• Lee Sung Joo and related parties’ disclosed holdings in Orum Therapeutics fell to 15.79% from 15.85% as of Oct. 21, 2026.
• Total holdings declined by 12,837 to 3,711,612 shares and share equivalents, reflecting an executive departure despite Lee’s purchase of 10,000 shares.
• Voting-share ownership rose to 15.24% from 15.22%.

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. Orum Therapeutics Inc. published the original content used to generate this news brief via DART, the regulatory disclosure system operated by the South Korea Financial Supervisory Service (FSS) (Ref. ID: 20261021000236), on October 21, 2026, and is solely responsible for the information contained therein.