Skip to contentde Leon David A — ALLIANT ENERGY CORP insider: 34 transactions · InsiderLensInsider trading activity of de Leon David A
- Transactions on record
- 34
- since Feb 25, 2019
- Open-market buys
- 1
- $50K
- Open-market sells
- 0
- Companies traded
- 1
- last filing Feb 23, 2026
Figures computed from official regulatory filings — methodology.
Companies where de Leon David A has traded
Track record of de Leon David A
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of de Leon David A
Co-insiders of de Leon David A
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CASTINE CHARLESALLIANT ENERGY CORP
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Feb 23, 2026 | Award | 8,616 | 0.00 USD | $0 | SEC |
| Feb 23, 2026 | Award | 2,306 | 0.00 USD | $0 | SEC |
| Feb 23, 2026 | Other | -5,207 | 70.01 USD | $364.5K | SEC |
| Feb 24, 2025 | Other | -2,560 | 61.62 USD | $157.7K | SEC |
| Feb 24, 2025 | Award | 2,532 | 0.00 USD | $0 | SEC |
| Feb 24, 2025 | Award | 3,256.2 | 0.00 USD | $0 | SEC |
| May 9, 2024 | Award | 465 | 0.00 USD | $0 | SEC |
| Feb 20, 2024 | Award | 6,981 | 0.00 USD | $0 | SEC |
| Feb 20, 2024 | Award | 2,386 | 0.00 USD | $0 | SEC |
| Feb 20, 2024 | Other | -4,269 | 48.40 USD | $206.6K | SEC |
| Feb 27, 2023 | Award | 6,457 | 0.00 USD | $0 | SEC |
| Feb 27, 2023 | Award | 2,179 | 0.00 USD | $0 | SEC |
| Feb 27, 2023 | Other | -3,874 | 52.99 USD | $205.3K | SEC |
| Mar 1, 2022 | Other | -4,300 | 57.87 USD | $248.8K | SEC |
| Feb 22, 2022 | Award | 1,898 | 0.00 USD | $0 | SEC |
| Feb 22, 2022 | Award | 7,526 | 0.00 USD | $0 | SEC |
| Jan 4, 2022 | ExerciseD | -1,599 | 0.00 USD | $0 | SEC |
| Jan 4, 2022 | Exercise | 1,599 | 0.00 USD | $0 | SEC |
| Mar 4, 2021 | Other | -1,840 | 47.09 USD | $86.6K | SEC |
| Mar 4, 2021 | Award | 1,801 | 47.09 USD | $84.8K | SEC |
| Mar 3, 2021 | Other | -1,840 | 47.09 USD | $86.6K | SEC |
| Mar 3, 2021 | Award | 1,801 | 47.09 USD | $84.8K | SEC |
| Feb 22, 2021 | Award | 3,607 | 0.00 USD | $0 | SEC |
| Feb 22, 2021 | Award | 2,046 | 0.00 USD | $0 | SEC |
| Jan 5, 2021 | Exercise | 1,533 | — | — | SEC |