Louis L. Testoni

Companies

• KoppersBoard member May 13, 2013 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Recent filings

• May 2, 2025Exercised options 17 shares of CIK 1315257²
• May 2, 2024Granted 2,079 shares of CIK 1315257³
• May 2, 2024Exercised options 20 shares of CIK 1315257³
• May 4, 2023Granted 3,513 shares of CIK 1315257⁴
• May 4, 2023Exercised options 37 shares of CIK 1315257⁴
• May 5, 2022Granted 4,326 shares of CIK 1315257⁵