Kumho Petrochemical Major Shareholder Stake Slightly Up 0.01% via Open Market Purchases


  • The filing discloses minor open market purchases by major shareholder affiliates, with Park Joo-hyung and Song Yoo-sun acquiring a total of 1,907 shares from June 25 to July 2, 2026.
  • Following the purchases, the combined stake of the major shareholder group in common shares rose to 30.19%, an increase of 0.01 percentage points, representing a routine transaction with no governance impact.
  • No changes to capital structure or new share issuance occurred, resulting in negligible impact on stock price outlook and existing shareholder value.
  • [AI Summary]Kumho Petrochemical's major shareholder group executed marginal open market purchases increasing their stake by 0.01 percentage points, a routine insider transaction that does not dilute shareholder value or alter corporate control.

KOSPI Filing Information


  • Report on Change in Ownership of Major Shareholders, etc.
  • Company: KUMHO PETRO CHEMICAL (011780)
  • Submission: KUMHO PETRO CHEMICAL CO.,LTD
  • Under KRX KOSPI Market Division

  • Shares: 25,157,325
  • Price: 116,400 KRW
  • Market Cap: 2,928.3 B KRW