Nonprofit · EIN 99-4768962
NORTH AMERICAN SIMS SOCIETY
Tax-exempt · NORTHRIDGE, CA 91325
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990-EZ | $99,782 | $52,814 | $46,968 | $46,968 | $0 | $46,968 |
Financial details: 990-EZ for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $38,379
- Program service revenue
- $61,021
- Investment income
- $382
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $5,112
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fees and payments to contractors
- $28,002
- Occupancy
- $16,087
- Other expenses
- $3,613
- Program services (functional)
- $47,701
Balance sheet and other
- Total assets, start of year
- $0
- Total assets, end of year
- $46,968
- Total liabilities, end of year
- $0
- Net assets, end of year
- $46,968
- Cash, savings and investments
- $46,968
- Gross receipts
- $99,782
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 September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Michael Eller | Chief Executive Officer | 5 | $0 |
| Christine Mahoney | Secretary | 5 | $0 |
| Melissa Passarelli | Assistant President | 5 | $0 |
| Steven Harvey | Chief Financial Officer | 5 | $0 |
| Tanguy Terlier | Vice-President | 5 | $0 |
| Robyn Goacher | Board Member | 5 | $0 |
| Alan Spool | Board Member | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 18411 PLUMMER ST APT 5, NORTHRIDGE, CA 91325-2169
- Signed the 990-EZ
- Alan Spool, Board Member
- Phone
- (408) 206-9379
- Website
- https://www.na-sims.org
California records
California keeps its own records of charities and corporations. Search them by EIN 99-4768962 or by the name NORTH AMERICAN SIMS SOCIETY.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
The North American SIMS Society is dedicated to establishing collaboration and communication between members of the SIMS community in North America and hosting both national and international conferences. Our goal is to strengthen the connections among SIMS users and ensure there are dedicated workshops and conferences where advances in instrumentation, data analysis techniques, and methods can be shared.
Program accomplishments
- Hosted the June 2025 NA-SIMS workshop in Northridge, CA.Expenses $47,701
- Provided Grants for student and PostDoc travel, student awards, and for the Garrison-Winograd Award.grants $5,112
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 September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | 990-EZ on file |
| 2023 | September 30, 2024 | February 18, 2025 | Check at the IRS |
IRS record
- EIN
- 99-4768962
- 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
- September
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Science and technology (U20)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | September 2025 | $99,782 | $52,814 | $46,968 | XML |
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 99-4768962).
Questions about NORTH AMERICAN SIMS SOCIETY
- What is the EIN of NORTH AMERICAN SIMS SOCIETY?
- The employer identification number (EIN) of NORTH AMERICAN SIMS SOCIETY is 99-4768962.
- Is NORTH AMERICAN SIMS SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to NORTH AMERICAN SIMS SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does NORTH AMERICAN SIMS SOCIETY file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of NORTH AMERICAN SIMS SOCIETY due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did NORTH AMERICAN SIMS SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended September 2025.
- Who are the officers and directors of NORTH AMERICAN SIMS SOCIETY?
- The 990-EZ for the year ended September 30, 2025 lists 7 people; 0 received compensation from the organization.
- How much revenue does NORTH AMERICAN SIMS SOCIETY have?
- On its 990-EZ for the year ended September 30, 2025 it reported revenue of $99,782, expenses of $52,814 and total assets of $46,968 at year end.
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