William Arnold

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

2024

Total compensation

William Arnold has been listed as an employee of Mainspring Foundation in Form 990 filings since fiscal year 2023.

Annual compensation details

Director

2024

Director

2023

2024

Other employees at Mainspring Foundation

Andrew Schlauch

Treasurer and Secretary and Director

President and Director

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2024

Employee

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Revisions to this profile

January 25, 2026:

2024 Mainspring Foundation 990 published

January 25, 2026:

2023 Mainspring Foundation 990 published

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