Nonprofit · EIN 20-1137851
AUTOIMMUNITY RESEARCH INC
Tax-exempt · THOUSAND OAKS, CA 91360
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $7,707 | $64,922 | -$57,215 | $264,233 | $24 | $264,209 |
| December 31, 2024 | 990-EZ | $3,524 | $76,406 | -$72,882 | $321,472 | $0 | $321,472 |
| December 31, 2023 | 990-EZ | $4,014 | $73,396 | -$69,382 | $394,389 | $0 | $394,389 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $6,548
- Program service revenue
- $0
- Investment income
- $1,159
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $50,000
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Other expenses
- $14,922
- Program services (functional)
- $13,160
Balance sheet and other
- Total assets, start of year
- $321,472
- Total assets, end of year
- $264,233
- Total liabilities, end of year
- $24
- Net assets, end of year
- $264,209
- Cash, savings and investments
- $264,233
- Gross receipts
- $7,707
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 |
|---|---|---|---|
| Trevor G Marshall | CEO, Chairman of Board | 1 | $0 |
| Frances Marshall | CFO, Director | 1 | $0 |
| Mary Sue Mistler | Director | 1 | $0 |
| Trudy J Behrendsen | Director | 1 | $0 |
| Veny Musum | Director | 2 | $0 |
990-EZ for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Trevor G Marshall | CEO, Chairman of Board | 10 | $0 |
| Frances Marshall | CFO, Director | 5 | $0 |
| Mary Sue Mistler | Director | 1 | $0 |
| Trudy J Behrendsen | Director | 1 | $0 |
| Veny Musum | Director | 1 | $0 |
990-EZ for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Trevor G Marshall | CEO, Chairman of Board | 5 | $0 |
| Frances Marshall | CFO, Director | 4 | $0 |
| Mary Sue Mistler | Director | 1 | $0 |
| Trudy J Behrendsen | Director | 1 | $0 |
| Veny Musum | Director | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 3423 HILL CANYON AVE, THOUSAND OAKS, CA 91360-1122
- Signed the 990-EZ
- Frances Marshall, Secretary
- Phone
- (805) 492-3693
- Website
- autoimmunityresearch.org
California records
California keeps its own records of charities and corporations. Search them by EIN 20-1137851 or by the name AUTOIMMUNITY RESEARCH INC.
- 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
To conduct scientific research into the cause and cure of autoimmune and non-autoimmune diseases. To instruct the public on subjects related to disease, useful to individuals and beneficial to the community.
Program accomplishments
- Instruct the public on subjects related to disease, useful to individuals and beneficial to the community. All presentations are made available to the public on YouTube and/or Vimeo. Our primary internet sites are marshallprotocol.com, mpkb.org, autoimmunityresearch.org and youtube.com/DrTrevorMarshall.Expenses $9,870 · grants $32,000
- To conduct scientific research into the cause and cure of autoimmune and non-autoimmune diseases. In support of our educational mission, and or our research mission, we continued our public, open-format, collaborative clinical research based on internet co-ordination. Data extracted from this research was used to support the science by publishing peer-reviewed papers.Expenses $3,290 · grants $18,000
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
- 20-1137851
- 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
- 2007
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Medical research (H05)
- Assets (IRS master file)
- $264,233
- Income (IRS master file)
- $7,707
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $7,707 | $64,922 | $264,233 | XML |
| 990-EZ | December 2024 | $3,524 | $76,406 | $321,472 | IRS |
| 990-EZ | December 2023 | $4,014 | $73,396 | $394,389 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | 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 20-1137851).
Questions about AUTOIMMUNITY RESEARCH INC
- What is the EIN of AUTOIMMUNITY RESEARCH INC?
- The employer identification number (EIN) of AUTOIMMUNITY RESEARCH INC is 20-1137851.
- Is AUTOIMMUNITY RESEARCH INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2007.
- Are donations to AUTOIMMUNITY RESEARCH INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does AUTOIMMUNITY RESEARCH INC file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of AUTOIMMUNITY RESEARCH 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 AUTOIMMUNITY RESEARCH INC 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 AUTOIMMUNITY RESEARCH INC?
- The 990-EZ for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does AUTOIMMUNITY RESEARCH INC have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $7,707, expenses of $64,922 and total assets of $264,233 at year end.
Other nonprofits in THOUSAND OAKS
- PITUITARY NETWORK ASSOCIATION EIN 33-0530465 · last filed 990 for 2025
- BRAIN SCIENCES FOUNDATION EIN 95-4228636 · last filed 990-N for 2025
- BRAIN & SPINE RESEARCH FOUNDATION EIN 93-3729132 · last filed 990-N for 2025
- INSTITUTE FOR MUSIC AND BRAIN SCIENCE INC EIN 81-0782509 · last filed 990-N for 2024
- AMGEN SAFETY NET FOUNDATION EIN 22-3850021 · last filed 990-PF for 2024
- CALIFORNIA LUTHERAN UNIVERSITY EIN 95-2962604 · last filed 990 for 2025
- COMPASS CHARTER SCHOOLS EIN 45-3643984 · last filed 990 for 2025
- AMGEN INC VOLUNTARY EMPLOYEES BENEFICIARY ASSOCIATION TRUST EIN 26-1582113 · last filed 990 for 2024
All nonprofits in THOUSAND OAKS · California · Medical research