Woojung Bio Non-Executive Director Sangsu Lee Acquires 8,247 Shares via Open Market Purchase, Signaling Confidence with Minimal Ownership Change


  • Woojung Bio non-registered executive director Sangsu Lee acquired 8,247 common shares through open market purchases from May 29 to June 4, 2026.
  • The acquisition prices ranged from 2,537 KRW to 2,865 KRW per share, higher than the current market price of 2,485 KRW, signaling management's belief in undervaluation.
  • The acquired shares represent only 0.05% of total outstanding shares of 16,829,576, limiting direct impact on stock price and shareholder value.
  • No treasury stock acquisition or cancellation was announced; this filing is solely a personal shareholding change report and does not indicate any change in corporate capital policy.
  • [AI Summary]Insider Lee's open market purchase is small in scale with negligible short-term price impact but does convey insider confidence. Without corporate capital structure changes or additional shareholder return policies, investors should focus on other catalysts.

KOSDAQ Filing Information


  • Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: WOOJUNG BIO (215380)
  • Submission: Sangsoo Lee

  • Shares: 16,829,576
  • Price: 2,485 KRW
  • Market Cap: 41.8 B KRW