The Filings Report

Alliant Energy Corporation Common Stock insider trading

LNTfinancial statementsForm 4 filings on EDGAR43 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at Alliant Energy Corporation Common Stock bought $0 of stock in the open market, and 1 sold $7. Officers and directors accounted for $0 of purchases and $7 of sales. The last reported transaction was an open-market sale by Durian Robert J on August 10, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through August 12, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

LNT daily priceSplit-adjusted prices in US dollars

Bought $0Sold $7Aug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $70.63 · H $72.42 · L $70.54 · C $71.65Bought $0 (0)Sold $0 (0)
$62$65$67$70$732026-08-04: open $71.05, high $71.21, low $70.23, close $70.662026-08-05: open $70.63, high $70.63, low $69.38, close $70.202026-08-06: open $71.05, high $71.05, low $69.06, close $69.522026-08-07: open $69.41, high $69.86, low $68.89, close $69.372026-08-10: open $69.55, high $69.55, low $67.94, close $68.212026-08-11: open $68.06, high $68.77, low $67.54, close $68.582026-08-12: open $68.95, high $70.46, low $68.81, close $70.242026-08-13: open $70.46, high $70.77, low $70.15, close $70.202026-08-14: open $70.01, high $70.77, low $69.99, close $70.602026-08-17: open $70.15, high $70.44, low $69.77, close $70.352026-08-18: open $71.25, high $71.46, low $69.95, close $69.982026-08-19: open $70.48, high $70.64, low $69.84, close $70.152026-08-20: open $69.80, high $70.59, low $69.43, close $69.462026-08-21: open $69.76, high $69.86, low $67.81, close $67.862026-08-24: open $68.01, high $68.50, low $67.68, close $68.422026-08-25: open $68.50, high $68.68, low $68.14, close $68.342026-08-26: open $68.34, high $69.19, low $68.17, close $68.922026-08-27: open $68.31, high $68.51, low $67.90, close $68.212026-08-28: open $68.59, high $68.73, low $67.73, close $68.032026-08-31: open $67.61, high $68.33, low $67.38, close $67.982026-09-01: open $67.98, high $68.58, low $67.55, close $67.922026-09-02: open $67.88, high $68.12, low $67.22, close $67.742026-09-03: open $67.93, high $68.44, low $67.67, close $68.002026-09-04: open $67.57, high $68.54, low $67.44, close $67.972026-09-08: open $67.86, high $69.04, low $67.86, close $68.612026-09-09: open $68.60, high $68.97, low $67.42, close $67.862026-09-10: open $67.89, high $68.43, low $67.16, close $67.252026-09-11: open $67.80, high $67.80, low $67.03, close $67.262026-09-14: open $67.30, high $67.71, low $66.75, close $66.922026-09-15: open $67.05, high $67.13, low $65.91, close $65.992026-09-16: open $66.32, high $66.73, low $65.80, close $66.112026-09-17: open $66.23, high $66.75, low $66.05, close $66.642026-09-18: open $66.50, high $66.50, low $65.56, close $65.612026-09-21: open $65.62, high $65.70, low $64.76, close $64.972026-09-22: open $64.98, high $65.33, low $64.57, close $64.622026-09-23: open $64.66, high $64.66, low $63.56, close $63.692026-09-24: open $63.85, high $64.00, low $63.27, close $63.312026-09-25: open $63.26, high $63.65, low $62.70, close $63.602026-09-28: open $63.44, high $63.81, low $62.78, close $63.212026-09-29: open $62.81, high $64.46, low $62.77, close $64.342026-09-30: open $64.54, high $64.65, low $63.18, close $63.302026-10-01: open $63.30, high $63.93, low $62.54, close $63.712026-10-02: open $63.79, high $65.20, low $63.79, close $64.332026-10-05: open $64.18, high $64.80, low $63.97, close $64.292026-10-06: open $64.67, high $65.54, low $64.44, close $65.492026-10-07: open $65.40, high $65.67, low $65.10, close $65.212026-10-08: open $65.31, high $65.70, low $64.86, close $65.502026-10-09: open $65.67, high $65.99, low $65.28, close $65.852026-10-12: open $65.90, high $66.51, low $65.54, close $66.462026-10-13: open $67.01, high $67.10, low $65.65, close $66.962026-10-14: open $67.05, high $67.59, low $66.55, close $67.512026-10-15: open $68.38, high $68.44, low $67.00, close $67.102026-10-16: open $67.50, high $68.43, low $67.04, close $68.322026-10-19: open $68.18, high $68.23, low $66.57, close $66.852026-10-20: open $67.26, high $68.41, low $67.14, close $68.272026-10-21: open $68.64, high $68.79, low $68.34, close $68.392026-10-22: open $68.60, high $70.46, low $68.51, close $70.302026-10-23: open $70.09, high $70.33, low $69.45, close $69.662026-10-26: open $69.66, high $70.22, low $69.29, close $69.502026-10-27: open $69.50, high $70.12, low $69.27, close $70.042026-10-28: open $69.93, high $70.18, low $69.19, close $69.372026-10-29: open $70.08, high $70.91, low $69.96, close $70.682026-10-30: open $70.63, high $72.42, low $70.54, close $71.65Insider purchases / sales · USD$10$0−$102026-08-10: 0 purchases ($0), 1 sales ($7)Aug 4Aug 26Sep 17Oct 9Oct 30

