ALLIANT ENERGY CORP
For the period ended Dec 31, 2025. Filed Feb 20, 2026.
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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.
FY2025 · Filed Feb 20, 2026
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Website Access to Reports
Alliant Energy, IPL and WPL make their periodic and current reports, and amendments to those reports, available, free of charge, on Alliant Energy’s website atwww.alliantenergy.com/investors on the same day as such material is electronically filed with, or furnished to, the SEC. Alliant Energy, IPL and WPL are not including the information contained on Alliant Energy’s website as a part of, or incorporating it by reference into, this report.
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.