Nonprofit · EIN 94-1585914
MENTAL RESEARCH INSTITUTE
Tax-exempt · MENLO PARK, CA 94025
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $537,330 | $799,235 | -$261,905 | $11,256,580 | $3,218,740 | $8,037,840 |
| December 31, 2024 | 990-PF | $557,568 | $576,212 | -$18,644 | $10,584,159 | $3,218,965 | $7,365,194 |
| March 31, 2024 | 990-PF | $286,873 | $613,894 | -$327,021 | $10,384,450 | $3,016,376 | $7,368,074 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $10,004
- Dividends
- $304,481
- Net gain from sales of assets
- $222,677
- Other income
- $168
Expenses
- Grants and similar amounts paid
- $560,280
- Compensation of officers, directors and key employees
- $85,208
- Salaries, compensation and benefits (total)
- $46,330
- Disbursements for charitable purposes
- $741,441
- Excise tax on investment income
- $6,602
Balance sheet and other
- Total assets, start of year
- $10,584,159
- Total assets, end of year
- $11,256,580
- Total liabilities, end of year
- $3,218,740
- Net assets, end of year
- $8,037,840
- Fair market value of assets
- $11,246,174
- Qualifying distributions
- $741,441
- Net investment income
- $527,326
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-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SOPHIE SUBERVILLE 671 OAK GROVE AVE SUITE H, MENLO PARK, CA 94025 | EXECUTIVE DIRECTOR | 20 | $85,208 |
| PEGGY BRADSHAW 671 OAK GROVE AVE SUITE H, MENLO PARK, CA 94025 | TREASURER | 5 | $0 |
| MARY ANN NORFLEET 671 OAK GROVE AVE SUITE H, MENLO PARK, CA 94025 | PRESIDENT | 5 | $0 |
| PATRICK WHALEN 671 OAK GROVE AVE SUITE H, MENLO PARK, CA 94025 | SECRETARY | 2 | $0 |
| KATHRYN DEWITT 671 OAK GROVE AVE SUITE H, MENLO PARK, CA 94025 | BOARD MEMBER | 3 | $0 |
990-PF for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Sophie Suberville 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Executive Director | 20 | $56,250 |
| Peggy Bradshaw 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Treasurer | 5 | $0 |
| Reed Lestinger 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Secretary | 2 | $0 |
| Bruce Neben 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Boasrd Member | 5 | $0 |
| Mary Ann Norfleet 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | President | 5 | $0 |
| Patrick Whalen 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Vice President | 3 | $0 |
990-PF for the year ended March 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Sophie Suberville 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Executive Director | 20 | $64,646 |
| Peggy Bradshaw 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Treasurer | 5 | $0 |
| Reed Lestinger 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Secretary | 2 | $0 |
| Bruce Neben 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Boasrd Member | 5 | $0 |
| Mary Ann Norfleet 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | President | 5 | $0 |
| Patrick Whalen 671 Oak Grove Ave Suite H, Menlo Park, CA 94025 | Vice President | 3 | $0 |
Address and contacts
- Address (IRS master file)
- 671 OAK GROVE AVE STE H, MENLO PARK, CA 94025-4332
- In care of
- % SOPHIE SUBERVILLE
- Signed the 990-PF
- SOPHIE SUBERVILLE, EXECUTIVE DIRECTOR
- Phone
- (650) 321-3055
- Website
- MRI.ORG
- Return prepared by
- Richard Pon CPA
California records
California keeps its own records of charities and corporations. Search them by EIN 94-1585914 or by the name MENTAL RESEARCH INSTITUTE.
- 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)
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in March, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | March 31, 2026 | August 17, 2026 | Check at the IRS |
| 2024 | March 31, 2025 | August 15, 2025 | Check at the IRS |
| 2023 | March 31, 2024 | August 15, 2024 | 990-PF on file |
IRS record
- EIN
- 94-1585914
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 1964
- Accounting year ends
- March
- Files
- Form 990-PF
- Assets (IRS master file)
- $11,256,580
- Income (IRS master file)
- $1,292,033
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $537,330 | $799,235 | $11,256,580 | XML |
| 990-PF | December 2024 | $557,568 | $576,212 | $10,584,159 | XML |
| 990-PF | March 2024 | $286,873 | $613,894 | $10,384,450 | XML |
| 990-PF | March 2023 | – | – | – | IRS |
| 990-PF | March 2022 | – | – | – | IRS |
| 990-PF | March 2021 | – | – | – | IRS |
| 990 | March 2019 | – | – | – | IRS |
| 990 | March 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 94-1585914).
Questions about MENTAL RESEARCH INSTITUTE
- What is the EIN of MENTAL RESEARCH INSTITUTE?
- The employer identification number (EIN) of MENTAL RESEARCH INSTITUTE is 94-1585914.
- Is MENTAL RESEARCH INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1964.
- Are donations to MENTAL RESEARCH INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MENTAL RESEARCH INSTITUTE file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MENTAL RESEARCH INSTITUTE due?
- The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did MENTAL RESEARCH INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of MENTAL RESEARCH INSTITUTE?
- The 990-PF for the year ended December 31, 2025 lists 5 people; 1 received compensation from the organization, the highest $85,208 (SOPHIE SUBERVILLE, EXECUTIVE DIRECTOR).
- How much revenue does MENTAL RESEARCH INSTITUTE have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $537,330, expenses of $799,235 and total assets of $11,256,580 at year end.
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