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Sibold William John

President and CEO · 2 recent trades · Sold $7.6M

Sibold William John (President and CEO) has 2 recent open-market trades disclosed in SEC Form 4 filings. Total sells: $7.6M. Most recent tickers: MDGL.

DateStock ActionValue
2026-09-11 MDGL MADRIGAL PHARMACEUTICALS, INC. Sell $6.2M
2026-07-20 MDGL MADRIGAL PHARMACEUTICALS, INC. Sell $1.4M

Open-market insider buys and sells disclosed by Sibold William John in SEC Form 4 filings (excludes routine option/RSU administration). All insider trades →

Related ▾
MDGL stockAll insider trades
FAQ ▾

Which stocks has Sibold William John traded?

Recent Form 4 activity in: MDGL.

How many insider trades has Sibold William John disclosed?

2 recent open-market transactions on file (SEC Form 4).

Is Sibold William John buying or selling?

Sells total $7.6M.

Where does this data come from?

SEC Form 4 insider-transaction filings (open-market buys and sells).

Sourced from SEC Form 4 insider filings · Not investment advice ▾
SEC EDGAR Form 4
Data as of 2026-09-11 · Methodology
Open-market insider transactions (Form 4 codes P/S) as reported to the SEC.
Published by WealthFile · Not investment advice.