William a Siekman Foundation's annual revenue was $180K in tax year 2025, reported on their IRS Form 990. They spent $154K in total expenses.
William a Siekman Foundation spent $154K in tax year 2025, according to their IRS Form 990 filing.
William a Siekman Foundation had net assets of $2.1M as of the end of tax year 2025.
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