Private Foundation

HINTERLONG FOUNDATION

HINTERLONG FOUNDATION is a private foundation categorized as Private Foundation based in ST CLAIR, MO. Its most recent IRS filing (2025) reports revenue of $18K, expenses of $9K, total assets of $1.5M. Imperigo tracks 19 reported grants from this foundation totaling approximately $117K.

EIN: 208038145 ST CLAIR, MO Latest filing: 2025

Total Revenue$18K

Total Expenses$9K

Total Assets$1.5M

Grants Given19

Grant Total$117K

Filing Years2021–2025

Sample Grants Given

ST ANN'S CHURCH

WASHINGTON, MO · 2024

GENERAL USE

$3,000

ST ANN'S CHURCH

WASHINGTON, MO · 2023

GENERAL USE

$8,000

ST ANN'S CHURCH

WASHINGTON, MO · 2023

GENERAL USE

$8,000

QUAILS FOREVER

ST PAUL, MN · 2023

GENERAL USE

$2,000

QUAILS FOREVER

ST PAUL, MN · 2023

GENERAL USE

$2,000

Showing up to 5 of 19 total records — full history available with membership.

Officers & Directors

President / Treasurer Martin Hinterlong

Secretary / Vice President Pamela Hinterlong

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL USE

$117,085 19 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$18K	$9K	$1.5M
2024	$13K	$19K	$1.4M
2023	$12K	$21K	$1.4M
2022	$23K	$28K	$1.4M
2021	$70K	$35K	$1.4M

Between 2021 and 2025, reported annual revenue declined from $70K to $18K (-74%), with total assets most recently reported at $1.5M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in FL, MN, MO.

FLMNMO

Full geographic grant map with state-by-state breakdown available with membership.

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Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports