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

Alliant Energy: WPL President David de Leon to retire; Rebecca Valcq named successor

Neutral Impact 3 of 5 leadership Written later

Alliant Energy's Wisconsin Power and Light unit said its president, David A. de Leon, plans to retire after 39 years of service, with retirement on or about July 1, 2026. Rebecca Cameron Valcq, formerly chair of the Public Service Commission of Wisconsin, was named WPL president effective January 5, 2026. The change is a planned leadership transition at a regulated utility subsidiary and does not include any reported financial impact.

Key points

  • David A. de Leon informed the company on December 10, 2025 that he intends to retire after 39 years of service
  • De Leon stays on as Senior Vice President of Alliant Energy, IPL and WPL from January 5, 2026 until retirement on or about July 1, 2026
  • Rebecca Cameron Valcq, 50, appointed WPL president effective January 5, 2026 and also named Vice President of Alliant Energy and IPL
  • Valcq chaired the Public Service Commission of Wisconsin from 2019 to 2024

The filing

CompanyAlliant Energy (LNT)
Form8-K, current report
Filed with the SECDec 16, 2025, 4:20 PM ET
Accession number0000352541-25-000089

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 December 16, 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.