CEO Seongho Yoon Reports 10.40% Stake in MakinaRocks After IPO... Initial Disclosure


  • CEO Seongho Yoon reported for the first time holding 1,824,000 common shares (10.40% stake) of MakinaRocks as of May 26, 2026
  • The stake was acquired due to the new listing on May 20, 2026, with no separate transaction details or price
  • The filer is a registered executive and a major shareholder with over 10% stake; this is the initial ownership report after listing
  • [AI Comprehensive Analysis]This disclosure is a routine ownership report following the IPO, with neutral impact on shareholder value; no additional capital raising or dilution issues

KOSDAQ Filing Information


  • Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: MakinaRocks (477850)
  • Submission: Seongho Yoon
  • Receipt: 05-28-2026