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>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2021-12-31 Sale | 2022-01-04 09:26 am | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 3,946 | $0 | $0 | 64,689 (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 |
2021-12-31 Tax Withholding | 2022-01-04 09:26 am | N/A N/A | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 9,090 | $31.3 | 64,689 (Direct) | View |
2021-03-06 Tax Withholding | 2021-03-09 4:35 pm | N/A N/A | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 318 | $35.45 | 77,066 (Direct) | View |
2021-03-03 Tax Withholding | 2021-03-05 1:49 pm | N/A N/A | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 773 | $35.72 | 77,384 (Direct) | View |
2021-03-03 Exercise | 2021-03-05 1:49 pm | N/A N/A | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 521 | $0 | 77,384 (Direct) | View |
2021-03-02 Tax Withholding | 2021-03-04 2:30 pm | N/A N/A | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 206 | $34.87 | 77,636 (Direct) | View |
2021-02-16 Option Award | 2021-02-18 2:19 pm | N/A N/A | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 6,118 | $0 | 6,118 (Direct) | View |
2021-01-04 Option Award | 2021-01-06 4:21 pm | N/A N/A | Koppers Holdings Inc. | KOP | ZUGAY MICHAEL CFO | 16,872 | $0 | 77,842 (Direct) | View |