Major Shareholder Nam Seung-woo donates 200,000 shares of Pulmuone to Seoul National University Hospital, stake drops to 55.97%


  • Nam Seung-woo (former registered officer and major shareholder with over 10% stake) donated 200,000 common shares of Pulmuone to Seoul National University Hospital on May 21, 2026.
  • As a result, his ownership of specified securities decreased from 56.49% to 55.97%, a reduction of 0.52 percentage points (current holding: 21,335,780 shares).
  • This is a personal gift transaction, not a market sale, and does not directly affect the company's financial position or capital structure.
  • No dilution or additional capital raising occurs from this donation. The slight decrease in the largest shareholder's stake does not materially change control of the company.
  • [AI Comprehensive Analysis]This disclosure represents a personal asset transfer by the largest shareholder and does not have a significant impact on enterprise value. However, the reduction in stake does not entirely eliminate potential overhang risk. Minority shareholders should maintain a neutral view as management decisions are unaffected.

KOSPI Filing Information


  • Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
  • Company: Pulmuone Corporate (017810)
  • Submission: Nam Seung-woo
  • Receipt: 05-29-2026