Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-04-30 11:23 am Sale | 2025-03-31 | 13G | Koppers Holdings Inc. KOP | The Vanguard Group | 1,922,004 9.380% | -444,909 (-18.80%) | Filing History |
| 2025-04-28 08:28 am Purchase | 2025-03-31 | 13G | Koppers Holdings Inc. KOP | PZENA INVESTMENT MANAGEMENT LLC | 1,221,328 6.100% | 1,221,328 (New Position) | Filing History |
| 2025-04-23 8:57 pm Sale | 2025-03-31 | 13G | Koppers Holdings Inc. KOP | BlackRock Inc. BLK | 3,591,150 17.800% | -387,450 (-9.74%) | Filing History |
| 2025-02-05 5:28 pm Purchase | 2024-12-31 | 13G | Koppers Holdings Inc. KOP | BlackRock Inc. BLK | 3,978,600 19.600% | 159,701 (+4.18%) | Filing History |
| 2024-11-08 5:31 pm Unchanged | 2024-09-30 | 13G | Koppers Holdings Inc. KOP | BlackRock Inc. BLK | 3,818,899 18.600% | 0 (Unchanged) | Filing History |
| 2024-10-18 3:31 pm Purchase | 2024-09-30 | 13G | Koppers Holdings Inc. KOP | BlackRock Inc. BLK | 3,818,899 18.600% | 397,091 (+11.60%) | Filing History |
| 2024-10-07 5:38 pm Sale | 2024-09-30 | 13G | Koppers Holdings Inc. KOP | Fuller & Thaler Asset Management, Inc. | 1,192,580 5.810% | -898,581 (-42.97%) | Filing History |
| 2024-02-13 5:08 pm Purchase | 2023-12-29 | 13G | Koppers Holdings Inc. KOP | The Vanguard Group | 2,366,913 11.370% | 8,277 (+0.35%) | Filing History |
| 2024-02-12 7:50 pm Sale | 2023-12-31 | 13G | Koppers Holdings Inc. KOP | Fuller & Thaler Asset Management, Inc. | 2,091,161 10.040% | -128,485 (-5.79%) | Filing History |
| 2024-02-12 06:06 am Sale | 2023-12-31 | 13G | Koppers Holdings Inc. KOP | Rubric Capital Management LP | 1,007,341 4.840% | -126,499 (-11.16%) | Filing History |
| 2024-02-09 09:59 am Purchase | 2024-02-14 | 13G | Koppers Holdings Inc. KOP | Dimensional Fund Advisors LP | 1,180,134 5.700% | 1,180,134 (New Position) | Filing History |
| 2024-01-22 2:03 pm Sale | 2023-12-31 | 13G | Koppers Holdings Inc. KOP | BlackRock Inc. BLK | 3,421,808 16.400% | -95,287 (-2.71%) | Filing History |
| 2023-02-14 1:38 pm Purchase | 2022-12-30 | 13G | Koppers Holdings Inc. KOP | Fuller & Thaler Asset Management, Inc. | 2,219,646 10.620% | 92,596 (+4.35%) | Filing History |
| 2023-02-10 4:00 pm Purchase | 2022-12-31 | 13G | Koppers Holdings Inc. KOP | Rubric Capital Management LP | 1,133,840 5.430% | 24,720 (+2.23%) | Filing History |
| 2023-02-09 11:25 am Sale | 2022-12-30 | 13G | Koppers Holdings Inc. KOP | The Vanguard Group | 2,358,636 11.290% | -10,542 (-0.44%) | Filing History |
| 2023-01-26 08:52 am Unchanged | 2022-12-31 | 13G | Koppers Holdings Inc. KOP | BlackRock Inc. BLK | 3,517,095 16.800% | 0 (Unchanged) | Filing History |
| 2023-01-20 5:17 pm Purchase | 2022-12-31 | 13G | Koppers Holdings Inc. KOP | BlackRock Inc. BLK | 3,517,095 16.800% | 62,306 (+1.80%) | Filing History |
| 2022-03-02 3:21 pm Purchase | 2022-02-28 | 13G | Koppers Holdings Inc. KOP | Fuller & Thaler Asset Management, Inc. | 2,127,050 10.070% | 182,237 (+9.37%) | Filing History |
| 2022-02-14 09:23 am Purchase | 2021-12-31 | 13G | Koppers Holdings Inc. KOP | Rubric Capital Management LP | 1,109,120 5.210% | 1,109,120 (New Position) | Filing History |
| 2022-02-10 08:22 am Purchase | 2021-12-31 | 13G | Koppers Holdings Inc. KOP | The Vanguard Group | 2,369,178 11.120% | 155,702 (+7.03%) | Filing History |