Aug 6, 2026 07:55AM
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Jun 25, 2026 08:30AM
May 11, 2026 09:01AM
May 11, 2026 09:00AM
May 8, 2026 08:45AM Koppers plans to close Illinois facility, affecting 85 workers
May 8, 2026 08:45AM
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Mar 30, 2026 07:55AM
Feb 26, 2026 07:55AM
Feb 11, 2026 11:08AM Koppers Holdings (KOP) Raises Quarterly Dividend 12.5% to $0.09; 1.1% Yield
Feb 11, 2026 11:06AM
Jan 9, 2026 07:55AM
Jan 9, 2026 07:55AM
Dec 16, 2025 08:45AM
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Nov 6, 2025 12:59PM
Nov 6, 2025 12:58PM Koppers Holdings Inc. Declares Quarterly Cash Dividend
Aug 8, 2025 07:55AM
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Jun 25, 2025 08:00AM
Jun 18, 2025 07:55AM
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May 29, 2025 07:55AM Koppers Holdings (KOP) Appoints James A. Sullivan as President and Chief Transformation Officer
May 29, 2025 07:55AM
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Feb 27, 2025 07:56AM
Feb 27, 2025 07:55AM
Feb 27, 2025 07:55AM Koppers Announces $100 Million Share Repurchase Program
Feb 12, 2025 10:11AM
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Dec 18, 2024 08:30AM
Dec 17, 2024 09:00AM
Dec 5, 2024 04:30PM
Nov 8, 2024 07:55AM
Nov 7, 2024 11:18AM Koppers Holdings Inc. Declares Quarterly Cash Dividend
Aug 8, 2024 07:55AM
Aug 8, 2024 07:55AM
Jun 26, 2024 08:30AM
Jun 6, 2024 12:30PM
May 3, 2024 07:55AM
May 2, 2024 10:57AM
May 2, 2024 10:51AM Koppers Holdings Inc. Declares Quarterly Cash Dividend
Apr 15, 2024 07:55AM

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