Alliant Energy Corporation
Last updated September 27, 2026
Organization details
- Legal name
- Alliant Energy Corporation
- Ownership
- Public
- Status
- Active
- Headquarters country
- United States
- Ticker symbol
- LNT
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000352541
Board of directors
-
Christie Raymond · DirectorSince 2024
-
Ignacio A. Cortina · DirectorSince 2023
-
John O. Larsen · Director · Executive ChairmanSince 2023
-
Lisa M. Barton · Director · President and CEOSince 2024
-
Manu Asthana · DirectorSince 2026
-
Michael Dennis Garcia · DirectorSince 2023
-
Nancy Joy Falotico · DirectorSince 2023
-
Patrick E. Allen · DirectorSince 2024
-
Roger K. Newport · DirectorSince 2023
-
Stephanie Cox · DirectorSince 2023
-
Susan D. Whiting · DirectorSince 2023
-
Thomas F. Otoole · DirectorSince 2023
Chief executives
John O. Larsen
· Board Chair and CEO
Dates unknown
Lisa M. Barton
· President and CEO
Dates unknown
Board connections
6 of this board's directors also sit on 8 other boards.
- via Roger K. Newport
- via Patrick E. Allen
- via Lisa M. Barton
- via Susan D. Whiting
- via Nancy Joy Falotico
- via Nancy Joy Falotico
- via John O. Larsen
- via Patrick E. Allen
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $7
- 1 sale by 1 insider
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 10, 2026 | DURIAN ROBERT J Officer (EVP and CFO) | Open-market sale | −0 | $68.60 | $7 |
| Apr 15, 2026 | Smyth Antonio P Officer (Executive Vice President) | Shares withheld for tax | −1,259 | $72.18 | $90,875 |
| Feb 19, 2026 | Lisa M. Barton Director, Officer (President and CEO) | Grant or award | +47,533 | — | — |
| Feb 19, 2026 | Valcq Rebecca C. Officer (Vice President) | Grant or award | +1,004 | — | — |
| Feb 19, 2026 | de Leon David A Officer (Senior Vice President) | Grant or award | +8,616 | — | — |
| Feb 19, 2026 | DURIAN ROBERT J Officer (EVP and CFO) | Grant or award | +27,882 | — | — |
| Feb 19, 2026 | Farlinger Mayuri Officer (Vice President) | Grant or award | +3,026 | — | — |
| Feb 19, 2026 | Smyth Antonio P Officer (Executive Vice President) | Grant or award | +13,114 | — | — |
| Feb 19, 2026 | Sundararajan Raja Officer (Executive Vice President) | Grant or award | +18,768 | — | — |
| Feb 19, 2026 | Syse Dylan Officer (CAO and Controller) | Grant or award | +1,063 | — | — |
| Feb 19, 2026 | Lisa M. Barton Director, Officer (President and CEO) | Grant or award | +29,527 | — | — |
| Feb 19, 2026 | de Leon David A Officer (Senior Vice President) | Grant or award | +2,306 | — | — |
| Feb 19, 2026 | DURIAN ROBERT J Officer (EVP and CFO) | Grant or award | +5,950 | — | — |
| Feb 19, 2026 | Farlinger Mayuri Officer (Vice President) | Grant or award | +1,098 | — | — |
| Feb 19, 2026 | Smyth Antonio P Officer (Executive Vice President) | Grant or award | +5,240 | — | — |
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