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Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Leopold Diane

Over the trailing 90 days, Leopold Diane (Director at MARKEL GROUP INC.) traded $413K of stock (net buying $344K) across 3 companies, per 7 SEC Form 4 transactions.

Role
Director
Companies
MKL NVT CMS
Window
Trailing 90 days · 7 transactions · CIK 1595985
Net activity
+$344K ($379K bought · $34K sold)

By Company (Trailing 90 Days)

SymbolCompanyTxnsBoughtSoldNet
MKLMARKEL GROUP INC.4$379K$379K
NVTnVent Electric plc2$34K−$34K
CMSCMS ENERGY CORP1$0

Transactions (7)

DateSymbolTypeSharesValueDescription
2026-07-17NVTSell222$34KPayment of exercise price or tax liability by delivering securities
2026-06-15MKLBuy66$110KOther acquisition or disposition
2026-05-20MKLBuy89$0Grant, award or other acquisition
2026-05-15NVTBuy976$0Grant, award or other acquisition
2026-05-08CMSBuy2.4K$0Grant, award or other acquisition
2026-05-07MKLBuy50$89KOpen market or private purchase
2026-05-06MKLBuy100$179KOpen market or private purchase

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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