SIBOLD WILLIAM JOHN

PrivateCIK: 1518611
Location

WEST CONSHOHOCKEN, PA

Senior insider sale

President and CEO at MADRIGAL PHARMACEUTICALS, INC. — senior position signals high conviction

$1.38M

2.50K shares

What this filing means

SIBOLD WILLIAM JOHN plans to sell 2.50K shares of MADRIGAL PHARMACEUTICALS, INC. valued at approximately $1.38M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderSIBOLD WILLIAM JOHNCIK 1518611
DirectorOfficer· President and CEO
Since Mar 2026
2.50K
Shares to sell
$1.38M
Approx. market value
2.50K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Sort

Performance Restricted Stock Unit Grant

Vesting of Performance Restricted Stock Units

7/17/2026
2.50K
Total acquired2.50K
Planned & Completed Dispositions1
Sort
Nasdaq Stock MarketPlanned

Units to sell

2.50K

Market value

$1.38M

7/20/2026
Total

Units

2.50K

Value

$1.38M