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Nonprofit · EIN 82-3729527

ALVARIUM FOUNDATION

Tax-exempt · NEEDHAM, MA 02492

Financials

$2M$994K2023$2.3M$1.4M2024
Revenue Expenses · by fiscal year end
Financials of ALVARIUM FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990-PF$2,250,976$1,444,712$806,264$13,364,271$2,530,315$10,833,956
December 31, 2023990-PF$1,998,807$994,449$1,004,358$12,300,917$2,273,225$10,027,692
Financial details: 990-PF for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$1,499,994
Dividends
$220,551
Interest
$4,229
Net gain from sales of assets
$525,883
Other income
$319

Expenses

Grants and similar amounts paid
$1,268,525
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$1,268,525
Excise tax on investment income
$14,696

Balance sheet and other

Total assets, start of year
$12,300,917
Total assets, end of year
$13,364,271
Total liabilities, end of year
$2,530,315
Net assets, end of year
$10,833,956
Fair market value of assets
$14,671,123
Qualifying distributions
$1,268,525
Net investment income
$1,178,529

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, 2024, highest compensation first.

NameTitleHours / weekCompensation
JAMES C MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
JUSTINE M MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
NATHANIEL J MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
ELIZABETH A MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
JARED D MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
ANNA C MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
990-PF for the year ended December 31, 2023: 6 people
NameTitleHours / weekCompensation
JAMES C MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
JUSTINE M MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
NATHANIEL J MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
ELIZABETH A MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
JARED D MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0
ANNA C MULLEN
636 CHARLES RIVER STRRET, NEEDHAM, MA 02492
TRUSTEE1$0

Address and contacts

Address (IRS master file)
636 CHARLES RIVER ST, NEEDHAM, MA 02492-1028
Signed the 990-PF
JAMES C MULLEN, TRUSTEE
Phone
(781) 431-1474
Return prepared by
PKF O'CONNOR DAVIES ADVISORY 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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
82-3729527
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
2018
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$13,364,271
Income (IRS master file)
$4,793,755

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2024$2,250,976$1,444,712$13,364,271IRS
990-PFDecember 2023$1,998,807$994,449$12,300,917XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 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 82-3729527).

Questions about ALVARIUM FOUNDATION

What is the EIN of ALVARIUM FOUNDATION?
The employer identification number (EIN) of ALVARIUM FOUNDATION is 82-3729527.
Is ALVARIUM FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2018.
Are donations to ALVARIUM FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does ALVARIUM FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of ALVARIUM FOUNDATION due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ALVARIUM FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2024.
Who are the officers and directors of ALVARIUM FOUNDATION?
The 990-PF for the year ended December 31, 2024 lists 6 people; 0 received compensation from the organization.
How much revenue does ALVARIUM FOUNDATION have?
On its 990-PF for the year ended December 31, 2024 it reported revenue of $2,250,976, expenses of $1,444,712 and total assets of $13,364,271 at year end.

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