Fiscal year ending 2024. Filed on November 10, 2025.
888 Boylston St 1010
Services
Boston, Massachusetts 02199
William S Kaiser Family Foundation (EIN: 26-3505536) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, William S Kaiser Family Foundation, a 501(c)(3) charitable organization, reported compensation for 2 employees. Among the employees shown here, the average compensation is $0.
Revenue
Expenses
Employee compensation
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