Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
AboutMethodSourcesNewsletter
Insider tradingForm 4

MADRIGAL PHARMACEUTICALS, INC. (MDGL) Insider Trading

3 open-market trades reported since Aug 20, 2026: 0 purchases worth $0 and 3 sales worth $6.58M.

By insider

InsiderRoleBuysBoughtSellsSoldLatest
William John SiboldCEO0$02$6.24MSep 11, 2026
Shannon T. KelleyGeneral Counsel0$01$342KAug 20, 2026
ADVERTISEMENT
728 × 90 ad slot320 × 100 ad slot

All trades

MDGL insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueHolding3 mo. afterFiling
Sep 11Sep 9William John SiboldCEOCEO▼ SELL10b5-16,362535.59$3.41M−3.0%Form 4 ↗
Sep 11Sep 11William John SiboldCEOCEO▼ SELL10b5-15,221542.39$2.83M−2.6%Form 4 ↗
Aug 20Aug 17Shannon T. KelleyGeneral CounselGeneral Counsel▼ SELL664514.97$342K−5.5%Form 4 ↗
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings