Nonprofit · EIN 80-0157429
THE MOOSEMOSS FOUNDATION
Tax-exempt · BOSTON, MA 02108
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $515,336 | $213,073 | $302,263 | $3,078,119 | $0 | $3,078,119 |
| December 31, 2024 | 990-PF | $326,471 | $159,637 | $166,834 | $2,775,714 | $0 | $2,775,714 |
| December 31, 2023 | 990-PF | $298,664 | $203,252 | $95,412 | $2,605,939 | $0 | $2,605,939 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $24,831
- Dividends
- $68,501
- Interest
- $33,648
- Net gain from sales of assets
- $388,356
Expenses
- Grants and similar amounts paid
- $182,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $205,970
- Excise tax on investment income
- $6,719
Balance sheet and other
- Total assets, start of year
- $2,775,714
- Total assets, end of year
- $3,078,119
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,078,119
- Fair market value of assets
- $4,073,582
- Qualifying distributions
- $205,970
- Net investment income
- $490,505
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 |
|---|---|---|---|
| ALICE N WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| BRADFORD S WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| RICHARD L WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| DAVID H WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| KATHARINE F WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| HOWARD B WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ALICE N WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| BRADFORD S WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| RICHARD L WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| DAVID H WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| KATHARINE F WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| HOWARD B WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
990-PF for the year ended December 31, 2023: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ALICE N WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| BRADFORD S WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| RICHARD L WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| DAVID H WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| KATHARINE F WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
| HOWARD B WELLMAN C/O ACADIA MGMT 45 SCHOOL STREET, STE 402, BOSTON, MA 02108 | TRUSTEE | 1 | $0 |
Address and contacts
- Address (IRS master file)
- ACADIA MGMT 45 SCHOOL STREE STE, BOSTON, MA 02108-0000
- In care of
- % ACADIA MANAGEMENT CO INC
- Signed the 990-PF
- RICHARD L WELLMAN, TRUSTEE
- Phone
- (617) 426-5755
- Return prepared by
- ACADIA MANAGEMENT COMPANY INC
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
- 80-0157429
- 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
- 2008
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $3,078,119
- Income (IRS master file)
- $1,261,328
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $515,336 | $213,073 | $3,078,119 | IRS |
| 990-PF | December 2024 | $326,471 | $159,637 | $2,775,714 | IRS |
| 990-PF | December 2023 | $298,664 | $203,252 | $2,605,939 | 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 80-0157429).
Questions about THE MOOSEMOSS FOUNDATION
- What is the EIN of THE MOOSEMOSS FOUNDATION?
- The employer identification number (EIN) of THE MOOSEMOSS FOUNDATION is 80-0157429.
- Is THE MOOSEMOSS FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
- Are donations to THE MOOSEMOSS FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does THE MOOSEMOSS FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of THE MOOSEMOSS 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 THE MOOSEMOSS 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 THE MOOSEMOSS FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does THE MOOSEMOSS FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $515,336, expenses of $213,073 and total assets of $3,078,119 at year end.
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