Discover the full insider trade history of 성문전자, a listed issuer based in South Korea. Shares trade on KR KR, under the oversight of DART (FSS). Operating in the Technology sector, 성문전자 has recorded 2 insider filings. Market capitalisation: €48.8bn. The latest transaction was disclosed on 20 April 2026 — Purchase. Among the most active insiders: 신준섭. Every trade is free.