Report on Specific Securities Holdings by Executives/Major Shareholders (No Change)


  • Submission of report on specific securities holdings by executives and major shareholders
  • No change in quantity or ratio of specific securities compared to previous report
  • No material change in total outstanding shares or ownership status as of report date

KOSDAQ Filing Information


  • Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: Mason Capital (021880)
  • Submission: Seong Ji-yong
  • Receipt: 05-14-2026