Nonprofit · EIN 43-1847629
STRIBLING FOUNDATION INC
Tax-exempt · WINNETKA, IL 60093
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| March 31, 2026 | 990-PF | $194,273 | $137,791 | $56,482 | $1,979,166 | $0 | $1,979,166 |
| March 31, 2025 | 990-PF | $221,572 | $121,900 | $99,672 | $1,945,540 | $0 | $1,945,540 |
| March 31, 2024 | 990-PF | $95,840 | $109,889 | -$14,049 | $1,845,868 | $0 | $1,845,868 |
Financial details: 990-PF for the year ended March 31, 2026
Revenue
- Dividends
- $49,480
- Net gain from sales of assets
- $144,793
Expenses
- Grants and similar amounts paid
- $119,480
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $119,480
- Excise tax on investment income
- $2,446
Balance sheet and other
- Total assets, start of year
- $1,945,540
- Total assets, end of year
- $1,979,166
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,979,166
- Fair market value of assets
- $2,180,268
- Qualifying distributions
- $119,480
- Net investment income
- $194,273
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 March 31, 2026, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ANN KOSTER ANTONIOU 7048 WESTMORELAND DRIVE, ST LOUIS, MO 63130 | DIRECTOR | 0 | $0 |
| R STRIBLING KOSTER 801 BRYANT AVE, WINNETKA, IL 60093 | PRESIDENT/SEC/TREAS | 0 | $0 |
| WINIFRED RUNGE STRIBLING 1318 WEBSTER DRIVE, MEXICO, MO 65265 | DIRECTOR | 0 | $0 |
990-PF for the year ended March 31, 2025: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| R STRIBLING KOSTER 801 BRYANT AVE, WINNETKA, IL 60093 | PRESIDENT/SE | 0 | $0 |
| ANN KOSTER ANTONIOU 7048 WESTMORELAND DRIVE, ST LOUIS, MO 63130 | DIRECTOR | 0 | $0 |
| WINIFRED RUNGE STRIBLING 1318 WEBSTER DRIVE, MEXICO, MO 65265 | DIRECTOR | 0 | $0 |
990-PF for the year ended March 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| R STRIBLING KOSTER 801 BRYANT AVE, WINNETKA, IL 60093 | PRESIDENT/SE | 0 | $0 |
| ANN KOSTER ANTONIOU 7048 WESTMORELAND DRIVE, ST LOUIS, MO 63130 | DIRECTOR | 0 | $0 |
| WINIFRED RUNGE STRIBLING 1318 WEBSTER DRIVE, MEXICO, MO 65265 | DIRECTOR | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 801 BRYANT AVE, WINNETKA, IL 60093-1901
- In care of
- % MHC CPAS LLC
- Signed the 990-PF
- R STRIBLING KOSTER, PRESIDENT
- Phone
- (312) 876-8821
- Return prepared by
- HOOD PROFESSIONAL SERVICES
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in March, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | March 31, 2026 | August 17, 2026 | 990-PF on file |
| 2024 | March 31, 2025 | August 15, 2025 | 990-PF on file |
| 2023 | March 31, 2024 | August 15, 2024 | 990-PF on file |
IRS record
- EIN
- 43-1847629
- 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
- 1999
- Accounting year ends
- March
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $1,979,166
- Income (IRS master file)
- $631,405
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | March 2026 | $194,273 | $137,791 | $1,979,166 | XML |
| 990-PF | March 2025 | $221,572 | $121,900 | $1,945,540 | XML |
| 990-PF | March 2024 | $95,840 | $109,889 | $1,845,868 | XML |
| 990-PF | March 2023 | – | – | – | IRS |
| 990-PF | March 2022 | – | – | – | IRS |
| 990-PF | March 2021 | – | – | – | IRS |
| 990-PF | March 2019 | – | – | – | 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 43-1847629).
Questions about STRIBLING FOUNDATION INC
- What is the EIN of STRIBLING FOUNDATION INC?
- The employer identification number (EIN) of STRIBLING FOUNDATION INC is 43-1847629.
- Is STRIBLING FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
- Are donations to STRIBLING FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does STRIBLING FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of STRIBLING FOUNDATION INC due?
- The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did STRIBLING FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended March 2026.
- Who are the officers and directors of STRIBLING FOUNDATION INC?
- The 990-PF for the year ended March 31, 2026 lists 3 people; 0 received compensation from the organization.
- How much revenue does STRIBLING FOUNDATION INC have?
- On its 990-PF for the year ended March 31, 2026 it reported revenue of $194,273, expenses of $137,791 and total assets of $1,979,166 at year end.
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