Gridwiz CEO Ryu Jun-woo increases stake to 4.31% via on-market purchase, signaling management confidence


  • Ryu Jun-woo, CEO and registered director of Gridwiz, acquired 4,700 common shares on May 28, 2026 via on-market purchase at 21,100 won per share.
  • His stake increased from 337,500 shares (4.25%) to 342,200 shares (4.31%), a slight increase of 0.06%.
  • The purchase price of 21,100 won is 8.7% above the current market price of 19,410 won, indicating management's confidence in the company's undervaluation and commitment to responsible management.
  • [AI Comprehensive Analysis]This insider purchase, though small in size, is a minor positive signal reflecting management's trust in the company's value, and is expected to have a favorable short-term impact on the stock price. However, the change in stake is negligible and does not significantly alter governance stability.

KOSDAQ Filing Information


  • Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: Gridwiz (453450)
  • Submission: Ryu Jun-woo
  • Receipt: 05-28-2026