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

43 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Aug 10, 2026Durian Robert JEVP and CFOopen-market sale0$68.60$7158,146Aug 12, 2026
Apr 15, 2026Smyth Antonio PExecutive Vice Presidenttax withholding1,259$72.18$91K20,678Apr 16, 2026
Feb 19, 2026Valcq Rebecca C.Vice Presidenttax withholding438$70.01$31K2,335Mar 19, 2026
Feb 19, 2026Barton Lisa MPresident and CEO, Directortax withholding28,594$70.01$2M107,452Feb 23, 2026
Feb 19, 2026Barton Lisa MPresident and CEO, Directoraward29,527$0.00—136,046Feb 23, 2026
Feb 19, 2026Barton Lisa MPresident and CEO, Directoraward47,533$0.00—106,519Feb 23, 2026
Feb 19, 2026Valcq Rebecca C.Vice Presidentaward1,004$0.00—2,773Feb 23, 2026
Feb 19, 2026de Leon David ASenior Vice Presidentaward8,616$0.00—50,609Feb 23, 2026
Feb 19, 2026de Leon David ASenior Vice Presidentaward2,306$0.00—52,915Feb 23, 2026
Feb 19, 2026de Leon David ASenior Vice Presidenttax withholding5,207$70.01$365K47,708Feb 23, 2026
Feb 19, 2026Durian Robert JEVP and CFOtax withholding16,630$70.01$1M157,126Feb 23, 2026
Feb 19, 2026Durian Robert JEVP and CFOaward5,950$0.00—173,756Feb 23, 2026
Feb 19, 2026Durian Robert JEVP and CFOaward27,882$0.00—167,806Feb 23, 2026
Feb 19, 2026Farlinger MayuriVice Presidentaward1,098$0.00—11,611Feb 23, 2026
Feb 19, 2026Farlinger MayuriVice Presidenttax withholding1,179$70.01$83K10,432Feb 23, 2026
Feb 19, 2026Farlinger MayuriVice Presidentaward3,026$0.00—10,513Feb 23, 2026
Feb 19, 2026Smyth Antonio PExecutive Vice Presidentaward13,114$0.00—22,841Feb 23, 2026
Feb 19, 2026Smyth Antonio PExecutive Vice Presidenttax withholding6,226$70.01$436K21,855Feb 23, 2026
Feb 19, 2026Smyth Antonio PExecutive Vice Presidentaward5,240$0.00—28,081Feb 23, 2026
Feb 19, 2026Sundararajan RajaExecutive Vice Presidenttax withholding11,324$70.01$793K33,050Feb 23, 2026
Feb 19, 2026Sundararajan RajaExecutive Vice Presidentaward18,768$0.00—35,590Feb 23, 2026
Feb 19, 2026Sundararajan RajaExecutive Vice Presidentaward8,784$0.00—44,374Feb 23, 2026
Feb 19, 2026Syse DylanCAO and Controllertax withholding506$70.01$35K4,020Feb 23, 2026
Feb 19, 2026Syse DylanCAO and Controlleraward750$0.00—4,526Feb 23, 2026
Feb 19, 2026Syse DylanCAO and Controlleraward1,063$0.00—3,776Feb 23, 2026
Apr 15, 2025Smyth Antonio PExecutive Vice Presidentaward9,727$0.00—9,727Apr 16, 2025
Feb 20, 2025Bilitz Benjamin MCAO and Controlleraward937$0.00—20,759Feb 24, 2025
Feb 20, 2025Bilitz Benjamin MCAO and Controlleraward1,590$0.00—19,822Feb 24, 2025
Feb 20, 2025Bilitz Benjamin MCAO and Controllertax withholding1,339$61.62$83K19,420Feb 24, 2025
Feb 20, 2025Durian Robert JEVP and CFOaward6,532$0.00—143,044Feb 24, 2025
Feb 20, 2025Durian Robert JEVP and CFOaward9,472$0.00—136,512Feb 24, 2025
Feb 20, 2025Durian Robert JEVP and CFOtax withholding7,401$61.62$456K135,643Feb 24, 2025
Feb 20, 2025de Leon David ASenior Vice Presidentaward3,256$0.00—40,855Feb 24, 2025
Feb 20, 2025de Leon David ASenior Vice Presidentaward2,532$0.00—43,387Feb 24, 2025
Feb 20, 2025de Leon David ASenior Vice Presidenttax withholding2,560$61.62$158K40,827Feb 24, 2025
Feb 20, 2025Farlinger MayuriVice Presidentaward1,156$0.00—6,966Feb 24, 2025
Feb 20, 2025Farlinger MayuriVice Presidentaward1,022$0.00—5,810Feb 24, 2025
Feb 20, 2025Farlinger MayuriVice Presidenttax withholding560$61.62$35K6,406Feb 24, 2025
Feb 20, 2025Larsen John ODirectoraward32,199$0.00—314,400Feb 24, 2025
Feb 20, 2025Larsen John ODirectortax withholding24,461$61.62$2M289,939Feb 24, 2025
Feb 20, 2025Barton Lisa MPresident and CEO, Directoraward21,266$0.00—57,710Feb 24, 2025
Feb 20, 2025Sundararajan RajaExecutive Vice Presidentaward5,802$0.00—16,358Feb 24, 2025
Nov 20, 2024Bilitz Benjamin MCAO and Controllergift850$0.00—18,012Nov 20, 2024

