Alliant Energy Corp. Announces Executive and Director Changes

Interstate Power & Light Co 8-K Filing Summary
FieldDetail
CompanyInterstate Power & Light Co
Form Type8-K
Filed DateDec 16, 2025
Risk Levellow
Pages3
Reading Time3 min
Key Dollar Amounts$0.01
Sentimentneutral

Sentiment: neutral

Topics: executive-changes, board-changes, governance

Related Tickers: LNT

TL;DR

Alliant Energy (LNT) board shakeup, new execs appointed, compensation updated.

AI Summary

Alliant Energy Corp. announced on December 10, 2025, changes in its executive team and board of directors. Specifically, the company reported the departure of a director and the appointment of new officers, alongside updates to executive compensation arrangements. These changes are effective as of December 16, 2025.

Why It Matters

Changes in executive leadership and board composition can signal shifts in company strategy or governance, impacting investor confidence and future operational direction.

Risk Assessment

Risk Level: low — The filing details routine corporate governance changes, such as director departures and officer appointments, which typically do not represent significant financial or operational risks.

Key Players & Entities

  • Alliant Energy Corp. (company) — Filer
  • Interstate Power & Light Co. (company) — Filer
  • December 10, 2025 (date) — Date of Report
  • December 16, 2025 (date) — Effective Date

FAQ

What specific roles have been filled by the newly appointed officers?

The filing does not specify the exact roles of the newly appointed officers, only that appointments have been made.

Who is the departing director?

The filing states a director has departed but does not name the individual.

What are the details of the updated compensatory arrangements?

The filing indicates updates to compensatory arrangements for certain officers but does not provide specific details within this document.

What is the primary business of Alliant Energy Corp. and Interstate Power & Light Co.?

Both Alliant Energy Corp. and Interstate Power & Light Co. are involved in the Electric & Other Services industry (SIC 4931).

When was the company formerly known as WPL Holdings Inc.?

WPL Holdings Inc. changed its name on April 27, 1998, to become Alliant Energy Corp.

Filing Stats: 753 words · 3 min read · ~3 pages · Grade level 14.3 · Accepted 2025-12-16 16:20:36

Key Financial Figures

  • $0.01 — liant Energy Corporation, Common Stock, $0.01 Par Value , Trading Symbol LNT , Nasdaq

Filing Documents

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, Alliant Energy Corporation, Interstate Power and Light Company and Wisconsin Power and Light Company have each duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ALLIANT ENERGY CORPORATION Date: December 16, 2025 By: /s/ Omar N. Chaudhary Omar N. Chaudhary Corporate Secretary INTERSTATE POWER AND LIGHT COMPANY Date: December 16, 2025 By: /s/ Omar N. Chaudhary Omar N. Chaudhary Corporate Secretary WISCONSIN POWER AND LIGHT COMPANY Date: December 16, 2025 By: /s/ Omar N. Chaudhary Omar N. Chaudhary Corporate Secretary

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