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MDGLMadrigal Pharmaceuticals, Inc.

William Sibold

President and CEO, Director at Madrigal Pharmaceuticals, Inc., as of Sep 11, 2026Sold $10.5M of stock in the past 12 months: 60% under a disclosed plan and 40% to cover taxes.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
198K
shares held after the latest filing, Madrigal Pharmaceuticals, Inc.
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
20K
shares sold, past 12 months
6
days with sales
$3.4M
largest single day, Sep 9, 2026
1
company filed for

Share of stake sold at Madrigal Pharmaceuticals, Inc. is not shown: most of their shares vested during the period, so a percentage would mislead. Why

Selling by month

Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planTo cover taxesOne dollar scale for every month; the tallest bar is labeled
OctNovDec 2025: $1.4M to cover taxesDecJan 2026: $777K to cover taxesJanFebMar 2026: $718K to cover taxesMarAprMayJunJul 2026: $1.4M to cover taxesJulAugSep 2026: $6.2M under a disclosed plan$6.2MSepOct

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Madrigal Pharmaceuticals, Inc. (MDGL)President and CEO, DirectorSep 13, 2023Sep 11, 2026

Recent filings

The last 5 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.