Osteonic Director Lee Jun Gyu’s Shareholding Rises to 51,250 Shares

• Osteonic director Lee Jun Gyu increased his common shareholding by 10,000 shares to 51,250 on Oct. 23, 2026.
• His shareholding represented 0.24% as of Oct. 29, down from 0.34% in the previous disclosure.
• The acquisition price was 3,181 won per share. Total holdings of shares and other specified securities remained unchanged at 51,250.

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. Osteonic 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: 20261029000490), on October 29, 2026, and is solely responsible for the information contained therein.