Leopold Diane

Markel Corporation · Director

Leopold Diane is listed in public filings as director. This Leopold Diane insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Markel Corporation (MKL), nVent Electric PLC (NVT), and CMS Energy Corp (CMS). Investors use Leopold Diane's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Markel CorporationMKL--2.3k sharesGrant / ExerciseMay 20, 2026Disclosure amount unavailable89 shares----

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
nVent Electric PLCNVT--2.7k sharesGrant / ExerciseMay 15, 2026Disclosure amount unavailable976 shares----
CMS Energy CorpCMS--5.2k sharesGrant / ExerciseMay 8, 2026Disclosure amount unavailable2.4k shares----
Markel CorporationMKL$984k550 sharesBuyMay 7, 2026$89.5K50 shares$1,789.19--
Markel CorporationMKL$3.9M2.2k sharesBuyMay 6, 2026$179.3K100 shares$1,792.61--
CMS Energy CorpCMS$212k2.8k sharesBuyFeb 25, 2026$153.4K2k shares$76.70--
CMS Energy CorpCMS--769 sharesGrant / ExerciseFeb 20, 2026Disclosure amount unavailable769 shares----
nVent Electric PLCNVT$171k1.9k sharesBuyAug 13, 2025$170.7K1.9k shares$89.84--
nVent Electric PLCNVT$180k2k sharesBuyAug 13, 2025$9.0K100 shares$90.07--
nVent Electric PLCNVT--1.7k sharesGrant / ExerciseJul 17, 2025Disclosure amount unavailable1.7k shares----
Markel CorporationMKL$3.6M2.1k sharesOtherJun 13, 2025$110.0K63 shares$1,735.89--
Markel CorporationMKL--2k sharesGrant / ExerciseMay 21, 2025Disclosure amount unavailable88 shares----
Markel CorporationMKL$2.7M1.9k sharesOtherJun 14, 2024$110.0K79 shares$1,389.66--
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