• Biotoxtech controlling shareholder Kang Jong Koo raised his stake to 3,903,385 shares, or 24.3%, from 3,900,685 shares, or 24.29%.
• The increase followed open-market purchases totaling 2,700 shares, with the reporting obligation triggered on Sept. 16, 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. Biotoxtech 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: 20260923000096), on September 23, 2026, and is solely responsible for the information contained therein.