SIBOLD WILLIAM JOHN

PrivateCIK: 1518611
Location

WEST CONSHOHOCKEN, PA

SIBOLD WILLIAM JOHN (President and CEO) sold 1.6% of their position (2.40K shares) of MADRIGAL PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $1.38M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSIBOLD WILLIAM JOHNCIK 1518611
DirectorOfficer· President and CEO
Since Mar 2026
-2.40K
Net shares
Net seller
$1.38M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
50K acquired · 52.40K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+50K

Price / share

Trade value

% of position

48.8%
12/3/2025
102.47K152.47K

Common Stock

Direct
S · Sale

Shares

2.40K

Price / share

$575.34

Trade value

$1.38M

% of position

1.6%
12/4/2025
152.47K150.07K
Total

Net shares

+47.60K

Net value

-$1.38M

Derivative Transactions1

Performance Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

50K shares

Shares

50K

Strike price

Held after

0.00

Exercisable

12/3/2025
SIBOLD WILLIAM JOHN — Insider Transaction (Form 4) Filed Dec 4, 2025 | Finecho