Sibold William John sold MDGL
September 11, 2026 · Form 4 insider transaction
Sibold William John sold 687 shares of Madrigal Pharmaceuticals, Inc. at $540.59 per share, a transaction worth $371.4K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Disposed (sell-side)
Shares
687
Price
$540.59
Total value
$371.4K
InsiderSibold William John
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 11, 2026
Filing dateSeptember 11, 2026
Shares owned after201,736
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
These sales were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2026.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $539.97 to $540.90, inclusive.