Companies

ALLIANT ENERGY CORP (LNT) SEC filings

CIK 0000352541 · Electric & Other Services Combined (SIC 4931) · Nasdaq · incorporated in WI · fiscal year ends 12/31

Annual financials (from the company's own XBRL in its 10-K filings)

FY2025FY2024
Revenue (USD)4.4 B4.2 B
Net income (USD)810.0 M686.0 M
Diluted EPS (USD/shares)3.142.73

Latest filings

FiledFormDescriptionPeriod
2026-10-144FORM 42026-10-09
2026-10-144FORM 42026-10-09
2026-10-144FORM 42026-10-09
2026-10-144FORM 42026-10-09
2026-10-144FORM 42026-10-09
2026-10-144FORM 42026-10-09
2026-10-144FORM 42026-10-09
2026-10-144FORM 42026-10-09
2026-08-218-K8-K items 8.01,9.012026-08-21
2026-08-124FORM 42026-08-10
2026-07-3110-Q10-Q2026-06-30
2026-07-318-K8-K items 2.02,9.012026-07-30
2026-07-144FORM 42026-07-10
2026-07-144FORM 42026-07-10
2026-07-144FORM 42026-07-10
2026-07-144FORM 42026-07-10
2026-07-144FORM 42026-07-10
2026-07-144FORM 42026-07-10
2026-07-144FORM 42026-07-10
2026-07-144FORM 42026-07-10
2026-06-1611-K11-K2025-12-31
2026-05-218-K8-K items 5.072026-05-20
2026-05-0110-Q10-Q2026-03-31
2026-05-018-K8-K items 2.02,9.012026-04-30
2026-04-29SCHEDULE 13GSCHEDULE 13G

Forms on file (last 1,000): 4 634, 8-K 155, 10-Q 38, SC 13G/A 30, 3 22, 4/A 14, 11-K 13, DEF 14A 13. Source: SEC EDGAR, as filed; this page is public data and not investment advice.

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