Large Shareholding Report Filed for Management Influence - Stake Change Due to Capital Reduction


  • The reporter, a corporation with total assets of KRW 160.058 billion, filed this report for the purpose of influencing management.
  • The issuer executed a capital reduction on April 15, 2026, adjusting the number of shares, resulting in a change in the reporter's stake.
  • The reporter's largest shareholder is Aprogen Co., Ltd. (stake 31.61%), with special relations including G Base Co., Ltd., Apton Inc. (formerly Apt Neuroscience), and Jade New Technology Fund No. 79.
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KOSPI Filing Information


  • Filing: Report on Large Shareholding (General)
  • Company: Aprogen Biologics (003060)
  • Submission: Aprogen, Inc.
  • Receipt: 05-08-2026