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Nonprofit · EIN 91-2086157

CHESTERMAN FAMILY FOUNDATION

Tax-exempt · SIOUX CITY, IA 51106

Financials

$745K$754K2023$2.2M$487K2024$2.3M$636K2025
Revenue Expenses · by fiscal year end
Financials of CHESTERMAN FAMILY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$2,320,401$635,650$1,684,751$9,296,097$0$9,296,097
December 31, 2024990-PF$2,209,443$487,312$1,722,131$7,611,346$0$0
December 31, 2023990-PF$745,452$753,511-$8,059$5,889,214$0$5,889,215
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$653,346
Dividends
$358,651
Net gain from sales of assets
$1,293,380
Other income
$15,024

Expenses

Grants and similar amounts paid
$563,500
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$563,500
Excise tax on investment income
$22,215

Balance sheet and other

Total assets, start of year
$7,611,346
Total assets, end of year
$9,296,097
Total liabilities, end of year
$0
Net assets, end of year
$9,296,097
Fair market value of assets
$10,722,642
Qualifying distributions
$563,500
Net investment income
$1,654,055

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
Cy W Chesterman Sr
3270 South Shore Drive, Punta Gorda, FL 33955
Director - Time as needed0$0
Nancy C Smith
4375 Cold Springs Road, Indianapolis, IN 46228
Director - Time as needed0$0
Susan C Bergeson
76 Sunset Drive, Dakota Dunes, SD 57049
Director - Time as needed0$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
Cy W Chesterman Sr
3270 South Shore Drive, Punta Gorda, FL 33955
Director - Time as needed0$0
Nancy C Smith
4375 Cold Springs Road, Indianapolis, IN 46228
Director - Time as needed0$0
Susan C Bergeson
76 Sunset Drive, Dakota Dunes, SD 57049
Director - Time as needed0$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
Cy W Chesterman Sr
3270 South Shore Drive, Punta Gorda, FL 33955
Director - Time as needed0$0
Nancy C Smith
4375 Cold Springs Road, Indianapolis, IN 46228
Director - Time as needed0$0
Susan C Bergeson
76 Sunset Drive, Dakota Dunes, SD 57049
Director - Time as needed0$0

Address and contacts

Address (IRS master file)
4700 S LEWIS BLVD, SIOUX CITY, IA 51106-9516
In care of
% CY W CHESTERMAN SR
Signed the 990-PF
CY CHESTERMAN SR, DIRECTOR
Phone
(402) 252-2653
Return prepared by
Labenz & Associates 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
91-2086157
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
2001
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$9,296,097
Income (IRS master file)
$4,179,375

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$2,320,401$635,650$9,296,097IRS
990-PFDecember 2024$2,209,443$487,312$7,611,346IRS
990-PFDecember 2023$745,452$753,511$5,889,214XML
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 91-2086157).

Questions about CHESTERMAN FAMILY FOUNDATION

What is the EIN of CHESTERMAN FAMILY FOUNDATION?
The employer identification number (EIN) of CHESTERMAN FAMILY FOUNDATION is 91-2086157.
Is CHESTERMAN FAMILY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to CHESTERMAN FAMILY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does CHESTERMAN FAMILY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of CHESTERMAN FAMILY 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 CHESTERMAN FAMILY 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 CHESTERMAN FAMILY FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does CHESTERMAN FAMILY FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $2,320,401, expenses of $635,650 and total assets of $9,296,097 at year end.

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