SIBOLD WILLIAM JOHN

PrivateCIK: 1518611
Location

WEST CONSHOHOCKEN, PA

SIBOLD WILLIAM JOHN (President and CEO) sold 1.0% of their position (1.66K shares) of MADRIGAL PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $718.3K — 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
+32.08K
Net shares
Net buyer
$718.3K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
33.74K acquired · 1.66K disposed
Non-Derivative Transactions2

Common Stock

Direct
A · Award

Shares

+14.99K

Price / share

Trade value

% of position

10.1%
3/4/2026
148.50K163.49K

Common Stock

Direct
S · Sale

Shares

1.66K

Price / share

$431.94

Trade value

$718.32K

% of position

1.0%
3/6/2026
163.49K161.83K
Total

Net shares

+13.33K

Net value

-$718.32K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

18.74K shares

Shares

+18.74K

Strike price

434.80

Held after

18.74K

Exercisable

3/4/2026
SIBOLD WILLIAM JOHN — Insider Transaction (Form 4) Filed Mar 6, 2026 | Finecho