Koppers Holdings Inc. has grown revenue −3.5% a year over three years and 2.4% a year over five, with earnings per share compounding at −2.8%. Revenue growth, 3-year annual rate: −3.5% (Specialty Chemicals median +3.3%). Revenue growth, 5-year rate: +2.4%, growth has slowed since the five-year average. Earnings per share, 3-year rate: −2.8%, earnings outgrew revenue: margins or the share count worked for shareholders. Years of annual history on file: 18, FY2008 to FY2025, as filed.

KOPKoppers Holdings Inc.

Basic Materials

$44.27+68% 1Y

$44.27

$26.1652 weeks$52.38

Is it growing?

Watch

Growth is fading: revenue shrinking (−5% year on year) and operating margin narrowing (−7.2 points).

2 to watch, 1 without data

Revenue trend−5% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: +2% a year.

Margin direction−7.2 points operating

Trailing-twelve-month operating margin, -1.2% now against 6.0% a year earlier.

All from SEC EDGAR, as of Jun 30, 2026.

Where this answer is blind. These are trailing numbers from the filings, not forecasts: an acquisition or a one-off year can flatter them, so check the quarters.

Is KOP growing?

Koppers Holdings Inc. has grown revenue −3.5% a year over three years and 2.4% a year over five, with earnings per share compounding at −2.8%.

−3.5%

Revenue growth, 3-year annual rate · Specialty Chemicals median +3.3% · shrinking · compounded from trailing twelve-month revenue

Revenue growth, 5-year rate: +2.4%
Revenue growth, 5-year rate · −3.5% over three · growth has slowed since the five-year average
Earnings per share, 3-year rate: −2.8%
Earnings per share, 3-year rate · revenue −3.5% · earnings outgrew revenue: margins or the share count worked for shareholders
Years of annual history on file: 18
Years of annual history on file · FY2008 to FY2025, as filed