Overview Financials News + Filings Key Docs Charts Transactions Holdings Ownership Insiders
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BlackRock Inc.
> KOP
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Koppers Holdings Inc. | KOP | 3,413,368 | -22,850 | 116,395,852,000 | -3,768,693,000 | $34,100.00 |
| 03/31/2023 | Koppers Holdings Inc. | KOP | 3,436,218 | -17,456 | 120,164,545,000 | 120,092,779,000 | $34,970.00 |
| 09/30/2022 | Koppers Holdings Inc. | KOP | 3,453,674 | -80,350 | 71,766,000 | -8,243,000 | $20.78 |
| 06/30/2022 | Koppers Holdings Inc. | KOP | 3,534,024 | 60,021 | 80,009,000 | -15,596,000 | $22.64 |
| 03/31/2022 | Koppers Holdings Inc. | KOP | 3,474,003 | 19,214 | 95,605,000 | -12,531,000 | $27.52 |
| 12/31/2021 | Koppers Holdings Inc. | KOP | 3,454,789 | 71,259 | 108,136,000 | 2,369,000 | $31.30 |
| 09/30/2021 | Koppers Holdings Inc. | KOP | 3,383,530 | -62,783 | 105,767,000 | -5,723,000 | $31.26 |
| 06/30/2021 | Koppers Holdings Inc. | KOP | 3,446,313 | 34,946 | 111,490,000 | -7,091,000 | $32.35 |
| 03/31/2021 | Koppers Holdings Inc. | KOP | 3,411,367 | 204,108 | 118,581,000 | 18,642,000 | $34.76 |
| 12/31/2020 | Koppers Holdings Inc. | KOP | 3,207,259 | 189,448 | 99,939,000 | 36,836,000 | $31.16 |
| 09/30/2020 | Koppers Holdings Inc. | KOP | 3,017,811 | -16,824 | 63,103,000 | 5,930,000 | $20.91 |
| 06/30/2020 | Koppers Holdings Inc. | KOP | 3,034,635 | 64,739 | 57,173,000 | 20,436,000 | $18.84 |
| 03/31/2020 | Koppers Holdings Inc. | KOP | 2,969,896 | -95,581 | 36,737,000 | -80,425,000 | $12.37 |
| 12/31/2019 | Koppers Holdings Inc. | KOP | 3,065,477 | 28,294 | 117,162,000 | 28,446,000 | $38.22 |
| 09/30/2019 | Koppers Holdings Inc. | KOP | 3,037,183 | 26,641 | 88,716,000 | 88,627,610 | $29.21 |
| 06/30/2019 | Koppers Holdings Inc. | KOP | 3,010,542 | 236 | 88,390 | -78,120,610 | $0.03 |
| 03/31/2019 | Koppers Holdings Inc. | KOP | 3,010,306 | -278,279 | 78,209,000 | 22,173,000 | $25.98 |
| 12/31/2018 | Koppers Holdings Inc. | KOP | 3,288,585 | -48,090 | 56,036,000 | -47,902,000 | $17.04 |
| 09/30/2018 | Koppers Holdings Inc. | KOP | 3,336,675 | 229,138 | 103,938,000 | -15,236,000 | $31.15 |
| 06/30/2018 | Koppers Holdings Inc. | KOP | 3,107,537 | 238,200 | 119,174,000 | 1,243,000 | $38.35 |
| 03/31/2018 | Koppers Holdings Inc. | KOP | 2,869,337 | 38,026 | 117,931,000 | -26,184,000 | $41.10 |
| 12/31/2017 | Koppers Holdings Inc. | KOP | 2,831,311 | 265,470 | 144,115,000 | 25,702,000 | $50.90 |
| 09/30/2017 | Koppers Holdings Inc. | KOP | 2,565,841 | 60,014 | 118,413,000 | 27,828,000 | $46.15 |
| 06/30/2017 | Koppers Holdings Inc. | KOP | 2,505,827 | -23,841 | 90,585,000 | -16,545,000 | $36.15 |
| 03/31/2017 | Koppers Holdings Inc. | KOP | 2,529,668 | 2,521,897 | 107,130,000 | 106,817,000 | $42.35 |
| 12/31/2016 | Koppers Holdings Inc. | KOP | 7,771 | 3,707 | 313,000 | 182,000 | $40.28 |
| 09/30/2016 | Koppers Holdings Inc. | KOP | 4,064 | 4,064 | 131,000 | 131,000 | $32.23 |
| 06/30/2016 | Koppers Holdings Inc. | KOP | 4,147 | 1,692 | 128,000 | 73,000 | $30.87 |
| 03/31/2016 | Koppers Holdings Inc. | KOP | 2,455 | 1,780 | 55,000 | 42,000 | $22.40 |
| 12/31/2015 | Koppers Holdings Inc. | KOP | 675 | -1,800 | 13,000 | -37,000 | $19.26 |
| 09/30/2015 | Koppers Holdings Inc. | KOP | 2,475 | 1,800 | 50,000 | 33,000 | $20.20 |
| 06/30/2015 | Koppers Holdings Inc. | KOP | 675 | 0 | 17,000 | 3,000 | $25.19 |
| 03/31/2015 | Koppers Holdings Inc. | KOP | 675 | 0 | 14,000 | -4,000 | $20.74 |
| 12/31/2014 | Koppers Holdings Inc. | KOP | 675 | 0 | 18,000 | -4,000 | $26.67 |
| 09/30/2014 | Koppers Holdings Inc. | KOP | 675 | 0 | 22,000 | -3,000 | $32.59 |
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