William C Sonntag

Vice President at Slippery Rock Development Inc.

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

2024

Total compensation

William C Sonntag has been listed as an employee of Slippery Rock Development Inc. in Form 990 filings since at least fiscal year 2016.

Annual compensation details

Vice President

2024

Vice President

2023

Vice President

2022

Vice President

2021

President

2020

President

2019

President

2018

President

2017

President

2016

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January 25, 2026:

2024 Slippery Rock Development Inc. 990 published

January 25, 2026:

2023 Slippery Rock Development Inc. 990 published

January 25, 2026:

2022 Slippery Rock Development Inc. 990 published

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