As of Nov 2, 2026: David A. de Leon (Senior Vice President, LNT) reported no shares bought or sold themselves in the last 12 months (Form 4). LNT's Quality Score is 10. Scores as of 11:32 PM ET, 15 minutes behind.

David A. de Leon

Senior Vice President of Alliant Energy

No shares they bought or sold themselves in the last 12 months. Their newest Form 4, for Feb 19: stock award (10,922 LNT shares).

Bought$012 months Sold$012 months Last filedFeb 19stock award

From SEC Form 4s · Insiders have 2 business days to file a trade

Every trade David A. de Leon reported

None in the last 12 months, as filed.

Their filings on the SEC's siteEvery Form 4 they filed, as filed, on EDGAR.

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David A. de Leon's companies

Where they file, with the stock's Quality Score

Company	Title, as filed	Trades	Quality Score
LNTAlliant EnergySenior Vice President	Senior Vice Presidentfiled Feb 23	0	10

Alerts for David A. de Leon

One alert for each Form 4 they file.

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Use this page

Kept by Andrew Gomes, Breakaway's founder, from the SEC's Form 4 filings. Updated Feb 19, 2026.

Free to reuse with a link to this page.

How to cite

Breakaway, David A. de Leon: Senior Vice President at LNT, Feb 19, 2026, getbreakaway.com/insiders/david-a-de-leon

Journalists: email support@getbreakaway.com for the data behind this page.

Others who file at Alliant Energy

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