Sibold William John sold MDGL

September 9, 2026 · Form 4 insider transaction

Sibold William John sold 131 shares of Madrigal Pharmaceuticals, Inc. at $527.88 per share, a transaction worth $69.2K. 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
131
Price
$527.88
Total value
$69.2K
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 9, 2026
Filing dateSeptember 11, 2026
Shares owned after209,198
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 $527.49 to $528.27, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and the footnotes below.

View the original Form 4 on SEC EDGAR