Alliant Energy Corp
LNT- Exchange
- Nasdaq
- Industry
- Electric & Other Services Combined
- SEC CIK
- 0000352541
In the last 90 days, Alliant Energy Corp insiders filed 0 open-market purchases and 1 sale; 905 institutions reported holding it in 13F filings for Q2 2026, worth $20.0B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Alliant Energy Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 1 filing
- 1 insider, $6.65 in total
- Insiders trading
- 1
- Net value
- −$6.65
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Alliant Energy Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Durian Robert J | EVP and CFO | 158,146 | Aug 12, 2026 | 2 |
| Allen Patrick E | Director | – | Jul 14, 2026 | 3 |
| Cortina Ignacio A | Director | – | Jul 14, 2026 | 4 |
| Cox Stephanie | Director | – | Jul 14, 2026 | 4 |
| Falotico Nancy Joy | Director | 1,210 | Jul 14, 2026 | 4 |
| Garcia Michael Dennis | Director | – | Jul 14, 2026 | 4 |
| Newport Roger K | Director | – | Jul 14, 2026 | 4 |
| Raymond Christie | Director | – | Jul 14, 2026 | 4 |
| Asthana Manu | Director | – | Jul 14, 2026 | 1 |
| Smyth Antonio P | Executive Vice President | 20,678 | Apr 16, 2026 | 2 |
| Valcq Rebecca C. | Vice President | 2,335 | Mar 19, 2026 | 1 |
| Barton Lisa M | President and CEO | 107,452 | Feb 23, 2026 | 1 |
| de Leon David A | Senior Vice President | 47,708 | Feb 23, 2026 | 1 |
| Sundararajan Raja | Executive Vice President | 33,050 | Feb 23, 2026 | 1 |
| Farlinger Mayuri | Vice President | 10,432 | Feb 23, 2026 | 1 |
| Syse Dylan | CAO and Controller | 4,020 | Feb 23, 2026 | 1 |
| Larsen John O | Director | 289,939 | Feb 24, 2025 | 0 |
| Bilitz Benjamin M | CAO and Controller | 19,420 | Feb 24, 2025 | 0 |
| Kouba Terry L | Senior Vice President | 42,849 | Feb 20, 2024 | 0 |
| Otoole Thomas F | Director | – | Oct 17, 2023 | 0 |
| Whiting Susan D | Director | – | Jul 13, 2023 | 0 |
| Luhrs Michael | Senior Vice President | 4,037 | Feb 27, 2023 | 0 |
| Gallegos James H | EVP, Gen Cnsl and Corp Sec | 57,448 | Mar 1, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 12, 2026 (view filing)4:16 PM ET | Aug 10 | 2 days | Durian Robert JEVP and CFO | SSale | −0.1 | $68.56 | −$6.65 | 0.0%158.1K after | |
| Feb 20, 2024 (view filing) | Feb 20 | Same day | Barton Lisa MPresident and CEO | PPurchase | +1.10K | $48.56 | +$53.4K | +3.1%36.4K after | |
| Feb 20, 2024 (view filing) | Feb 20 | Same day | Sundararajan RajaExecutive Vice President | PPurchase | +500 | $48.26 | +$24.1K | +5.0%10.6K after | |
| Jun 13, 2022 (view filing) | Jun 9 | 4 days | Falotico Nancy JoyDirector | PPurchase | +1.20K | $61.00 | +$73.2K | +12,000.0%1.21K after | |
| Mar 1, 2022 (view filing) | Feb 28 | 1 day | Gallegos James HEVP, Gen Cnsl and Corp Sec | SSale | −10.0K | $58.04 | −$580.4K | −14.8%57.4K after |