The Mousetrap Foundation C/O Sterling Foundation Management LLC
Historical funder research: IRS Form 990-PF filings from US private foundations, showing who funded what in past years. This is not a list of currently open grant calls, and we do not track open RFPs from private foundations. From public IRS Form 990-PF filings (latest on file for this funder: tax year 2024). Coverage: tax years 2019–2025. Freshness: the IRS releases these returns 1.5–2+ years after the tax year ends, so 2025 is still partial and a funder's newest grants may not appear yet. Last updated: November 14, 2026. Filings can contain errors, so confirm current priorities and deadlines with the funder before applying.
Year 2025 is still partial because many returns have not been filed or released yet. That is a freshness issue — coverage in our dataset is tax years 2019–2025.
Only 41.2% of this funder's organizational grants could be linked to an IRS cause code.
- Form & materials
- NONE PRESCRIBED
- Deadlines
- NONE
- Restrictions
- RECOGNIZED SECTION 501(C)(3) CHARITABLE ORGANIZATIONS ONLY
| Recipient | Location | Purpose (as filed) | Amount | Tax yr |
|---|---|---|---|---|
| Howard University | Washington, DC | GENERAL SUPPORT | $220,946 | 2024 |
| Stanford Law School | Stanford, CA | GENERAL SUPPORT | $200,000 | 2024 |
| Georgetown University Law Center | Washington, DC | GENERAL SUPPORT | $150,000 | 2024 |
| Piedmont Environmental Council | Warrenton, VA | GENERAL SUPPORT | $125,000 | 2024 |
| Ayuda Inc | Washington, DC | GENERAL SUPPORT | $125,000 | 2024 |
| National Museum | Washington, DC | GENERAL SUPPORT | $100,000 | 2024 |
| Best Buddies | Falls Church, VA | GENERAL SUPPORT | $100,000 | 2024 |
| The Fauquier Free Clinic | Warrenton, VA | GENERAL SUPPORT | $100,000 | 2024 |
| Ford's Theatre | Washington, DC | GENERAL SUPPORT | $60,000 | 2024 |
| University of Michigan | Ann Arbor, MI | GENERAL SUPPORT | $50,000 | 2024 |
| University of Virginia | Charlottesville, VA | GENERAL SUPPORT | $50,000 | 2024 |
| Glacier National Park Conservancy | Columbia Falls, MT | GENERAL SUPPORT | $50,000 | 2024 |
| Fenwick Foundation | Arlington, VA | GENERAL SUPPORT | $50,000 | 2024 |
| Carroll Child Care | Westminster, MD | GENERAL SUPPORT | $25,000 | 2024 |
| Westminster Presbyterian Church | Chehalis, WA | GENERAL SUPPORT | $20,000 | 2024 |
| The Chehalis Foundation | Chehalis, WA | GENERAL SUPPORT | $5,000 | 2024 |
| Howard University | Washington, DC | GENERAL SUPPORT | $210,899 | 2023 |
| Stanford Law School | Stanford, CA | GENERAL SUPPORT | $200,000 | 2023 |
| American Nutrition Association | Chicago, IL | GENERAL SUPPORT | $200,000 | 2023 |
| Repro Rising Virginia | Alexandria, VA | GENERAL SUPPORT | $175,000 | 2023 |
| Georgetown University Law Center | Washington, DC | GENERAL SUPPORT | $150,000 | 2023 |
| Piedmont Environmental Council | Warrenton, VA | GENERAL SUPPORT | $125,000 | 2023 |
| Ayuda Inc | Washington, DC | GENERAL SUPPORT | $125,000 | 2023 |
| The Fauquier Free Clinic | Warrenton, VA | GENERAL SUPPORT | $100,000 | 2023 |
| Virginia Public Access Project | Richmond, VA | GENERAL SUPPORT | $50,000 | 2023 |
Grants to individuals are counted but not named.
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