Koppers Holdings Inc.'s latest moves, explained simply — so you know why the numbers change.
Straight from SEC filings · updated 6 Aug 2026New CFO brings experience from NOVA Chemicals; investors track who manages company money.
Quarterly results show if the company is making money and growing as expected.
Plant closure costs $227–262 million; affects 85 jobs and shows company struggles with rising costs.
Company corrects earlier announcement; shows attention to accurate record-keeping for investors.
Company corrects earlier executive information; keeps investor records accurate and up to date.
Annual results show overall company performance and help investors decide if it's a good investment.
Year-end earnings reveal company profitability and financial health to all shareholders.
Stocky reads Koppers Holdings Inc.'s official filings with the U.S. Securities and Exchange Commission (SEC) — the 8-K, 10-Q and 10-K reports every public company must file — and summarizes each one in plain English, with a link back to the original document.
Koppers Holdings Inc.'s most recent tracked filing was a 8-K on 11 May 2026: Eric Brenner named Chief Financial Officer effective May 26.
No. These event summaries are educational — generated from public SEC filings to help beginners understand what a company is doing. They are not buy or sell recommendations.
Educational, not financial advice. Company events summarized from public SEC filings.
Data as of 6 Aug 2026.