• RF Systems executive Dae-Ryong Kang increased his stake to 0.17% from 0.1%.
• He purchased 10,000 common shares on October 29, 2026, at 6,760 won per share.
• His holdings totaled 24,602 shares as of November 2, 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. RF Systems 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: 20261102000083), on November 02, 2026, and is solely responsible for the information contained therein.