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sellWeak

William John Sibold sold $1.4M of MDGL

President and CEO at MADRIGAL PHARMACEUTICALS, INC.. 2,500 shares at an average of $547.30, traded Jul 20, 2026, filed Jul 20, 2026.

Warning score
35
Value
$1.4M
2,500 shares
Holdings after
209,329
-1% from before
From 52-week low
+85%
low $289.88, close $535.69
From 52-week high
-11%
high $602.83, as of Jul 20, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $1.4M at market
    +25
  • Share of holdings sold
    Sold 1.2% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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.

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.

MDGLOct 12, 2026 · close 467.16
Since filing Jul 20, 2026: -12.8%SPY +5.1% · excess -17.9%

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 0001628280-26-048919, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 17, 2026MOption exercise
Common Stock
+50,000--211,829Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-140$542.75$76k211,689Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-110$543.79$60k211,579Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-545$544.71$297k211,034Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-275$545.71$150k210,759Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-269$547.08$147k210,490Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-680$547.70$372k209,810Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-47$548.87$26k209,763Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-153$550.01$84k209,610Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-1$550.72$551209,609Jul 20, 2026
Jul 20, 2026SOpen-market sale
Common Stock
-280$555.05$155k209,329Jul 20, 2026
Jul 17, 2026MOption exercise
Performance Restricted Stock Unitsderivative
-50,000$0.00$00Jul 20, 2026

Related signals

Other insiders at MADRIGAL PHARMACEUTICALS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
30Weak
MDGLsell10b5-1
MADRIGAL PHARMACEUTICALS, INC.
William John Sibold
President and CEO
$6.2M
11,583 shares
-6%
30Weak
MDGLsell
MADRIGAL PHARMACEUTICALS, INC.
Shannon T Kelley
General Counsel
$342k
664 shares
-5%
21Weak
MDGLsell 210b5-1
MADRIGAL PHARMACEUTICALS, INC.
David Soergel
Chief Medical Officer
$517k
1,042 shares
-9%
33Weak
MDGLsell 210b5-1
MADRIGAL PHARMACEUTICALS, INC.
Richard S Levy
director
$2.9M
5,682 shares
-21%
40Moderate
MDGLsell 2
MADRIGAL PHARMACEUTICALS, INC.
David Soergel
Chief Medical Officer
$435k
844 shares
-7%
45Moderate
MDGLsell 510b5-1
MADRIGAL PHARMACEUTICALS, INC.
Mardi Dier
EVP and CFO
$854k
1,982 shares
-14%
42Moderate
MDGLsell 5
MADRIGAL PHARMACEUTICALS, INC.
Carole Huntsman
Chief Commercial Officer
$181k
419 shares
-3%
41Moderate
MDGLsell 5
MADRIGAL PHARMACEUTICALS, INC.
Shannon T Kelley
General Counsel
$155k
360 shares
-3%
42Moderate
MDGLsell 5
MADRIGAL PHARMACEUTICALS, INC.
Rebecca Taub
Pres., R&D, and CMO
$212k
491 shares
-0%
61Notable
MDGLsell 5
MADRIGAL PHARMACEUTICALS, INC.
William John Sibold
President and CEO
$718k
1,663 shares
-1%

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.

William John Sibold sold $1.4M of MDGL | InsiderTell