KOP 8-K: SEC filing
Koppers Holdings
Filed with the SEC on · accession 0001315257-26-000056
KOP filed a 8-K (current report) with the SEC on Nov 6, 2026. Koppers Holdings reported Q3 2026 results with sales up 2.8% to $499.1 million but net income down 38.2% to $14.7 million and adjusted EBITDA down 18.2% to $58.0 million due to higher raw material and logistics costs.
Summary of the filing
Koppers Holdings reported Q3 2026 results with sales up 2.8% to $499.1 million but net income down 38.2% to $14.7 million and adjusted EBITDA down 18.2% to $58.0 million due to higher raw material and logistics costs. The company generated record year-to-date operating and free cash flow.
Key details
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What did KOP file with the SEC on Nov 6, 2026?
KOP filed a 8-K (SEC filing). Koppers Holdings reported Q3 2026 results with sales up 2.8% to $499.1 million but net income down 38.2% to $14.7 million and adjusted EBITDA down 18.2% to $58.0 million due to higher raw material and logistics costs. The company generated record year-to-date operating and free cash flow.
How do I read a 8-K?
A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.
Other KOP SEC filings
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