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Nonprofit · EIN 27-0110398

DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION

Tax-exempt · SIOUX CITY, IA 51102

Financials

$98K$21K2022$38K$32K2023$45K$52K2024
Revenue Expenses · by fiscal year end
Financials of DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
November 30, 2025990-PF$44,847$52,007-$7,160$290,447$5$290,442
November 30, 2024990-PF$38,292$31,823$6,469$300,092$2,490$297,602
November 30, 2023990-PF$98,323$21,421$76,902$291,133$0$291,133
Financial details: 990-PF for the year ended November 30, 2025

Revenue

Dividends
$26,855
Net gain from sales of assets
$17,992

Expenses

Grants and similar amounts paid
$50,649
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$50,649
Excise tax on investment income
$604

Balance sheet and other

Total assets, start of year
$300,092
Total assets, end of year
$290,447
Total liabilities, end of year
$5
Net assets, end of year
$290,442
Fair market value of assets
$1,155,747
Qualifying distributions
$50,649
Net investment income
$44,847

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 November 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
BRENT ROSENTHAL
P O BOX 237, SIOUX CITY, IA 511020237
PRESIDENT AND SECRETARY0$0
DIANE ROSENTHAL
P O BOX 237, SIOUX CITY, IA 511020237
VICE-PRESIDENT & TREASURER0$0
990-PF for the year ended November 30, 2024: 2 people
NameTitleHours / weekCompensation
BRENT ROSENTHAL
23 ST GEORGE PLACE, PALM BEACH GARDENS, FL 33418
PRESIDENT AND SECRETARY0$0
DIANE ROSENTHAL
23 ST GEORGE PLACE, PALM BEACH GARDENS, FL 33418
VICE-PRESIDENT & TREASURER0$0
990-PF for the year ended November 30, 2023: 2 people
NameTitleHours / weekCompensation
BRENT ROSENTHAL
P O BOX 237, SIOUX CITY, IA 511020237
PRESIDENT AND SECRETARY0$0
DIANE ROSENTHAL
P O BOX 237, SIOUX CITY, IA 511020237
VICE-PRESIDENT & TREASURER0$0

Address and contacts

Address (IRS master file)
PO BOX 237, SIOUX CITY, IA 51102-0237
In care of
% BRENT ROSENTHAL
Signed the 990-PF
BRENT ROSENTHAL, PRESIDENT
Phone
(712) 255-7943
Return prepared by
DELPERDANG SCHUH & CO PC

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in November, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2024November 30, 2025April 15, 2026990-PF on file
2023November 30, 2024April 15, 2025990-PF on file
2022November 30, 2023April 15, 2024990-PF on file

IRS record

EIN
27-0110398
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
2005
Accounting year ends
November
Files
Form 990-PF
Assets (IRS master file)
$290,447
Income (IRS master file)
$67,704

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFNovember 2025$44,847$52,007$290,447XML
990-PFNovember 2024$38,292$31,823$300,092XML
990-PFNovember 2023$98,323$21,421$291,133XML
990-PFNovember 2022–––IRS
990-PFNovember 2021–––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 27-0110398).

Questions about DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION

What is the EIN of DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION?
The employer identification number (EIN) of DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION is 27-0110398.
Is DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
Are donations to DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION due?
The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended November 2025.
Who are the officers and directors of DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION?
The 990-PF for the year ended November 30, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does DIANE AND BRENT ROSENTHAL FAMILY FOUNDATION have?
On its 990-PF for the year ended November 30, 2025 it reported revenue of $44,847, expenses of $52,007 and total assets of $290,447 at year end.

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