Nonprofit · EIN 27-4552822
SIEZEN 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 | $0 | $0 | $0 | $2,334 | $0 | $2,334 |
| December 31, 2024 | 990-PF | $0 | $150 | -$150 | $2,334 | $0 | $2,334 |
| December 31, 2023 | 990-PF | $5,000 | $3,384 | $1,616 | $2,484 | $0 | $2,484 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
Balance sheet and other
- Total assets, start of year
- $2,334
- Total assets, end of year
- $2,334
- Total liabilities, end of year
- $0
- Net assets, end of year
- $2,334
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 |
|---|---|---|---|
| Cecilia Chan 14 Wall Street, FL 20, New York, NY 10005 | Director & President | 2 | $0 |
| Gideon Salzman Gubbay 14 Wall Street, FL 20, New York, NY 10005 | Director & Treasurer | 2 | $0 |
| Tony Mok 4942 WAA STREET, Honolulu, HI 96821 | Director & Secretary | 2 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CECILIA CHAN 14 WALL STREET SUITE 8B, NEW YORK, NY 10005 | DIRECTOR AND PRESIDENT | 0 | $0 |
| ERIC L SORKIN 93 PROSPECT AVENUE, MONTCLAIR, NJ 07042 | DIRECTOR AND TREASURER | 0 | $0 |
| TONY MOK 4942 WAA STREET, HONOLULU, HI 96821 | DIRECTOR AND SECRETARY | 0 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CECILIA CHAN 14 WALL STREET SUITE 8B, NEW YORK, NY 10005 | DIRECTOR AND PRESIDENT | 0 | $0 |
| ERIC L SORKIN 93 PROSPECT AVENUE, MONTCLAIR, NJ 07042 | DIRECTOR AND TREASURER | 0 | $0 |
| TONY MOK 4942 WAA STREET, HONOLULU, HI 96821 | DIRECTOR AND SECRETARY | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 14 WALL ST FL 20, NEW YORK, NY 10005-2123
- In care of
- % CECILIA CHAN
- Signed the 990-PF
- Gideon Salzman Gubbay, Director & Treasurer
- Phone
- (929) 888-5869
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
- 27-4552822
- 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
- 2013
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $2,334
- Income (IRS master file)
- $1
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $0 | $0 | $2,334 | IRS |
| 990-PF | December 2024 | $0 | $150 | $2,334 | XML |
| 990-PF | December 2023 | $5,000 | $3,384 | $2,484 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
| 990-PF | December 2017 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.
Questions about SIEZEN FOUNDATION
- What is the EIN of SIEZEN FOUNDATION?
- The employer identification number (EIN) of SIEZEN FOUNDATION is 27-4552822.
- Is SIEZEN FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
- Are donations to SIEZEN FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does SIEZEN FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of SIEZEN 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 SIEZEN 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 SIEZEN FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does SIEZEN FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $0, expenses of $0 and total assets of $2,334 at year end.
Other nonprofits in NEW YORK
- GS DONOR ADVISED PHILANTHROPY FUND FOR WEALTH MANAGEMENT INC EIN 31-1774905 · last filed 990 for 2024
- BLOOMBERG FAMILY FOUNDATION INC EIN 20-5602483 · last filed 990-PF for 2024
- JEWISH COMMUNAL FUND EIN 23-7174183 · last filed 990 for 2025
- FORD FOUNDATION EIN 13-1684331 · last filed 990-PF for 2024
- FREEDOM TOGETHER FOUNDATION EIN 90-0747216 · last filed 990-PF for 2024
- FOUNDATION TO PROMOTE OPEN SOCIETY EIN 26-3753801 · last filed 990-PF for 2024
- RENWICK FOUNDATION-USA EIN 92-3457678 · last filed 990-PF for 2025
- ROCKEFELLER PHILANTHROPY ADVISORS INC EIN 13-3615533 · last filed 990 for 2024
All nonprofits in NEW YORK · New York · Philanthropy, voluntarism and grantmaking foundations