Nonprofit · EIN 39-4340257
SYMPOSIUM ON COMBINATORIAL SEARCH I NC
Tax-exempt · DURHAM, NH 03824
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $0 | $0 | $0 | $25,100 | $0 | $25,100 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $0
- 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)
- $0
Balance sheet and other
- Total assets, start of year
- $0
- Total assets, end of year
- $25,100
- Total liabilities, end of year
- $0
- Net assets, end of year
- $25,100
- Cash, savings and investments
- $25,100
- Gross receipts
- $0
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 |
|---|---|---|---|
| Nathan Sturtevant | Treasurer | 1.5 | $0 |
| Daniel Harabor | President and Director | 0.5 | $0 |
| Wheeler Ruml | Director | 0.5 | $0 |
| Jiaoyang Li | Director | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 33 ACADEMIC WAY, DURHAM, NH 03824-2619
- In care of
- % PROF WHEELER RUML
- Signed the 990-EZ
- Nathan Sturtevant, Treasurer
- Phone
- (303) 588-4155
Mission
The purpose of SoCS is to promote the study and understanding of combinatorial search algorithms among the public through the organization of scientific meetings, publications, tutorials, and other public scientific and educational activities.
Program accomplishments
- In the first partial year of existence, the Symposium on Combinatorial Search Inc did not conduct any activities besides finalize plans for an August 2026 event.
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 | Check at the IRS |
| 2023 | December 31, 2023 | May 15, 2024 | Check at the IRS |
IRS record
- EIN
- 39-4340257
- 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
- 2025
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Education (B90)
- Assets (IRS master file)
- $25,100
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $0 | $0 | $25,100 | 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 39-4340257).
Questions about SYMPOSIUM ON COMBINATORIAL SEARCH I NC
- What is the EIN of SYMPOSIUM ON COMBINATORIAL SEARCH I NC?
- The employer identification number (EIN) of SYMPOSIUM ON COMBINATORIAL SEARCH I NC is 39-4340257.
- Is SYMPOSIUM ON COMBINATORIAL SEARCH I NC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to SYMPOSIUM ON COMBINATORIAL SEARCH I NC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SYMPOSIUM ON COMBINATORIAL SEARCH I NC file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of SYMPOSIUM ON COMBINATORIAL SEARCH I NC 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 SYMPOSIUM ON COMBINATORIAL SEARCH I NC 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 SYMPOSIUM ON COMBINATORIAL SEARCH I NC?
- The 990-EZ for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does SYMPOSIUM ON COMBINATORIAL SEARCH I NC have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $0, expenses of $0 and total assets of $25,100 at year end.
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