Largest Shareholder Stake Dips from 41.86% to 41.59% via Relative's Open Market Sale, Control Impact Limited


  • The largest shareholder and related parties' combined stake decreased by 0.27%p to 41.59% compared to the previous report
  • The decrease is attributed to Kim Sung-hwan, a relative of the largest shareholder, selling all his holdings of 42,465 common shares on the open market on May 28, 2026
  • After the sale, Kim Sung-hwan holds zero shares and is removed from the related party list, but the core family members (Kang Duk-young at 15.61%, Kang Won-ho at 13.09%) maintain their stakes, leaving control unchanged
  • The sold shares represent only 0.27% of total outstanding shares (15,910,775), implying negligible dilution or supply shock
  • [AI Summary]This change in largest shareholder ownership is a routine open-market sale by a relative, without any shift in control or governance. The impact on shareholder value is minimal, and short-term price volatility is expected to be limited.

KOSPI Filing Information


  • Filing: Report on Change in Ownership of Major Shareholders, etc.
  • Company: KOREA UNITED PHARM (033270)
  • Submission: KOREA UNITED PHARM INC
  • Receipt: 06-02-2026
  • Under KRX KOSPI Market Division