Largest Shareholder's Related Party Sells 1,000 Shares, Stake Slightly Drops from 39.07% to 39.06%


  • Total shares held by largest shareholder and related parties decreased by 1,000 shares from 2,539,834 (39.07%) to 2,538,834 (39.06%)
  • Related party Lee Chang-gyu sold 1,000 shares (0.02%) via on-market sale on May 20, 2026
  • Largest shareholder family and affiliate KPC Corporation collectively maintain 39.06% ownership
  • Dilution impact on existing shareholders is negligible
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KOSPI Filing Information


  • Filing: Report on Change in Ownership of Major Shareholders, etc.
  • Company: KOREA PETRO CHEMICAL IND (006650)
  • Submission: KOREA PETRO CHEMICAL IND CO.,LTD
  • Receipt: 05-19-2026
  • Under KRX KOSPI Market Division