StockCIK 1157601
MADRIGAL PHARMACEUTICALS, INC. (MDGL): Insider Trades and Fund Holdings
In the past 12 months, MADRIGAL PHARMACEUTICALS, INC. insiders reported 0 open-market purchases worth $0 and 3 sales worth $6.58M; 2 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$6.58MSold by insiders, 12 months
1Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 11, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 11 | William John SiboldCEO | ▼ SELL10b5-1 | $3.41M |
| Sep 11 | William John SiboldCEO | ▼ SELL10b5-1 | $2.83M |
| Aug 20 | Shannon T. KelleyGeneral Counsel | ▼ SELL | $342K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| William John Sibold | CEO | 0 | $0 | 2 | $6.24M |
| Shannon T. Kelley | General Counsel | 0 | $0 | 1 | $342K |
Tracked funds that report MDGL
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 45,942 | $24.7M | ▼ −36.1% |
| Bridgewater Associates | 0 | $0 | ▼ Sold out |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →