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Nonprofit · EIN 42-1453781

DONALD F & CHARLENE K LAMBERTI FOUNDATION

Tax-exempt · ANKENY, IA 50021

Financials

$1.4M$891K2022$1.4M$975K2023$5.2M$6.8M2024
Revenue Expenses · by fiscal year end
Financials of DONALD F & CHARLENE K LAMBERTI FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
July 31, 2025990-PF$5,224,131$6,800,933-$1,576,802$9,018,958$0$9,018,958
July 31, 2024990-PF$1,380,963$974,555$406,408$10,595,760$0$10,595,760
July 31, 2023990-PF$1,436,681$891,131$545,550$10,189,352$0$10,189,352
Financial details: 990-PF for the year ended July 31, 2025

Revenue

Dividends
$262,673
Interest
$110,540
Net gain from sales of assets
$4,821,083
Other income
$29,835

Expenses

Grants and similar amounts paid
$6,731,200
Disbursements for charitable purposes
$6,731,200
Excise tax on investment income
$71,655

Balance sheet and other

Total assets, start of year
$10,595,760
Total assets, end of year
$9,018,958
Total liabilities, end of year
$0
Net assets, end of year
$9,018,958
Fair market value of assets
$25,783,880
Qualifying distributions
$6,731,200
Net investment income
$5,194,296

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 July 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
JEFFREY M LAMBERTI
210 N E DELAWARE AVE STE 200, ANKENY, IA 50021
President1$0
KIMBERLI K LAMBERTI PITTS
6227 NE GRANT LANE, ANKENY, IA 50021
Secy/Treas1$0
990-PF for the year ended July 31, 2024: 2 people
NameTitleHours / weekCompensation
JEFFREY M LAMBERTI
210 N E DELAWARE AVE STE 200, ANKENY, IA 50021
President1$0
KIMBERLI K LAMBERTI PITTS
6227 NE GRANT LANE, ANKENY, IA 50021
Secy/Treas1$0
990-PF for the year ended July 31, 2023: 2 people
NameTitleHours / weekCompensation
JEFFREY M LAMBERTI
210 N E DELAWARE AVE STE 200, ANKENY, IA 50021
President1$0
KIMBERLI K LAMBERTI PITTS
13302 N E 96TH ST, MAXWELL, IA 50161
Secy/Treas1$0

Address and contacts

Address (IRS master file)
210 NE DELAWARE AVE STE 200, ANKENY, IA 50021-6714
In care of
% MARK W BEERMAN
Signed the 990-PF
JEFFREY M LAMBERTI, President
Phone
(515) 964-8777
Return prepared by
SHULL SCHRUM MCCLAFLIN & CO INC

What it must file and when

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

Tax yearYear endedDueIRS public records
2025July 31, 2026December 15, 2026Not due yet
2024July 31, 2025December 15, 2025990-PF on file
2023July 31, 2024December 16, 2024990-PF on file

IRS record

EIN
42-1453781
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
1996
Accounting year ends
July
Files
Form 990-PF
Assets (IRS master file)
$9,018,958
Income (IRS master file)
$6,517,276

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFJuly 2025$5,224,131$6,800,933$9,018,958XML
990-PFJuly 2024$1,380,963$974,555$10,595,760XML
990-PFJuly 2023$1,436,681$891,131$10,189,352XML
990-PFJuly 2022–––IRS
990-PFJuly 2021–––IRS
990-PFJuly 2019–––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 42-1453781).

Questions about DONALD F & CHARLENE K LAMBERTI FOUNDATION

What is the EIN of DONALD F & CHARLENE K LAMBERTI FOUNDATION?
The employer identification number (EIN) of DONALD F & CHARLENE K LAMBERTI FOUNDATION is 42-1453781.
Is DONALD F & CHARLENE K LAMBERTI FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to DONALD F & CHARLENE K LAMBERTI FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does DONALD F & CHARLENE K LAMBERTI FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of DONALD F & CHARLENE K LAMBERTI FOUNDATION due?
The return for tax year 2025 (the year ending July 31, 2026) is due December 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did DONALD F & CHARLENE K LAMBERTI FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended July 2025.
Who are the officers and directors of DONALD F & CHARLENE K LAMBERTI FOUNDATION?
The 990-PF for the year ended July 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does DONALD F & CHARLENE K LAMBERTI FOUNDATION have?
On its 990-PF for the year ended July 31, 2025 it reported revenue of $5,224,131, expenses of $6,800,933 and total assets of $9,018,958 at year end.

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