07:47 AM EDT, 10/20/2025 (MT Newswires) -- Disc Medicine ( IRON ) said Monday that a $220 million offering of its common stock and pre-funded warrants was launched.

The company is offering $200 million of the shares, with the rest offered by AI DMI.

The selling stockholder plans to grant a 30-day overallotment option to the underwriters to acquire up to an additional $33 million of the shares.

Disc said it intends to use the net proceeds to support the potential commercialization of bitopertin for erythropoietic protoporphyria and X-linked protoporphyria, among other things.