• Medyssey CEO Sung Kyung Su disclosed a new stake of 300 common shares, equal to 0.008% of outstanding shares.
• The holding followed an on-market purchase settled on Sept. 18, 2026 at 10,397 won per share.

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. Medyssey Co. Ltd. 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: 20260929000421), on September 29, 2026, and is solely responsible for the information contained therein.