Plumb Fast Director Won Yeon-gyeong Acquires 17,800 Shares via Open Market, Stake Rises to 9.43%... Small Purchase Signals Insider Confidence but Limited Price Impact


  • Plumb Fast registered director Won Yeon-gyeong acquired an additional 17,800 common shares through open-market purchases on three occasions between May 22 and May 27, 2026.
  • This purchase increased her stake from 9.25% (900,000 shares) to 9.43% (917,800 shares), a rise of 0.18 percentage points, with a total acquisition value of approximately 60.3 million KRW (average price of 3,389 KRW per share).
  • The purchase prices ranged from 3,273 to 3,485 KRW, slightly above the current market price of 3,270 KRW, reflecting management's view that the stock is undervalued.
  • The small-scale buyback has limited short-term price impact but is seen as a positive signal due to insider confidence. No additional capital raising or change in control is involved.
  • [AI Comprehensive Analysis]The insider's small purchase suggests management confidence, but the increase in stake is only 0.18% of total shares, thus having negligible direct effect on enterprise value. Investors should monitor further stake changes and management plans.

KOSDAQ Filing Information


  • Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: PLUMB FAST (035200)
  • Submission: Won Yeon-gyeong
  • Receipt: 05-29-2026