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Nonprofit · EIN 13-3746731

CHRISTY AND JOHN MACK FOUNDATION

Tax-exempt · PURCHASE, NY 10577

Financials

$7.2M$3.7M2023$7.2M$5.1M2024$9.4M$3.9M2025
Revenue Expenses · by fiscal year end
Financials of CHRISTY AND JOHN MACK FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$9,355,603$3,891,734$5,463,869$2,272,270$0$2,272,270
December 31, 2024990-PF$7,152,411$5,070,672$2,081,739$2,377,337$0$2,377,337
December 31, 2023990-PF$7,187,008$3,726,538$3,460,470$2,614,335$0$2,614,335
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$6,001,094
Dividends
$58,989
Net gain from sales of assets
$3,295,520

Expenses

Grants and similar amounts paid
$3,882,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$3,886,866
Excise tax on investment income
$46,560

Balance sheet and other

Total assets, start of year
$2,377,337
Total assets, end of year
$2,272,270
Total liabilities, end of year
$0
Net assets, end of year
$2,272,270
Fair market value of assets
$18,924,606
Qualifying distributions
$3,886,866
Net investment income
$3,354,509

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
JOHN J MACK
PO BOX 99, PURCHASE, NY 10577
DIRECTOR1$0
CHRISTY K MACK
PO BOX 99, PURCHASE, NY 10577
PRESIDENT2$0
990-PF for the year ended December 31, 2024: 2 people
NameTitleHours / weekCompensation
JOHN J MACK
PO BOX 99, PURCHASE, NY 10577
DIRECTOR1$0
CHRISTY K MACK
PO BOX 99, PURCHASE, NY 10577
PRESIDENT2$0
990-PF for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensation
JOHN J MACK
6 CLUB ROAD, RYE, NY 10580
DIRECTOR1$0
CHRISTY K MACK
6 CLUB ROAD, RYE, NY 10580
PRESIDENT2$0

Address and contacts

Address (IRS master file)
PO BOX 99, PURCHASE, NY 10577-0099
In care of
% CHRISTY MACK
Signed the 990-PF
CHRISTY K MACK, PRESIDENT
Phone
(914) 925-0229
Return prepared by
ANDERSEN TAX 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, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
13-3746731
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
1994
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$2,272,270
Income (IRS master file)
$9,439,676

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$9,355,603$3,891,734$2,272,270IRS
990-PFDecember 2024$7,152,411$5,070,672$2,377,337XML
990-PFDecember 2023$7,187,008$3,726,538$2,614,335XML
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 13-3746731).

Questions about CHRISTY AND JOHN MACK FOUNDATION

What is the EIN of CHRISTY AND JOHN MACK FOUNDATION?
The employer identification number (EIN) of CHRISTY AND JOHN MACK FOUNDATION is 13-3746731.
Is CHRISTY AND JOHN MACK FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
Are donations to CHRISTY AND JOHN MACK FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does CHRISTY AND JOHN MACK FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of CHRISTY AND JOHN MACK 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 CHRISTY AND JOHN MACK 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 CHRISTY AND JOHN MACK FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does CHRISTY AND JOHN MACK FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $9,355,603, expenses of $3,891,734 and total assets of $2,272,270 at year end.

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