KOPPERS HOLDINGS INC filings

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SEC filings by KOPPERS HOLDINGS INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-13VANGUARD GROUP INCKoppers Holdings Inc.2,366,91311.4%EDGAR
SC 13G/A2024-02-12FULLER & THALER ASSET MANAGEMENT, INC.Koppers Holdings Inc.2,091,16110.0%EDGAR
SC 13G/A2024-02-12Rubric Capital Management LPKoppers Holdings Inc.1,007,3414.8%EDGAR
SC 13G2024-02-09DIMENSIONAL FUND ADVISORS LPKoppers Holdings Inc.1,180,1345.7%EDGAR
SC 13G/A2024-01-22BlackRock Inc.Koppers Holdings Inc.3,421,80816.4%EDGAR
SC 13G/A2023-02-14FULLER & THALER ASSET MANAGEMENT, INC.Koppers Holdings Inc.2,219,64610.6%EDGAR
SC 13G/A2023-02-10Rubric Capital Management LPKoppers Holdings Inc.1,133,8405.4%EDGAR
SC 13G/A2023-02-09VANGUARD GROUP INCKoppers Holdings Inc.2,358,63611.3%EDGAR
SC 13G/A2023-01-26BlackRock Inc.Koppers Holdings Inc.3,517,09516.8%EDGAR
SC 13G2023-01-20BlackRock Inc.Koppers Holdings Inc.3,517,09516.8%EDGAR
SC 13G/A2022-03-02FULLER & THALER ASSET MANAGEMENT, INC.Koppers Holdings Inc.2,127,05010.1%EDGAR
SC 13G2022-02-14Rubric Capital Management LPKoppers Holdings Inc.1,109,1205.2%EDGAR
SC 13G/A2022-02-10VANGUARD GROUP INCKoppers Holdings Inc.2,369,17811.1%EDGAR
SC 13G/A2022-02-08FULLER & THALER ASSET MANAGEMENT, INC.Koppers Holdings Inc.1,944,8139.1%EDGAR
SC 13G/A2022-01-28BlackRock Inc.Koppers Holdings Inc.3,454,78916.2%EDGAR
SC 13G2021-02-12SOUTHERNSUN ASSET MANAGEMENT, LLCKoppers Holdings Inc.556,5092.6%EDGAR
SC 13G/A2021-02-11FULLER & THALER ASSET MANAGEMENT, INC.Koppers Holdings Inc.1,710,4158.1%EDGAR
SC 13G/A2021-02-10VANGUARD GROUP INCKoppers Holdings Inc.2,213,47610.5%EDGAR
SC 13G/A2021-01-26BlackRock Inc.Koppers Holdings Inc.3,207,25915.2%EDGAR
SC 13G/A2020-02-14FULLER & THALER ASSET MANAGEMENT, INC.Koppers Holdings Inc.1,609,2557.8%EDGAR
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