Dec 9, 2025 12:48PM Sidoti Events, LLC's Year-End Virtual Investor Conference

Nov 7, 2025 07:57AM Koppers Holdings (KOP) Misses Q3 EPS by 7c, Misses on Revenue; Offers FY25 Guidance

Nov 6, 2025 12:59PM Koppers Holdings (KOP) Declares $0.08 Quarterly Dividend; 1.1% Yield

Aug 8, 2025 08:02AM Koppers Holdings (KOP) Misses Q2 EPS by 2c ; Offers Guidance

Aug 7, 2025 11:50AM Koppers Holdings (KOP) Declares $0.08 Quarterly Dividend; 1% Yield

Jun 18, 2025 07:55AM Koppers Holdings (KOP) Extends Revolving Credit Facility Maturity Date to 2030

May 29, 2025 07:55AM Koppers Holdings (KOP) Appoints James A. Sullivan as President and Chief Transformation Officer

May 9, 2025 08:35AM Koppers Holdings (KOP) Tops Q1 EPS by 15c ; Offers Guidance

May 8, 2025 10:52AM Koppers Holdings (KOP) Declares $0.08 Quarterly Dividend; 1.3% Yield

Feb 27, 2025 10:53AM Koppers Holdings (KOP) Misses Q4 EPS by 14c

Feb 27, 2025 07:56AM Koppers Holdings (KOP) Announces $100M Share Buyback

Feb 12, 2025 10:11AM Koppers Holdings (KOP) Raises Quarterly Dividend 14.3% to $0.08; 1.1% Yield

Nov 8, 2024 08:03AM Koppers Holdings (KOP) Tops Q3 EPS by 12c

Aug 8, 2024 08:10AM Koppers Holdings (KOP) Tops Q2 EPS by 9c ; Offers Guidance