Explore the full record of transactions filed by 유용성, Directeur. Insider active across 2 companies, notably 필에너지. Cumulatively, 17,943 disclosures have been published. History available since 4 March 2026. The latest transaction was disclosed on 4 March 2026 (Purchase). Regulator: DART (FSS). The full history is accessible without signup.
Yoo Yong-sung is a director at Phil Energy, where he oversees operations and projects of the company. His role is essential for ensuring efficiency and performance in the energy sector.