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Nonprofit · EIN 85-3863257

ENTEGRIS FOUNDATION INC

Tax-exempt · BILLERICA, MA 01821

Financials

$3.2M$698K2023$856K$698K2024$927K$586K2025
Revenue Expenses · by fiscal year end
Financials of ENTEGRIS FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$927,465$586,167$341,298$10,113,330$0$10,113,330
December 31, 2024990-PF$855,691$698,456$157,235$9,766,580$0$9,766,580
December 31, 2023990-PF$3,213,456$698,115$2,515,341$9,602,240$0$9,602,240
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$272,280
Net gain from sales of assets
$655,185

Expenses

Grants and similar amounts paid
$500,000
Disbursements for charitable purposes
$503,750
Excise tax on investment income
$11,896

Balance sheet and other

Total assets, start of year
$9,766,580
Total assets, end of year
$10,113,330
Total liabilities, end of year
$0
Net assets, end of year
$10,113,330
Fair market value of assets
$11,112,678
Qualifying distributions
$503,750
Net investment income
$927,465

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.

NameTitleHours / weekCompensation
BILL SEYMOUR
129 CONCORD ROAD BUILDING 2, BILLERICA, MA 01821
TREASURER1$0
SUE RICE
7 BUTTERCUP LANE, DOVER, MA 02030
PRESIDENT1$0
JOSEPH COLELLA
46 MURDOCK ST UNIT A, SOMERVILLE, MA 02145
DIRECTOR1$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
BILL SEYMOUR
129 CONCORD ROAD BUILDING 2, BILLERICA, MA 01821
TREASURER1$0
SUE RICE
7 BUTTERCUP LANE, DOVER, MA 02030
PRESIDENT1$0
JOSEPH COLELLA
46 MURDOCK ST UNIT A, SOMERVILLE, MA 02145
DIRECTOR1$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
BILL SEYMOUR
129 CONCORD ROAD BUILDING 2, BILLERICA, MA 01821
TREASURER1$0
SUE RICE
7 BUTTERCUP LANE, DOVER, MA 02030
PRESIDENT1$0
JOSEPH COLELLA
46 MURDOCK ST UNIT A, SOMERVILLE, MA 02145
DIRECTOR1$0

Address and contacts

Address (IRS master file)
129 CONCORD RD BLDG 2, BILLERICA, MA 01821-4615
In care of
% JOSEPH COLELLA CLERK
Signed the 990-PF
JOSEPH COLELLA, DIRECTOR
Phone
(844) 382-3122
Return prepared by
ERNST & YOUNG US LLP

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, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
85-3863257
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
2021
Accounting year ends
December
Files
Form 990-PF
Category (NTEE)
Human services (P20)
Assets (IRS master file)
$10,113,330
Income (IRS master file)
$4,160,619

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$927,465$586,167$10,113,330IRS
990-PFDecember 2024$855,691$698,456$9,766,580IRS
990-PFDecember 2023$3,213,456$698,115$9,602,240XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 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 85-3863257).

Questions about ENTEGRIS FOUNDATION INC

What is the EIN of ENTEGRIS FOUNDATION INC?
The employer identification number (EIN) of ENTEGRIS FOUNDATION INC is 85-3863257.
Is ENTEGRIS FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2021.
Are donations to ENTEGRIS FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does ENTEGRIS FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of ENTEGRIS 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 ENTEGRIS 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 ENTEGRIS FOUNDATION INC?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does ENTEGRIS FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $927,465, expenses of $586,167 and total assets of $10,113,330 at year end.

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