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Total declarations
Company
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Latest filing published 23 Feb 2026 for Alliant Energy CORP.
Filing timeline
BuySaleDavid A. de Leon
Insider track record
Disclosed buys
1
Disclosed sells
0
Signal history
Closed purchases
Market purchases
1
Not enough history yet: 1 closed purchase, at least 2 are needed.
Purchases by company
Since each purchase
- +0.7%Entry US$52.26 · Close at T+365 US$52.65
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
David A. de Leon: trading record in brief
David A. de Leon appears at a single issuer, Alliant Energy Corp, under the title Senior Vice President, with 28 filings for trades dated from September 3, 2019 to February 19, 2026.
Of those 28 filings, only one is a market trade: a purchase of EUR 45,564, dated September 3, 2019, the day of the very first trade in the record. No sale appears anywhere in the whole record. Everything else is equity compensation: 23 grants, 3 option exercises and 1 filing of another kind.
The pace is steady from one year to the next. The record counts 5 filings in 2020 and as many in 2021, 4 in 2022, 3 in 2023, 4 in 2024, 3 in 2025 and 3 in 2026, against just 1 in 2019. The three filings of the last twelve months include neither a purchase nor a sale.
Filings are published a median of 4 days after the trade.
Companies and markets linked to David A. de Leon
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations28 total
2,306 shares0Common StockSEC:0001763201-26-000001:1
5,207 shares@ US$70.0122.3% of flowCommon StockSEC:0001763201-26-000001:2
8,616 shares0Common StockSEC:0001763201-26-000001:0
2,532 shares0Common StockSEC:0000352541-25-000021:1
2,560 shares@ US$61.6210.9% of flowCommon StockSEC:0000352541-25-000021:2
3,256.204 shares0Common StockSEC:0000352541-25-000021:0
465 shares0Common StockSEC:0000352541-24-000061:0
6,981 shares0Common StockSEC:0000352541-24-000016:0
2,386 shares0Common StockSEC:0000352541-24-000016:1
4,269 shares@ US$48.4046.4% of flowCommon StockSEC:0000352541-24-000016:2
3,874 shares@ US$52.9913.9% of flowCommon StockSEC:0000352541-23-000023:2
2,179 shares0Common StockSEC:0000352541-23-000023:1
6,457 shares0Common StockSEC:0000352541-23-000023:0
4,300 shares@ US$57.8753.6% of flowCommon StockSEC:0000352541-22-000030:0
1,898 shares0Common StockSEC:0000352541-22-000024:1
7,526 shares0Common StockSEC:0000352541-22-000024:0
1,599 shares0Common StockSEC:0000352541-22-000003:0
1,801 shares@ US$47.099.5% of flowCommon StockSEC:0000352541-21-000031:0
1,840 shares@ US$47.099.7% of flowCommon StockSEC:0000352541-21-000031:1
3,607 shares0Common StockSEC:0000352541-21-000027:0
2,046 shares0Common StockSEC:0000352541-21-000027:1
1,533 sharesCommon StockSEC:0000352541-21-000003:0
1,235 shares@ US$55.3610.4% of flowCommon StockSEC:0000352541-20-000030:0
1,440 shares@ US$54.7212.0% of flowCommon StockSEC:0000352541-20-000030:1
3,381 shares0Common StockSEC:0000352541-20-000026:0
25 of 28 declarations
