Apostolou Stephanie L
Chief Legal&Sus Officer & Sec. · 7 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-02-26 | KOP | Koppers Holdings Inc. | Tax withholding | 3,149 | $37.24 | $117,268.76 | filing |
| 2026-02-26 | KOP | Koppers Holdings Inc. | Option exercise | 174 | $0.00 | $0.00 | filing |
| 2026-02-26 | KOP | Koppers Holdings Inc. | Award | 7,223 | $0.00 | $0.00 | filing |
| 2026-01-05 | KOP | Koppers Holdings Inc. | Tax withholding | 5,757 | $26.93 | $155,036.01 | filing |
| 2026-01-05 | KOP | Koppers Holdings Inc. | Award | 9,876 | $0.00 | $0.00 | filing |
| 2026-01-05 | KOP | Koppers Holdings Inc. | Option exercise | 240 | $0.00 | $0.00 | filing |
| 2026-01-05 | KOP | Koppers Holdings Inc. | Option exercise | 4,666 | — | — | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.