Nonprofit · EIN 83-2048489
HYPOPARA RESEARCH FOUNDATION
Tax-exempt · SAN MATEO, CA 94402
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $0 | $12,725 | -$12,725 | $53,365 | $0 | $53,365 |
| December 31, 2024 | 990 | $3,000 | $99,490 | -$96,490 | $66,090 | $0 | $66,090 |
| December 31, 2023 | 990 | $210 | $3,850 | -$3,640 | $162,580 | $0 | $162,580 |
Financial details: 990 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
- Professional fundraising fees
- $0
- Legal fees
- $5,000
- Accounting fees
- $7,700
- Management and general (functional)
- $12,725
Balance sheet and other
- Total assets, start of year
- $66,090
- Total assets, end of year
- $53,365
- Total liabilities, end of year
- $0
- Net assets, end of year
- $53,365
- Gross receipts
- $0
- Employees
- 0
- Volunteers
- 3
- Year formed
- 2018
- State of legal domicile
- CA
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 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAMES H GREENE III | PRESIDENT, BOARD MEMBER Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2024: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAMES H GREENE III | PRESIDENT, BOARD MEMBER Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JAMES H GREENE III | PRESIDENT, BOARD MEMBER Trustee or director, Officer | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 155 BOVET RD STE 770, SAN MATEO, CA 94402-3153
- In care of
- % JAMES H GREENE III
- Principal officer (990 for 2025)
- JAMES GREENE, 155 BOVET ROAD SUITE 770, San Mateo, CA 94402
- Signed the 990
- JAMES GREENE, PRESIDENT
- Phone
- (650) 245-2596
- Return prepared by
- ERNST & YOUNG US LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 83-2048489 or by the name HYPOPARA RESEARCH FOUNDATION.
- 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
HRF'S MISSION IS TO FUND INNOVATIVE, COLLABORATIVE RESEARCH WITH THE NARROW AIM OF IMPROVING THE QUALITY OF LIFE FOR THOSE SUFFERING WITH HYPOPARATHYROIDISM AND ULTIMATELY CURING HYPOPARATHYROIDISM.
Program accomplishments
- Hypopara Research Foundation supports the development of transformative therapies that can be deployed across multiple rare diseases. In 2025, the Foundation continued to evaluate the use and disposition of its remaining assets in furtherance of its charitable mission in connection with a planned dissolution.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 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 83-2048489
- 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
- 2019
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Health care (E12)
- Assets (IRS master file)
- $53,365
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $0 | $12,725 | $53,365 | IRS |
| 990 | December 2024 | $3,000 | $99,490 | $66,090 | XML |
| 990 | December 2023 | $210 | $3,850 | $162,580 | XML |
| 990 | December 2022 | $67,732 | $33,428 | $166,220 | IRS |
| 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 83-2048489).
Questions about HYPOPARA RESEARCH FOUNDATION
- What is the EIN of HYPOPARA RESEARCH FOUNDATION?
- The employer identification number (EIN) of HYPOPARA RESEARCH FOUNDATION is 83-2048489.
- Is HYPOPARA RESEARCH FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
- Are donations to HYPOPARA RESEARCH FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does HYPOPARA RESEARCH FOUNDATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of HYPOPARA RESEARCH FOUNDATION 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 HYPOPARA RESEARCH FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of HYPOPARA RESEARCH FOUNDATION?
- The 990 for the year ended December 31, 2025 names JAMES GREENE.
- Who are the officers and directors of HYPOPARA RESEARCH FOUNDATION?
- The 990 for the year ended December 31, 2025 lists 1 person; 0 received compensation from the organization.
- How much revenue does HYPOPARA RESEARCH FOUNDATION have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $0, expenses of $12,725 and total assets of $53,365 at year end.
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