Nonprofit · EIN 47-3897395
OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC
Tax-exempt · CHICAGO, IL 60606
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $2,725,898 | $2,368,397 | $357,501 | $419,785 | $0 | $419,785 |
| December 31, 2024 | 990 | $1,683,449 | $1,873,323 | -$189,874 | $62,284 | $0 | $62,284 |
| December 31, 2023 | 990 | $1,752,858 | $1,857,857 | -$104,999 | $252,158 | $0 | $252,158 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $2,725,898
- Program service revenue
- $0
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $1,772,025
- Compensation of officers, directors and key employees
- $361,980
- Other salaries and wages
- $96,464
- Salaries, compensation and benefits (total)
- $493,077
- Professional fundraising fees
- $0
- Legal fees
- $18,989
- Accounting fees
- $5,640
- Travel
- $45,346
- Program services (functional)
- $1,772,025
- Management and general (functional)
- $596,372
Balance sheet and other
- Total assets, start of year
- $62,284
- Total assets, end of year
- $419,785
- Total liabilities, end of year
- $0
- Net assets, end of year
- $419,785
- Net assets without donor restrictions
- $419,785
- Gross receipts
- $2,725,898
- Employees
- 4
- Year formed
- 2016
- State of legal domicile
- IL
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 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| AMIR MONTAZERY | VP - BUSINESS DEVELOPMENT | 40 | $181,980 |
| DEREK ZIMMER | Executive Dir. Officer | 40 | $180,000 |
990 for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DEREK ZIMMER | Executive Dir. Officer | 40 | $184,690 |
| AMIR MONTAZERY | VP - BUSINESS DEVELOPMENT | 40 | $184,690 |
990 for the year ended December 31, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| DEREK ZIMMER | Executive Dir. Officer | 40 | $178,750 |
| AMIR MONTAZERY | VP - BUSINESS DEVELOPMENT | 40 | $178,750 |
Address and contacts
- Address (IRS master file)
- 210 N WELLS ST APT 3102, CHICAGO, IL 60606-1345
- Signed the 990
- AMIR MONTAZERY, MANAGING DIRECTOR
- Phone
- (630) 484-3222
- Website
- HTTPS://OSTIF.ORG
- Return prepared by
- KENNETH P RAPOPORT CPA LTD
Mission
CHARITY FOR SCIENTIFIC RESEARCH
Program accomplishments
- AUDIT PROGRAMS AND RESEARCH- OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND MANAGES AUDIT PROGRAMS AND OTHER ASSOCIATED RESEARCH IN LINE WITH ITS MISSION TO IMPROVE THE SECURITY AND SUSTAINABILITY OF CRITICAL OPEN SOURCE PROJECTS.Expenses $1,772,025 · revenue $2,725,898
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. 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 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 47-3897395
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2016
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U41)
- Assets (IRS master file)
- $419,785
- Income (IRS master file)
- $2,725,898
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $2,725,898 | $2,368,397 | $419,785 | XML |
| 990 | December 2024 | $1,683,449 | $1,873,323 | $62,284 | XML |
| 990 | December 2023 | $1,752,858 | $1,857,857 | $252,158 | XML |
| 990 | December 2022 | $1,309,759 | $1,335,723 | $357,157 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | 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 47-3897395).
Questions about OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC
- What is the EIN of OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC?
- The employer identification number (EIN) of OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC is 47-3897395.
- Is OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
- Are donations to OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC 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 OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who are the officers and directors of OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC?
- The 990 for the year ended December 31, 2025 lists 2 people; 2 received compensation from the organization, the highest $181,980 (AMIR MONTAZERY, VP - BUSINESS DEVELOPMENT).
- How much revenue does OPEN SOURCE TECHNOLOGY IMPROVEMENT FUND INC have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $2,725,898, expenses of $2,368,397 and total assets of $419,785 at year end.
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