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sellModerate cluster of 510b5-1 plan

Mardi Dier sold $854k of MDGL

EVP and CFO at MADRIGAL PHARMACEUTICALS, INC.. 1,982 shares at an average of $430.87, traded Mar 6, 2026, filed Mar 6, 2026.

Warning score
45
Value
$854k
1,982 shares
Holdings after
12,490
-14% from before
From 52-week low
+62%
low $267.56, close $432.83
From 52-week high
-28%
high $602.83, as of Mar 6, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $854k at market
    +23
  • Share of holdings sold
    Sold 14% of holdings
    +5
  • Cluster
    5 insiders selling within 14 days
    +15
  • 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 +26.4%, 3m +12.5%, 6m +25.0%.

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 Mar 6, 2026: +7.9%SPY +16.6% · excess -8.7%

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 0001628280-26-015775, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 4, 2026AGrant or award
Common Stock10b5-1
+5,215$0.00$014,472Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-646$431.94$279k13,826Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-40$425.08$17k13,786Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-420$426.86$179k13,366Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-80$427.85$34k13,286Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-160$429.00$69k13,126Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-40$429.58$17k13,086Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-120$430.90$52k12,966Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-116$432.56$50k12,850Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-160$434.20$69k12,690Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-80$435.32$35k12,610Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-80$436.69$35k12,530Mar 6, 2026
Mar 6, 2026SOpen-market sale
Common Stock10b5-1
-40$437.65$18k12,490Mar 6, 2026
Mar 4, 2026AGrant or award
Stock Option (Right to Buy)derivative10b5-1
+6,519$0.00$06,519Mar 6, 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%
35Weak
MDGLsell
MADRIGAL PHARMACEUTICALS, INC.
William John Sibold
President and CEO
$1.4M
2,500 shares
-1%
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%
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.

Mardi Dier sold $854k of MDGL | InsiderTell