Largest shareholder Yeon Je-ryang slightly reduces stake from 33.58% to 33.24%... No plans for management change


  • Total stake of largest shareholder Yeon Je-ryang and 15 special relations decreased by 0.34%p to 33.24% (11,251,593 shares) compared to the previous report (May 15, 2025).
  • The decrease resulted from open-market sales by Yeon Je-ryang (19,000 shares in August 2025, approx. 120M KRW) and special relations Kim Woo-hyun (75,000 shares) and Kim Jong-soo (12,000 shares).
  • Joint ownership agreements (for concerted voting) are in place with 14 entities, covering 21.62% (7,316,637 shares). However, Kim Woo-hyun sold all his shares, terminating his agreement.
  • The reporter stated no specific plans to influence management (e.g., board changes, capital changes, M&A) and will make decisions in line with business objectives in the future.
  • [AI Comprehensive Analysis]This disclosure is a routine report on a minor stake reduction by the largest shareholder, with no significant impact on corporate value or control. The impact on short-term stock price is limited, and the decrease is too small to be considered a major risk factor.

KOSDAQ Filing Information


  • Filing: Report on Large Shareholding (General)
  • Company: BLUEMTEC (439580)
  • Submission: Yeon Je-ryang
  • Receipt: 05-29-2026