Alliant Energy Corp
A regulated utility holding company that delivers electricity and natural gas to roughly a million and a half homes and businesses across Iowa and Wisconsin through its two main units, Interstate Power and Light and Wisconsin Power and Light. The company was born in 1998 when three regional utilities merged, and it took the name "Alliant" the next year as a play on "alliance" — a nod to the three-way partnership that created it. Its roots stretch back to utilities incorporated in the 1920s, and it also holds a stake in a transmission-only company and a wind farm in Oklahoma.
Granted 464.7K · Sold 13.0K
Granted 310.0K · Sold 191.9K
Granted 290.8K · Bought 295.72 · Sold 25.9K
Granted 228.9K
Granted 190.3K · Sold 173.4K
Granted 133.7K · Bought 1.1K
Granted 138.5K · Sold 40.0K
Granted 49.6K
Granted 6.2K · Sold 2.0K
Granted 61.6K · Bought 940.82
Granted 43.4K · Bought 500
Granted 146.3K · Sold 137.5K
Granted 97.4K · Sold 80.7K
Granted 22.1K · Bought 6.92
Granted 19.3K
Granted 28.1K
Granted 78.1K · Bought 16.81 · Sold 55.4K
Granted 6.5K
Granted 60.0K · Bought 1.2K · Sold 62.7K
Granted 31.4K
Granted 7.9K · Sold 7.9K
Granted 6.4K · Bought 321.69 · Sold 4.8K
Bought 8.3K
Granted 596.19 · Bought 827.53
Granted 4.0K
Granted 1.8K
Bought 2.7K
Granted 32.8K · Sold 24.9K
Bought 1.4K
Bought 1.2K
Bought 537.84
Sold 100
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Larsen John ODirector · 48 transactions | — | 301.5Kas of Feb 2025 | 464.7K | — | 13.0K |
| Harvey William DChairman and CEO, Director · 57 transactions | — | 297.4Kas of Feb 2012 | 310.0K | — | 191.9K |
| Kampling Patricia LChairman and CEO, Director · 55 transactions | — | 210.0Kas of Jun 2019 | 290.8K | 295.72 | 25.9K |
| Durian Robert JEVP and CFO · 40 transactions | — | 173.4K | 228.9K | — | — |
| Protsch Eliot GSR EXEC VP, COO · 56 transactions | — | 140.7Kas of Nov 2009 | 190.3K | — | 173.4K |
| Barton Lisa MPresident and CEO, Director · 7 transactions | — | 106.5K | 133.7K | 1.1K | — |
| Gallegos James HEVP, Gen Cnsl and Corp Sec · 40 transactions | — | 59.0Kas of Mar 2022 | 138.5K | — | 40.0K |
| Kouba Terry LSenior Vice President · 27 transactions | — | 55.1Kas of Feb 2024 | 49.6K | — | — |
| Reschke Wayne ASenior Vice President · 4 transactions | — | 51.1Kas of Sep 2017 | 6.2K | — | 2.0K |
| de Leon David ASenior Vice President · 28 transactions | — | 50.0K | 61.6K | 940.82 | — |
| Sundararajan RajaExecutive Vice President · 7 transactions | — | 44.4K | 43.4K | 500 | — |
| Swan Barbara JExecutive Vice President · 47 transactions | — | 43.4Kas of Jan 2011 | 146.3K | — | 137.5K |
| Aller Thomas LSenior Vice President · 46 transactions | — | 40.4Kas of Mar 2014 | 97.4K | — | 80.7K |
| Davis Erroll B JrCHAIRMAN, Director · 2 transactions | — | 33.1Kas of Jan 2006 | 22.1K | 6.92 | — |
| Kopp Douglas R.Senior Vice President · 11 transactions | — | 26.7Kas of Feb 2019 | 19.3K | — | — |
| Smyth Antonio PExecutive Vice President · 5 transactions | — | 20.7K | 28.1K | — | — |
| Hanson Thomas LSenior Vice President, CFO · 57 transactions | — | 20.5Kas of Mar 2016 | 78.1K | 16.81 | 55.4K |
| Farlinger MayuriVice President · 7 transactions | — | 20.2K | 6.5K | — | — |
| Doyle Dundeana KSenior Vice President · 49 transactions | — | 19.5Kas of Aug 2011 | 60.0K | 1.2K | 62.7K |
| Bilitz Benjamin MCAO and Controller · 28 transactions | — | 19.4Kas of Feb 2025 | 31.4K | — | — |
| Schmidt Joel JVice President · 9 transactions | — | 17.1Kas of Jan 2012 | 7.9K | — | 7.9K |
| Pyle Judith DDirector · 9 transactions | — | 14.4Kas of Jul 2008 | — | — | — |
| Moore Peggy HowardVICE PRESIDENT · 20 transactions | — | 12.4Kas of Mar 2008 | 6.4K | 321.69 | 4.8K |
| Dunie Deborah B.Director · 5 transactions | — | 12.3Kas of Sep 2018 | — | 8.3K | — |
| Schlutz Robert WDirector · 2 transactions | — | 12.0Kas of May 2006 | — | — | — |
| McAllister Singleton BDirector · 9 transactions | — | 6.4Kas of May 2015 | 596.19 | 827.53 | — |
| Luhrs MichaelSenior Vice President · 2 transactions | — | 4.0Kas of Feb 2023 | 4.0K | — | — |
| Syse DylanCAO and Controller · 3 transactions | — | 3.8K | 1.8K | — | — |
| Whiting Susan DDirector · 1 transaction | — | 2.8Kas of Nov 2015 | — | 2.7K | — |
| Valcq Rebecca C.Vice President · 1 transaction | — | 2.3K | — | — | — |
| Kratchmer John EVP, CONTROLLER · 11 transactions | — | 2.1Kas of Aug 2006 | 32.8K | — | 24.9K |
| Allen Patrick EDirector · 3 transactions | — | 1.6Kas of May 2015 | — | 1.4K | — |
| Falotico Nancy JoyDirector · 1 transaction | — | 1.2Kas of Jun 2022 | — | 1.2K | — |
| Hazel Darryl BDirector · 6 transactions | — | 761.54as of May 2015 | — | 537.84 | — |
| Newhall Ann KDirector · 9 transactions | — | 701.38as of May 2015 | — | — | — |
| Bennett Michael LDirector · 7 transactions | — | 550.94as of May 2015 | — | — | — |
| Sanders Carol PDirector · 1 transaction | — | 0as of Aug 2011 | — | — | 100 |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over all recorded history: -800.9K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.