Form 4: Disc Medicine CMO Sells Shares Under 10b5-1 Plan

Disc Medicine's Chief Medical Officer, William Jacob Savage, sold a total of 13,093 shares of common stock on December 15, 2025, under a pre-arranged 10b5-1 trading plan.

Summary

• William Jacob Savage, Chief Medical Officer of Disc Medicine, Inc. (IRON), reported transactions on December 15, 2025.
• The transactions involved the sale of common stock.
• A total of 13,093 shares were sold across three separate transactions.
• The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on June 26, 2025.
• The shares were sold at weighted average prices of $90.6037, $91.4353, and $92.23.
• Following these transactions, William Jacob Savage beneficially owns 75,702 shares of Disc Medicine common stock.

Sentiment

Score: 5

Explanation: The filing reports a routine insider stock sale executed under a pre-arranged 10b5-1 trading plan, which is generally considered a neutral event. It does not convey positive or negative sentiment about the company's operational or financial performance.

Future Outlook

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

Industry Context

This Form 4 filing details a routine insider stock transaction, which is a common occurrence in publicly traded companies. The use of a Rule 10b5-1 plan indicates a pre-scheduled sale, often for personal financial planning, rather than a reaction to immediate company news or market conditions.

Stakeholder Impact

• Shareholders may note the sale of shares by a key executive, but the pre-arranged nature of the 10b5-1 plan typically mitigates concerns about the executive's confidence in the company's future.

Key Dates

Keywords

Disc Medicine, IRON, Form 4, Insider Trading, Stock Sale, William Jacob Savage, Chief Medical Officer, 10b5-1 Plan