Greedy Insider
MDGL Insider Trades and Greediness Scores
MADRIGAL PHARMACEUTICALS, INC. (MDGL) insider trades: since Nov 21, 2025, Greedy Insider recorded 0 open-market buys and 177 sales on Form 4 from 8 insiders. The strongest recent filing scored 92 (Strong).
Who bought and who sold
Across the last 177 scoreable Form 4 transactions in MDGL, 0 were open-market purchases and 177 were sales. The table lists the most recent filings with each one's Greediness Score, so the structurally unusual trades are easy to spot first.
| Insider | Role | Type | Shares | Date | Score | ||
|---|---|---|---|---|---|---|---|
| Sibold William John | President | Sell | 60.0 | 31985.479 | 2026-09-11 | 63 | View |
| Sibold William John | President | Sell | 120.0 | 65565.2 | 2026-09-11 | 63 | View |
| Sibold William John | President | Sell | 106.0 | 56610.68 | 2026-09-11 | 63 | View |
| Sibold William John | President | Sell | 218.0 | 116835.68 | 2026-09-11 | 66 | View |
| Sibold William John | President | Sell | 160.0 | 86018.8 | 2026-09-11 | 64 | View |
| Sibold William John | President | Sell | 687.0 | 371382.38 | 2026-09-11 | 75 | View |
| Sibold William John | President | Sell | 368.0 | 199324.36 | 2026-09-11 | 70 | View |
| Sibold William John | President | Sell | 1202.0 | 652209.06 | 2026-09-11 | 79 | View |
| Sibold William John | President | Sell | 1539.0 | 837252.94 | 2026-09-11 | 81 | View |
| Sibold William John | President | Sell | 761.0 | 414616.16 | 2026-09-11 | 75 | View |
The strongest recent filing
Dier Mardi (EVP and CFO) sold 1,183 shares of MADRIGAL PHARMACEUTICALS, INC. on Mar 2, 2026, a filing that scored 92 (Strong). It scored Strong because a senior insider was trading and it was direct personal ownership. The score describes the filing, not future returns. This is not investment advice.
Cluster activity
A cluster buy is present: 5 insiders (Dier Mardi, Sibold William John, Kelley Shannon T, Huntsman Carole) traded MDGL the same direction within a 7-day window. Shared conviction is a stronger structural signal than a lone trade.
How this compares with MADRIGAL PHARMACEUTICALS, INC.'s own history
Open-market buys make up 0% of the 177 scoreable MDGL transactions on record between Nov 21, 2025 and Sep 11, 2026. Comparing a filing with the company's own buy/sell mix is how you tell a routine disposal from an unusual accumulation.
Methodology and sources
Scores come from six published, user-adjustable factors (insider role, cluster activity, trade size versus the insider's own history, position impact, filing urgency, and direct versus indirect ownership). The score describes the filing, not future returns. This is not investment advice.
Key facts
- Scoreable Form 4 transactions on record: 177
- Open-market buys: 0
- Sales: 177
- Distinct insiders: 8
- Strongest recent Greediness Score: 92 (Strong)
Primary sources
Related
- Strongest filing
- MDGL in the live feed
- How the Greediness Score works
- What is a cluster buy?
- Form 4 transaction codes
The score describes the filing, not future returns. This is not investment advice.