John O. Larsen
Board Chair and CEO at Alliant Energy Corporation
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: Alliant Energy Corporation, 3 years.
Chief executive roles
Solid · grade C
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 50% of the scoring weight is on file.
- Dividends 15%
- 72
- Revenue growth 20%
- 52
- Earnings growth 15%
- 60
dividend grew 6.2% a year
2.7% a year in revenue
4.9% a year in earnings per share
50% of the scoring weight is on file. Figures cover December 2018 – December 2023.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Pacific Gas & Electric Co. May 21, 2026100.0%
-
Pacific Gas & Electric Co. May 22, 202599.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 30, 2026 | Pacific Gas & Electric Co. | Open-market purchase | +7,500 | $12.20 | $91,500 |
| May 21, 2026 | Pacific Gas & Electric Co. | Grant or award | +10,948 | — | — |
| Nov 4, 2025 | Pacific Gas & Electric Co. | Open-market purchase | +7,500 | $15.96 | $119,700 |
| May 22, 2025 | Pacific Gas & Electric Co. | Grant or award | +10,575 | — | — |
| Feb 20, 2025 | Alliant Energy Corporation | Grant or award | +32,199 | — | — |
| Feb 20, 2025 | Alliant Energy Corporation | Shares withheld for tax | −24,461 | $61.62 | $1,507,287 |
| Feb 15, 2024 | Alliant Energy Corporation | Grant or award | +80,948 | — | — |
| Feb 15, 2024 | Alliant Energy Corporation | Grant or award | +19,990 | — | — |
| Feb 15, 2024 | Alliant Energy Corporation | Shares withheld for tax | −49,670 | $48.40 | $2,404,028 |
| Feb 23, 2023 | Alliant Energy Corporation | Grant or award | +69,117 | — | — |
| Feb 23, 2023 | Alliant Energy Corporation | Grant or award | +24,066 | — | — |
| Feb 23, 2023 | Alliant Energy Corporation | Shares withheld for tax | −41,645 | $52.99 | $2,206,769 |
Questions about John O. Larsen
What boards is John O. Larsen on?
John O. Larsen sits on the boards of Alliant Energy Corporation and Pacific Gas & Electric Co.
Has John O. Larsen been a CEO?
Yes — John O. Larsen was CEO of Alliant Energy Corporation (2019 – 2024).
How long has John O. Larsen served on boards?
Our records show at least 5 years of board service across 2 boards, the earliest from 2023.
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