Largest Shareholder Jeon Dong-gyu Pledges 81.9% of Holdings, Partial Debt Repayment of 122.8B Won


  • Largest shareholder Jeon Dong-gyu (19.59% stake) has pledged 10,211,390 of his 12,468,288 shares (81.9%) under 13 contracts; if all pledges are enforced, his stake would drop to 3.55%.
  • Total debt decreased from 187.1B won to 122.8B won (amendment reason: partial repayment of secured debt), and total pledge amount reduced from 255.3B won to 178.1B won.
  • To secure the put option of new investors (SJ Value Up Co., and Sistema Jeilcha Co.), 6,391,345 shares (pledge amount 77.1B won) are subject to a mortgage pledge.
  • Pledge enforcement conditions include failure to maintain collateral ratio or provide additional payments; default could result in loss of largest shareholder status.
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KOSDAQ Filing Information


  • Filing: [Correction of Description] Execution of Stock Pledge Agreement Involving Change of Largest Shareholder
  • Company: Seojin System (178320)
  • Submission: Seojin System Co., Ltd.
  • Receipt: 05-21-2026
  • Under KRX KOSDAQ Market Division