | June 2021 | – | – | – | IRS |
| 990-PF | June 2020 | – | – | – | IRS |
| 990-PF | June 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 13-6169215).
Questions about CARL MARKS FOUNDATION INC
- What is the EIN of CARL MARKS FOUNDATION INC?
- The employer identification number (EIN) of CARL MARKS FOUNDATION INC is 13-6169215.
- Is CARL MARKS FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1952.
- Are donations to CARL MARKS FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CARL MARKS FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CARL MARKS FOUNDATION INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CARL MARKS FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended June 2025.
- Who are the officers and directors of CARL MARKS FOUNDATION INC?
- The 990-PF for the year ended June 30, 2025 lists 8 people; 1 received compensation from the organization, the highest $93,000 (SUSAN SHANKMAN, Program Admin).
- How much revenue does CARL MARKS FOUNDATION INC have?
- On its 990-PF for the year ended June 30, 2025 it reported revenue of $9,155,215, expenses of $842,726 and total assets of $18,832,942 at year end.
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