SIBOLD WILLIAM JOHN

PrivateCIK: 1518611
Location

WEST CONSHOHOCKEN, PA

Senior insider sale

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

$4.64M

9.68K shares

What this filing means

SIBOLD WILLIAM JOHN plans to sell 9.68K shares of MADRIGAL PHARMACEUTICALS, INC. valued at approximately $4.64M. 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
9.68K
Shares to sell
$4.64M
Approx. market value
2.40K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months1
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Performance Restricted Stock Unit Grant

Vesting of Performance Restricted Stock Units

12/3/2025
2.40K
Total acquired2.40K
Planned & Completed Dispositions2
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Completed

Completed

Units to sell

7.28K

Market value

$3.24M

9/9/2025

Planned — Approximate Date

Nasdaq Stock MarketPlanned

Units to sell

2.40K

Market value

$1.39M

12/4/2025
Total

Units

9.68K

Value

$4.64M

SIBOLD WILLIAM JOHN — Planned Insider Sale (Form 144) | Finecho