• Disc Medicine CEO John D. Quisel exercised stock options for 34,000 shares at USD 9.86 on June 18, 2026.
• He sold 33,000 shares the same day for about USD 2.32 million at prices averaging roughly USD 69.92, USD 70.7, USD 71.61.
• Directly held common stock position fell to 226,064 shares following the transactions.
• Directly held stock options declined to 41,375 shares after the exercise.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Disc Medicine Inc. i published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-279779), on June 23, 2026, and is solely responsible for the information contained therein.