CEO Jung Jong-seon increases stake in SyntekaBio to 14.61% via open market purchase of 60,000 shares


  • CEO Jung Jong-seon purchased 60,000 common shares of SyntekaBio on June 25 and 26, 2026 at an average price of 1,562 KRW per share via open market transactions.
  • As a result, his total holdings increased to 3,543,710 shares, raising his ownership from 14.36% to 14.61% of total outstanding shares.
  • This insider buying by the largest shareholder and CEO signals confidence in the company's value, potentially serving as a positive market signal.
  • [AI Summary]The voluntary stake increase by the top executive demonstrates management commitment without financial leverage, and may provide downside support. However, the modest increment limits near-term price impact.

KOSDAQ Filing Information


  • Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: SyntekaBio (226330)
  • Submission: Jongseon Jeong

  • Shares: 24,258,475
  • Price: 1,573 KRW
  • Market Cap: 38.2 B KRW