de Leon David A (CIK 1763201) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-23). Recent activity: Buy LNT (8,616 shares), Buy LNT (2,306 shares), Sell LNT (5,207 shares), Buy LNT (3,256 shares), Buy LNT (2,532 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-23 | ALLIANT ENERGY CORP (LNT) | Senior Vice President | Buy | 8,616 | $0 |
| 2026-02-23 | ALLIANT ENERGY CORP (LNT) | Senior Vice President | Buy | 2,306 | $0 |
| 2026-02-23 | ALLIANT ENERGY CORP (LNT) | Senior Vice President | Sell | 5,207 | $364,542 |
| 2025-02-24 | ALLIANT ENERGY CORP (LNT) | Senior Vice President | Buy | 3,256 | $0 |
| 2025-02-24 | ALLIANT ENERGY CORP (LNT) | Senior Vice President | Buy | 2,532 | $0 |
| 2025-02-24 | ALLIANT ENERGY CORP (LNT) | Senior Vice President | Sell | 2,560 | $157,747 |
Source: SEC Form 4 filings · as of 2026-02-23