Welcome to our dedicated page for Disc Medicine SEC filings (Ticker: IRON), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Disc Medicine filings document the regulatory and financial record of a clinical-stage biopharmaceutical company developing hematologic disease therapies. Its Form 8-K disclosures cover quarterly and annual financial results, corporate updates, clinical-program materials for bitopertin, DISC-0974 and DISC-3405, and FDA communications related to the bitopertin New Drug Application for erythropoietic protoporphyria.
The filing record also includes proxy materials covering board matters, executive compensation and shareholder voting items. Material-event reports describe Regulation FD presentations, operating runway disclosures, restructuring actions following regulatory developments, and risk-related statements around clinical trials, regulatory pathways, research spending and capital resources.
IRON notice of proposed sale: a Form 144 lists a proposed sale of 10,000 shares of Common Stock on 06/22/2026 tied to an exercise of stock options. The filing also discloses a 10b5-1 sale by Jonathan Yu of 18,612 shares on 06/16/2026 for $1,287,800.28.
Disc Medicine, Inc. Chief Operating Officer Yu Jonathan Yen-Wen reported option exercises and related share sales. On June 16, 2026, he exercised stock options for a total of 18,612 shares of common stock at an exercise price of $9.86 per share and sold 18,612 shares in open-market transactions. The sales occurred at weighted average prices of about $68.76 and $69.92 per share, within ranges from $68.37 to $70.19. The filing states these trades were executed under a pre-arranged Rule 10b5-1 trading plan, indicating they were scheduled in advance rather than timed discretionarily.
Disc Medicine reported a larger quarterly loss as it accelerates clinical development. For the three months ended March 31, 2026, net loss was $63.5 million (vs. $34.1 million), or $1.65 per share. Research and development rose to $45.9 million, driven by the DISC‑3405 program, milestones and higher headcount, while selling, general and administrative expenses increased to $23.6 million as the company builds commercial capabilities.
Disc ended the quarter with $730.2 million in cash, cash equivalents and marketable securities and expects this to fund operations and debt obligations into 2029. The pipeline includes Phase 3 bitopertin in erythropoietic porphyrias, DISC‑0974 in anemia of myelofibrosis and inflammatory bowel disease, and DISC‑3405 in polycythemia vera and sickle cell disease.
Disc Medicine, Inc. reported first quarter 2026 results showing increased investment in its hematology pipeline and a larger net loss, supported by a strong cash position. Cash, cash equivalents, and marketable securities were $730.2 million as of March 31, 2026, expected to fund operations into 2029.
Research and development expenses rose to $45.9 million and selling, general and administrative expenses to $23.6 million, reflecting expanded clinical activity and commercialization preparation. Net loss widened to $63.5 million or $1.65 per share. Operationally, the company completed enrollment in its Phase 3 APOLLO bitopertin trial in EPP and advanced multiple Phase 1/2 studies, with several data readouts anticipated in late 2026.
Disc Medicine, Inc. is asking stockholders to vote at its 2026 virtual annual meeting on June 18, 2026, held via live webcast. Holders of 38,199,089 shares of common stock as of April 22, 2026 may vote.
Stockholders will elect three Class III directors to terms ending in 2029, cast an advisory vote on executive compensation, and ratify Ernst & Young LLP as independent auditor for 2026. The board recommends voting FOR all three proposals.
The proxy describes Disc’s Nasdaq-aligned governance practices, majority-independent board, and fully independent key committees. It explains a performance-focused pay program where most executive compensation is at risk, annual bonuses were funded at 145% of target for 2025, and long-term incentives are delivered via stock options and RSUs.
Disc Medicine, Inc. Chief Medical Officer William Jacob Savage reported open-market sales of company stock. On April 13, 2026, he sold 3,531 shares of common stock at a weighted-average price of $66.1209 per share and a further 2,200 shares at $66.8073 per share, totaling 5,731 shares sold.
The filing states these transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted on October 2, 2025. After the sales, he continued to hold 79,480 shares of Disc Medicine common stock directly.