Private Foundation

THE SIFF EXKORN FAMILY FOUNDATION STABLE ROCK SERVICES LLC

Based in NEW YORK, NY, THE SIFF EXKORN FAMILY FOUNDATION STABLE ROCK SERVICES LLC operates as a Private Foundation. The organization reported $18K in revenue, $17K in expenses, $175K in total assets for fiscal year 2024. Imperigo tracks 91 reported grants from this foundation totaling approximately $134K.

EIN: 421612887 NEW YORK, NY Latest filing: 2024

Total Revenue$18K

Total Expenses$17K

Total Assets$175K

Grants Given91

Grant Total$134K

Filing Years2019–2024

Sample Grants Given

ALPINE LEARNING GROUP

PARAMUS, NJ · 2024

DONATION

$5,000

NEXT FOR AUTISM

NEW YORK, NY · 2024

DONATION

$3,000

AUTISM SCIENCE FOUNDATION

NEW YORK, NY · 2024

DONATION

$1,100

ORGANIZATION FOR AUTISM RESEARCH

ARLINGTON, VA · 2024

DONATION

$1,100

NYACK CENTER

NYACK, NY · 2024

DONATION

$500

Showing up to 5 of 91 total records — full history available with membership.

Officers & Directors

TRUSTEE AS N Franklin E Exkorn

TRUSTEE AS N Karen A Siff-Exkorn

TRUSTEE AS N Nathan Greenberg

TRUSTEE AS N Robert M Siff

TRUSTEE AS N Shirley S Siff

Officer compensation and complete director data available with membership.

Top Grant Purposes

DONATION

$132,136 90 grants

DONATIONS

$1,500 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2024	$18K	$17K	$175K
2023	$1K	$14K	$174K
2022	$9K	$21K	$191K
2020	$12K	$18K	$186K
2019	$12K	$26K	$192K

Between 2019 and 2024, reported annual revenue grew from $12K to $18K (+48%), with total assets most recently reported at $175K.

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

Grant Geography

Grants from this foundation were reported to recipients in CA, IL, LA, MA, MD, MI, and 4 other states.

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

See the full picture for THE SIFF EXKORN FAMILY FOUNDATION STABLE ROCK SERVICES LLC

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