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.
"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>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2019-09-20 Sale | 2019-09-24 4:05 pm | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 2,687 | $29.72 | $79,858 | 31,968 (Direct) | View |
2018-08-27 Sale | 2018-08-28 4:58 pm | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 1,126 | $36.35 | $40,930 | 29,929 (Direct) | View |
2017-09-26 Sale | 2017-09-28 11:22 am | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 1,810 | $45 | $81,450 | 18,117 (Direct) | View |
2017-09-22 Sale | 2017-09-26 1:42 pm | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 1,800 | $43 | $77,400 | 19,927 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2022-03-04 Tax Withholding | 2022-03-08 3:17 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 4,916 | $28.18 | 47,330 (Direct) | View |
2022-03-04 Exercise | 2022-03-08 3:17 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 10,305 | $0 | 47,330 (Direct) | View |
2022-03-03 Tax Withholding | 2022-03-07 4:09 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 475 | $28.96 | 41,941 (Direct) | View |
2022-03-02 Tax Withholding | 2022-03-04 4:53 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 127 | $28.49 | 42,416 (Direct) | View |
2022-01-05(A) Option Award | 2022-02-17 3:04 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 4,688 | $0 | 12,208 (Direct) | View |
2022-01-05 Option Award | 2022-01-07 6:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 4,489 | $0 | 54,552 (Direct) | View |
2022-01-05 Tax Withholding | 2022-01-07 6:06 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 244 | $33.27 | 54,552 (Direct) | View |
2022-01-04 Option Award | 2022-01-06 2:07 pm | N/A 2032-01-04 | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 9,204 | $0 | 48,739 (Direct) | View |
2021-03-06 Tax Withholding | 2021-03-09 4:26 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 247 | $35.45 | 39,535 (Direct) | View |
2021-03-03 Exercise | 2021-03-05 1:41 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 266 | $0 | 39,782 (Direct) | View |
2021-03-03 Tax Withholding | 2021-03-05 1:41 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 620 | $35.72 | 39,782 (Direct) | View |
2021-03-02 Tax Withholding | 2021-03-04 2:22 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 135 | $34.87 | 40,136 (Direct) | View |
2021-02-16 Option Award | 2021-02-18 2:09 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 3,760 | $0 | 3,760 (Direct) | View |
2021-01-04 Option Award | 2021-01-06 4:14 pm | N/A 2031-01-04 | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 10,442 | $0 | 47,990 (Direct) | View |
2020-03-06 Tax Withholding | 2020-03-10 1:53 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 192 | $18.41 | 37,548 (Direct) | View |
2020-03-03(A) Option Award | 2020-03-05 6:47 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 4,139 | $0 | 37,740 (Direct) | View |
2020-03-03 Option Award | 2020-03-05 4:14 pm | N/A 2030-03-03 | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 14,707 | $0 | 48,574 (Direct) | View |
2020-03-03 Exercise | 2020-03-05 4:14 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 2,928 | $0 | 48,574 (Direct) | View |
2020-03-03 Tax Withholding | 2020-03-05 4:14 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 1,415 | $19.63 | 48,574 (Direct) | View |
2020-03-02 Tax Withholding | 2020-03-04 2:24 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 116 | $20.03 | 32,088 (Direct) | View |
2020-02-28 Tax Withholding | 2020-03-03 3:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 264 | $21.86 | 32,204 (Direct) | View |
2020-02-11(A) Option Award | 2020-02-18 11:40 am | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 6,422 | $0 | 6,422 (Direct) | View |
2020-02-11 Option Award | 2020-02-13 11:31 am | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S SVP Chief Sustainability Offi | 6,422 | $0 | 6,422 (Direct) | View |
2019-09-20 Exercise | 2019-09-24 4:05 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 2,687 | $28.1 | 31,968 (Direct) | View |
2019-09-20 Exercise | 2019-09-24 4:05 pm | 2013-02-22 2020-02-21 | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 2,687 | $0 | 31,968 (Direct) | View |
2019-03-06 Option Award | 2019-03-08 4:04 pm | N/A 2029-03-06 | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 10,218 | $0 | 39,930 (Direct) | View |
2019-03-01 Option Award | 2019-03-05 3:19 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 819 | $0 | 30,244 (Direct) | View |
2019-03-01 Tax Withholding | 2019-03-05 3:19 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 1,302 | $26.16 | 30,244 (Direct) | View |
2019-03-01 Exercise | 2019-03-05 3:19 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 266 | $0 | 30,244 (Direct) | View |
2018-08-27 Exercise | 2018-08-28 4:58 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 4,410 | $15.26 | 29,929 (Direct) | View |
2018-08-27 Exercise | 2018-08-28 4:58 pm | 2012-02-20 2019-02-19 | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 4,410 | $0 | 29,929 (Direct) | View |
2018-03-02 Option Award | 2018-03-06 6:36 pm | N/A 2028-03-02 | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 18,725 | $0 | 32,035 (Direct) | View |
2018-03-02 Tax Withholding | 2018-03-06 6:36 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 5,932 | $41.6 | 32,035 (Direct) | View |
2018-03-02 Exercise | 2018-03-06 6:36 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 266 | $0 | 32,035 (Direct) | View |
2018-03-01 Tax Withholding | 2018-03-05 7:08 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 250 | $0 | 18,178 (Direct) | View |
2018-02-21 Exercise | 2018-02-23 3:59 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 2,137 | $39.99 | 18,428 (Direct) | View |
2018-02-21 Exercise | 2018-02-23 3:59 pm | 2011-02-25 2018-02-25 | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 2,137 | $0 | 18,428 (Direct) | View |
2018-02-21 Tax Withholding | 2018-02-23 3:59 pm | N/A N/A | Koppers Holdings Inc. | KOP | Hyde Leslie S VP | 2,096 | $41.1 | 18,428 (Direct) | View |