Form 4 Tracker
William John Sibold

Director, President and CEO · 2 filings · Latest: Mar 4, 2026

MADRIGAL PHARMACEUTICALS, INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
MDGL
William John SiboldDirector, President and CEOMar 6, 2026
Sale
$431.941,663$718.3K161,829
MDGL
William SiboldMar 6, 2026
Proposed Sale
$439.341,663$730.6K
MDGL
William John SiboldDirector, President and CEOJan 26, 2026
Sale
$492.421,577$776.5K148,497
MDGL
William SiboldJan 26, 2026
Proposed Sale
$480.451,577$757.7K
MDGL
William John SiboldDec 4, 2025
Proposed Sale
$579.892,400$1.4M
MDGL
William John SiboldSep 9, 2025
Proposed Sale
$453.807,279$3.3M
MDGL
WILLIAM SIBOLDAug 21, 2025
Proposed Sale
$391.667,616$3.0M
MDGL
William John SiboldJan 24, 2025
Proposed Sale
$340.141,584$538.8K
MDGL
William John SiboldSep 9, 2024
Proposed Sale
$243.836,363$1.6M