Diane Leopold Biography and Net Worth

Director of CMS Energy

Diane Leopold retired in 2025 as the executive vice president and chief operating officer of Dominion Energy, Inc. (“Dominion”), a regulated public electric utility. Leopold joined Dominion in 1995 and served in a wide variety of positions of increasing responsibility until being named executive vice president and co-chief operating officer in 2019, a position she held until her appointment as executive vice president and chief operating officer in 2020. Leopold serves on the boards of nVent Electric plc and Markel Group Inc. She previously served as a director of Dominion Energy Midstream Partners LP. She has been a Director of CMS Energy and Consumers Energy since 2026.

Leopold brings to the Board more than three decades of utility experience. The Board benefits from her prior leadership roles at Dominion. She currently serves on the boards of World Pediatrics and The Atlantic Council and she previously served on the board of the Nuclear Electric Insurance Limited board.

What is Diane Leopold's net worth?: The estimated net worth of Diane Leopold is at least $216.27 thousand as of February 25th, 2026. Leopold owns 2,769 shares of CMS Energy stock worth more than $216,273 as of February 27th. This net worth estimate does not reflect any other investments that Leopold may own. Learn More about Diane Leopold's net worth.
How do I contact Diane Leopold?: The corporate mailing address for Leopold and other CMS Energy executives is ONE ENERGY PLAZA, JACKSON MI, 49201. CMS Energy can also be reached via phone at (517) 788-0550 and via email at [email protected]. Learn More on Diane Leopold's contact information.
Has Diane Leopold been buying or selling shares of CMS Energy?: In the last ninety days, Diane Leopold has bought $153,400.00 in CMS Energy stock. Most recently, on Wednesday, February 25th, Diane Leopold bought 2,000 shares of CMS Energy stock. The stock was acquired at an average cost of $76.70 per share, with a total value of $153,400.00. Following the completion of the transaction, the director now directly owns 2,769 shares of the company's stock, valued at $212,382.30. Learn More on Diane Leopold's trading history.
Who are CMS Energy's active insiders?: CMS Energy's insider roster includes Glenn Barba (CAO), Jon Barfield (Director), Jean-Francois Brossoit (SVP), Catherine Hendrian (SVP), Brandon Hofmeister (SVP), Shaun Johnson (SVP), Diane Leopold (Director), Scott McIntosh (CAO), Venkat Rao (SVP), Brian Rich (SVP), John Russell (Director), Lauren Snyder (SVP & Chief Customer & Growth Officer of CMS Energy Corporation and Consumers Energy Company), and Laura Wright (Director). Learn More on CMS Energy's active insiders.
Are insiders buying or selling shares of CMS Energy?: In the last year, CMS Energy insiders bought shares 1 times. They purchased a total of 2,000 shares worth more than $153,400.00. In the last year, insiders at the utilities provider sold shares 6 times. They sold a total of 27,332 shares worth more than $2,034,387.48. The most recent insider tranaction occured on February, 25th when Director Diane Leopold bought 2,000 shares worth more than $153,400.00. Insiders at CMS Energy own 0.4% of the company. Learn More about insider trades at CMS Energy.
Information on this page was last updated on 2/25/2026.

Diane Leopold Insider Trading History at CMS Energy

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
2/25/2026	Buy	2,000	$76.70	$153,400.00	2,769

Diane Leopold Buying and Selling Activity at CMS Energy

CMS Energy Company Overview

CMS Energy Corporation operates as an energy company primarily in Michigan. The company operates through three segments: Electric Utility; Gas Utility; and Enterprises. The Electric Utility segment is involved in the generation, purchase, transmission, distribution, and sale of electricity. This segment generates electricity through coal, wind, gas, renewable energy, oil, and nuclear sources. Its distribution system comprises 208 miles of high-voltage distribution overhead lines; 4 miles of high-voltage distribution underground lines; 4,428 miles of high-voltage distribution overhead lines; 19 miles of high-voltage distribution underground lines; 82,474 miles of electric distribution overhead lines; 9,395 miles of underground distribution lines; 1,093 substations; and 3 battery facilities. The Gas Utility segment engages in the purchase, transmission, storage, distribution, and sale of natural gas, which includes 2,392 miles of transmission lines; 15 gas storage fields; 28,065 miles of distribution mains; and 8 compressor stations. The Enterprises segment is involved in the independent power production and marketing, including the development and operation of renewable generation. It serves 1.9 million electric and 1.8 million gas customers, including residential, commercial, and diversified industrial customers. The company was incorporated in 1987 and is headquartered in Jackson, Michigan.

Today's Range

Now: $77.98

$77.10

$78.31

50 Day Range

MA: $72.12

$69.25

$77.03

2 Week Range

Now: $77.98

$67.71

$78.31

Volume

2,122,066 shs

Average Volume

3,276,501 shs

Market Capitalization

$23.89 billion

P/E Ratio

22.09

Dividend Yield

2.98%

Beta

0.47