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steadybase-$ company KOP
account_id none on file
legal_name Koppers Holdings Inc.
ticker KOP
cik 1315257
domain koppers.com
entry_point_account_id none on file
exchange NYSE
sector Basic Materials
hq Pittsburgh, PA, United States
calls 0 filings 10 executives 5 family 0
why_nownone on file
callsnone on file
filings
written statements or documents filed with the Securities and Exchange Commission, regarding future dividends, expectations with respect to sales, earnings, cash flows, operating efficiencies, restructurings, cost reduction efforts, transformation initiatives, product introductions or expansions, the benefits of acquisitions and divestitures, or other matters as well as financings and debt reduction, are subject to k

filing / Aug 6, 2026 / receipt

which could impact their operations and cause them to curtail or pause orders; potential difficulties in protecting our intellectual property; potential delays in timing or changes to expected benefits from cost reduction efforts; timing and results of any transformation initiatives, including estimates and assumptions related to the cost and the anticipated benefits of the transformation initiatives; potential impai

filing / Aug 6, 2026 / receipt

Restructuring Plant Closures and Restructuring - The following table summarizes restructuring activities: Three Months Ended June 30, Six Months Ended June 30, Cumulative Total 2026 2025 2026 2025 (Dollars in millions) Stickney Shutdown: Severance, retention and employee benefits $ 2.0 $ 0.0 $ 2.0 $ 0.0 $ 2.0 Impairment 164.6 0.0 164.6 0.0 164.6 Depreciation and asset disposal costs 8.5 0.0 8.5 0.0 8.

filing / Aug 6, 2026 / receipt

Workforce reduction program 0.0 0.2 0.0 3.3 8.3 Consulting services 2.7 4.4 5.1 7.3 21.0 Other restructuring costs 0.5 0.0 5.4 0.0 9.0 Total impairment and restructuring $ 215.8 $ 17.6 $ 223.6 $ 37.6 $ 292.4 6 Stickney Shutdown - We have made the decision to discontinue distillation and chemical manufacturing operations at our Carbon Materials and Chemicals facility in Stickney, Illinois.

filing / Aug 6, 2026 / receipt

Other income, net decreased by $1.6 million compared to the prior year period due primarily to the sale of our office space in Griffin, Georgia in the prior year period.

filing / Aug 6, 2026 / receipt

written statements or documents filed with the Securities and Exchange Commission, regarding future dividends, expectations with respect to sales, earnings, cash flows, operating efficiencies, restructurings, cost reduction efforts, transformation initiatives, product introductions or expansions, the benefits of acquisitions and divestitures, or other matters as well as financings and debt reduction, are subject to k

filing / May 8, 2026 / receipt

which could impact their operations and cause them to curtail or pause orders; potential difficulties in protecting our intellectual property; potential delays in timing or changes to expected benefits from cost reduction efforts; timing and results of any transformation initiatives, including estimates and assumptions related to the cost and the anticipated benefits of the transformation initiatives; potential impai

filing / May 8, 2026 / receipt

Restructuring Plant Closures and Restructuring - The following table summarizes restructuring activities: Three Months Ended March 31, 2026 Three Months Ended March 31, 2025 Cumulative Total (Dollars in millions) Phthalic Anhydride Shutdown: Severance and employee benefits $ 0.1 $ 0.1 $ 1.1 Depreciation and asset disposal costs 0.0 13.9 26.6 Plant cleaning, waste disposal and demolition costs 0.4 0.0 13

filing / May 8, 2026 / receipt

Workforce reduction program 0.0 3.1 8.3 Consulting services 2.4 2.9 18.3 Other restructuring costs 4.9 0.0 4.9 Total impairment and restructuring $ 7.8 $ 20.0 $ 73.0 Phthalic Anhydride Shutdown - In December 2024, we made the decision to discontinue phthalic anhydride production at our facility in Stickney, Illinois.

filing / May 8, 2026 / receipt

Office Assistant | {"ats": "workday", "city": null, "state": null, "job_id": "/job/Bunbury-Australia/Office-Assistant_REQ02136", "remote": false, "category": "other", "function": "other", "location":

company_statement / receipt

executives
Andrew D. Sandifer director - receipt
James A. Sullivan President and Chief Operating Officer - receipt
Laura Posadas director - receipt
Nishan J. Vartanian director - receipt
Stephen R. Tritch Chairman of the Board - receipt
familynone on file
upcoming
2026-11-06 earnings call scheduled ir
changes
2025-11-05 director, appointed sec_8k
2024-02-13 director, appointed sec_8k
2024-01-02 President and Chief Operating Officer, appointed sec_8k
2023-03-22 director, appointed sec_8k
2018-10-17 Chairman of the Board, appointed sec_8k
mcp_package_hint
steadybase-$