Who the insiders are

Everyone who reported a transaction since November 1, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Durian Robert JEVP and CFOAug 10, 2026open-market sale158,146—$7 (1)0 of 1
de Leon David ASenior Vice PresidentFeb 19, 2026award50,609———
Farlinger MayuriVice PresidentFeb 19, 2026award11,611———
Smyth Antonio PExecutive Vice PresidentApr 15, 2026tax withholding20,678———
Barton Lisa MPresident and CEO, DirectorFeb 19, 2026tax withholding107,452———
Sundararajan RajaExecutive Vice PresidentFeb 19, 2026tax withholding33,050———
Bilitz Benjamin MCAO and ControllerFeb 20, 2025award20,759———
Syse DylanCAO and ControllerFeb 19, 2026tax withholding4,020———
Valcq Rebecca C.Vice PresidentFeb 19, 2026tax withholding2,335———
Larsen John ODirectorFeb 20, 2025award314,400———

Questions

Are Alliant Energy Corporation Common Stock insiders buying or selling?

Over the twelve months to November 1, 2026, 1 insider at Alliant Energy Corporation Common Stock sold $7 of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $7. Only open-market purchases and sales are counted.

Who sold the most Alliant Energy Corporation Common Stock stock in the last year?

Durian Robert J (EVP and CFO) sold $7 in 1 open-market sale over the twelve months to November 1, 2026.

Do Alliant Energy Corporation Common Stock executives sell under 10b5-1 plans?

0 of the 1 open-market sales in the last twelve months (0%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Alliant Energy Corporation Common Stock

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.