INSIDER
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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
Corporate insider
WS

Wilson Simon

CEO, Markel InsuranceCIK 0002061485

EDGAR filingsOpen in network
Disclosed transactions5
Buys / sells0 / 2
Max Insider Score24
Connections1with evidence

Disclosed transactions

ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
17
WS
Wilson SimonEVP and CEO, Markel Insurance
MKLMARKEL GROUP INC.
Grant or award
A—
868 sh
Feb 24, 2026Feb 26, 2026
traded Feb 24, 2026
+2dSEC FORM 4

Evidence

Verified connections

  • Insider ofevidence
    MARKEL GROUP INC.CEO, Markel Insurance · Nov 25, 2025
20
WS
Wilson SimonEVP and CEO, Markel Insurance
MKLMARKEL GROUP INC.
Open-market sale
SELL
$208K
100 sh
Feb 26, 2026
Feb 26, 2026
traded Feb 26, 2026
+0d
SEC FORM 4

Evidence

8
WS
Wilson SimonCEO, Markel Insurance
MKLMARKEL GROUP INC.
Tax withholding
F$98K
47 sh
Feb 17, 2026Feb 19, 2026
traded Feb 17, 2026
+2dSEC FORM 4

Evidence

12
WS
Wilson SimonCEO, Markel Insurance
MKLMARKEL GROUP INC.
Tax withholding
F$194K
94 sh
Dec 2, 2025Dec 3, 2025
traded Dec 2, 2025
+1dSEC FORM 4

Evidence

24
WS
Wilson SimonCEO, Markel Insurance
MKLMARKEL GROUP INC.
Open-market sale
SELL$155K
75 sh
Nov 25, 2025Nov 25, 2025
traded Nov 25, 2025
+0dSEC FORM 4

Evidence