Nonprofit · EIN 04-3424945
BIBER FOUNDATION
Also known as BUTTERWORTH GEORGE W III TTEE
Tax-exempt · BOSTON, MA 02210
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| March 31, 2026 | 990-PF | $147,665 | $347,803 | -$200,138 | $3,724,641 | $0 | $3,724,641 |
| March 31, 2025 | 990-PF | $469,822 | $464,025 | $5,797 | $3,924,423 | $0 | $3,924,423 |
| March 31, 2024 | 990-PF | $645,268 | $473,457 | $171,811 | $3,917,678 | $0 | $3,917,678 |
Financial details: 990-PF for the year ended March 31, 2026
Revenue
- Dividends
- $147,392
- Net gain from sales of assets
- $273
Expenses
- Grants and similar amounts paid
- $230,000
- Compensation of officers, directors and key employees
- $110,848
- Disbursements for charitable purposes
- $285,424
- Excise tax on investment income
- $1,241
Balance sheet and other
- Total assets, start of year
- $3,924,423
- Total assets, end of year
- $3,724,641
- Total liabilities, end of year
- $0
- Net assets, end of year
- $3,724,641
- Fair market value of assets
- $6,433,243
- Qualifying distributions
- $285,424
- Net investment income
- $146,571
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 March 31, 2026, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SUSAN L ABBOTT 100 NORTHERN AVE, BOSTON, MA 02110 | CO-TRUSTEE | 1 | $56,958 |
| JAMES M HALEPIS 254 COMMERCIAL ST STE 245, PORTLAND, ME 041014899 | CO-TRUSTEE | 1 | $26,945 |
| W ALAN HARDING 323 HANES HILL ROAD, WOLFSBORO, NH 03894 | CO-TRUSTEE | 1 | $26,945 |
990-PF for the year ended March 31, 2025: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SUSAN L ABBOTT 100 NORTHERN AVE, BOSTON, MA 02110 | CO-TRUSTEE | 1 | $50,513 |
| JAMES M HALEPIS 30 TRUNDY ROAD, CAPE ELIZABETH, ME 04108 | CO-TRUSTEE | 1 | $34,237 |
| W ALAN HARDING 323 HANES HILL ROAD, WOLFSBORO, NH 03894 | CO-TRUSTEE | 1 | $34,237 |
990-PF for the year ended March 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SUSAN L ABBOTT 100 NORTHERN AVE, BOSTON, MA 02110 | CO-TRUSTEE | 1 | $43,442 |
| JAMES M HALEPIS 30 TRUNDY ROAD, CAPE ELIZABETH, ME 04108 | CO-TRUSTEE | 1 | $10,070 |
| W ALAN HARDING 323 HANES HILL ROAD, WOLFSBORO, NH 03894 | CO-TRUSTEE | 1 | $10,070 |
Address and contacts
- Address (IRS master file)
- GOODWIN 100 NORTHERN AVENUE, BOSTON, MA 02210-0000
- In care of
- % STATE STREET BANK & TRUST
- Signed the 990-PF
- SUSAN L ABBOTT, TRUSTEE
- Phone
- (617) 570-1787
- Return prepared by
- FIDUCIARY TAX RESOURCES 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 March, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | March 31, 2026 | August 17, 2026 | 990-PF on file |
| 2024 | March 31, 2025 | August 15, 2025 | 990-PF on file |
| 2023 | March 31, 2024 | August 15, 2024 | 990-PF on file |
IRS record
- EIN
- 04-3424945
- 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
- 1998
- Accounting year ends
- March
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20Z)
- Assets (IRS master file)
- $3,724,641
- Income (IRS master file)
- $797,392
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | March 2026 | $147,665 | $347,803 | $3,724,641 | XML |
| 990-PF | March 2025 | $469,822 | $464,025 | $3,924,423 | XML |
| 990-PF | March 2024 | $645,268 | $473,457 | $3,917,678 | XML |
| 990-PF | March 2023 | – | – | – | IRS |
| 990-PF | March 2022 | – | – | – | IRS |
| 990-PF | March 2021 | – | – | – | IRS |
| 990-PF | March 2019 | – | – | – | 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 04-3424945).
Questions about BIBER FOUNDATION
- What is the EIN of BIBER FOUNDATION?
- The employer identification number (EIN) of BIBER FOUNDATION is 04-3424945.
- Is BIBER FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
- Are donations to BIBER FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does BIBER FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of BIBER FOUNDATION due?
- The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did BIBER FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended March 2026.
- Who are the officers and directors of BIBER FOUNDATION?
- The 990-PF for the year ended March 31, 2026 lists 3 people; 3 received compensation from the organization, the highest $56,958 (SUSAN L ABBOTT, CO-TRUSTEE).
- How much revenue does BIBER FOUNDATION have?
- On its 990-PF for the year ended March 31, 2026 it reported revenue of $147,665, expenses of $347,803 and total assets of $3,724,641 at year end.
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All nonprofits in BOSTON · Massachusetts · Philanthropy, voluntarism and grantmaking foundations