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Alliant Energy Corp SEC Filings
What Alliant Energy Corp has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
LNT overview →Filings on file
143
since Oct 7, 2016
Warning signs
2
latest Jun 24, 2024
Last results
Jul 31, 2026
8-K item 2.02
Industry
Electric & Other Services Combined
SIC 4931
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Jan 8, 2026 | Executive or director change 8-K | Read ↗ |
| Dec 16, 2025 | Executive or director change 8-K | Read ↗ |
| Mar 10, 2025 | Executive or director change 8-K | Read ↗ |
| Feb 11, 2025 | Executive or director change 8-K | Read ↗ |
| Jul 15, 2024 | Executive or director change 8-K | Read ↗ |
| Mar 8, 2024 | Executive or director change 8-K | Read ↗ |
| Feb 13, 2024 | Executive or director change 8-K | Read ↗ |
| Oct 26, 2023 | Executive or director change 8-K | Read ↗ |
| Jul 14, 2023 | Executive or director change 8-K | Read ↗ |
| Jan 13, 2023 | Executive or director change 8-K | Read ↗ |
| Jan 4, 2023 | Executive or director change 8-K | Read ↗ |
| Feb 8, 2022 | Executive or director change 8-K | Read ↗ |
| Oct 28, 2021 | Executive or director change 8-K | Read ↗ |
| Jul 15, 2021 | Executive or director change 8-K | Read ↗ |
| Jan 29, 2021 | Executive or director change 8-K | Read ↗ |
| May 22, 2020 | Executive or director changeShareholder vote 8-K | Read ↗ |
| Dec 13, 2019 | Executive or director change 8-K | Read ↗ |
| Feb 13, 2019 | Executive or director change 8-K | Read ↗ |
| Dec 13, 2018 | Executive or director change 8-K | Read ↗ |
| Jul 26, 2018 | Executive or director change 8-K | Read ↗ |
| Mar 15, 2018 | Executive or director change 8-K | Read ↗ |
| Dec 11, 2017 | Executive or director change 8-K | Read ↗ |
| Aug 8, 2017 | Executive or director change 8-K | Read ↗ |
Source: Alliant Energy Corp's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
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