Every Form 4 that Alliant Energy Corp (LNT) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow LNT and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full LNT filings page.
ALLIANT ENERGY CORP EVP and CFO Robert J. Durian reported a small sale of common stock. On 2026-08-10, he sold 0.0970 shares of Alliant Energy common stock at $68.60 per share, with the reported post-transaction direct holding at 158,145.9390 shares, including adjustments for accrued dividends through a dividend reinvestment transaction exempt under Rule 16a-11. In addition, he reported indirect ownership of 5,649.8780 shares held through a 401(k) plan as of the filing date.
ALLEN PATRICK E reported acquisition or exercise transactions in this Form 4 filing.
Alliant Energy Corp director Patrick E. Allen received a grant of 490.838 Deferred Common Stock Units, referenced at $76.40 per unit. These units will be settled in shares of common stock when his board service ends and bring his deferred unit holdings to 46,349.141, including adjustments for accrued dividends through dividend reinvestment.
Cortina Ignacio A reported acquisition or exercise transactions in this Form 4 filing.
ALLIANT ENERGY CORP director Ignacio A. Cortina received a grant of 638.089 Deferred Common Stock Units, referenced at $76.40 per unit. Following this award, Cortina holds 10,942.579 Deferred Common Stock Units directly. These units are to be settled in shares of common stock upon his termination of service as a director and include adjustments for accrued dividends through a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
Cox Stephanie reported acquisition or exercise transactions in this Form 4 filing.
Alliant Energy Corp director Stephanie Cox received a grant of 523.5610 Deferred Common Stock Units on July 10, 2026. Each unit corresponds to one share of common stock, and the units will be settled in shares upon her termination of service as a director, bringing her total deferred units to 17,907.2040. The award amount includes adjustments for accrued dividends through a dividend reinvestment transaction.
Falotico Nancy Joy reported acquisition or exercise transactions in this Form 4 filing.
ALLIANT ENERGY CORP director Nancy Joy Falotico received a grant of 744.4370 Deferred Common Stock Units on 2026-07-10 at a reference price of $76.4000 per unit. These units, including adjustments for accrued dividends, will be settled in common shares when her board service ends, bringing her Deferred Common Stock Unit holdings to 20522.8110 units.
Garcia Michael Dennis reported acquisition or exercise transactions in this Form 4 filing.
Alliant Energy Corp director Michael Dennis Garcia reported a grant of 837.696 Deferred Common Stock Units on July 10, 2026, at a reference value of $76.40 per unit. These units will be settled in common shares when his board service ends, bringing his deferred unit balance to 26,794.316, including dividend reinvestment adjustments.
Newport Roger K reported acquisition or exercise transactions in this Form 4 filing.
ALLIANT ENERGY CORP director Roger K. Newport reported a grant of 736.257 Deferred Common Stock Units on July 10, 2026. The units, valued at $76.40 per unit for reporting purposes, will be settled in common shares upon his termination of board service, and bring his total directly held deferred units to 32,419.510, including adjustments for accrued dividends through a dividend reinvestment mechanism.
Alliant Energy Corp director Raymond Christie received a grant of 998.0360 Deferred Common Stock Units on 2026-07-10, reported as a derivative grant/award acquisition. According to the terms, these units, which include dividend reinvestment adjustments, will be settled in shares of common stock when his service as a director ends, bringing his total deferred units to 9,648.3080.
Asthana Manu reported acquisition or exercise transactions in this Form 4 filing.
ALLIANT ENERGY CORP director Manu Asthana received a grant of 998.036 Deferred Common Stock Units on 2026-07-10. The award, reported at a reference price of $76.4000 per unit, will be settled in shares of common stock upon the end of his board service. Following this grant, he holds 998.036 such derivative units directly.
ALLIANT ENERGY CORP Executive Vice President Antonio P. Smyth reported a routine tax-related share disposition. The company withheld 1,259 shares of common stock at $72.18 per share to cover tax obligations tied to the vesting and settlement of restricted stock units.
The footnotes clarify this is not an open-market sale by Smyth but a mechanistic tax-withholding event. After the transaction, he directly holds 20,678 shares of Alliant Energy common stock, reflecting his ongoing equity stake in the company.
ALLEN PATRICK E reported acquisition or exercise transactions in this Form 4 filing.
