FilingIndex
11-KThe Record

ALLIANT ENERGY CORP files 11-K

Filed Jun 16, 2026 · 13d ago · Accession 0000352541-26-000038

Plain English

11-K filed with the SEC.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
LNT
CIK
352541
Form type
11-K
Filing date
Jun 16, 2026
Report date
Dec 31, 2025
Document
lnt-20260615.htm
Size
2.1 MB