Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-03-01 Exercise | 2024-03-05 4:44 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 26 | $0 | 33,669 (Direct) | View |
| 2024-03-01 Tax Withholding | 2024-03-05 4:44 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 788 | $52.97 | 33,669 (Direct) | View |
| 2024-01-05 Exercise | 2024-01-08 7:39 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 4,862 | $0 | 45,786 (Direct) | View |
| 2024-01-04 Option Award | 2024-01-08 7:39 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 12,332 | $0 | 45,786 (Direct) | View |
| 2024-01-05 Tax Withholding | 2024-01-08 7:39 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 4,037 | $47.32 | 45,786 (Direct) | View |
| 2023-12-12 Option Award | 2023-12-14 5:35 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 102 | $0 | 170 (Direct) | View |
| 2023-03-03 Tax Withholding | 2023-03-07 5:07 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 798 | $37.55 | 28,522 (Direct) | View |
| 2023-03-03 Exercise | 2023-03-07 5:07 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 17 | $0 | 28,522 (Direct) | View |
| 2023-03-06 Tax Withholding | 2023-03-07 5:07 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 134 | $35.46 | 28,522 (Direct) | View |
| 2023-01-05 Exercise | 2023-01-09 5:50 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 14 | $0 | 32,569 (Direct) | View |
| 2023-01-05 Tax Withholding | 2023-01-09 5:50 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 911 | $28.58 | 32,569 (Direct) | View |
| 2023-01-05 Option Award | 2023-01-09 5:50 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 1,717 | $0 | 32,569 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-05 6:29 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 6,310 | $0 | 30,284 (Direct) | View |
| 2022-03-04 Exercise | 2022-03-08 3:09 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 3,514 | $0 | 23,149 (Direct) | View |
| 2022-03-04 Tax Withholding | 2022-03-08 3:09 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 1,638 | $28.18 | 23,149 (Direct) | View |
| 2022-03-03 Tax Withholding | 2022-03-07 3:59 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 801 | $28.96 | 21,273 (Direct) | View |
| 2022-03-02 Tax Withholding | 2022-03-04 4:41 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 45 | $28.49 | 22,074 (Direct) | View |
| 2022-01-05 Option Award(A) | 2022-02-17 2:38 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 2,355 | $0 | 4,919 (Direct) | View |
| 2022-01-05 Option Award | 2022-01-07 6:01 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 2,255 | $0 | 26,938 (Direct) | View |
| 2022-01-05 Tax Withholding | 2022-01-07 6:01 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 429 | $33.27 | 26,938 (Direct) | View |
| 2022-01-04 Option Award | 2022-01-06 1:41 pm | N/A 2032-01-04 | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 9,072 | $0 | 28,416 (Direct) | View |
| 2021-03-06 Tax Withholding | 2021-03-09 4:13 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 153 | $35.45 | 18,608 (Direct) | View |
| 2021-03-03 Tax Withholding | 2021-03-05 1:31 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 861 | $35.72 | 18,761 (Direct) | View |
| 2021-03-02 Tax Withholding | 2021-03-04 2:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 48 | $34.87 | 19,622 (Direct) | View |
| 2021-02-16 Option Award | 2021-02-18 1:59 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 1,282 | $0 | 1,282 (Direct) | View |
| 2021-01-04 Option Award | 2021-01-06 4:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 5,026 | $0 | 19,670 (Direct) | View |
Ownership | 2020-03-11 2:08 pm | N/A N/A | Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary | 0 | $0 | 13,366 (Direct) | View |