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LNTAlliant Energy

Utilities · Electric & Gas Utilities · Nasdaq
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Filings with the SEC since Jan 22, 2014

1,005 filings, 12 in the last 30 days

SEC filing index
Latest annual reportOpen ↗
Feb 20, 2026
10-K, period to Dec 31, 2025
Latest quarterly reportOpen ↗
Oct 30, 2026
10-Q, period to Sep 30, 2026
Latest current reportOpen ↗
Oct 30, 2026
8-K: Quarterly results
Filed in the last 30 days
12
of 1,005 in all
Timeline

Every filing on one line

1 yr2 yr3 yr
Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)
All 37 events

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing

Newest first, by kind

Each form links to sec.gov
FiledFormWhat it isPeriod
Mar 31, 2026DEFA14A Extra proxy material all files
Mar 31, 2026DEF 14A Proxy statementMay 20, 2026 all files
May 8, 2025PX14A6G Shareholder's proxy letter all files
Apr 1, 2025DEFA14A Extra proxy material all files
Apr 1, 2025DEF 14A Proxy statementMay 16, 2025 all files
Apr 2, 2024DEFA14A Extra proxy material all files
Apr 2, 2024DEF 14A Proxy statementMay 17, 2024 all files
Apr 4, 2023DEFA14A Extra proxy material all files
Apr 4, 2023DEF 14A Proxy statement all files
Mar 31, 2022DEFA14A Extra proxy material all files
Mar 31, 2022DEF 14A Proxy statementMay 19, 2022 all files
Apr 1, 2021DEFA14A Extra proxy material all files
Apr 1, 2021DEF 14A Proxy statementMay 20, 2021 all files
Apr 9, 2020DEFA14A Extra proxy material all files
Apr 9, 2020DEF 14A Proxy statementMay 21, 2020 all files
Apr 8, 2019DEF 14A Proxy statementMay 16, 2019 all files
Apr 9, 2018DEF 14A Proxy statementMay 17, 2018 all files
May 8, 2017DEFA14A Extra proxy material all files
Apr 20, 2017DEFA14A Extra proxy material all files
Apr 18, 2017DEF 14A Proxy statementMay 23, 2017 all files
Mar 31, 2016DEF 14A Proxy statementMay 13, 2016 all files
Mar 24, 2015DEF 14A Proxy statementMay 7, 2015 all files
Apr 3, 2014DEF 14A Proxy statementMay 13, 2014 all files

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

Next Earnings releases →