Nonprofit · EIN 81-4302337
INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION
Tax-exempt · ARLINGTON, MA 02474
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-EZ | $1,550 | $13,797 | -$12,247 | $68,359 | $0 | $68,359 |
| December 31, 2023 | 990 | $20,000 | $2,104 | $17,896 | $79,001 | $0 | $79,001 |
| December 31, 2022 | 990 | $344,059 | $389,505 | -$45,446 | $61,105 | $0 | $61,105 |
Financial details: 990-EZ for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $1,550
- Program service revenue
- $0
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $178
- Professional fees and payments to contractors
- $13,500
- Printing, publications and postage
- $119
Balance sheet and other
- Total assets, start of year
- $80,606
- Total assets, end of year
- $68,359
- Total liabilities, end of year
- $0
- Net assets, end of year
- $68,359
- Cash, savings and investments
- $68,359
- Gross receipts
- $1,550
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Robert Lafyatis | Board member | 1 | $0 |
| Maria Trojanowska | Board Member | 1 | $0 |
| Mike Whitfield | Board Member | 1 | $0 |
| John Varga | Board Member | 1 | $0 |
| Carol Feghali-Bostwick | Board Member | 1 | $0 |
990 for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ROBERT LAFYATIS MD | PRESIDENT Trustee or director, Officer | 1 | $0 |
| CATHERINE BRENNAN | CLERK Trustee or director, Officer | 1 | $0 |
| CAROL FEGHALI-BOSTICK PHD | DIRECTOR Trustee or director | 1 | $0 |
| MARIA TROJANOWSKA PHD | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL WHITFIELD PHD | DIRECTOR Trustee or director | 1 | $0 |
| JOHN VARGA MD | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2022: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ROBERT LAFYATIS MD | PRESIDENT Trustee or director, Officer | 1 | $0 |
| CATHERINE BRENNAN | CLERK Trustee or director, Officer | 1 | $0 |
| CAROL FEGHALI-BOSTICK PHD | DIRECTOR Trustee or director | 1 | $0 |
| MARIA TROJANOWSKA PHD | DIRECTOR Trustee or director | 1 | $0 |
| MICHAEL WHITFIELD PHD | DIRECTOR Trustee or director | 1 | $0 |
| JOHN VARGA MD | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 6 SUMMER HILL CIR, ARLINGTON, MA 02474-2967
- In care of
- % ROBERT LAFYATIS
- Mailing address (990-N for 2025)
- 6 SUMMER HILL CIR, ARLINGTON MA 024742967
- Principal officer (990-N for 2025)
- Robert Lafyatis, 6 Summer Hill Circle, ARLINGTON MA 02474
- Signed the 990-EZ
- Robert Lafyatis, President
- Phone
- (617) 686-1754
Mission
This organization supports biennial scientific meetings on the rheumatic disease systemic sclerosis also known as scleroderma
Program accomplishments
- 0
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-N on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 81-4302337
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2017
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Voluntary health associations and medical disciplines (G50)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Robert Lafyatis | December 31, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | December 2024 | $1,550 | $13,797 | $68,359 | XML |
| 990 | December 2023 | $20,000 | $2,104 | $79,001 | XML |
| 990 | December 2022 | $344,059 | $389,505 | $61,105 | XML |
| 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 81-4302337).
Questions about INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION
- What is the EIN of INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION?
- The employer identification number (EIN) of INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION is 81-4302337.
- Is INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
- Are donations to INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION 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 WORKSHOP ON SCLERODERMA RESEARCH CORPORATION last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
- Who is the principal officer of INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION?
- The 990-N for 2025 names Robert Lafyatis.
- Who are the officers and directors of INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION?
- The 990-EZ for the year ended December 31, 2024 lists 5 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL WORKSHOP ON SCLERODERMA RESEARCH CORPORATION have?
- On its 990-EZ for the year ended December 31, 2024 it reported revenue of $1,550, expenses of $13,797 and total assets of $68,359 at year end.
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