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, together with subsidiaries Interstate Power & Light (IPL) and Wisconsin Power & Light (WPL), reports on its regulated electric and natural gas utility operations in Iowa and Wisconsin. The companies serve about 1,010,000 electric and 435,000 natural gas customers, generating 2025 electric revenues of $3.7 billion and gas revenues of $525 million.
Electric supply comes from a mix of natural gas, coal, wind and solar generation plus purchased power, coordinated through the MISO regional market with defined seasonal reserve margins. The filing highlights extensive federal and state regulation over rates, resource planning and major projects, along with evolving environmental rules on air, water and coal ash.
Management emphasizes growth opportunities and risks tied to large load customers such as data centers, including the need for significant new generation and transmission, potential cost recovery challenges, and regulatory approvals. The report also describes human capital programs, unionized workforce levels, and safety, engagement and talent development initiatives supporting long-term operations.
Alliant Energy Corporation reported stronger 2025 results, with GAAP diluted earnings per share of $3.14, up from $2.69 in 2024. Ongoing (non-GAAP) EPS rose to $3.22 from $3.04, reflecting about 6% earnings growth driven mainly by higher revenue requirements from authorized rate base increases and continued capital investment.
The company affirmed its 2026 ongoing EPS guidance range of $3.36 to $3.46. Management outlined an updated 2026-2029 capital plan, projecting annual capital expenditures between $3,130 million and $3,625 million from 2026 through 2028, focused on renewables, energy storage, gas projects and electric and gas distribution systems.
Alliant Energy Corporation reported the initial shareholdings of a company officer. Vice President Rebecca C. Valcq filed a statement of beneficial ownership showing that she directly holds 1,762.21 shares of Alliant Energy common stock. This filing reflects her ownership position as of the event date of 01/05/2026 and indicates that these shares are held directly, with no indirect ownership reported. The filing also shows no derivative securities, such as options or warrants, listed for her at this time.
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.