ALLIANT ENERGY CORP — 3 Filings
39 3 filings on record
This page lists all 3 filings submitted to the SEC by ALLIANT ENERGY CORP (LNT), sorted by most recent first. Each row links to the full filing on EdgarLookup. ALLIANT ENERGY CORP has filed 39 3 documents with the SEC since 2013. To view all SEC filings by ALLIANT ENERGY CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
15-15D
25
3
3/A
35-CERT
35-CERT/A
4
4/A
424B2
424B3
424B5
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CORRESP
CT ORDER
DEF 14A
DEFA14A
FWP
NO ACT
NT 10-K
NT 11-K
POS AMC
POSASR
PRE 14A
PX14A6G
RW
S-3
S-3/A
S-3ASR
S-3D
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SE
U-1
U-1/A
U-12-IB
U-13-60
U-57
U-6B-2
U-6B-2/A
U-9C-3
U5A
U5B
U5B/A
U5S
U5S/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 3 | FORM 3 | 0002115951-26-000002 | Mar 4, 2026 | Feb 23, 2026 |
| 3 | FORM 3 | 0002105470-26-000002 | Jan 15, 2026 | Jan 5, 2026 |
| 3 | FORM 3 | 0000352541-25-000047 | Apr 16, 2025 | Apr 7, 2025 |
| 3 | FORM 3 | 0000352541-25-000031 | Mar 12, 2025 | Mar 2, 2025 |
| 3 | FORM 3 | 0000352541-24-000060 | May 9, 2024 | May 1, 2024 |
| 3 | FORM 3 | 0000352541-24-000037 | Apr 1, 2024 | — |
| 3 | FORM 3 | 0000352541-23-000085 | Jul 19, 2023 | Jul 14, 2023 |
| 3 | FORM 3 | 0000352541-23-000064 | Jun 14, 2023 | Jun 12, 2023 |
| 3 | FORM 3 | 0000352541-23-000018 | Feb 27, 2023 | — |
| 3 | FORM 3 | 0000352541-23-000010 | Feb 14, 2023 | Feb 11, 2023 |
| 3 | FORM 3 | 0000352541-22-000045 | Apr 11, 2022 | — |
| 3 | FORM 3 | 0000352541-21-000069 | Jul 15, 2021 | Jul 14, 2021 |
| 3 | FORM 3 | 0000352541-20-000009 | Jan 7, 2020 | Jan 1, 2020 |
| 3 | FORM 3 | 0000352541-19-000034 | Mar 4, 2019 | Feb 25, 2019 |
| 3 | FORM 3 | 0001763198-19-000002 | Jan 9, 2019 | Jan 1, 2019 |
| 3 | FORM 3 | 0001763201-19-000004 | Jan 9, 2019 | Jan 1, 2019 |
| 3 | FORM 3 | 0000352541-18-000073 | Jul 26, 2018 | Jul 25, 2018 |
| 3 | FORM 3 | 0000352541-16-000217 | Dec 7, 2016 | Dec 1, 2016 |
| 3 | FORM 3 | 0000352541-16-000048 | Feb 10, 2016 | Feb 9, 2016 |
| 3 | PRIMARY DOCUMENT | 0001127602-15-024040 | Aug 4, 2015 | Jul 27, 2015 |
| 3 | PRIMARY DOCUMENT | 0001127602-15-023922 | Aug 3, 2015 | Jul 27, 2015 |
| 3 | PRIMARY DOCUMENT | 0001127602-14-010707 | Mar 7, 2014 | Mar 1, 2014 |
| 3 | PRIMARY DOCUMENT | 0001127602-13-024195 | Aug 2, 2013 | Jul 29, 2013 |
| 3 | PRIMARY DOCUMENT | 0001127602-11-022378 | Aug 1, 2011 | Jul 27, 2011 |
| 3 | PRIMARY DOCUMENT | 0001127602-11-005592 | Feb 15, 2011 | Feb 9, 2011 |
| 3 | PRIMARY DOCUMENT | 0001127602-11-005591 | Feb 15, 2011 | Feb 9, 2011 |
| 3 | PRIMARY DOCUMENT | 0001127602-10-027693 | Nov 10, 2010 | Nov 8, 2010 |
| 3 | PRIMARY DOCUMENT | 0001127602-10-023483 | Sep 20, 2010 | Sep 13, 2010 |
| 3 | PRIMARY DOCUMENT | 0001127602-10-004852 | Feb 16, 2010 | Feb 11, 2010 |
| 3 | PRIMARY DOCUMENT | 0000107832-07-000082 | May 11, 2007 | May 10, 2007 |
| 3 | PRIMARY DOCUMENT | 0000107832-07-000025 | Feb 12, 2007 | Feb 7, 2007 |
| 3 | PRIMARY DOCUMENT | 0000107832-06-000144 | Sep 25, 2006 | — |
| 3 | PRIMARY DOCUMENT | 0000107832-06-000027 | Feb 8, 2006 | Feb 7, 2006 |
| 3 | PRIMARY DOCUMENT | 0000107832-05-000227 | Nov 30, 2005 | — |
| 3 | PRIMARY DOCUMENT | 0000107832-05-000173 | Aug 30, 2005 | Aug 29, 2005 |
| 3 | PRIMARY DOCUMENT | 0000107832-05-000141 | Jul 13, 2005 | Jul 12, 2005 |
| 3 | — | 0000897069-03-001525 | Nov 25, 2003 | — |
| 3 | PRIMARY DOCUMENT | 0000107832-03-000104 | Aug 22, 2003 | Aug 20, 2003 |
| 3 | PRIMARY DOCUMENT | 0000107832-03-000103 | Aug 22, 2003 | Aug 21, 2003 |