Sonja Michelle Wilkerson insider trades

Open-market stock purchases and sales by Sonja Michelle Wilkerson, Director at Koppers Holdings Inc, from SEC Form 4 filings since Sep 10, 2018.

Recent trades

DateStockTradeValue
Sep 14, 2026KOP Koppers Holdings IncBought (not open market)—
Jun 15, 2026KOP Koppers Holdings IncBought (not open market)—
May 7, 2026KOP Koppers Holdings IncBought (not open market)—
Mar 23, 2026KOP Koppers Holdings IncBought (not open market)—
Mar 23, 2026KOP Koppers Holdings IncBought (not open market)—
Dec 16, 2025KOP Koppers Holdings IncBought (not open market)—

Companies traded

  • KOP Koppers Holdings Inc: other filings, last Sep 14, 2026

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