| Exec date | Filing date | Company | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Aug 15, 2025 | Aug 18, 2025 | Koppers Holdings Inc. | CEO | Sell | 32.5 | -2,448 | -0.68% | ✗ | $74.6K |
| Mar 19, 2025 | Mar 20, 2025 | Koppers Holdings Inc. | CEO | Sell | 22.5 | -3,784 | -1.04% | ✗ | $110.8K |
| Feb 20, 2025 | Feb 24, 2025 | Koppers Holdings Inc. | CEO | Sell | 22.5 | -4,502 | -1.22% | ✗ | $137.7K |
| Jan 3, 2025 | Jan 7, 2025 | Koppers Holdings Inc. | CEO | Sell | 40.0 | -3,793 | -0.53% | ✗ | $1M |
| Nov 19, 2024 | Nov 20, 2024 | Koppers Holdings Inc. | CEO | Sell | 32.5 | -6,804 | -0.72% | ✗ | $223.6K |
| Nov 14, 2024 | Nov 18, 2024 | Koppers Holdings Inc. | CEO | Sell | 20.0 | -11,103 | -1.16% | ✗ | $413.2K |
| Nov 12, 2024 | Nov 14, 2024 | Koppers Holdings Inc. | CEO | Sell | 30.0 | -9,102 | -0.95% | ✗ | $344.7K |
| Aug 29, 2024 | Aug 30, 2024 | Koppers Holdings Inc. | CEO | Sell | 22.5 | -3,803 | -1.19% | ✗ | $145.8K |
| Aug 27, 2024 | Aug 28, 2024 | Koppers Holdings Inc. | CEO | Sell | 22.5 | -4,000 | -1.24% | ✗ | $156.2K |
| Jun 20, 2024 | Jun 20, 2024 | Koppers Holdings Inc. | CEO | Sell | 32.5 | -2,265 | -0.71% | ✗ | $90K |
| Jun 6, 2024 | Jun 10, 2024 | Koppers Holdings Inc. | CEO | Sell | 32.5 | -5,000 | -0.77% | ✗ | $215.4K |
| May 24, 2024 | May 29, 2024 | Koppers Holdings Inc. | CEO | Sell | 32.5 | -5,000 | -0.52% | ✗ | $213.7K |
| Mar 6, 2024 | Mar 7, 2024 | Koppers Holdings Inc. | CEO | Sell | 20.0 | -7,362 | -2.24% | ✗ | $389.3K |
| Mar 4, 2024 | Mar 6, 2024 | Koppers Holdings Inc. | CEO | Sell | 30.0 | -12,965 | -0.79% | ✗ | $593.5K |
| Mar 1, 2024 | Mar 5, 2024 | Koppers Holdings Inc. | CEO | Sell | 45.0 | -2,882 | -0.88% | ✗ | $152.7K |
| Jan 4, 2024 | Jan 8, 2024 | Koppers Holdings Inc. | CEO | Sell | 37.5 | -10,585 | -1.63% | ✗ | $1.2M |
| Dec 20, 2023 | Dec 21, 2023 | Koppers Holdings Inc. | CEO | Sell | 20.0 | -7,000 | -2.31% | ✗ | $344.9K |
| Dec 1, 2023 | Dec 4, 2023 | Koppers Holdings Inc. | CEO | Sell | 20.0 | -13,102 | -4.23% | ✗ | $584.4K |
| Nov 14, 2023 | Nov 16, 2023 | Koppers Holdings Inc. | CEO | Sell | 20.0 | -19,167 | -2.11% | ✗ | $815.6K |
| Aug 30, 2023 | Aug 31, 2023 | Koppers Holdings Inc. | CEO | Sell | 32.5 | -2,000 | -0.66% | ✗ | $77.2K |
| Mar 3, 2023 | Mar 7, 2023 | Koppers Holdings Inc. | CEO | Sell | 45.0 | -4,707 | -0.77% | ✗ | $172.9K |
