Nonprofit · EIN 38-2585850
INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY
Tax-exempt · PITTSBURGH, PA 15228
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $39,525 | $94,544 | -$55,019 | $368,800 | $203,075 | $165,725 |
| December 31, 2024 | 990-EZ | $55,738 | $99,539 | -$43,801 | $220,845 | $100 | $220,745 |
| December 31, 2023 | 990-EZ | $34,712 | $42,583 | -$7,871 | $264,545 | – | $264,545 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Membership dues
- $4,425
- Program service revenue
- $35,100
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $36,340
- Printing, publications and postage
- $99
- Other expenses
- $58,105
- Program services (functional)
- $43,026
Balance sheet and other
- Total assets, start of year
- $220,845
- Total assets, end of year
- $368,800
- Total liabilities, end of year
- $203,075
- Net assets, end of year
- $165,725
- Cash, savings and investments
- $336,341
- Gross receipts
- $39,525
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Roy Chemaly | President | 5 | $0 |
| Malgorzata K Mikulska | President Elect | 3 | $0 |
| Michelle Yong | Vice President | 3 | $0 |
| Monica Slavin | Treasurer | 3 | $0 |
| Murat Akova | Past President | 2 | $0 |
| Christine Marie Durand | Director | 2 | $0 |
| Michael G Ison | Director | 2 | $0 |
| Thomas Lehrnbecher | Director | 2 | $0 |
| Marisa H Miceli | Director | 2 | $0 |
| Nicolas J Mller | Director | 2 | $0 |
| Steven Pergam | Director | 2 | $0 |
| Ban Hock Tan | Director | 2 | $0 |
990-EZ for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Roy F Chemaly | President | 1 | $0 |
| Murat Akova | Past President | 1 | $0 |
| Monica Slavin | Treasurer | 1 | $0 |
| Michelle K Yong | Vice President | 1 | $0 |
| Malgorzata K Mikulska | President Elect | 1 | $0 |
990-EZ for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Murat Akova | President | 3 | $0 |
| Roy F Chemaly | Vice President | 2 | $0 |
| Luis Ostrosky | President Elect | 2 | $0 |
| Hans H Hirsch | Past President | 2 | $0 |
| Monica Slavin | Treasurer | 2 | $0 |
| Robin Avery | Director | 1 | $0 |
| Michael G Ison | Director | 1 | $0 |
| Thomas Lehrnbecher | Director | 1 | $0 |
| Michelle K Yong | Director | 1 | $0 |
| Marisa K Miceli | Director | 1 | $0 |
| Malgorzata K Mikulska | Director | 1 | $0 |
| Steve Pergam | Director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 461 COCHRAN ROAD - BOX 246, PITTSBURGH, PA 15228-1253
- Signed the 990-EZ
- Roy Chemaly, President
- Return prepared by
- Deb Borowski
Mission
See Schedule O
Program accomplishments
- To advance the understanding of the interactions between host defense and microbial agents in order to improve prevention and management of human disease in patients with compromised immune functionExpenses $43,026
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 38-2585850
- 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
- 1985
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Voluntary health associations and medical disciplines (G81Z)
- Assets (IRS master file)
- $368,800
- Income (IRS master file)
- $39,525
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $39,525 | $94,544 | $368,800 | IRS |
| 990-EZ | December 2024 | $55,738 | $99,539 | $220,845 | IRS |
| 990-EZ | December 2023 | $34,712 | $42,583 | $264,545 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2019 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | 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 38-2585850).
Questions about INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY
- What is the EIN of INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY?
- The employer identification number (EIN) of INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY is 38-2585850.
- Is INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1985.
- Are donations to INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY 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 INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY?
- The 990-EZ for the year ended December 31, 2025 lists 12 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL IMMUNOCOMPROMISED HOST SOCIETY have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $39,525, expenses of $94,544 and total assets of $368,800 at year end.
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