Hana Pharm and related party drastically reduce stake in Samjin Pharmaceutical from 8.33% to 0.75%... On-market sale for simple investment purpose puts downward pressure on stock


  • Filer Hana Pharm and specially related person Jo Dong-hoon sold approximately 1.058 million shares of Samjin Pharmaceutical on the market, reducing their combined stake from 8.33% (previous) to 0.75% (current).
  • Sales occurred in multiple transactions from August 2025 to May 2026, with average selling prices ranging from 18,880 won to 25,389 won.
  • The purpose is stated as 'simple investment', indicating no intent to influence management.
  • Meanwhile, Samjin Pharmaceutical's total voting shares decreased from 13,900,000 to 13,320,000 (a reduction of 580,000 shares, about 4.17%), which may be due to treasury share cancellation, potentially boosting shareholder value.
  • However, the massive reduction by a major shareholder could negatively impact sentiment, and further selling should be monitored.
  • [AI Comprehensive Analysis]The large-scale disposal of Samjin Pharmaceutical shares by Hana Pharm and its largest shareholder reduces the likelihood of a change in control, but it is interpreted as a lack of confidence from major shareholders, adversely affecting the stock price. Although the reduction in outstanding shares is positive, the magnitude of the sell-off is substantial, raising concerns about near-term downward pressure.

KOSPI Filing Information


  • Filing: [Correction of Description] Report on Large Shareholding Status (Abbreviated)
  • Company: Samjin Pharmaceutical (005500)
  • Submission: Hana Pharm. Co., Ltd.
  • Receipt: 05-28-2026