| Jan 5, 2023 | Jan 9, 2023 | Koppers Holdings Inc. | CEO | Sell | 42.5 | -4,191 | -1.34% | ✗ | $119.8K |
| Mar 4, 2022 | Mar 8, 2022 | Koppers Holdings Inc. | CEO | Sell | 37.5 | -36,263 | -11.09% | ✗ | $1M |
| Mar 3, 2022 | Mar 7, 2022 | Koppers Holdings Inc. | CEO | Sell | 42.5 | -2,821 | -1.13% | ✗ | $81.7K |
| Mar 2, 2022 | Mar 4, 2022 | Koppers Holdings Inc. | CEO | Sell | 51.3 | -1,120 | -0.45% | ✗ | $31.9K |
| Jan 5, 2022 | Jan 7, 2022 | Koppers Holdings Inc. | CEO | Sell | 48.8 | -1,410 | -0.55% | ✗ | $46.9K |
| Mar 6, 2021 | Mar 9, 2021 | Koppers Holdings Inc. | CEO | Sell | 45.0 | -1,844 | -0.77% | ✗ | $65.4K |
| Mar 3, 2021 | Mar 5, 2021 | Koppers Holdings Inc. | CEO | Sell | 42.5 | -3,818 | -1.57% | ✗ | $136.4K |
| Mar 2, 2021 | Mar 4, 2021 | Koppers Holdings Inc. | CEO | Sell | 51.3 | -1,122 | -0.46% | ✗ | $39.1K |
| Aug 28, 2020 | Sep 1, 2020 | Koppers Holdings Inc. | CEO | Sell | 22.5 | -2,500 | -1.08% | ✗ | $61.7K |
| Mar 3, 2020 | Mar 9, 2020 | Koppers Holdings Inc. | CEO | Sell | 42.5 | -4,183 | -1.80% | ✗ | $82.1K |
| Mar 3, 2020 | Mar 5, 2020 | Koppers Holdings Inc. | CEO | Sell | 90.0 | +16,635 | 8.08% | ✗ | $192.1K |
| Aug 13, 2019 | Aug 15, 2019 | ATI INC | Director | Buy | 91.3 | +2,000 | 44.15% | ✗ | $36.4K |
| Dec 13, 2018 | Dec 14, 2018 | Koppers Holdings Inc. | CEO | Buy | 87.5 | +6,000 | 3.97% | ✗ | $102.2K |
| Dec 3, 2018 | Dec 3, 2018 | Koppers Holdings Inc. | CEO | Buy | 87.5 | +4,000 | 2.72% | ✗ | $75.6K |
| Nov 12, 2018 | Nov 13, 2018 | Koppers Holdings Inc. | CEO | Buy | 92.5 | +22,000 | 8.37% | ✗ | $440.2K |
| Sep 6, 2018 | Sep 6, 2018 | Koppers Holdings Inc. | CEO | Buy | 82.5 | +2,000 | 1.63% | ✗ | $69.9K |
| Mar 2, 2018 | Mar 6, 2018 | Koppers Holdings Inc. | CEO | Sell | 100.0 | +60,749 | 20.75% | ✗ | $1.6M |
| Mar 3, 2017 | Mar 7, 2017 | Koppers Holdings Inc. | CEO | Sell | 42.5 | -2,036 | -3.25% | ✗ | $89.8K |
| Nov 30, 2016 | Dec 1, 2016 | Koppers Holdings Inc. | CEO | Sell | 22.5 | -3,500 | -5.10% | ✗ | $134.8K |
| Aug 21, 2015 | Aug 24, 2015 | Koppers Holdings Inc. | CEO | Buy | 78.8 | +1,000 | 1.96% | ✗ | $20.2K |
| May 26, 2015 | May 28, 2015 | Koppers Holdings Inc. | CEO | Buy | 78.8 | +1,000 | 2.00% | ✗ | $25.9K |
| Mar 2, 2015 | Mar 3, 2015 | Koppers Holdings Inc. | CEO | Buy | 95.0 | +10,000 | 44.72% | ✗ | $168.2K |