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sellWeak10b5-1 plan

Steven A Markel sold $2.8M of MKL

director at MARKEL CORP. 1,330 shares at an average of $2,119.12, traded Dec 11, 2025, filed Dec 15, 2025.

Warning score
20
Value
$2.8M
1,330 shares
Holdings after
60,368
-2% from before
From 52-week low
+28%
low $1,660.14, close $2,125.83
From 52-week high
0%
high $2,125.83, as of Dec 11, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $2.8M at market
    +25
  • Share of holdings sold
    Sold 2.2% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -2.9%, 3m -9.5%, 6m -14.2%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MKLOct 13, 2026 · close 1,789
Since filing Dec 15, 2025: -17.2%SPY +15.5% · excess -32.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001096343-25-000159, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-64$2,100.00$134k61,634Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-50$2,103.55$105k61,584Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-70$2,108.27$148k61,514Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-40$2,112.03$84k61,474Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-120$2,114.99$254k61,354Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-100$2,116.18$212k61,254Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-201$2,117.37$426k61,053Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-24$2,118.37$51k61,029Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-51$2,120.65$108k60,978Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-173$2,121.69$367k60,805Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-10$2,123.05$21k60,795Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-32$2,125.00$68k60,763Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-75$2,126.00$159k60,688Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-190$2,127.26$404k60,498Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-10$2,128.00$21k60,488Dec 15, 2025
Dec 11, 2025SOpen-market sale
Common Stock10b5-1
-120$2,129.98$256k60,368Dec 15, 2025

Related signals

Other insiders at MARKEL CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
31Weak
MKLsell
MARKEL CORP
Greta J Harris
director
$140k
76 shares
-11%
53Moderate
MKLbuy 2
MARKEL CORP
Diane Leopold
director
$269k
150 shares
+7%
47Moderate
MKLbuy 2
MARKEL CORP
A. Lynne Puckett
director
$102k
57 shares
+4%
37Weak
MKLsell
MARKEL CORP
Simon Wilson
EVP and CEO, Markel Insurance
$208k
100 shares
-4%
18Weak
MKLsell 210b5-1
MARKEL CORP
Steven A Markel
director
$357k
170 shares
-0%
44Moderate
MKLsell 2
MARKEL CORP
Simon Wilson
CEO, Markel Insurance
$155k
75 shares
-4%
31Weak
MKLsell
MARKEL CORP
Meade P. Grandis
CAO and Controller
$149k
75 shares
-21%
39Weak
MKLsell 2
MARKEL CORP
Greta J Harris
director
$168k
90 shares
-12%
21Weak
MKLbuy
MARKEL CORP
Lawrence A Cunningham
director
$46k
25 shares
+3%
45Moderate
MKLsell 2
MARKEL CORP
Meade P. Grandis
CAO and Controller
$765k
400 shares
-9%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Steven A Markel sold $2.8M of MKL | InsiderTell