Nonprofit · EIN 85-2585793
SIEBERT WILLIAMS SHANK FOUNDATION
Tax-exempt · NEW YORK, NY 10005
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $869,007 | $892,633 | -$23,626 | $3,701,047 | $0 | $3,701,047 |
| December 31, 2024 | 990-PF | $900,145 | $1,053,437 | -$153,292 | $3,724,673 | $0 | $3,724,673 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $750,000
- Interest
- $119,007
Expenses
- Grants and similar amounts paid
- $820,400
- Compensation of officers, directors and key employees
- $55,000
- Disbursements for charitable purposes
- $879,011
- Excise tax on investment income
- $1,465
Balance sheet and other
- Total assets, start of year
- $3,724,673
- Total assets, end of year
- $3,701,047
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,701,047
- Fair market value of assets
- $3,701,047
- Qualifying distributions
- $879,011
- Net investment income
- $119,007
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 |
|---|---|---|---|
| SOBANI WARNER 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | PRESIDENT | 1 | $10,000 |
| DIANNE CALABRISOTTO 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | DIRECTOR | 1 | $10,000 |
| WILLIAM THOMPSON JR 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | DIRECTOR | 1 | $10,000 |
| ATEESH CHANDA 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | DIRECTOR | 1 | $10,000 |
| DANIEL DIAZ 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | CONTROLLER | 1 | $5,000 |
| MELISSA C ROWE 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | SECRETARY | 1 | $5,000 |
| JACKSON LAM 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | VP OF FINANCE | 1 | $5,000 |
990-PF for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SOBANI WARNER 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | PRESIDENT | 1 | $10,000 |
| DIANNE CALABRISOTTO 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | DIRECTOR | 1 | $10,000 |
| WILLIAM THOMPSON JR 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | DIRECTOR | 1 | $10,000 |
| ATEESH CHANDA 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | DIRECTOR | 1 | $10,000 |
| DANIEL DIAZ 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | CONTROLLER | 1 | $5,000 |
| MELISSA C ROWE 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | SECRETARY | 1 | $5,000 |
| JACKSON LAM 100 WALL STREET 18TH FLOOR, NEW YORK, NY 10005 | VP OF FINANCE | 1 | $5,000 |
Address and contacts
- Address (IRS master file)
- 100 WALL STREET 18TH FL, NEW YORK, NY 10005-3701
- In care of
- % DIANNE CALABRISOTTO
- Signed the 990-PF
- JACKSON LAM, OFFICER
- Phone
- (212) 376-4206
- Return prepared by
- GRASSI ADVISORY GROUP INC
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
- 85-2585793
- 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
- 2021
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T21)
- Assets (IRS master file)
- $3,701,047
- Income (IRS master file)
- $869,007
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $869,007 | $892,633 | $3,701,047 | XML |
| 990-PF | December 2024 | $900,145 | $1,053,437 | $3,724,673 | IRS |
| 990-PF | December 2023 | $1,030,456 | $828,402 | $3,917,965 | IRS |
| 990-PF | December 2022 | $1,000,000 | $570,794 | $3,675,911 | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | 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 85-2585793).
Questions about SIEBERT WILLIAMS SHANK FOUNDATION
- What is the EIN of SIEBERT WILLIAMS SHANK FOUNDATION?
- The employer identification number (EIN) of SIEBERT WILLIAMS SHANK FOUNDATION is 85-2585793.
- Is SIEBERT WILLIAMS SHANK FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2021.
- Are donations to SIEBERT WILLIAMS SHANK FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does SIEBERT WILLIAMS SHANK FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of SIEBERT WILLIAMS SHANK 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 SIEBERT WILLIAMS SHANK 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 SIEBERT WILLIAMS SHANK FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 7 people; 7 received compensation from the organization, the highest $10,000 (SOBANI WARNER, PRESIDENT).
- How much revenue does SIEBERT WILLIAMS SHANK FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $869,007, expenses of $892,633 and total assets of $3,701,047 at year end.
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