SEC Filing Summary for Disc Medicine, Inc.

John D. Quisel, Chief Executive Officer and Director of Disc Medicine, Inc. (IRON), reported a transaction on September 15, 2026. He acquired 36,000 shares of Common Stock at a price of $1.01 per share, increasing his post-transaction holdings to 262,064 shares. Concurrently, he exercised a stock option to buy 36,000 shares of Common Stock, with the underlying shares valued at $0.00, resulting in 150,120 shares from this option post-exercise. The option, with an exercise price of $1.01, is set to expire on March 10, 2030, and the underlying shares are fully vested. This filing, Form 4, indicates a change in beneficial ownership.