account_id none on file
legal_name Koppers Holdings Inc.
ticker KOP
cik 1315257
domain koppers.com
linkedin_company_url https://www.linkedin.com/company/koppers-inc./
entry_point_account_id none on file
exchange NYSE
sector Basic Materials
hq Pittsburgh, PA, United States
sector index/company/sector/basic-materials/
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
slug koppers-holdings-inc
listing_url https://steadybase.io/company/data/index.json
mcp_url https://mcp.steadybase.io/mcp
steadybase-$