ALLIANT ENERGY CORP - LNT
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 23
Latest filed: Aug 21, 2026
| Form | Count |
|---|---|
| 4 | 17 |
| 8-K | 4 |
| SCHEDULE 13G | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Aug 21, 2026 | 8-K | Aug 21, 2026 | 0001193125-26-360020 | View |
| Aug 12, 2026 | 4 | Aug 10, 2026 | 0001512789-26-000003 | View |
| Jul 31, 2026 | 8-K | Jul 30, 2026 | 0000352541-26-000042 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001191569-26-000010 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0002115951-26-000004 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001942745-26-000004 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001298509-26-000005 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001607542-26-000003 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001684665-26-000006 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001463371-26-000003 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0001654634-26-000003 | View |
| May 21, 2026 | 8-K | May 20, 2026 | 0000352541-26-000036 | View |
| May 01, 2026 | 8-K | Apr 30, 2026 | 0000352541-26-000030 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100119-26-000053 | View |
| Apr 28, 2026 | SCHEDULE 13G | — | 0002100121-26-000056 | View |
| Apr 16, 2026 | 4 | Apr 15, 2026 | 0001973120-26-000003 | View |
| Apr 14, 2026 | 4 | Apr 10, 2026 | 0001191569-26-000007 | View |
| Apr 14, 2026 | 4 | Apr 10, 2026 | 0001942745-26-000003 | View |
| Apr 14, 2026 | 4 | Apr 10, 2026 | 0001298509-26-000002 | View |
| Apr 14, 2026 | 4 | Apr 10, 2026 | 0001607542-26-000002 | View |
| Apr 14, 2026 | 4 | Apr 10, 2026 | 0001684665-26-000002 | View |
| Apr 14, 2026 | 4 | Apr 10, 2026 | 0001463371-26-000002 | View |
| Apr 14, 2026 | 4 | Apr 10, 2026 | 0001654634-26-000002 | View |