Browse the complete record of transactions filed by 윤성현, Deputy Chief Executive. Officer active across 1 company, notably 코스맥스엔비티. Cumulatively, 14 reports have been published. History available since 27 February 2026. The latest transaction was disclosed on 6 May 2026 (Purchase). Regulator: DART (FSS). The full history is openly available.
Yoon Seong-hyun is an Associate Managing Director at Cosmax NBT, where he participates in the management and leadership of the company. His role involves making strategic decisions and overseeing daily operations. With a solid background in the sector, he contributes to achieving the company's objectives.