Non-registered Executive Han Ki-woo Exercises Stock Options, Boosts Stake from 0.59% to 1.24%... Signals Management Confidence


  • Vice Chairman Han Ki-woo (non-registered executive) exercised stock options on May 22, 2026, acquiring 100,000 common shares at KRW 3,506 per share.
  • This increased his specific securities (shares) holdings from 79,800 to 179,800 shares, raising his stake by 0.65%p from 0.59% to 1.24%.
  • The exercise price (KRW 3,506) is 73% below the current market price (KRW 13,020), indicating potential profit but signaling long-term holding intent, a positive sign.
  • [AI Comprehensive Analysis]This stake increase, akin to a small share buyback by management, reflects confidence and may positively impact short-term share price. However, the low stake limits influence on control.

KOSDAQ Filing Information


  • Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: RF Systems (474610)
  • Submission: Han Ki-woo
  • Receipt: 05-28-2026