Siders Foundation

Overview

The IRS Exempt Organizations Business Master File snapshot retrieved on 2026-10-14 identifies Siders Foundation as a private grantmaking foundation exempt under Section 501(c)(3). Its Employer Identification Number is 42-1491968. Its reported mailing city is Johnston, Iowa, United States. For the tax period ending June 2025, the retained IRS record reports total assets of USD 55,459. Reported income for that tax period is USD 4,336. The reported NTEE classification code is T21. The IRS ruling year recorded in this snapshot is 1999. Original retained record: IRS Exempt Organizations Business Master File, eo2.csv, EIN 42-1491968. Total assets are balance-sheet assets, not assets under management. These are dated IRS records; they do not establish current finances or a present investment mandate.