Stock Pledge Agreement with Potential Change in Largest Shareholder


  • Largest shareholder SORUX Co., Ltd. pledges all 3,948,813 shares (14.67% stake) as collateral for debt of KRW 6.3 billion
  • If pledge is enforced, shareholder's stake becomes 0%, leading to inevitable change in largest shareholder
  • Debtor is the shareholder itself (SORUX), purpose to secure acquisition funds
  • SORUX reported net loss of KRW 7,715 million in 2025, deteriorating financial condition

KOSDAQ Filing Information


  • Filing: Contract for Provision of Share Pledge Involving Change of Largest Shareholder
  • Company: CHA Vaccine Research Institute (261780)
  • Submission: CHA Vaccine Research Institute
  • Receipt: 04-30-2026
  • Under KRX KOSDAQ Market Division