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AI brief of an SEC Form 8-K · Alliant Energy (LNT)

Alliant Energy: Chairman John Larsen to retire; Patrick Allen named Board Chair

Neutral Impact 3 of 5 leadership Written later

Alliant Energy said Chairman John O. Larsen plans to retire from the Boards of Alliant Energy, IPL and WPL when his term expires after the 2025 Annual Meeting of Shareowners. The Boards named director Patrick E. Allen, a board member since 2011, as Board Chair effective after that meeting.

Key points

  • John O. Larsen informed the Boards on March 7, 2025 of his plan to retire as Chairman and as a director.
  • Larsen's retirement takes effect when his term expires after the 2025 Annual Meeting of Shareowners.
  • Patrick E. Allen was designated Board Chair on March 7, 2025, effective after the 2025 Annual Meeting.
  • Allen has served on the Boards since 2011.

The filing

CompanyAlliant Energy (LNT)
Form8-K, current report
Filed with the SECMar 10, 2025, 8:35 AM ET
Accession number0000352541-25-000029

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 12:42 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on March 10, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.