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Nonprofit · EIN 43-1699657

MARGARET BLANKE GRIGG FOUNDATION

Tax-exempt · SAINT LOUIS, MO 63131

Financials

$265K$938K2023$570K$922K2024$1.6M$1.1M2025
Revenue Expenses · by fiscal year end
Financials of MARGARET BLANKE GRIGG FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$1,643,733$1,084,385$559,348$8,237,941$0$8,237,941
December 31, 2024990-PF$570,470$921,518-$351,048$7,678,593$0$7,678,593
December 31, 2023990-PF$265,279$937,674-$672,395$8,028,474$0$8,028,474
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$308,468
Interest
$5,716
Net gain from sales of assets
$1,328,781
Other income
$768

Expenses

Grants and similar amounts paid
$1,001,500
Disbursements for charitable purposes
$1,018,403
Excise tax on investment income
$21,790

Balance sheet and other

Total assets, start of year
$7,678,593
Total assets, end of year
$8,237,941
Total liabilities, end of year
$0
Net assets, end of year
$8,237,941
Fair market value of assets
$11,132,686
Qualifying distributions
$1,018,403
Net investment income
$1,643,733

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
Harry H Langenberg II
10860 Ladue Road, Saint Louis, MO 63141
President, Director0.5$0
Charles R Grigg
PO Box 807, Haverhill, MA 01831
Vice President, Director0.1$0
Eliot Grigg
6850 51st Avenue NE, Seattle, WA 98115
Vice President; Director0.1$0
Thomas E Venker Jr
7074 Edgeworth Drive, Orlando, FL 32819
Secretary, Director0.2$0
990-PF for the year ended December 31, 2024: 5 people
NameTitleHours / weekCompensation
William H Hobson
814 Audubon, Saint Louis, MO 63105
President, Director0.5$500
Thomas E Venker Jr
7074 Edgeworth Drive, Orlando, FL 32819
Secretary, Director0.2$500
Harry H Langenberg II
10860 Ladue Road, Saint Louis, MO 63141
Vice President, Treasurer, Director0.25$250
Charles R Grigg
PO Box 807, Haverhill, MA 01831
Vice President, Director0.1$0
Eliot Grigg
6850 51st Avenue NE, Seattle, WA 98115
Vice President; Director0.1$0
990-PF for the year ended December 31, 2023: 5 people
NameTitleHours / weekCompensation
William H Hobson
814 Audubon, Saint Louis, MO 63105
President, Director0.5$0
Charles R Grigg
PO Box 807, Haverhill, MA 01831
Vice President, Director0.1$0
Eliot Grigg
6850 51st Avenue NE, Seattle, WA 98115
Vice President; Director0.1$0
Harry H Langenberg II
10860 Ladue Road, Saint Louis, MO 63141
Vice President, Treasurer, Director0.25$0
Thomas E Venker Jr
7074 Edgeworth Drive, Orlando, FL 32819
Secretary, Director0.2$0

Address and contacts

Address (IRS master file)
903 S LINDBERGH BLVD, SAINT LOUIS, MO 63131-2933
In care of
% HARRY H LANGENBERG II
Signed the 990-PF
Harry H Langenberg II, President
Phone
(314) 991-4999
Return prepared by
Summers Compton Wells 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
43-1699657
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
1995
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$8,237,941
Income (IRS master file)
$4,389,547

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$1,643,733$1,084,385$8,237,941IRS
990-PFDecember 2024$570,470$921,518$7,678,593IRS
990-PFDecember 2023$265,279$937,674$8,028,474XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––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 43-1699657).

Questions about MARGARET BLANKE GRIGG FOUNDATION

What is the EIN of MARGARET BLANKE GRIGG FOUNDATION?
The employer identification number (EIN) of MARGARET BLANKE GRIGG FOUNDATION is 43-1699657.
Is MARGARET BLANKE GRIGG FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
Are donations to MARGARET BLANKE GRIGG FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MARGARET BLANKE GRIGG FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MARGARET BLANKE GRIGG 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 MARGARET BLANKE GRIGG 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 MARGARET BLANKE GRIGG FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does MARGARET BLANKE GRIGG FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $1,643,733, expenses of $1,084,385 and total assets of $8,237,941 at year end.

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