Mezzion CEO Donghyun Park Increases Stake via Open Market Purchases but Ownership Percentage Decreases Due to Share Dilution


  • Mezzion CEO and major shareholder Donghyun Park increased his holdings from 1,848,290 shares to 1,849,961 shares as of June 30, 2026, a net increase of 1,671 shares.
  • The shares were acquired through open market purchases at an average price of 59,557 won, slightly below the current market price of 60,700 won.
  • Despite the insider buying, his ownership ratio declined from 6.25% to 6.09% due to an increase in total outstanding shares, signaling potential dilution for existing shareholders.
  • This is a routine ownership change report for executives and major shareholders, with no accompanying capital raising or dividend policy changes disclosed.
  • [AI Summary]The CEO's open market purchases are a positive signal, but the small scale and the decrease in ownership percentage due to share issuance warrant caution. The near-term price impact is limited, and this is a standard periodic disclosure without capital structure changes.

KOSDAQ Filing Information


  • Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: Mezzion Pharma (140410)
  • Submission: Donghyun Park

  • Shares: 30,392,167
  • Price: 60,700 KRW
  • Market Cap: 1,844.8 B KRW