★★★

Seojin System

Largest Shareholder Jeon Dong-gyu Pledges 81.9% of Holdings with Extension; Stake Could Plummet to 3.55% Upon Execution


  • Seojin System's largest shareholder and CEO Jeon Dong-gyu has pledged 10,211,390 shares (81.9% of his holdings) under 13 contracts. This amended disclosure extends the pledge period for four contracts to August 31, 2026.
  • Total pledged amount is 178.19B KRW against total borrowings of 122.82B KRW. If all pledges are executed, his residual stake would shrink to 2,256,898 shares (3.55%), effectively losing control.
  • Contract No. 10 (6,391,345 shares) is a pledge securing the put option of new investors (SJ Value Up and Sistema Jeilcha), linked to bridge loans from Shinhan Investment and Hana Securities.
  • All pledge contracts contain identical default triggers: failure to maintain collateral ratio or provide additional collateral, exposing the shareholder to forced liquidation risk in case of a stock price decline.
  • Investment risk: The largest shareholder's personal financial strain poses a threat to management stability; execution of pledges could trigger massive ownership change and stock overhang.
  • [AI Comprehensive Analysis]The repeated extension of pledge maturities with most shares collateralized indicates severe financial pressure. If pledges are executed, a change in control is inevitable, likely impairing shareholder value. Short-term stock outlook is negative; investors should be cautious of downside risk.

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: 05-29-2026
  • Under KRX KOSDAQ Market Division