Nonprofit · EIN 82-3708081
MARTA AND ROBERT ADELSON FAMILY FOUNDATION
Tax-exempt · MERION STA, PA 19066
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $12,770,380 | $215,885 | $12,554,495 | $10,356,355 | $0 | $10,356,355 |
| December 31, 2024 | 990-PF | $178,903 | $491,497 | -$312,594 | $2,922,068 | $0 | $2,922,068 |
| December 31, 2023 | 990-PF | $146,980 | $520,390 | -$373,410 | $3,234,662 | $0 | $3,234,662 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $6,557,234
- Dividends
- $64,222
- Interest
- $4,649
- Net gain from sales of assets
- $6,144,275
Expenses
- Grants and similar amounts paid
- $200,250
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $206,226
- Excise tax on investment income
- $86,254
Balance sheet and other
- Total assets, start of year
- $2,922,069
- Total assets, end of year
- $10,356,355
- Total liabilities, end of year
- $0
- Net assets, end of year
- $10,356,355
- Fair market value of assets
- $10,123,492
- Qualifying distributions
- $206,226
- Net investment income
- $6,213,145
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 |
|---|---|---|---|
| ROBERT S ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | PRESIDENT, TREASURER, DIRECTOR | 1 | $0 |
| MARTA ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | SECRETARY, DIRECTOR | 1 | $0 |
| CARLIN ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
| DANIEL ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
| LEAH ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ROBERT S ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | PRESIDENT, TREASURER, DIRECTOR | 1 | $0 |
| MARTA ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | SECRETARY, DIRECTOR | 1 | $0 |
| CARLIN ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
| DANIEL ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
| LEAH ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ROBERT S ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | PRESIDENT, TREASURER, DIRECTOR | 1 | $0 |
| MARTA ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | SECRETARY, DIRECTOR | 1 | $0 |
| CARLIN ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
| DANIEL ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
| LEAH ADELSON 402 ACADEMY CIRCLE, MERION STATION, PA 190661205 | DIRECTOR | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 402 ACADEMY CIR, MERION STA, PA 19066-1205
- In care of
- % FOUNDATION
- Signed the 990-PF
- ROBERT S ADELSON, PRESIDENT
- Phone
- (484) 434-2255
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
- 82-3708081
- 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
- 2019
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $10,356,355
- Income (IRS master file)
- $16,459,459
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $12,770,380 | $215,885 | $10,356,355 | IRS |
| 990-PF | December 2024 | $178,903 | $491,497 | $2,922,068 | IRS |
| 990-PF | December 2023 | $146,980 | $520,390 | $3,234,662 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 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 82-3708081).
Questions about MARTA AND ROBERT ADELSON FAMILY FOUNDATION
- What is the EIN of MARTA AND ROBERT ADELSON FAMILY FOUNDATION?
- The employer identification number (EIN) of MARTA AND ROBERT ADELSON FAMILY FOUNDATION is 82-3708081.
- Is MARTA AND ROBERT ADELSON FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
- Are donations to MARTA AND ROBERT ADELSON FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MARTA AND ROBERT ADELSON FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MARTA AND ROBERT ADELSON FAMILY 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 MARTA AND ROBERT ADELSON FAMILY 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 MARTA AND ROBERT ADELSON FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does MARTA AND ROBERT ADELSON FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $12,770,380, expenses of $215,885 and total assets of $10,356,355 at year end.
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