InsidersTradesSigma
Browse the detailed record of transactions filed by TESTONI LOUIS L, Director. Insider active across 1 companies, notably Koppers Holdings Inc.. Aggregated, 3 reports have been published. The latest transaction was filed on 5 May 2022 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
3 of 3 declarations
Louis L. Testoni is a Board Member at Koppers Holdings Inc. As a board member, he contributes to the governance and strategy of the company. Louis brings his expertise to help guide strategic decisions and ensure compliance with regulations.