Largest Shareholder Seo Jeong-seon Discloses Extension of Stock Collateral Loans... No Change in 20.13% Stake (Minimal Impact on Existing Shareholders)


  • The reporting person Seo Jeong-seon and six special relations collectively hold 2,182,802 shares (20.13%) of Macrogen, unchanged from the previous report.
  • The filing reason is the extension of stock collateral loan contracts; five collateral agreements with NH Nonghyup Bank and others have been extended.
  • Total pledged shares amount to 958,642 shares, representing 8.84% of total issued shares. This does not involve additional equity dilution or capital raising for the company.
  • [AI Comprehensive Analysis]This disclosure is merely an extension of the largest shareholder's personal collateral loans, causing no direct change to the company's financial structure or management control. Therefore, the impact on the stock price is limited and considered a neutral event.

KOSDAQ Filing Information


  • Filing: Report on Large Shareholding (General)
  • Company: Macrogen (038290)
  • Submission: Seo Jeong-seon
  • Receipt: 05-29-2026