Report on Ownership of Specific Securities by Executives and Major Shareholders (No Change)
- This filing is a routine report on the ownership of specific securities by executives and major shareholders, containing no changes or material financial content.
- As of the reporting date, there are no significant changes in the number or percentage of specific securities held by the reporting person.
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KOSDAQ Filing Information
- Filing: Report on Ownership of Specific Securities by Executives and Major Shareholders
- Company: SD System (121890)
- Submission: Lee Chang-hee
- Receipt: 05-06-2026