Form 4 Filing for Disc Medicine, Inc. - Nicholson Donald William

This filing details a Form 4 submission for Disc Medicine, Inc. (IRON) by reporting owner Donald William Nicholson, a director. On June 18, 2026, Mr. Nicholson acquired 6,212 stock options with a right to buy common stock. The options have an exercise price of $70.79 and expire on June 17, 2036. The underlying shares for these options also total 6,212. These options vest upon the earlier of the Company's 2027 annual meeting or the one-year anniversary of the grant date, contingent upon continued service. Following this transaction, Mr. Nicholson directly owns 6,212 shares.