Bookook Securities Largest Shareholder Kim Jung-geon Slightly Increases Stake to 34.92% via Open Market Purchases


  • Kim Jung-geon, the largest shareholder of Bookook Securities, increased his stake by 1,338 shares or 0.01 percentage points to 34.92% compared to the previous report.
  • The change resulted from open market purchases on July 9 and 10, 2026, at average prices of 54,461 KRW and 55,100 KRW respectively.
  • The purpose of holding is to influence management, but no specific plans for changes in control are currently in place.
  • The acquisition was funded entirely with personal funds of 73,247,020 KRW with no borrowings.
  • [AI Summary]This filing is a routine update confirming a minor stake increase by the largest shareholder, presenting no dilution or control change risk. The impact on shareholder value is negligible, reaffirming stable ownership structure.

KOSPI Filing Information


  • Report on Large Shareholding (General)
  • Company: Bookook Securities (001270)
  • Submission: Kim Jung-geon

  • Shares: 10,369,886
  • Price: 54,100 KRW
  • Market Cap: 561 B KRW