Alliant Energy's top three insider shareholders as of March 23, 2026 are John O Larsen (Director, 289.94K shares), Robert J Durian (Evp And Cfo, 157.13K shares), Lisa M Barton (President And Ceo, 107.45K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| John O Larsen | 289,939 | 0 | 24 Feb, 2025 | |
| Robert J Durian | Evp And Cfo | 157,126 | 0 | 23 Feb, 2026 |
| Lisa M Barton | President And Ceo | 107,452 | 0 | 23 Feb, 2026 |
| James H Gallegos | Evp, Gen Cnsl And Corp Sec | 57,448 | 0 | 01 Mar, 2022 |
| Leon David A De | Senior Vice President | 47,708 | 0 | 23 Feb, 2026 |
| Terry L Kouba | Senior Vice President | 42,849 | 0 | 20 Feb, 2024 |
| Raja Sundararajan | Executive Vice President | 33,050 | 0 | 23 Feb, 2026 |
| Antonio P Smyth | Executive Vice President | 21,855 | 0 | 23 Feb, 2026 |
| Benjamin M Bilitz | Cao And Controller | 19,420 | 0 | 24 Feb, 2025 |
| Mayuri Farlinger | Vice President | 10,432 | 0 | 23 Feb, 2026 |
| Michael Luhrs | Senior Vice President | 4,037 | 0 | 27 Feb, 2023 |
| Dylan Syse | Cao And Controller | 4,020 | 0 | 23 Feb, 2026 |
| Rebecca C. Valcq | Vice President | 2,335 | 0 | 19 Mar, 2026 |
| Nancy Joy Falotico | 1,210 | 0 | 13 Jun, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 19 Feb, 2026 | Rebecca C. Valcq | Common Stock | D | 438 | $70.01 | 2,335 | D | F |
| 19 Feb, 2026 | Leon David A De | Common Stock | A | 8,616 | $0.00 | 50,609 | D | A |
| 19 Feb, 2026 | Lisa M Barton | Common Stock | A | 47,533 | $0.00 | 106,519 | D | A |
| 19 Feb, 2026 | Raja Sundararajan | Common Stock . | A | 18,768 | $0.00 | 35,590 | D | A |
| 19 Feb, 2026 | Robert J Durian | Common Stock | A | 27,882 | $0.00 | 167,806 | D | A |
| 19 Feb, 2026 | Rebecca C. Valcq | Common Stock | A | 1,004 | $0.00 | 2,773 | D | A |
| 19 Feb, 2026 | Dylan Syse | Common Stock | A | 1,063 | $0.00 | 3,776 | D | A |
| 19 Feb, 2026 | Mayuri Farlinger | Common Stock | A | 3,026 | $0.00 | 10,513 | D | A |
| 19 Feb, 2026 | Antonio P Smyth | Common Stock | A | 13,114 | $0.00 | 22,841 | D | A |
| 19 Feb, 2026 | Mayuri Farlinger | Common Stock | A | 1,098 | $0.00 | 11,611 | D | A |
| 19 Feb, 2026 | Leon David A De | Common Stock | A | 2,306 | $0.00 | 52,915 | D | A |
| 19 Feb, 2026 | Dylan Syse | Common Stock | A | 750 | $0.00 | 4,526 | D | A |
| 19 Feb, 2026 | Antonio P Smyth | Common Stock | A | 5,240 | $0.00 | 28,081 | D | A |
| 19 Feb, 2026 | Raja Sundararajan | Common Stock . | A | 8,784 | $0.00 | 44,374 | D | A |
| 19 Feb, 2026 | Lisa M Barton | Common Stock | A | 29,527 | $0.00 | 136,046 | D | A |
| 19 Feb, 2026 | Robert J Durian | Common Stock | A | 5,950 | $0.00 | 173,756 | D | A |
| 19 Feb, 2026 | Raja Sundararajan | Common Stock . | D | 11,324 | $70.01 | 33,050 | D | F |
| 19 Feb, 2026 | Leon David A De | Common Stock | D | 5,207 | $70.01 | 47,708 | D | F |
| 19 Feb, 2026 | Mayuri Farlinger | Common Stock | D | 1,179 | $70.01 | 10,432 | D | F |
| 19 Feb, 2026 | Lisa M Barton | Common Stock | D | 28,594 | $70.01 | 107,452 | D | F |