• Tongyang executive Ko Hyun-gu bought 1,000 common shares on Oct. 28, 2026, at 994 won each.
• His holding rose from 12,750 to 13,750 shares, with his stake unchanged at 0.01% as of Nov. 4, 2026.

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. Tongyang 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: 20261104000063), on November 04, 2026, and is solely responsible for the information contained therein.