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Nonprofit · EIN 13-4151973

WILLEM DE KOONING FOUNDATION

Tax-exempt · NEW YORK, NY 10065

Financials

$2.3M$4.8M2022$1.3M$7.5M2023$4.1M$7.7M2024
Revenue Expenses · by fiscal year end
Financials of WILLEM DE KOONING FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990-PF$4,149,338$7,705,286-$3,555,948$73,886,658$0$73,886,658
June 30, 2024990-PF$1,259,199$7,477,852-$6,218,653$77,442,606$0$77,442,606
June 30, 2023990-PF$2,349,678$4,763,336-$2,413,658$83,668,529$0$83,668,529
Financial details: 990-PF for the year ended June 30, 2025

Revenue

Dividends
$899,077
Net gain from sales of assets
$3,197,106
Other income
$53,155

Expenses

Grants and similar amounts paid
$501,930
Compensation of officers, directors and key employees
$436,780
Salaries, compensation and benefits (total)
$888,687
Disbursements for charitable purposes
$7,511,760
Excise tax on investment income
$55,755

Balance sheet and other

Total assets, start of year
$77,442,606
Total assets, end of year
$73,886,658
Total liabilities, end of year
$0
Net assets, end of year
$73,886,658
Fair market value of assets
$412,455,197
Qualifying distributions
$7,511,760
Net investment income
$4,149,338

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
AMY SCHICHTEL
790 MADISON AVENUE, NEW YORK, NY 10065
EXECUTIVE DIRECTOR37$436,780$29,063
STEPHEN J MACK
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
CATALOGUE RAISONNE D
Highest-paid employee
36$160,466$24,904
D ROGER ANTHONY
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
SENIOR RESEARCHER
Highest-paid employee
21$158,147$24,565
MATTHEW D PYCH
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
BUSINESS AND HR ADMI
Highest-paid employee
33$131,029$23,204
RICHARD GOLDSTEIN
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
ARCHIVE ASSISTANT
Highest-paid employee
30$95,559$22,355
ELAYNE RUSH
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
REGISTRAR
Highest-paid employee
18$94,311$17,537
JOHN SILBERMAN
145 EAST 57TH STREET, NEW YORK, NY 10022
PRESIDENT/DIRECTOR2$0$0
DONN ZARETSKY
145 EAST 57TH STREET, NEW YORK, NY 10022
SECRETARY, TREAS, DIRECTOR1$0$0
RICHARD SHIFF
790 MADISON AVENUE, NEW YORK, NY 10065
VICE PRESIDENT1$0$0
990-PF for the year ended June 30, 2024: 9 people
NameTitleHours / weekCompensationOther / benefits
AMY SCHICHTEL
790 MADISON AVENUE, NEW YORK, NY 10065
EXECUTIVE DIRECTOR39$475,223$29,127
D ROGER ANTHONY
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
SENIOR RESEARCHER
Highest-paid employee
24$159,019$24,546
STEPHEN J MACK
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
CATALOGUE RAISONNE D
Highest-paid employee
31$143,330$23,099
MATTHEW D PYCH
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
BUSINESS AND HR ADMI
Highest-paid employee
31$127,509$22,807
HEIDI COLEMAN
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
ARCHIVIST
Highest-paid employee
33$120,383$22,771
ELAYNE RUSH
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
REGISTRAR
Highest-paid employee
20$113,093$22,067
JOHN SILBERMAN
145 EAST 57TH STREET, NEW YORK, NY 10022
PRESIDENT/DIRECTOR2$0$0
DONN ZARETSKY
145 EAST 57TH STREET, NEW YORK, NY 10022
SECRETARY, TREAS, DIRECTOR1$0$0
RICHARD SHIFF
790 MADISON AVENUE, NEW YORK, NY 10065
VICE PRESIDENT1$0$0
990-PF for the year ended June 30, 2023: 9 people
NameTitleHours / weekCompensationOther / benefits
AMY SCHICHTEL
790 MADISON AVENUE, NEW YORK, NY 10065
EXECUTIVE DIRECTOR33$313,220$23,587
D ROGER ANTHONY
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
SENIOR RESEARCHER
Highest-paid employee
24$189,434$23,647
STEPHEN J MACK
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
CATALOGUE RAISONNE D
Highest-paid employee
31$143,482$22,642
HEIDI COLEMAN
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
ARCHIVIST
Highest-paid employee
33$109,185$21,185
MATTHEW D PYCH
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
BUSINESS AND HR ADMI
Highest-paid employee
31$100,304$19,112
RICHARD GOLDSTEIN
790 MADISON AVENUE-STE 301, NEW YORK, NY 10065
ARCHIVE ASSISTANT
Highest-paid employee
32$78,450$20,506
JOHN SILBERMAN
145 EAST 57TH STREET, NEW YORK, NY 10022
PRESIDENT/DIRECTOR2$0$0
DONN ZARETSKY
145 EAST 57TH STREET, NEW YORK, NY 10022
SECRETARY, TREAS, DIRECTOR1$0$0
JOHN L EASTMAN CO-PRES TO AUG 2022
790 MADISON AVENUE, NEW YORK, NY 10065
CO-PRESIDENT/DIRECTOR2$0$0

Address and contacts

Address (IRS master file)
790 MADISON AVENUE, NEW YORK, NY 10065-6124
In care of
% KATHY BERNARD
Signed the 990-PF
JOHN SILBERMAN, PRESIDENT/DIRECTOR
Phone
(212) 794-3401
Return prepared by
CITRIN COOPERMAN ADVISORS 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 June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-PF on file
2023June 30, 2024November 15, 2024990-PF on file

IRS record

EIN
13-4151973
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
2001
Accounting year ends
June
Files
Form 990-PF
Assets (IRS master file)
$73,886,658
Income (IRS master file)
$19,161,996

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFJune 2025$4,149,338$7,705,286$73,886,658IRS
990-PFJune 2024$1,259,199$7,477,852$77,442,606IRS
990-PFJune 2023$2,349,678$4,763,336$83,668,529XML
990-PFJune 2022–––IRS
990-PFJune 2021–––IRS
990-PFJune 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 13-4151973).

Questions about WILLEM DE KOONING FOUNDATION

What is the EIN of WILLEM DE KOONING FOUNDATION?
The employer identification number (EIN) of WILLEM DE KOONING FOUNDATION is 13-4151973.
Is WILLEM DE KOONING FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to WILLEM DE KOONING FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
Which annual return does WILLEM DE KOONING FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of WILLEM DE KOONING FOUNDATION due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WILLEM DE KOONING FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended June 2025.
Who are the officers and directors of WILLEM DE KOONING FOUNDATION?
The 990-PF for the year ended June 30, 2025 lists 9 people; 6 received compensation from the organization, the highest $436,780 (AMY SCHICHTEL, EXECUTIVE DIRECTOR).
How much revenue does WILLEM DE KOONING FOUNDATION have?
On its 990-PF for the year ended June 30, 2025 it reported revenue of $4,149,338, expenses of $7,705,286 and total assets of $73,886,658 at year end.

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