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Diane Leopold

CIK: 0001595985

Transaction Breakdown

Open Market Buys (P)5 (35.7%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)6 (42.9%)

Compensation grants

Other (G, F, J, C, D, …)3 (21.4%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (4)

nVent Electric plc logo
NVT

nVent Electric plc

Director
MARKEL GROUP INC. logo
MKL

MARKEL GROUP INC.

Director
CMS ENERGY CORP logo
CMS

CMS ENERGY CORP

Director
CONSUMERS ENERGY CO logo
CMS.B

CONSUMERS ENERGY CO

Director

Discretionary Trading P&L

Holdings

Transaction History (14 total)

  • nVent Electric plc logo
    NVT

    nVent Electric plc

    Jul 17, 2026
    Tax Payment(F)
    Direct
    222 shares at avg. $154.92$34K
  • MARKEL GROUP INC. logo
    MKL

    MARKEL GROUP INC.

    Jun 15, 2026
    Other(J)
    Direct
    66 shares at avg. $1668.65$110K
  • MARKEL GROUP INC. logo
    MKL

    MARKEL GROUP INC.

    May 20, 2026
    Award(A)
    Direct
    89 shares-
  • nVent Electric plc logo
    NVT

    nVent Electric plc

    May 15, 2026
    Award(A)
    Direct
    976 shares-
  • CMS ENERGY CORP logo
    CMS

    CMS ENERGY CORP

    May 8, 2026
    Award(A)
    Direct
    2.4K shares-
  • MARKEL GROUP INC. logo
    MKL

    MARKEL GROUP INC.

    May 7, 2026
    Purchase(P)
    Indirect
    50 shares at avg. $1789.19$89K
  • MARKEL GROUP INC. logo
    MKL

    MARKEL GROUP INC.

    May 6, 2026
    Purchase(P)
    Direct
    100 shares at avg. $1792.61$179K
  • CMS ENERGY CORP logo
    CMS

    CMS ENERGY CORP

    Feb 25, 2026
    Purchase(P)
    Direct
    2K shares at avg. $76.70$153K
  • CMS ENERGY CORP logo
    CMS

    CMS ENERGY CORP

    Feb 20, 2026
    Award(A)
    Direct
    769 shares-
  • nVent Electric plc logo
    NVT

    nVent Electric plc

    Aug 13, 2025
    Purchase(P)
    Direct
    1.9K shares at avg. $89.84$171K
  • nVent Electric plc logo
    NVT

    nVent Electric plc

    Aug 13, 2025
    Purchase(P)
    Direct
    100 shares at avg. $90.07$9K
  • nVent Electric plc logo
    NVT

    nVent Electric plc

    Jul 17, 2025
    Award(A)
    Direct
    1.7K shares-
  • MARKEL GROUP INC. logo
    MKL

    MARKEL GROUP INC.

    Jun 13, 2025
    Other(J)
    Direct
    63 shares at avg. $1735.89$110K
  • MARKEL GROUP INC. logo
    MKL

    MARKEL GROUP INC.

    May 21, 2025
    Award(A)
    Direct
    88 shares-

1-14 of 14

About Leopold Diane

Leopold Diane (SEC CIK 0001595985) files insider reports with the SEC as Director of nVent Electric plc (NVT), Director of MARKEL GROUP INC. (MKL) and Director of CMS ENERGY CORP (CMS). Signal8 also holds filings tied to 1 other company.

Signal8 holds 15 ownership filings by Leopold Diane (3 Form 3, 12 Form 4), filed between May 23, 2025 and Jul 20, 2026. Those filings report 14 transactions, from May 21, 2025 to Jul 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Leopold Diane's filings is in ST. LOUIS PARK, MN.

Recent filings by Leopold Diane

  • Jul 17, 2026: Tax withholding of NVT shares (Form 4, code F).
  • Jun 15, 2026: Other transaction of MKL shares (Form 4, code J).
  • May 20, 2026: Grant or award of MKL shares (Form 4, code A).
  • May 15, 2026: Grant or award of NVT shares (Form 4, code A).
  • May 8, 2026: Grant or award of CMS shares (Form 4, code A).

Other insiders filing for nVent Electric plc (NVT)

How to read Form 4 transaction codes