Sibold William John sold MDGL
September 9, 2026 · Form 4 insider transaction
Sibold William John sold 644 shares of Madrigal Pharmaceuticals, Inc. at $535.27 per share, a transaction worth $344.7K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
644
Price
$535.27
Total value
$344.7K
InsiderSibold William John
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 9, 2026
Filing dateSeptember 11, 2026
Shares owned after206,409
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
This sale represents the number of shares sold by the Issuer on behalf of the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was automatic and not at the discretion of the Reporting Person.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $534.63 to $535.62, inclusive.