Amendment No. 6 to Schedule 13D for Disc Medicine, Inc.

This Amendment No. 6 to Schedule 13D is filed by AI DMI LLC, Access Industries Holdings LLC, Access Industries Management, LLC, and Len Blavatnik (collectively, the 'Reporting Persons') regarding the common stock of Disc Medicine, Inc. The amendment updates the disclosure following an underwritten offering where the Issuer sold 2,619,049 shares of Common Stock at $84.00 per share and 59,523 Pre-Funded Warrants at $83.9999 per warrant. AI DMI LLC also sold 297,619 shares of Common Stock at the same price, with an additional 446,428 shares sold upon the exercise of an option by the underwriters. AI DMI received net proceeds of $58,749,951.12 from the offering. The amendment also includes details of a lock-up agreement restricting the sale of shares by AI DMI and its affiliates for 45 days post-offering, with certain exceptions. The Reporting Persons collectively own 2,814,379 shares of Common Stock and 204,081 Pre-Funded Warrants, representing approximately 8.0% of the Issuer's outstanding shares.