Nonprofit · EIN 20-5672425
THOMAS G STEMBERG CHARITABLE FOUNDATION
Tax-exempt · BOSTON, MA 02110
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $569,748 | $501,784 | $67,964 | $6,458,555 | $0 | $6,458,555 |
| December 31, 2023 | 990-PF | $226,550 | $458,748 | -$232,198 | $6,390,591 | $0 | $6,390,591 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Dividends
- $180,634
- Net gain from sales of assets
- $387,265
- Other income
- $1,849
Expenses
- Grants and similar amounts paid
- $442,500
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $442,596
- Excise tax on investment income
- $7,106
Balance sheet and other
- Total assets, start of year
- $6,390,591
- Total assets, end of year
- $6,458,555
- Total liabilities, end of year
- $0
- Net assets, end of year
- $6,458,555
- Fair market value of assets
- $8,388,357
- Qualifying distributions
- $442,596
- Net investment income
- $567,931
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 |
|---|---|---|---|
| KATHERINE CHAPMAN STEMBERG 6 ALWYNGTON ROAD, BROOKLINE, MA 02467 | TRUSTEE AS REQUIRED | 0 | $0 |
990-PF for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATHERINE CHAPMAN STEMBERG 6 ALWYNGTON ROAD, BROOKLINE, MA 02467 | TRUSTEE AS REQUIRED | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 50 POST OFFICE SQUARE, BOSTON, MA 02110-1543
- In care of
- % CAITLIN TIE
- Signed the 990-PF
- KATHERINE CHAPMAN STEMBERG, TRUSTEE
- Phone
- (617) 772-1385
- Return prepared by
- UHY ADVISORS NORTHEAST 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 | 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
- 20-5672425
- 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
- 2007
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $6,458,555
- Income (IRS master file)
- $1,995,282
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $569,748 | $501,784 | $6,458,555 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $226,550 | $458,748 | $6,390,591 | 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-PF | December 2018 | – | – | – | IRS |
| 990-PF | December 2017 | – | – | – | 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 20-5672425).
Questions about THOMAS G STEMBERG CHARITABLE FOUNDATION
- What is the EIN of THOMAS G STEMBERG CHARITABLE FOUNDATION?
- The employer identification number (EIN) of THOMAS G STEMBERG CHARITABLE FOUNDATION is 20-5672425.
- Is THOMAS G STEMBERG CHARITABLE FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2007.
- Are donations to THOMAS G STEMBERG CHARITABLE FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does THOMAS G STEMBERG CHARITABLE FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of THOMAS G STEMBERG CHARITABLE FOUNDATION 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 THOMAS G STEMBERG CHARITABLE FOUNDATION 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 THOMAS G STEMBERG CHARITABLE FOUNDATION?
- The 990-PF for the year ended December 31, 2024 lists 1 person; 0 received compensation from the organization.
- How much revenue does THOMAS G STEMBERG CHARITABLE FOUNDATION have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $569,748, expenses of $501,784 and total assets of $6,458,555 at year end.
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