Across 4753 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by 구자열, Executive. Officer active across 3 companies, notably E1. Aggregated, 18,471 filings have been logged. History available since 24 February 2026. The latest transaction was filed on 26 February 2026 (Purchase). Regulator: DART (FSS). All data is free.
Koo Ja-yeol is an Executive at E1, a company active in the energy sector. In this role, he participates in managing operations and the company's strategy. With his experience, Koo contributes to optimizing the company's performance.