Form 4: Madrigal CEO Sells Shares for Tax Obligations

Madrigal Pharmaceuticals' President and CEO, William John Sibold, sold 1,577 shares of common stock to cover tax withholding obligations related to restricted stock unit vesting.

Summary

• William John Sibold, President and CEO, and a Director of Madrigal Pharmaceuticals, Inc. (MDGL), reported a transaction.
• On January 26, 2026, Sibold disposed of 1,577 shares of common stock.
• The shares were sold at a price of $492.42 per share.
• This sale was executed to cover tax withholding obligations in connection with the vesting of restricted stock units.
• The sale was automatic and not at the discretion of the Reporting Person.
• Following this transaction, Sibold beneficially owns 148,497 shares of common stock directly.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary sale of shares to cover tax withholding obligations associated with the vesting of restricted stock units, which is a common practice for executives. It does not indicate a change in management's confidence or the company's prospects.

Positives

• The sale was non-discretionary and solely for the purpose of covering tax withholding obligations related to restricted stock unit vesting, indicating it was not a voluntary sale based on a change in outlook.

Negatives

• A reduction of 1,577 shares in direct beneficial ownership by a key executive, even if for tax purposes, slightly decreases insider alignment.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Management Comments

• The sale represents the number of shares sold by the Issuer on behalf of the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units.
• This sale was automatic and not at the discretion of the Reporting Person.

Industry Context

Insider transactions, particularly non-discretionary sales for tax purposes related to equity compensation, are a routine occurrence for executives in publicly traded companies across all industries. This type of transaction is a standard part of executive compensation and tax planning.

Stakeholder Impact

• Shareholders: Minimal impact as the sale was non-discretionary and for tax purposes, not indicative of a change in executive confidence. It represents a minor reduction in direct insider ownership.

Key Dates

Recommendation

The transaction is a non-discretionary sale of shares to cover tax obligations upon the vesting of restricted stock units, which is a common occurrence for executives. It does not reflect a change in management's outlook or confidence in the company's future, thus not warranting a change in investment recommendation based solely on this filing.

Keywords

MDGL, Madrigal Pharmaceuticals, William John Sibold, Insider Transaction, Form 4, Stock Sale, CEO, Restricted Stock Units, Tax Withholding