Nonprofit · EIN 25-6002036
J S MACK FOUNDATION
Tax-exempt · INDIANA, PA 15701
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $389,003 | $91,100 | $297,903 | $4,623,862 | $0 | $4,623,862 |
| December 31, 2024 | 990-PF | $2,757,605 | $196,524 | $2,561,081 | $5,834,545 | $0 | $5,834,545 |
| December 31, 2023 | 990-PF | $120,554 | $264,350 | -$143,796 | $1,675,420 | $77,075 | $1,598,345 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Interest
- $389,003
Expenses
- Grants and similar amounts paid
- $65,750
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $75,390
- Excise tax on investment income
- $5,189
Balance sheet and other
- Total assets, start of year
- $5,834,545
- Total assets, end of year
- $4,623,862
- Total liabilities, end of year
- $0
- Net assets, end of year
- $4,623,862
- Fair market value of assets
- $4,623,862
- Qualifying distributions
- $75,390
- Net investment income
- $389,003
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 |
|---|---|---|---|
| JONATHAN MACK 125 TIMBERSPRINGS DRIVE, INDIANA, PA 15701 | PRESIDENT | 5 | $0 |
| GREGORY HOLSINGER 86 MERRICK STREET, INDIANA, PA 15701 | SEC/TREAS | 1 | $0 |
| DAVID MOORE 147 POND STREET, INDIANA, PA 15701 | TRUSTEE | 1 | $0 |
| MIKE CLARK 327 HERITAGE RUN ROAD, INDIANA, PA 15701 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JONATHAN MACK 125 TIMBERSPRINGS DRIVE, INDIANA, PA 15701 | PRESIDENT | 5 | $0 |
| GREGORY HOLSINGER 86 MERRICK STREET, INDIANA, PA 15701 | SEC/TREAS | 1 | $0 |
| DAVID MOORE 147 POND STREET, INDIANA, PA 15701 | TRUSTEE | 1 | $0 |
| WILLIAM SIMMONS 291 LOCUST STREET, INDIANA, PA 15701 | TRUSTEE | 1 | $0 |
| MIKE CLARK 327 HERITAGE RUN ROAD, INDIANA, PA 15701 | TRUSTEE | 1 | $0 |
| ROBERT POLLOCK 1190 WATER STREET, INDIANA, PA 15701 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JONATHAN MACK 156 TIMBERSPRINGS DRIVE, INDIANA, PA 15701 | PRESIDENT | 5 | $0 |
| GREGORY HOLSINGER 86 MERRICK ST, INDIANA, PA 15701 | SEC/TREAS | 0.25 | $0 |
| DAVID MOORE 147 POND STREET, INDIANA, PA 15701 | TRUSTEE | 0.25 | $0 |
| WILLIAM SIMMONS 291 LOCUST STREET, INDIANA, PA 15701 | TRUSTEE | 0.1 | $0 |
| MICHAEL CLARK 327 HERITAGE RUN ROAD, INDIANA, PA 15701 | TRUSTEE | 0.1 | $0 |
| ROBERT POLLOCK 1190 WATER STREET, INDIANA, PA 15701 | TRUSTEE | 0.1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 34, INDIANA, PA 15701-0034
- Signed the 990-PF
- JONATHAN MACK, PRESIDENT
- Phone
- (724) 422-7269
- Return prepared by
- SMITH LEWIS CHESS COMPANY
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
- 25-6002036
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private operating foundation
- Donations deductible (Pub 78)
- Private operating foundation, 50% limit
- Exempt since
- 1942
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T23)
- Assets (IRS master file)
- $4,623,862
- Income (IRS master file)
- $389,003
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $389,003 | $91,100 | $4,623,862 | XML |
| 990-PF | December 2024 | $2,757,605 | $196,524 | $5,834,545 | IRS |
| 990-PF | December 2023 | $120,554 | $264,350 | $1,675,420 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | 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 25-6002036).
Questions about J S MACK FOUNDATION
- What is the EIN of J S MACK FOUNDATION?
- The employer identification number (EIN) of J S MACK FOUNDATION is 25-6002036.
- Is J S MACK FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1942.
- Are donations to J S MACK FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
- Which annual return does J S MACK FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of J S MACK 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 J S MACK 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 J S MACK FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does J S MACK FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $389,003, expenses of $91,100 and total assets of $4,623,862 at year end.
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