Nonprofit · EIN 74-3071480
MOSI FOUNDATION
Tax-exempt · BRYN MAWR, PA 19010
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $399,118 | $917,417 | -$518,299 | $3,113,437 | $0 | $3,113,437 |
| December 31, 2024 | 990-PF | $507,378 | $690,768 | -$183,390 | $3,286,108 | $0 | $3,286,108 |
| December 31, 2023 | 990-PF | $649,743 | $707,170 | -$57,427 | $2,769,423 | $0 | $2,769,423 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $307,656
- Dividends
- $122,093
- Interest
- $10,772
- Net gain from sales of assets
- $80,148
- Other income
- -$121,551
Expenses
- Grants and similar amounts paid
- $854,424
- Compensation of officers, directors and key employees
- $15,000
- Disbursements for charitable purposes
- $854,424
- Excise tax on investment income
- $604
Balance sheet and other
- Total assets, start of year
- $3,286,108
- Total assets, end of year
- $3,113,437
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,113,437
- Fair market value of assets
- $6,258,662
- Qualifying distributions
- $854,424
- Net investment income
- $91,462
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 |
|---|---|---|---|
| JANA L DE LEON 1204 LEMONTON COURT, GULPH MILLS, PA 19428 | SECRETARY | 7 | $5,000 |
| JENNIFER O'MALLEY 222 BERWIND ROAD, RADNOR, PA 19087 | TREASURER | 7 | $5,000 |
| KAREN M SCHMID 722 MONTGOMERY STREET 202, SAN FRANCISCO, CA 94111 | DIRECTOR | 7 | $5,000 |
| GERALD A ISOM 74 PASTURE LANE 114, BRYN MAWR, PA 19010 | PRESIDENT | 5 | $0 |
| EVELYN R ISOM 74 PASTURE LANE 114, BRYN MAWR, PA 19010 | VICE PRESIDENT | 5 | $0 |
990-PF for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JANA L DE LEON 1204 LEMONTON COURT, GULPH MILLS, PA 19428 | SECRETARY | 7 | $5,000 |
| JENNIFER O'MALLEY 222 BERWIND ROAD, RADNOR, PA 19087 | TREASURER | 7 | $5,000 |
| KAREN M SCHMID 722 MONTGOMERY STREET 202, SAN FRANCISCO, CA 94111 | DIRECTOR | 7 | $5,000 |
| GERALD A ISOM 74 PASTURE LANE 114, BRYN MAWR, PA 19010 | PRESIDENT | 5 | $0 |
| EVELYN R ISOM 74 PASTURE LANE 114, BRYN MAWR, PA 19010 | VICE PRESIDE | 5 | $0 |
990-PF for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JANA L DE LEON 1204 LEMONTON COURT, GULPH MILLS, PA 19428 | SECRETARY | 7 | $5,000 |
| JENNIFER O'MALLEY 222 BERWIND ROAD, RADNOR, PA 19087 | TREASURER | 7 | $5,000 |
| KAREN M SCHMID 722 MONTGOMERY STREET 202, SAN FRANCISCO, CA 94111 | DIRECTOR | 7 | $5,000 |
| GERALD A ISOM 74 PASTURE LANE 114, BRYN MAWR, PA 19010 | PRESIDENT | 5 | $0 |
| EVELYN R ISOM 74 PASTURE LANE 114, BRYN MAWR, PA 19010 | VICE PRESIDE | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 74 PASTURE LN APT 133, BRYN MAWR, PA 19010-1759
- In care of
- % GERALD A ISOM
- Signed the 990-PF
- GERALD A ISOM, PRESIDENT
- Phone
- (610) 397-1628
- Return prepared by
- BRINKER SIMPSON & COMPANY LLC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 74-3071480
- 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
- 2003
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T22)
- Assets (IRS master file)
- $3,113,437
- Income (IRS master file)
- $782,389
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $399,118 | $917,417 | $3,113,437 | XML |
| 990-PF | December 2024 | $507,378 | $690,768 | $3,286,108 | XML |
| 990-PF | December 2023 | $649,743 | $707,170 | $2,769,423 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | IRS |
| 990-PF | December 2017 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.
Questions about MOSI FOUNDATION
- What is the EIN of MOSI FOUNDATION?
- The employer identification number (EIN) of MOSI FOUNDATION is 74-3071480.
- Is MOSI FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
- Are donations to MOSI FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MOSI FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MOSI 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 MOSI FOUNDATION 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 MOSI FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 5 people; 3 received compensation from the organization, the highest $5,000 (JANA L DE LEON, SECRETARY).
- How much revenue does MOSI FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $399,118, expenses of $917,417 and total assets of $3,113,437 at year end.
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