Koppers Holdings Inc. provides treated wood products, wood preservation chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally. It operates through three segments: Railroad and Utility Products and Services; Performance Chemicals; and Carbon Materials and Chemicals. The company procures and treats crossties, switch ties, and various types of lumber used for railroad bridges and crossings; offers utility products, including pressure treatment of transmission and distribution poles for electric and telephone utilities; untreated wood products and rail joint bars; and provides railroad services, such as engineering, design, repair, and inspection services for railroad bridges. It also provides copper-based wood preservatives comprising micronized copper azole, micronized pigments, alkaline copper quaternary, amine copper azole, dichloro-octyl-isothiazolinone, chromated copper arsenate under the MicroPro and MicroShades brands for decking, fencing, utility poles, construction lumber and timbers, and various agricultural applications; and supplies fire-retardant chemicals under the FlamePro brand for pressure treatment of wood applications. In addition, the company offers creosote for the treatment of wood or as a feedstock in the production of carbon black; carbon pitch, a raw material used in the production of aluminum and steel; naphthalene for use as a feedstock in the production of phthalic anhydride and as a surfactant in the production of concrete; phthalic anhydride for the production of plasticizers, polyester resins, and alkyd paints; and carbon black feedstock. It serves the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction sectors. Koppers Holdings Inc. was founded in 1988 and is headquartered in Pittsburgh, Pennsylvania.

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• [08/11/2025 11:07 PDT] Koppers Holdings Inc. (NYSE:KOP), Down By 100% ($28.84) From $28.84 After BUYINS.NET Report Predicted Stock Would Go Down Due To Bearish Conditions
• [08/11/2025 08:01 PDT] KOP Expected to Trade Down Short Term
• [07/25/2025 14:55 PDT] KOP SqueezeTrigger Price is $0.00. There is $0 That Short Sellers Still Need To Cover.
• [07/25/2025 07:21 PDT] KOP Expected to Trade Up After Bullish Patterns Develop
• [07/23/2025 14:17 PDT] KOP SqueezeTrigger Price is $0.00. There is $0 That Short Sellers Still Need To Cover.
• [07/18/2025 07:10 PDT] KOP Expected to Trade Down After Bearish Patterns Develop
• [07/14/2025 08:16 PDT] KOP SqueezeTrigger Price is $0.00. There is $0 That Short Sellers Still Need To Cover.
• [07/08/2025 11:26 PDT] KOP SqueezeTrigger Price is $0.00. There is $0 That Short Sellers Still Need To Cover.
• [07/03/2025 07:47 PDT] KOP Expected to Trade Up After Bullish Patterns Develop
• [07/02/2025 14:55 PDT] KOP SqueezeTrigger Price is $0.00. There is $0 That Short Sellers Still Need To Cover.
• [06/11/2025 07:20 PDT] KOP Expected to Trade Up After Bullish Patterns Develop