William John Sibold sold $3.0M of MDGL
President and CEO at MADRIGAL PHARMACEUTICALS, INC.. 7,616 shares at an average of $400.18, traded Aug 21, 2025, filed Aug 21, 2025.
Score components
- +25RoleCEO
- +25Trade size$3.0M at market
- 0Share of holdings soldSold 6.5% of holdings
- +15Cluster5 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
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 +8.1%, 3m +33.2%, 6m +7.3%.
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.
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 0001518611-25-000007, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 21, 2025 | SOpen-market sale Common Stock10b5-1 | -6,485 | $400.03 | $2.6M | 110,884 | Aug 21, 2025 |
| Aug 21, 2025 | SOpen-market sale Common Stock10b5-1 | -1,131 | $401.00 | $454k | 109,753 | Aug 21, 2025 |
Related signals
Other insiders at MADRIGAL PHARMACEUTICALS, INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | 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 | MADRIGAL PHARMACEUTICALS, INC. | David Soergel Chief Medical Officer | $517k 1,042 shares | -9% | |
| 33Weak | MADRIGAL PHARMACEUTICALS, INC. | Richard S Levy director | $2.9M 5,682 shares | -21% | |
| 40Moderate | MADRIGAL PHARMACEUTICALS, INC. | David Soergel Chief Medical Officer | $435k 844 shares | -7% | |
| 45Moderate | MADRIGAL PHARMACEUTICALS, INC. | Mardi Dier EVP and CFO | $854k 1,982 shares | -14% | |
| 42Moderate | MADRIGAL PHARMACEUTICALS, INC. | Carole Huntsman Chief Commercial Officer | $181k 419 shares | -3% | |
| 41Moderate | MADRIGAL PHARMACEUTICALS, INC. | Shannon T Kelley General Counsel | $155k 360 shares | -3% | |
| 42Moderate | MADRIGAL PHARMACEUTICALS, INC. | Rebecca Taub director | $212k 491 shares | -0% |
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.