ALLIANT ENERGY CORP Other
Cover page items of the 10-K and 10-Q that have no other home: a security other than the listed stock or a bond, a check box that differs from the latest cover, or a figure not in the Balance Sheet › Equity tabs. Newest first, as filed.
- 2026-02-20: Form 10-K; Item Shares outstanding as of 2026-01-31; As filed 13,370,788.
- 2026-02-20: Form 10-K; Item Shares outstanding as of 2026-01-31; As filed 13,236,601.
- 2025-02-21: Form 10-K; Item Shares outstanding as of 2025-01-31; As filed 13,370,788.
- 2025-02-21: Form 10-K; Item Shares outstanding as of 2025-01-31; As filed 13,236,601.
| Filed | Form | Item | As filed |
|---|
| 2026-02-20 | 10-K | Shares outstanding as of 2026-01-31 | 13,370,788 |
|---|
| 2026-02-20 | 10-K | Shares outstanding as of 2026-01-31 | 13,236,601 |
|---|
| 2025-02-21 | 10-K | Shares outstanding as of 2025-01-31 | 13,370,788 |
|---|
| 2025-02-21 | 10-K | Shares outstanding as of 2025-01-31 | 13,236,601 |
|---|
| 2024-02-16 | 10-K | Shares outstanding as of 2024-01-31 | 13,370,788 |
|---|
| 2024-02-16 | 10-K | Shares outstanding as of 2024-01-31 | 13,236,601 |
|---|
| 2023-02-24 | 10-K | Shares outstanding as of 2023-01-31 | 13,370,788 |
|---|
| 2023-02-24 | 10-K | Shares outstanding as of 2023-01-31 | 13,236,601 |
|---|
| 2022-02-18 | 10-K | Shares outstanding as of 2022-01-31 | 13,370,788 |
|---|
| 2022-02-18 | 10-K | Shares outstanding as of 2022-01-31 | 13,236,601 |
|---|
| 2021-02-19 | 10-K | Security registered under Section 12(b) | 5.100% Series D Cumulative Perpetual Preferred Stock, $0.01 Par Value · IPLDP · Nasdaq Global Select Market |
|---|
| 2021-02-19 | 10-K | Shares outstanding as of 2021-01-31 | 13,370,788 |
|---|
| 2021-02-19 | 10-K | Shares outstanding as of 2021-01-31 | 13,236,601 |
|---|
| 2020-02-21 | 10-K | Security registered under Section 12(b) | 5.100% Series D Cumulative Perpetual Preferred Stock, $0.01 Par Value · IPLDP · Nasdaq Global Select Market |
|---|
| 2020-02-21 | 10-K | Shares outstanding as of 2020-01-31 | 13,370,788 |
|---|
| 2020-02-21 | 10-K | Shares outstanding as of 2020-01-31 | 13,236,601 |
|---|