Atlas Venture Opportunity Fund I, L.P. Sells Common Stock of Disc Medicine, Inc.

Atlas Venture Opportunity Fund I, L.P. has filed a notice of sale of 22,160 shares of common stock in Disc Medicine, Inc. The shares were acquired on May 1, 2020, through a private placement. The notice, signed by Ommer Chohan, was filed on October 15, 2025. The aggregate market value of the shares sold is approximately $1,617,680. The sale was executed through Merrill Lynch on the Nasdaq exchange. Additionally, the filing details numerous transactions of common stock by Atlas Venture Opportunity Fund I, L.P. and Atlas Venture Fund X, L.P. over the past three months, with significant sales occurring in July, August, and October 2025. These transactions highlight a substantial divestment of shares in Disc Medicine, Inc. by the Atlas Venture entities.