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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees The Siff Exkorn Family Foundation Stable Rock Services LLC Robert M Siff

Robert M Siff

Trustee As Needed at The Siff Exkorn Family Foundation Stable Rock Services LLC

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$0
2024

Total compensation

Robert M Siff has been listed as an employee of The Siff Exkorn Family Foundation Stable Rock Services LLC in Form 990 filings since at least fiscal year 2016.

Annual compensation details

$0
Trustee As Needed
2024
$0
Trustee As Needed
2023
$0
Trustee As Needed
2022
$0
Trustee As Needed
2021
$0
Trustee As Needed
2020
$0
Trustee As Needed
2019
$0
Trustee As Needed
2018
$0
Trustee As Needed
2017
$0
Trustee As Needed
2016

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Revisions to this profile

January 25, 2026:
2024 The Siff Exkorn Family Foundation Stable Rock Services LLC 990 published
January 25, 2026:
2023 The Siff Exkorn Family Foundation Stable Rock Services LLC 990 published
January 25, 2026:
2022 The Siff Exkorn Family Foundation Stable Rock Services LLC 990 published

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2024

Other employees at The Siff Exkorn Family Foundation Stable Rock Services LLC

Shirley S Siff
Trustee As Needed
$0
Franklin E Exkorn
Trustee As Needed
$0
Nathan Greenberg
Trustee As Needed
$0
Karen A Siff-Exkorn
Trustee As Needed
$0

Other people named Robert M Siff

2024
Employee
Robert M Siff
Siff Charitable Foundation
$0
Employee
Robert M Siff
Lawrence a & Joan E Siff Foundation F/K/a Lawrence a Siff Foundation
$0