Nonprofit · EIN 22-6678640
LINDEN FOUNDATION INC
Tax-exempt · BOSTON, MA 02109
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $1,364,079 | $974,811 | $389,268 | $14,173,945 | $0 | $14,173,945 |
| December 31, 2024 | 990-PF | $1,064,601 | $954,891 | $109,710 | $13,254,772 | $0 | $13,254,772 |
| December 31, 2023 | 990-PF | $515,945 | $666,486 | -$150,541 | $12,419,316 | $0 | $12,419,316 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $212,413
- Interest
- $24,104
- Net gain from sales of assets
- $1,126,204
- Other income
- $1,358
Expenses
- Grants and similar amounts paid
- $845,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $880,494
- Excise tax on investment income
- $18,065
Balance sheet and other
- Total assets, start of year
- $13,254,772
- Total assets, end of year
- $14,173,945
- Total liabilities, end of year
- $0
- Net assets, end of year
- $14,173,945
- Fair market value of assets
- $14,173,945
- Qualifying distributions
- $880,494
- Net investment income
- $1,362,456
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 |
|---|---|---|---|
| MARGEN S KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | PRESIDENT/DIRECTOR | 2 | $0 |
| WILLIAM C KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | TREASURER/DIRECTOR | 2 | $0 |
| SUZANNE V A KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | SECRETARY/DIRECTOR | 2 | $0 |
| THOMAS V A KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR (UNTIL 10/29/25) | 2 | $0 |
| KENNETH V SIEGERT C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| MARK J PINE C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| LEA DOBBS KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
990-PF for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARGEN S KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | PRESIDENT/DIRECTOR | 2 | $0 |
| WILLIAM C KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | TREASURER/DIRECTOR | 2 | $0 |
| SUZANNE V A KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | SECRETARY/DIRECTOR | 2 | $0 |
| THOMAS V A KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| KENNETH V SIEGERT C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| MARK J PINE C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| LEA DOBBS KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
990-PF for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARGEN S KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | PRESIDENT/DIRECTOR | 2 | $0 |
| WILLIAM C KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | TREASURER/DIRECTOR | 2 | $0 |
| SUZANNE V A KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | SECRETARY/DIRECTOR | 2 | $0 |
| THOMAS V A KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| KENNETH V SIEGERT C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| MARK J PINE C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
| LEA DOBBS KELSEY C/O GMA FOUNDATIONS 2 LIBERTY, SQUARE, BOSTON, MA 02109 | DIRECTOR | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 2 LIBERTY SQ STE 500, BOSTON, MA 02109-4884
- In care of
- % GMA FOUNDATIONS
- Signed the 990-PF
- MARGEN KELSEY, PRESIDENT
- Phone
- (617) 426-7080
- Website
- WWW.LINDENFOUNDATION.ORG
- Return prepared by
- EAG NEW ENGLAND 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
- 22-6678640
- 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
- 1996
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T30Z)
- Assets (IRS master file)
- $14,173,945
- Income (IRS master file)
- $1,738,378
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $1,364,079 | $974,811 | $14,173,945 | XML |
| 990-PF | December 2024 | $1,064,601 | $954,891 | $13,254,772 | XML |
| 990-PF | December 2023 | $515,945 | $666,486 | $12,419,316 | 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 22-6678640).
Questions about LINDEN FOUNDATION INC
- What is the EIN of LINDEN FOUNDATION INC?
- The employer identification number (EIN) of LINDEN FOUNDATION INC is 22-6678640.
- Is LINDEN FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
- Are donations to LINDEN FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does LINDEN FOUNDATION INC file?
- Form 990-PF. Private foundations file every year.
- When is the next return of LINDEN FOUNDATION INC 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 LINDEN FOUNDATION INC 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 LINDEN FOUNDATION INC?
- The 990-PF for the year ended December 31, 2025 lists 7 people; 0 received compensation from the organization.
- How much revenue does LINDEN FOUNDATION INC have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $1,364,079, expenses of $974,811 and total assets of $14,173,945 at year end.
Other nonprofits in BOSTON
- BANK OF AMERICA CHARITABLE GIFT FUND EIN 04-6010342 · last filed 990 for 2024
- THE US CHARITABLE GIFT TRUST EIN 31-1663020 · last filed 990 for 2024
- BOSTON FOUNDATION INC EIN 04-2104021 · last filed 990 for 2025
- COMBINED JEWISH PHILANTHROPIES OF GREATER BOSTON INC EIN 04-2103559 · last filed 990 for 2025
- BNY MELLON CHARITABLE GIFT FUND EIN 30-0748315 · last filed 990 for 2024
- THE MELLEN CHARITABLE FOUNDATION INC EIN 85-3945419 · last filed 990-PF for 2024
- BARR FOUNDATION EIN 04-6579815 · last filed 990-PF for 2024
- JEREMY AND HANNELORE GRANTHAM ENVIRONMENTAL TRUST EIN 20-3959397 · last filed 990 for 2024
All nonprofits in BOSTON · Massachusetts · Philanthropy, voluntarism and grantmaking foundations