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Koppers Holdings Inc. (KOP)

Koppers Holdings Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Koppers Holdings Inc. (KOP) is a Chemicals - Specialty company based in US with a market capitalization of $790M. Revenue declined 10.2% year-over-year and the company generated $67.5M in free cash flow. This page tracks KOP's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 2.08K employees · IPO Feb 1, 2006

Valuation

Valuation & price

$40.68 · as of May 17, 2026 · -12.0% vs 52w high

14.8

P/E ratio

Latest-FY diluted EPS

1.38

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$46.21$36.28$26.35Jul 25Dec 25Jul 26Jul 7, 25$32.99Jul 9, 25$34.75Jul 11, 25$34.03Jul 15, 25$32.78Jul 17, 25$32.26Jul 21, 25$32.22Jul 23, 25$34.29Jul 25, 25$34.59Jul 29, 25$33.82Jul 31, 25$32.86Aug 4, 25$31.85Aug 6, 25$32.44Aug 11, 25$28.35Aug 13, 25$31.06Aug 15, 25$29.61Aug 19, 25$29.85Aug 21, 25$28.79Aug 25, 25$29.70Aug 27, 25$29.23Aug 29, 25$28.98Sep 3, 25$28.08Sep 5, 25$28.87Sep 9, 25$28.69Sep 11, 25$28.90Sep 16, 25$28.63Sep 18, 25$29.35Sep 22, 25$28.89Sep 24, 25$28.82Sep 26, 25$28.41Sep 30, 25$28.00Oct 2, 25$26.94Oct 6, 25$26.74Oct 8, 25$26.59Oct 10, 25$26.35Oct 14, 25$26.69Oct 16, 25$26.74Oct 21, 25$27.99Oct 23, 25$28.72Oct 27, 25$29.41Oct 29, 25$29.25Oct 31, 25$28.22Nov 4, 25$28.24Nov 6, 25$27.84Nov 10, 25$27.70Nov 12, 25$28.55Nov 14, 25$28.94Nov 18, 25$27.93Nov 20, 25$27.29Nov 25, 25$29.89Nov 28, 25$29.67Dec 2, 25$29.22Dec 4, 25$28.05Dec 8, 25$28.05Dec 10, 25$28.78Dec 12, 25$29.01Dec 16, 25$28.62Dec 18, 25$28.13Dec 22, 25$27.27Dec 24, 25$27.25Dec 29, 25$27.29Jan 2, 26$26.67Jan 6, 26$27.63Jan 8, 26$27.62Jan 12, 26$28.93Jan 14, 26$29.36Jan 16, 26$29.08Jan 21, 26$29.52Jan 23, 26$28.97Jan 27, 26$29.12Jan 29, 26$29.62Feb 2, 26$29.69Feb 4, 26$31.22Feb 9, 26$32.50Feb 11, 26$34.21Feb 13, 26$34.30Feb 18, 26$35.06Feb 20, 26$35.11Feb 24, 26$34.42Feb 26, 26$37.24Mar 2, 26$36.42Mar 4, 26$38.55Mar 6, 26$37.55Mar 10, 26$37.19Mar 12, 26$37.36Mar 17, 26$37.72Mar 19, 26$37.45Mar 23, 26$36.10Mar 25, 26$37.87Mar 27, 26$37.92Mar 31, 26$38.68Apr 2, 26$37.29Apr 7, 26$36.67Apr 9, 26$37.04Apr 13, 26$38.42Apr 15, 26$37.54Apr 17, 26$37.69Apr 22, 26$38.01Apr 24, 26$40.28Apr 28, 26$41.46Apr 30, 26$40.83May 4, 26$39.84May 6, 26$41.61May 8, 26$43.99May 12, 26$43.55May 14, 26$42.41May 18, 26$40.39May 20, 26$39.20May 22, 26$40.36May 28, 26$41.29Jun 1, 26$41.19Jun 3, 26$43.09Jun 5, 26$40.81Jun 9, 26$41.86Jun 11, 26$41.52Jun 15, 26$44.40Jun 17, 26$43.65Jun 22, 26$44.42Jun 24, 26$43.88Jun 26, 26$45.12Jul 2, 26$46.21
$26.3552-week range$46.21
Loading valuation history…

Fundamentals

Key fundamentals

$790M

Market cap

-10.2%

Revenue growth (YoY)

23.8%

Gross margin

$67.5M

Free cash flow (USD)

$984.5M

Net debt

-3.9%

Share dilution

3/4

Graham criteria passed

Defensive-investor screen

Basic Materials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$1.4BFY 2017$1.5BFY 2018$1.7BFY 2019$1.6BFY 2020$1.7BFY 2021$1.7BFY 2022$2.0BFY 2023$2.2BFY 2024$2.1BFY 2025$1.9B
$1.4B$1.9B

Free cash flow by year

2016 → 2025

FY 2016$69.6MFY 2017$34.3MFY 2018$-31.4MFY 2019$78.1MFY 2020$58.0MFY 2021$-22.0MFY 2022$-3.0MFY 2023$25.6MFY 2024$42.0MFY 2025$67.5M
$69.6M$67.5M

Gross margin by year

2021 → 2025

FY 202119.9%FY 202217.4%FY 202319.7%FY 202420.2%FY 202523.8%
19.9%23.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

3

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 8, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $150KBALL M LEROY · Director, CEO · $149.8KJun 23, 2026Filing
  • Insider sellInsider Sell $171KBALL M LEROY · Director, CEO · $171.2KJun 15, 2026Filing
  • Insider sellInsider Sell $113KBALL M LEROY · Director, CEO · $113.1KMay 14, 2026Filing
  • 8-K eventCFO AppointmentMay 11, 2026Filing
  • 8-K eventEarnings ReleaseMay 8, 2026Filing
  • Quarterly report10-Q FiledMay 8, 2026Filing
  • 8-K eventDirector Committee AppointmentMay 7, 2026Filing

Questions

Frequently asked questions

What is Koppers Holdings Inc.'s market cap?

Koppers Holdings Inc. (KOP) has a market capitalization of $790M.

What is KOP's P/E ratio?

KOP trades at a price-to-earnings ratio of 14.8, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is KOP's price-to-book (P/B) ratio?

KOP trades at 1.38 times book value per share.

Are insiders buying KOP stock?

SEC Form 4 filings show no open-market insider buys at Koppers Holdings Inc. in the last 90 days (3 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.