# Koppers Holdings Inc. (KOP)

- Sector: Materials · Industry: Specialty Chemicals
- SEC CIK: 0001315257 ([filings on EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001315257))
- Full page: https://inspectstocks.com/stocks/kop
- Data as of: price 2026-09-28; newest filing used 2026-08-06; latest fiscal period ended 2026-06-30

## Grade

**B** on the growth-and-cash rubric, 4 of 5 checks passed.

| Check | Result | Now | Before |
| --- | --- | --- | --- |
| Revenue growing overall | failed | $1.9B | $2.1B |
| Revenue growing recently | passed | $1.9B | $1.9B |
| Free cash flow positive | passed | $138.7M |  |
| Free cash flow growing overall | passed | $138.7M | -$33.1M |
| Free cash flow growing recently | passed | $138.7M | $67.5M |

Business quality (the + / − mark): 2 of 6 checks passed.

| Check | Result | Now | Before |
| --- | --- | --- | --- |
| Profitable | failed | -4.6% |  |
| Healthy profit margin | failed | -4.6% |  |
| Strong operating margin | failed | -2.2% |  |
| Good return on equity | failed | -15.1% |  |
| Debt under control | passed | 1.78 |  |
| Turns sales into cash | passed | 7.3% |  |

How the grade works: the letter counts failed checks (none → A, one → B, two → C, three → D, four or more → F). It is built from SEC filings only — the share price never enters it — and describes the business, not whether the stock is worth buying.

## Key figures

In US dollars, as filed.

| Measure | Value |
| --- | --- |
| Revenue, trailing twelve months | $1.9B |
| Net income, trailing twelve months | -$86.9M |
| Free cash flow, trailing twelve months | $138.7M |
| Net margin | -4.6% |
| Operating margin | -2.2% |
| Return on equity | -15.1% |
| Debt to equity | 1.78 |
| Diluted EPS, trailing twelve months | -$4.74 |
| Share price | $46.27 |
| Market value | $875M |
| Price / sales | 0.5x |

## More on this company

- [Overview](https://inspectstocks.com/stocks/kop)
- [Financial statements](https://inspectstocks.com/stocks/kop/financials)
- [Competitors](https://inspectstocks.com/stocks/kop/peers)
- [Earnings](https://inspectstocks.com/stocks/kop/earnings)

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Source: InspectStocks, built from the company’s own SEC filings. This describes a business — it is not investment advice and not a recommendation to buy or sell anything.