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 |
2025-01-03 Option Award |
2025-01-07 4:03 pm |
N/A N/A |
Koppers Holdings Inc. | KOP | Apostolou Stephanie L Chief Legal&Sus Officer & Sec. |
17,766 | $0 | 59,847 (Direct) |
View |
2025-01-03 Exercise |
2025-01-07 4:03 pm |
N/A N/A |
Koppers Holdings Inc. | KOP | Apostolou Stephanie L Chief Legal&Sus Officer & Sec. |
7,077 | $0 | 59,847 (Direct) |
View |
2025-01-03 Tax Withholding |
2025-01-07 4:03 pm |
N/A N/A |
Koppers Holdings Inc. | KOP | Apostolou Stephanie L Chief Legal&Sus Officer & Sec. |
5,690 | $31.72 | 59,847 (Direct) |
View |
2024-12-16 Option Award |
2024-12-18 4:27 pm |
N/A N/A |
Koppers Holdings Inc. | KOP | Apostolou Stephanie L General Counsel & Secretary |
115 | $0 | 245 (Direct) |
View |
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 |
2024-01-04 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 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 |
2024-01-05 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 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 |
2023-03-03 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 |
2023-03-06 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 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 |
2023-01-05 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 |
2023-01-03 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 |