Alliant Energy Corp director Patrick E. Allen received a grant of 512.996 Deferred Common Stock Units, each tied to the company’s common stock at an indicated value of $73.10 per unit. These units will be settled in common shares when his board service ends and now bring his total deferred units to 45,514.856. The position also reflects adjustments from accrued dividends through a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
Alliant Energy Corp director Ignacio A. Cortina received a grant of deferred stock units, acquiring 666.895 Deferred Common Stock Units at an assigned value of $73.10 per unit. Following this award, his total deferred units position is 10,227.316, held directly.
The units represent Deferred Common Stock and will be settled in shares of common stock when Cortina’s service as a director ends. The reported total also reflects adjustments for accrued dividends through a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
ALLIANT ENERGY CORP director Stephanie Cox received an award of 547.1960 Deferred Common Stock Units on April 10, 2026. The units are linked to a reference price of $73.1000 per unit and are structured as derivative securities tied to the company’s common stock.
Each deferred unit corresponds to 1 share of common stock, so the award relates to 547.1960 underlying shares. After this grant, Cox directly holds a total of 17,253.4510 deferred units. According to the terms, these units will be settled in shares of common stock when her service as a director ends.
The reported holdings also reflect adjustments for accrued dividends, which were credited through a dividend reinvestment transaction that is exempt from Section 16 under Rule 16a-11. The filing shows no open‑market buying or selling, only this grant/award acquisition of deferred units.
Falotico Nancy Joy reported acquisition or exercise transactions in this Form 4 filing.
ALLIANT ENERGY CORP director Nancy Joy Falotico received a grant of 778.044 Deferred Common Stock Units, tied to an equivalent number of common shares at a reference price of $73.10 per unit. These units will be settled in common stock when she leaves the board.
The holding now totals 19,630.248 Deferred Common Stock Units, reflecting both the new grant and prior balances, including adjustments for accrued dividends through a dividend reinvestment mechanism.
Garcia Michael Dennis reported acquisition or exercise transactions in this Form 4 filing.
ALLIANT ENERGY CORP director Michael Dennis Garcia received a grant of 875.513 Deferred Common Stock Units. These units relate to the company’s common stock and were valued at $73.10 per unit on the grant date. After this award, he holds 25,762.222 deferred units in total. The units will be settled in shares of common stock when his service as a director ends, and the balance includes adjustments for accrued dividends through a dividend reinvestment mechanism.
Newport Roger K reported acquisition or exercise transactions in this Form 4 filing.
ALLIANT ENERGY CORP director Roger K. Newport received a grant of 769.494 Deferred Common Stock Units tied to company common stock. The units were valued at $73.10 per unit and increase his holdings to 31,445.967 deferred units following the transaction.
The units will be settled in shares of common stock when he terminates service as a director, meaning he does not receive actual shares or cash now. The filing notes the balance also reflects adjustments for accrued dividends through a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
Alliant Energy Corp director Raymond Christie received a grant of deferred common stock units as part of his director compensation. On this Form 4, he acquired 1,043.092 deferred common stock units at a reference value of $73.10 per unit, increasing his direct holdings to 8,585.487 deferred units. These units are to be settled in shares of common stock when his service as a director ends and include adjustments for accrued dividends through a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
Alliant Energy Corp vice president Rebecca C. Valcq reported a routine tax-withholding transaction involving company stock. On February 19, 2026, 438 shares of Alliant Energy common stock were withheld by the company at $70.01 per share to cover tax obligations tied to the vesting and settlement of restricted stock units. The footnote clarifies this was not an open-market sale by Valcq. After this withholding, she directly held 2,335 shares of Alliant Energy common stock.
Alliant Energy President and CEO Lisa M. Barton reported equity compensation changes involving the company’s common stock. On February 19, 2026, she acquired 47,533 and 29,527 shares through grant/award acquisitions, both at a stated price of $0.00 per share.
The filing also shows a tax-withholding disposition of 28,594 shares at $70.01 per share to satisfy tax obligations. A related footnote explains that these awards are restricted stock units that convert into common stock on a one-to-one basis and vest on December 31, 2028.
Alliant Energy Corp vice president Rebecca C. Valcq received a grant of 1,004 restricted stock units (RSUs) of common stock as a non-cash award. The RSUs convert to common shares on a one-to-one basis when they vest on December 31, 2028. Following this grant, her directly owned common stock amount reported in this filing is 2,773 shares.
