Form 4: Disc Medicine CMO Exercises Stock Options

Disc Medicine's Chief Medical Officer, William Jacob Savage, exercised stock options to acquire common stock.

Summary

• William Jacob Savage, Chief Medical Officer of Disc Medicine, Inc. (IRON), acquired a total of 3,143 shares of common stock through the exercise of stock options on December 22, 2025.
• The transactions involved exercising options for 2,825 shares at $9.86 per share, 219 shares at $9.86 per share, and 99 shares at $13.50 per share.
• Following these transactions, Mr. Savage directly beneficially owns 78,845 shares of common stock.
• The exercised options for 2,825 and 219 shares were fully vested and exercisable as of the date of the filing.
• The exercised option for 99 shares vests in 48 equal monthly installments following December 29, 2022, contingent on continued service.

Sentiment

Score: 6

Explanation: The exercise of stock options by a Chief Medical Officer is generally a neutral to slightly positive signal, indicating an insider is increasing their stake, which can be interpreted as confidence in the company. However, it's a routine compensation event and not indicative of significant operational news.

Positives

• An insider, the Chief Medical Officer, is increasing their direct ownership in the company, which can be seen as a sign of confidence in the company's future prospects.
• The exercise prices ($9.86 and $13.50) provide a benchmark for the cost basis of these shares for the insider.

Future Outlook

This Form 4 filing does not contain forward-looking statements or guidance regarding the company's future performance or strategic direction, as it is solely a report of insider transactions.

Industry Context

Insider transactions, such as option exercises, are common in the biotechnology and pharmaceutical industries as a form of executive compensation. While this filing reports an individual's equity activity, it does not provide broader industry context or competitive analysis.

Comparison to Industry Standards

• This Form 4 filing reports standard insider equity transactions and does not contain information that allows for a direct comparison of company results or projects against global industry benchmarks or specific comparable companies.

Stakeholder Impact

• Shareholders: Increased insider ownership may be viewed positively as a sign of management's alignment with shareholder interests.
• Employees: The vesting schedule for some options highlights ongoing employee retention mechanisms.

Key Dates

Recommendation

This Form 4 filing reports routine insider stock option exercises by the Chief Medical Officer. While an increase in insider ownership can be a positive signal, it is a standard compensation event and does not provide new fundamental information about the company's operational performance, strategic direction, or financial health that would warrant a change in investment recommendation. Investors should consider this information in the broader context of the company's financial reports and market conditions.

Keywords

Disc Medicine, IRON, Form 4, Insider Trading, Stock Options, Beneficial Ownership, Chief Medical Officer, William Jacob Savage, Equity Compensation