Sonja Michelle Wilkerson

Insider Reports History

Entity
Individual
Signature
/s/Stephanie L. Apostolou, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Sonja Michelle Wilkerson:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Koppers Holdings Inc. Director Common Stock 20.7K $1.17M $56.21 May 2, 2024 Direct
Koppers Holdings Inc. Director Restricted Stock Units 6.41K $360K $56.21 May 2, 2024 Direct
Koppers Holdings Inc. Director Dividend Equivalent Rights 79.2 Sep 16, 2024 Direct

Insider Reports Filed by Sonja Michelle Wilkerson

Symbol Company Period Transactions Value $ Form Type Date Filed Role
KOP Koppers Holdings Inc. Sep 16, 2024 1 $0 4 Sep 18, 2024 Director
KOP Koppers Holdings Inc. Jun 10, 2024 1 $0 4 Jun 12, 2024 Director
KOP Koppers Holdings Inc. May 2, 2024 3 $0 4 May 6, 2024 Director
KOP Koppers Holdings Inc. Mar 25, 2024 2 $0 4 Mar 27, 2024 Director
KOP Koppers Holdings Inc. Sep 11, 2023 1 $0 4 Sep 13, 2023 Director
KOP Koppers Holdings Inc. Jun 12, 2023 1 $0 4 Jun 14, 2023 Director
KOP Koppers Holdings Inc. May 4, 2023 1 $0 4 May 8, 2023 Director
KOP Koppers Holdings Inc. Apr 27, 2023 1 $0 4 May 1, 2023 Director
KOP Koppers Holdings Inc. May 5, 2022 1 $0 4 May 5, 2022 Director
KOP Koppers Holdings Inc. May 6, 2021 1 $0 4 May 7, 2021 Director