Alliant Energy Corp Senior Vice President David A. de Leon reported equity awards and related tax withholding transactions in company stock. On February 19, 2026, he acquired 8,616 and 2,306 shares of common stock as grants, including restricted stock units that convert one-to-one into common shares and vest on December 31, 2028. On the same date, 5,207 shares were disposed of at $70.01 per share to cover tax liabilities. Following these transactions, he directly held 47,708.260 shares, plus 2,278.524 shares held indirectly through a 401(k) plan as of the filing date.
Alliant Energy Corp EVP and CFO Robert J. Durian reported equity compensation changes in common stock. On February 19, 2026, he acquired 27,882 shares and 5,950 shares through grant or award transactions at a stated price of $0.00 per share, including restricted stock units that convert one-for-one into common stock and vest on December 31, 2028.
On the same date, 16,630 shares were disposed of at $70.0100 per share to satisfy tax liabilities by delivering shares. After these transactions, he directly owned 157,125.879 common shares, and indirectly held 5,608.293 shares through a 401(k) plan, with adjustments that include accrued dividends via dividend reinvestment.
Alliant Energy vice president Mayuri Farlinger reported several equity award-related transactions in company common stock. On February 19, 2026, she acquired 3,026 shares and 1,098 shares through grant or award transactions at a stated price of $0.00 per share, increasing her direct holdings. She also disposed of 1,179 shares at $70.01 per share to cover tax obligations by delivering shares, a non-open-market, tax-withholding transaction. Following these transactions, she held 10,431.620 shares directly and 9,657.414 shares indirectly through a 401(k) plan, which reflects plan holdings as of the filing date. A portion of the awards represents restricted stock units that convert into common stock on a one-to-one basis and are scheduled to vest on December 31, 2028.
Alliant Energy executive vice president Antonio P. Smyth reported stock-based awards and related tax withholding in company common stock. He acquired 13,114 and 5,240 shares as grants at no cash price, both representing restricted stock units that convert one-to-one into shares when vested. A separate disposition of 6,226 shares at $70.01 per share was made to cover tax obligations. The RSUs vest on December 31, 2028, leaving him with 21,855 shares held directly after these transactions.
Alliant Energy Executive Vice President Raja Sundararajan reported equity compensation transactions in company common stock. He acquired 18,768 and 8,784 shares through grants at a price of $0.0000 per share, reflecting stock-based awards. A portion of these awards represents restricted stock units that convert to common stock on a one-to-one basis and vest on December 31, 2028. To cover tax obligations on the awards, 11,324 shares were disposed of at $70.0100 per share under a tax-withholding arrangement. After these transactions, he continues to hold common stock directly.
Alliant Energy Corp CAO and Controller Dylan Syse reported equity compensation activity in company common stock. On February 19, 2026, he acquired 1,063 and 750 restricted stock units (RSUs), which each convert to one common share when vested. The RSUs vest on December 31, 2028.
On the same date, 506 common shares were disposed of in a tax-withholding transaction at $70.01 per share, satisfying tax obligations related to the award. After these transactions, Syse directly held 4,020.054 shares of Alliant Energy common stock.
Alliant Energy Corporation director Patrick E. Allen reported an award of deferred equity on January 9, 2026. He acquired 576.746 Deferred Common Stock Units at $65.02 per unit, bringing his total holdings of these derivative units to 44,665.768, held directly.
The deferred units are designed to be settled in shares of Alliant Energy common stock when Allen’s service as a director ends. The reported balance also reflects adjustments for accrued dividends through a dividend reinvestment mechanism that is exempt from Section 16 under Rule 16a-11.
Alliant Energy Corp director Ignacio A. Cortina reported an automatic award of 749.769 deferred common stock units on January 9, 2026, coded as an acquisition. The units are priced at $65.02 per unit and increase his directly held derivative position to 9,489.019 deferred common stock units. According to the disclosure, these units will be settled in shares of Alliant Energy common stock when Cortina’s service as a director ends, and the reported balance includes adjustments for accrued dividends through a dividend reinvestment feature that is exempt from Section 16 under Rule 16a-11.
Alliant Energy Corp director Stephanie Cox reported receiving deferred common stock units as part of her director compensation. On January 9, 2026, she acquired 615.196 deferred common stock units at a reference price of $65.02 per unit. After this award, she beneficially owns 16,581.485 deferred common stock units.
The units are designed to be settled in Alliant Energy common shares when she terminates her service as a director, and the reported balance includes adjustments for accrued dividends through a dividend reinvestment mechanism.
