Not enough buy signals with a settled T+90 horizon to measure a track record yet.
No signal scores available.
Browse the complete record of transactions filed by Feng Xudong, Director. Officer active across 1 company, notably Koppers Holdings Inc.. Cumulatively, 4 reports have been logged. Split: 0 buy · 1 sell. Total volume traded: €56k. History available since 6 May 2021. The latest transaction was filed on 3 June 2026 (Don). Regulator: SEC (Form 4). All data is accessible without signup.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
4 of 4 declarations
Xudong Feng is a Director at Koppers Holdings Inc. In this role, he participates in overseeing operations and the strategic direction of the company. His technical and business expertise is an asset to the board in making informed decisions.