Jonathan Yen-Wen Yu, Chief Operating Officer, on June 16, 2026, sold 18,612 shares in Disc Medicine (IRON) for $1,287,801. Following the Form 4 filing with the SEC, Yu has control over a total of 54,324 common shares of the company, with 54,324 shares held directly.
SEC Filing:
https://www.sec.gov/Archives/edgar/data/1816736/000119312526275996/xslF345X05/ownership.xml