Sonja Michelle Wilkerson
Director, Koppers.
Companies
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Recent filings
- Mar 7, 2025Returned to company 3,533 shares of CIK 13152572
- May 2, 2024Exercised options 20 shares of CIK 13152573
- May 4, 2023Granted 3,513 shares of CIK 13152574
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARKoppers, Board member
- 2SEC EDGARForm 4 filed Mar 11, 2025
- 3SEC EDGARForm 4 filed May 6, 2024
- 4SEC EDGARForm 4 filed May 8, 2023