Fiscal year ending 2024. Filed on October 8, 2025.
Co Cc 50 Rockefeller Plaza
Plaza
New York, New York 10020
William a Haseltine Charitable Foundation (EIN: 13-4158761) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2024 IRS Form 990 filing, William a Haseltine Charitable Foundation, a 501(c)(3) charitable organization, reported compensation for 1 employee. Among the employees shown here, the average compensation is $0.
Revenue
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Employee compensation
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