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Data sources

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

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 411m ago
HOUSE PTR11m ago
SEC 13F11m ago
ROBINHOOD CHAIN11m ago
SEC FORM 4/Open-market saleVerified data

Wilson Simon sold MKL

CEO, Markel Insurance · MARKEL GROUP INC. · Common Stock

Side
SELL
Value
$155K
Shares
75
Price
$2,072.94
Executed
Nov 25, 2025
Disclosed
Nov 25, 2025
Disclosure timeline0 days from execution to publication · legal deadline 2 business days
Nov 25 executedNov 25, 2025 disclosed

MKL · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
24/ 100 · ROUTINE
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+4 / 25

    $155K reported value · 4.1% of prior position

  • Filing timing0 / 15

    Disclosed 0 business days after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · MKL

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    22
    CJ
    Costanzo Brian J.Chief Financial Officer
    MKLMARKEL GROUP INC.
    Other acquisition or disposition
    		J$3,000
    2 sh
    		Sep 30, 2026Oct 16, 2026
    traded Sep 30, 2026
    		+16dSEC FORM 4

    Evidence

    23
    April McClain DelaneyDDependent child
    MKLMARKEL GROUP INC.
    Sale
    		SELL$100K – $250KAug 25, 2026Sep 9, 2026
    traded Aug 25, 2026
    		+15dHOUSE PTR

    Evidence

    16
    April McClain DelaneyDDependent child
    MKLMARKEL GROUP INC.
    Partial sale
    		SELL$1,001 – $15KJul 29, 2026Aug 3, 2026
    traded Jul 29, 2026
    		+5dHOUSE PTR

    Evidence

    16
    April McClain DelaneyDDependent child
    MKLMARKEL GROUP INC.
    Partial sale
    		SELL$1,001 – $15KJul 28, 2026Aug 3, 2026
    traded Jul 28, 2026
    		+6dHOUSE PTR

    Evidence

    16
    April McClain DelaneyDDependent child
    MKLMARKEL GROUP INC.
    Partial sale
    		SELL$1,001 – $15KJul 27, 2026Aug 3, 2026
    traded Jul 27, 2026
    		+7dHOUSE PTR

    Evidence

    27
    April McClain DelaneyDDependent child
    MKLMARKEL GROUP INC.
    Partial sale
    		SELL$1,001 – $15KJul 24, 2026Aug 3, 2026
    traded Jul 24, 2026
    		+10dHOUSE PTR

    Evidence

    20
    Thomas H. Kean, Jr.RSelf
    MKLMARKEL GROUP INC.
    Partial sale
    		SELL$1,001 – $15KJun 2, 2026Jul 15, 2026
    traded Jun 2, 2026
    		+43dHOUSE PTR

    Evidence

    16
    Thomas H. Kean, Jr.RSelf
    MKLMARKEL GROUP INC.
    Partial sale
    		SELL$1,001 – $15KJun 29, 2026Jul 15, 2026
    traded Jun 29, 2026
    		+16dHOUSE PTR

    Evidence

    24
    April McClain DelaneyDDependent child
    MKLMARKEL GROUP INC.
    Purchase
    		BUY$1,001 – $15KMay 1, 2026Jun 5, 2026
    traded May 1, 2026
    		+35dHOUSE PTR

    Evidence

    24
    April McClain DelaneyDDependent child
    MKLMARKEL GROUP INC.
    Purchase
    		BUY$1,001 – $15KApr 30, 2026May 6, 2026
    traded Apr 30, 2026
    		+6dHOUSE PTR

    Evidence

    22
    CG
    Crowley Andrew G.EVP & Pres., Markel Ventures
    MKLMARKEL GROUP INC.
    Other acquisition or disposition
    		J$15K
    9 sh
    		Mar 31, 2026Apr 15, 2026
    traded Mar 31, 2026
    		+15dSEC FORM 4

    Evidence

    22
    CJ
    Costanzo Brian J.Chief Financial Officer
    MKLMARKEL GROUP INC.
    Other acquisition or disposition
    		J$3,000
    2 sh
    		Mar 31, 2026Apr 15, 2026
    traded Mar 31, 2026
    		+15dSEC FORM 4

    Evidence

    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

    20
    WS
    Wilson SimonEVP and CEO, Markel Insurance
    MKLMARKEL GROUP INC.
    Open-market sale
    		SELL$208K
    100 sh
    		Feb 26, 2026Feb 26, 2026
    traded Feb 26, 2026
    		+0dSEC FORM 4

    Evidence

    17
    GP
    Grandis Meade P.CAO and Controller
    MKLMARKEL GROUP INC.
    Grant or award
    		A—
    70 sh
    		Feb 24, 2026Feb 26, 2026
    traded Feb 24, 2026
    		+2dSEC FORM 4

    Evidence

    24
    Thomas H. Kean, Jr.RSelf
    MKLMARKEL GROUP INC.
    Partial sale
    		SELL$15K – $50KJan 23, 2026Feb 19, 2026
    traded Jan 23, 2026
    		+27dHOUSE PTR

    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

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0002061485-25-000003
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Nov 25, 2025
    Published
    Nov 25, 2025
    Ingested by INSIDER
    Nov 5, 04:31 UTC
    Last re-read
    Nov 5, 04:31 UTC

    Extracted facts

    Filer
    Wilson Simon
    Role
    CEO, Markel Insurance
    Transaction
    Open-market saleAs filed: “S”
    Asset
    MARKEL GROUP INC.
    Ticker
    MKL
    Shares
    75
    Price per share
    $2,072.94
    Value
    $155,471
    Execution date (reported)
    Nov 25, 2025
    Owned after transaction
    1,770 shares
    Days from execution to publication
    0

    Calculation

    Value = shares × reported price per share

    • Shares: 75
    • Price: $2,072.94

    = $155,471

    What this establishes

    Wilson Simon filed this Form 4 reporting a open-market sale of MKL on Nov 25, 2025. It became public on Nov 25, 2025. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    CEO, Markel Insurance
    Wilson Simoncik:0002061485
    Issuer
    MARKEL GROUP INC.cik:0001096343

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.