MakinaRocks Registered Executive Heo Yeong-sin Increases Holdings by 33,496 Shares via Stock Option Exercise, Minimal Dilution and 1-Year Lock-Up


  • MakinaRocks registered executive and CBO Heo Yeong-sin exercised stock options granted pre-IPO on May 29, 2026, acquiring an additional 33,496 common shares at an exercise price of 4,062 KRW, which is 78.7% below the current market price of 19,070 KRW. The acquired shares are subject to a 1-year lock-up period from the listing date.
  • This acquisition increases Heo's total holdings to 120,000 shares representing 0.68% of total outstanding shares of 17,754,736. The incremental 33,496 shares account for only 0.19% of total shares, resulting in negligible dilution with no material impact on existing shareholder value.
  • The transaction is a routine personal exercise of stock options by an insider, unrelated to corporate capital raising or allocation. No governance concerns arise given the lock-up provision and standard insider trading safeguards. Short-term price pressure is limited due to the mandatory holding period.
  • [AI Summary]MakinaRocks insider Heo Yeong-sin acquired 33,496 shares via option exercise with a dilution of only 0.19%, minimal impact on shareholder value. Despite a low exercise price, the 1-year lock-up limits near-term selling risk. This is a routine insider ownership change with no material effect on minority investors.

KOSDAQ Filing Information


  • Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: MakinaRocks (477850)
  • Submission: Heo Yeong-sin

  • Shares: 17,754,736
  • Price: 19,070 KRW
  • Market Cap: 338.6 B KRW