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Nonprofit · EIN 13-7270729

ALEXANDER W CASDIN FOUNDATION

Also known as CASDIN ALEXANDER W TTEE

Tax-exempt · NEW YORK, NY 10065

Financials

$182K$165K2023$6K$26K2024$6K$6K2025
Revenue Expenses · by fiscal year end
Financials of ALEXANDER W CASDIN FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$5,980$6,060-$80$0$0$0
December 31, 2024990-PF$6,314$26,370-$20,056$80$0$80
December 31, 2023990-PF$181,911$165,130$16,781$20,136$0$20,136
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$5,980

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$3,070

Balance sheet and other

Total assets, start of year
$80
Total assets, end of year
$0
Total liabilities, end of year
$0
Net assets, end of year
$0
Qualifying distributions
$3,070

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
ALEXANDER CASDIN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
SUSAN BLOCK CASDIN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
NICHOLAS EISENMAN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
ALEXANDER CASDIN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
SUSAN BLOCK CASDIN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
NICHOLAS EISENMAN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
ALEXANDER CASDIN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
SUSAN BLOCK CASDIN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0
NICHOLAS EISENMAN
131 EAST 66TH STREET, NEW YORK, NY 10065
DIRECTOR0.25$0

Address and contacts

Address (IRS master file)
131 EAST 66TH STREET SUITE 10-D, NEW YORK, NY 10065-6147
In care of
% ALEXANDER CASDIN
Signed the 990-PF
ALEXANDER CASDIN, director
Phone
(917) 921-6220
Return prepared by
BDO USA

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
13-7270729
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
2002
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1
Income (IRS master file)
$5,980

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$5,980$6,060$0IRS
990-PFDecember 2024$6,314$26,370$80IRS
990-PFDecember 2023$181,911$165,130$20,136XML
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 13-7270729).

Questions about ALEXANDER W CASDIN FOUNDATION

What is the EIN of ALEXANDER W CASDIN FOUNDATION?
The employer identification number (EIN) of ALEXANDER W CASDIN FOUNDATION is 13-7270729.
Is ALEXANDER W CASDIN FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to ALEXANDER W CASDIN FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does ALEXANDER W CASDIN FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of ALEXANDER W CASDIN 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 ALEXANDER W CASDIN 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 ALEXANDER W CASDIN FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does ALEXANDER W CASDIN FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $5,980, expenses of $6,060 and total assets of $0 at year end.

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