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MDGL insider trading — Madrigal Pharmaceuticals, Inc.

Over the last 90 days, insiders at Madrigal Pharmaceuticals, Inc. (MDGL) made 0 open-market purchases worth $0 and 2 open-market sales worth $1.71M, making them net sellers by $1.71M. The largest sale was by Sibold William John (President and CEO), who sold 2,500 shares for $1.37M on Jul 20, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$0
Insider selling · 90d
$1.71M
Net · 90d
−$1.71M
Last 30 days
0B / 0S

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Recent MDGL insider transactions

Every Form 4 filed by Madrigal Pharmaceuticals, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Sep 11, 2026Sibold William JohnPresident and CEOS · Sale · 10b5-1Direct5,221$542.39$2.83MForm 4
Sep 9, 2026Sibold William JohnPresident and CEOS · Sale · 10b5-1Direct6,362$535.59$3.41MForm 4
Aug 17, 2026Kelley Shannon TGeneral CounselS · SaleDirect664$514.97$342KForm 4
Aug 15, 2026Reed John CDirectorA · Grant/awardDirect647——Form 4
Jul 20, 2026Sibold William JohnPresident and CEOS · SaleDirect2,500$547.30$1.37MForm 4
Jul 17, 2026Sibold William JohnPresident and CEOM · Option exerciseDirect50,000——Form 4

MDGL insider trading FAQ

Are insiders buying MDGL stock?

Not on the open market. In the last 90 days, Madrigal Pharmaceuticals, Inc. insiders made no open-market purchases, and 2 open-market sales totaling $1.71M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading MDGL?

Recent sellers: Kelley Shannon T, Sibold William John.

Where does MDGL insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.