MADRIGAL PHARMACEUTICALS, INC. insider trading
MDGL$499.40-0.31 (-0.06%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+11.1%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- RTRebecca Taub4.7966%
- PAPaul A. Friedman3.6474%
- FBFred B. Craves1.6601%
- WJWilliam John Sibold0.8559%
- RSRichard S. Levy0.0973%
- CHCarole Huntsman0.0549%
- MDMardi Dier0.0541%
- STShannon T. Kelley0.0497%
- DSDavid Soergel0.0434%
- RERobert E. Waltermire0.0251%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| MDGL | William John Sibold | Open market sell$65.6K | -0.1% | $546.38 | $65.6K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$415K | -0.4% | $544.83 | $415K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$837K | -0.8% | $544.02 | $837K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$652K | -0.6% | $542.60 | $652K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$199K | -0.2% | $541.64 | $199K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$371K | -0.3% | $540.59 | $371K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$86K | -0.1% | $537.62 | $86K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$117K | -0.1% | $535.94 | $117K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$56.6K | -0.1% | $534.06 | $56.6K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$32K | 0.0% | $533.09 | $32K | Sep 11, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$86.8K | -0.1% | $542.55 | $86.8K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$196K | -0.2% | $541.65 | $196K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$273K | -0.3% | $540.19 | $273K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$116K | -0.1% | $539.03 | $116K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$280K | -0.3% | $538.30 | $280K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$344K | -0.3% | $537.17 | $344K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$558K | -0.5% | $536.11 | $558K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$345K | -0.3% | $535.27 | $345K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$212K | -0.2% | $534.20 | $212K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$273K | -0.3% | $533.09 | $273K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$196K | -0.2% | $531.99 | $196K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$277K | -0.3% | $530.23 | $277K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$184K | -0.2% | $529.27 | $184K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | William John Sibold | Open market sell$69.2K | -0.1% | $527.88 | $69.2K | Sep 9, 2026 | Sep 11, 2026 |
| MDGL | Shannon T. Kelley | Open market sell$342K | -5.5% | $514.97 | $342K | Aug 17, 2026 | Aug 20, 2026 |
| MDGL | William John Sibold | Open market sell$155K | -0.1% | $555.05 | $155K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$551 | 0.0% | $550.72 | $551 | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$84.2K | -0.1% | $550.01 | $84.2K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$25.8K | 0.0% | $548.87 | $25.8K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$372K | -0.3% | $547.70 | $372K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$147K | -0.1% | $547.08 | $147K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$150K | -0.1% | $545.71 | $150K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$297K | -0.3% | $544.71 | $297K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$59.8K | -0.1% | $543.79 | $59.8K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | William John Sibold | Open market sell$76K | -0.1% | $542.75 | $76K | Jul 20, 2026 | Jul 20, 2026 |
| MDGL | David Soergel | Open market sell$517K | -9.4% | $495.74 | $517K | Jun 1, 2026 | Jun 1, 2026 |
| MDGL | Richard S. Levy | Open market sell$41.6K | -0.4% | $519.98 | $41.6K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$406K | -3.4% | $518.76 | $406K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$775K | -6.1% | $517.59 | $775K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$374K | -2.9% | $516.87 | $374K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$339K | -2.6% | $515.92 | $339K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$177K | -1.3% | $514.67 | $177K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$20.5K | -0.2% | $512.97 | $20.5K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$225K | -1.7% | $512.50 | $225K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$312K | -2.2% | $511.40 | $312K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$77.1K | -0.6% | $510.36 | $77.1K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$163K | -1.2% | $508.24 | $163K | May 22, 2026 | May 22, 2026 |
| MDGL | Richard S. Levy | Open market sell$20.3K | -0.1% | $506.68 | $20.3K | May 22, 2026 | May 22, 2026 |
| MDGL | David Soergel | Open market sell$435K | -7.1% | $515.90 | $435K | May 18, 2026 | May 18, 2026 |
| MDGL | Mardi Dier | Open market sell$17.5K | -0.3% | $437.65 | $17.5K | Mar 6, 2026 | Mar 6, 2026 |