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Alliant Energy 8-K Report, Executive Changes (Mar 10, 2025)

Reports
Leadership Changes
Filing Date
Filed March 10, 2025
Period End
March 7, 2025
Security
LNT
In the record · 2016–202610-K1110-Q338-K136

LNT filed 11 annual reports (10-K), 33 quarterly reports (10-Q) and 136 current reports (8-K) between 2016 and 2026.

  1. Material agreement8-K · Dec ’18Dec ’18
  2. Leadership change8-K · Jan ’21Jan ’21
  3. Leadership change8-K · Jan ’23Jan ’23
  4. Material agreement8-K · Oct ’26Oct ’26

Summary

Summary of the 8-K filed March 10, 2025. Cited figures are marked; the original filing is the authoritative source.

Alliant Energy Corporation, Interstate Power and Light Company and Wisconsin Power and Light Company filed this Current Report under Item 5.02, on departures and appointments of directors and officers.

On March 7, 2025, John O. Larsen informed the Boards of the three companies that he plans to retire as Chairman of the Board and as a member of the Boards when his term expires after the 2025 Annual Meeting of Shareowners. On the same date, the Boards designated Patrick E.

Allen as Board Chair of the Companies, effective after the 2025 Annual Meeting of Shareowners. Mr. Allen has served on the Boards since 2011. The filing reports only this leadership transition and does not state any other terms, compensation changes or financial results.

Key Highlights

  1. John O. Larsen plans to retire as Chairman of the Board and as a member of the Boards of Alliant Energy, IPL and WPL when his term expires after the 2025 Annual Meeting of Shareowners.
  2. The Boards designated Patrick E. Allen as Board Chair of the Companies, effective after the 2025 Annual Meeting of Shareowners.
  3. Mr. Allen has served as a member of the Boards since 2011.
  4. The announcement was made by the Boards on March 7, 2025, and the filing is dated March 10, 2025.
  5. The change applies jointly to Alliant Energy Corporation, Interstate Power and Light Company and Wisconsin Power and Light Company.
  6. The filing does not report any financial results, compensation arrangements or other terms related to the leadership change.

Frequently Asked Questions

  1. Who is leaving the Board?

    John O. Larsen plans to retire as Chairman of the Board and as a member of the Boards of Alliant Energy, IPL and WPL when his term expires after the 2025 Annual Meeting of Shareowners.

  2. Who will become the new Board Chair, and when?

    The Boards designated Patrick E. Allen as Board Chair of the Companies, effective after the 2025 Annual Meeting of Shareowners.

  3. How long has the incoming Board Chair served on the Boards?

    Mr. Allen has served as a member of the Boards since 2011.

  4. Does this filing report any change to financial results or compensation?

    No. The filing addresses only the board leadership transition and does not describe financial results or compensation terms.