
Leon David A. de
Senior Vice President · ALLIANT ENERGY CORP
- 2026
- Feb 24, 2026
- 1
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Leon David A. de files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Robert J. Durian - $7 in LNT purchases and sales in the last 12 months
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Frequently asked questions
Who is Leon David A. de?
Leon David A. de is a corporate insider, tracked as Senior Vice President of ALLIANT ENERGY CORP (LNT). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Leon David A. de last file a Form 4?
The only primary Form 4 on record is dated 24 February 2026.