Diane Leopold

Companies

• CMS EnergyBoard member Feb 23, 2026 to now¹
• CONSUMERS ENERGY COBoard member Feb 23, 2026 to now²
• nVent Electric plcBoard member Jul 18, 2025 to now³
• Markel CorporationBoard member May 16, 2018 to now⁴
• Dominion EnergyChief operating officer Dec 3, 2019 to Feb 27, 2024⁵
• Dominion EnergyChief executive officer Feb 2, 2018 to Nov 7, 2019⁶
• Dominion EnergyPresident Feb 3, 2017 to Feb 7, 2017⁷

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Dominion Energy D98,146 shares⁸$6.1M at $62.54Feb 27, 2024
• Markel Corporation MKL2,895 shares⁹$5.4M at $1,874.82Jun 17, 2026
• CECMS Energy CMS5,180 shares¹⁰$350.0K at $67.57May 8, 2026
• NEnVent Electric plc NVT976 shares¹¹$138.0K at $141.44Jul 20, 2026
• CECONSUMERS ENERGY CO CMS-PB0 shares¹²Feb 23, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jul 17, 2026Shares withheld for tax 222 shares at $154.92 of nVent Electric plc¹¹
• Jun 15, 2026Other 66 shares at $1,668.65 of Markel Corporation⁹
• May 20, 2026Granted 89 shares of Markel Corporation¹³
• May 15, 2026Granted 976 shares of nVent Electric plc¹⁴
• May 8, 2026Granted 2,411 shares of CMS Energy¹⁰
• May 7, 2026Bought 50 shares at $1,789.19 of Markel Corporation¹⁵
• May 6, 2026Bought 100 shares at $1,792.61 of Markel Corporation¹⁵
• Feb 25, 2026Bought 2,000 shares at $76.70 of CMS Energy¹⁶
• Feb 20, 2026Granted 769 shares of CMS Energy¹⁷
• Aug 13, 2025Bought 100 shares at $90.07 of nVent Electric plc¹⁸
• Aug 13, 2025Bought 1,900 shares at $89.84 of nVent Electric plc¹⁸
• Jul 17, 2025Granted 1,748 shares of nVent Electric plc¹⁹
• Jun 13, 2025Other 63 shares at $1,735.89 of Markel Corporation²⁰
• May 21, 2025Granted 88 shares of Markel Corporation²¹
• Jun 14, 2024Other 79 shares at $1,389.66 of Markel Corporation²²
• May 22, 2024Granted 100 shares of Markel Corporation²³
• Feb 26, 2024Granted 12,887 shares of Dominion Energy⁸
• Feb 1, 2024Shares withheld for tax 6,341 shares at $46.68 of Dominion Energy²⁴
• Dec 1, 2023Sold 5,077 shares at $45.51 of Dominion Energy²⁵
• Dec 1, 2023Sold 700 shares at $45.52 of Dominion Energy²⁵
• Dec 1, 2023Sold 273 shares at $45.53 of Dominion Energy²⁵
• Dec 1, 2023Sold 200 shares at $45.52 of Dominion Energy²⁵
• Oct 1, 2023Shares withheld for tax 5,739 shares at $44.67 of Dominion Energy²⁶
• Jun 15, 2023Other 91 shares at $1,204.63 of Markel Corporation²⁷
• Jun 1, 2023Sold 6,250 shares at $49.16 of Dominion Energy²⁸