Jun 25, 2026 08:30AM
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May 7, 2026 10:28AM Koppers Holdings (KOP) Declares $0.09 Quarterly Dividend; 0.9% Yield
May 7, 2026 10:25AM
Mar 30, 2026 07:55AM
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Feb 11, 2026 11:08AM
Feb 11, 2026 11:06AM
Jan 9, 2026 07:55AM
Jan 9, 2026 07:55AM Koppers Announces Retirement of Chief Financial Officer Jimmi Sue Smith
Dec 16, 2025 08:45AM
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Nov 6, 2025 12:59PM
Nov 6, 2025 12:58PM
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Aug 7, 2025 11:49AM Koppers Holdings Inc. Declares Quarterly Cash Dividend
Jun 25, 2025 08:00AM
Jun 18, 2025 07:55AM
Jun 18, 2025 07:55AM
May 29, 2025 07:55AM
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May 8, 2025 10:52AM Koppers Holdings (KOP) Declares $0.08 Quarterly Dividend; 1.3% Yield
May 8, 2025 10:37AM
Feb 27, 2025 07:56AM
Feb 27, 2025 07:55AM
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Feb 12, 2025 10:11AM
Feb 12, 2025 10:10AM
Dec 18, 2024 08:30AM Koppers Again Named Among America's Most Responsible Companies by Newsweek
Dec 17, 2024 09:00AM
Dec 5, 2024 04:30PM
Nov 8, 2024 07:55AM
Nov 7, 2024 11:18AM
Aug 8, 2024 07:55AM
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Jun 26, 2024 08:30AM Koppers Releases 2023 Corporate Sustainability Report
Jun 6, 2024 12:30PM
May 3, 2024 07:55AM
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Apr 15, 2024 07:55AM
Apr 15, 2024 07:55AM
Apr 2, 2024 08:30AM Koppers Completes Acquisition of Brown Wood Preserving Company
Feb 28, 2024 07:55AM

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