SEC filings · LNT
Alliant Energy SEC filings
Every annual report, quarterly report, proxy statement and current report Alliant Energy has filed with the SEC since 2026, each linked to the original on SEC EDGAR. Filing.fyi links to the SEC; it does not host copies.
Annual reports (10-K)
- Feb 20, 202610-KAnnual report Period ended Dec 31, 2025
Quarterly reports (10-Q)
- Jul 31, 202610-QQuarterly report
- May 1, 202610-QQuarterly report Period ended Mar 31, 2026
Proxy statements (DEF 14A)
- Mar 31, 2026DEF 14AProxy statement
Current reports (8-K)
- Aug 21, 20268-KCurrent report
- Jul 30, 20268-KCurrent report
- May 1, 20268-KCurrent report Event date Apr 30, 2026
- Mar 19, 20268-KCurrent report
- Mar 4, 20268-KCurrent report Event date Mar 2, 2026
Insider transactions (Form 4)
- Oct 14, 2026Form 4Insider transaction
- Oct 14, 2026Form 4Insider transaction
- Oct 14, 2026Form 4Insider transaction
- Oct 14, 2026Form 4Insider transaction
- Oct 14, 2026Form 4Insider transaction
- Oct 14, 2026Form 4Insider transaction
- Oct 14, 2026Form 4Insider transaction
- Oct 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
- Jul 14, 2026Form 4Insider transaction
Source: SEC EDGAR. Open LNT on EDGAR →