Alliant Energy Corp director Nancy Joy Falotico reported an acquisition of derivative equity tied to the company’s common stock. On 01/09/2026, she received 874.731 Deferred Common Stock Units at a reference price of $65.02 per unit, coded as an acquisition. After this transaction, she held a total of 18,711.408 Deferred Common Stock Units, all reported as directly owned.
The filing notes that these units are to be settled in shares of common stock when she terminates service as a director. It also explains that the total includes adjustments for accrued dividends through a dividend reinvestment transaction that is exempt from Section 16 under Rule 16a-11.
Alliant Energy Corporation director Michael Dennis Garcia reported a routine equity award. On January 9, 2026, he acquired 984.313 deferred common stock units of Alliant Energy at $65.02 per unit. After this transaction, he beneficially owned 24,700.844 deferred common stock units, held directly.
According to the disclosure, these deferred stock units will be settled in shares of Alliant Energy common stock when Garcia’s service as a director ends. The total includes adjustments for accrued dividends through a dividend reinvestment feature that is exempt from Section 16 under Rule 16a-11. No sales were reported in this filing.
Alliant Energy Corp director Roger K. Newport reported acquiring 865.118 deferred common stock units on January 9, 2026. The units were credited at a reference price of $65.02 per unit, increasing his holdings of deferred common stock units to 30,447.369, held directly. These deferred units are to be settled in shares of Alliant Energy common stock when he terminates his service as a director, and the reported balance includes adjustments for accrued dividends through a dividend reinvestment feature.
Alliant Energy Corporation director Raymond Christie reported an acquisition of deferred equity compensation. On January 9, 2026, he received 1,172.716 deferred common stock units at a reference price of $65.02 per unit, bringing his total holdings of these derivative units to 7,486.065.
These deferred units are designed to be settled in shares of Alliant Energy common stock when his service as a director ends, effectively aligning his compensation with long-term shareholder value. The reported balance also includes adjustments for accrued dividends through a dividend reinvestment mechanism that is exempt from Section 16 under Rule 16a-11.
Alliant Energy Corp (LNT) disclosed an insider equity transaction. A company director reported acquiring 802.583 deferred common stock units on 10/10/2025 (transaction code A).
These units are to be settled in shares of common stock upon the director’s termination of board service. Following the transaction, the reporting person beneficially owned 29,363.427 derivative securities, held directly. The filing notes adjustments for accrued dividends pursuant to a dividend reinvestment transaction exempt under Rule 16a-11.
Alliant Energy (LNT): A company director reported acquiring 915.13 deferred common stock units on 10/10/2025. These units are to be settled in shares of common stock upon the director’s termination of service. Following the transaction, the director beneficially owns 23,541.096 derivative securities. The filing notes adjustments for accrued dividends through a dividend reinvestment transaction exempt under Rule 16a-11.
Alliant Energy (LNT) director reported an acquisition of derivative securities. On 10/10/2025, the reporting person acquired 1,088.561 deferred common stock units (Transaction Code A). Following this transaction, the reporting person beneficially owned 6,266.648 derivative securities, held as Direct ownership.
The units are to be settled in shares of common stock upon the director’s termination of service. The filing notes adjustments for accrued dividends pursuant to a dividend reinvestment transaction exempt under Rule 16a-11.
Alliant Energy (LNT) reported a director’s acquisition of 871.771 deferred common stock units on 10/10/2025, coded as A in a Form 4.
The deferred units have a $0 conversion/exercise price and are to be settled in shares of common stock upon the director’s termination of service. The filing lists a $67.75 price for the derivative security on the transaction date. Following this transaction, the director beneficially owns 17,704.737 deferred common stock units.
Alliant Energy (LNT) reported a director transaction on 10/10/2025. The reporting person acquired 1,070.111 deferred common stock units (Transaction Code: A) in Table II of the filing. The units have a conversion/exercise price of $0 and are designed to be settled in shares of common stock upon the director’s termination of service, per the footnotes.
Following the transaction, the director beneficially owned 15,848.184 derivative securities directly. Footnotes state that amounts include adjustments for accrued dividends through a dividend reinvestment transaction exempt under Rule 16a-11.
Alliant Energy (LNT) disclosed a Form 4 for a director reflecting an acquisition of 695.572 Deferred Common Stock Units on 10/10/2025 (transaction code A). Following the transaction, the reporting person beneficially owns 8,674.605 derivative securities, held directly.
The units are to be settled in shares of common stock upon the director’s termination of service. The filing notes the total includes adjustments for accrued dividends pursuant to a dividend reinvestment transaction exempt under Rule 16a-11.