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Nonprofit · EIN 45-1198742

MARTEN CHARITABLE FOUNDATION CORPORATION

Tax-exempt · CARMEL, IN 46032

Financials

$1.1M$63K2023$177K$51K2024$253K$4.6M2025
Revenue Expenses · by fiscal year end
Financials of MARTEN CHARITABLE FOUNDATION CORPORATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$252,889$4,552,455-$4,299,566$1,060,828$0$1,060,828
December 31, 2024990-PF$176,897$50,782$126,115$5,360,394$0$5,360,394
December 31, 2023990-PF$1,083,948$63,248$1,020,700$5,234,279$0$5,234,279
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$146,899
Net gain from sales of assets
$105,990

Expenses

Grants and similar amounts paid
$4,500,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$4,500,000
Excise tax on investment income
$2,786

Balance sheet and other

Total assets, start of year
$5,360,394
Total assets, end of year
$1,060,828
Total liabilities, end of year
$0
Net assets, end of year
$1,060,828
Fair market value of assets
$2,948,431
Qualifying distributions
$4,500,000
Net investment income
$252,889

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
VIRGINIA HUPFER
11960 OTTO LANE, CARMEL, IN 46032
VICE PRESIDENT0$0
JAMES W MARTEN
7341 CHESTER AVENUE, INDIANAPOLIS, IN 46240
PRESIDENT/TREASUEER0$0
DAVID K MARTEN
412 JOHNSON 1, SAUSILITO, CA 94965
SECRETARY0$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
VIRGINIA HUPFER
11960 OTTO LANE, CARMEL, IN 46032
VICE PRESIDENT0$0
JAMES W MARTEN
7341 CHESTER AVENUE, INDIANAPOLIS, IN 46240
PRESIDENT/TREASUEER0$0
DAVID K MARTEN
412 JOHNSON 1, SAUSILITO, CA 94965
SECRETARY0$0
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
VIRGINIA MARTEN
210 W 77TH STREET, INDIANAPOLIS, IN 46260
PRESIDENT0$0
VIRGINIA HUPFER
445 PINE DRIVE, INDIANAPOLIS, IN 46260
VICE PRESIDENT0$0
JAMES W MARTEN
7341 CHESTER AVENUE, INDIANAPOLIS, IN 46240
TREASURER0$0
DAVID K MARTEN
412 JOHNSON 1, SAUSILITO, CA 94965
SECRETARY0$0

Address and contacts

Address (IRS master file)
11960 OTTO LN, CARMEL, IN 46032-0075
Signed the 990-PF
VIRGINIA HUPFER, TRUSTEE
Phone
(317) 413-7336
Return prepared by
RICHARD E HENNESSEY

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
45-1198742
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
2011
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,060,828
Income (IRS master file)
$3,720,415

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$252,889$4,552,455$1,060,828IRS
990-PFDecember 2024$176,897$50,782$5,360,394XML
990-PFDecember 2023$1,083,948$63,248$5,234,279XML
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 45-1198742).

Questions about MARTEN CHARITABLE FOUNDATION CORPORATION

What is the EIN of MARTEN CHARITABLE FOUNDATION CORPORATION?
The employer identification number (EIN) of MARTEN CHARITABLE FOUNDATION CORPORATION is 45-1198742.
Is MARTEN CHARITABLE FOUNDATION CORPORATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2011.
Are donations to MARTEN CHARITABLE FOUNDATION CORPORATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MARTEN CHARITABLE FOUNDATION CORPORATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MARTEN CHARITABLE FOUNDATION CORPORATION 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 MARTEN CHARITABLE FOUNDATION CORPORATION 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 MARTEN CHARITABLE FOUNDATION CORPORATION?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does MARTEN CHARITABLE FOUNDATION CORPORATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $252,889, expenses of $4,552,455 and total assets of $1,060,828 at year end.

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