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Century Aluminum Company (CENX)

Century Aluminum Company at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Century Aluminum Company (CENX) is a Aluminum company based in US with a market capitalization of $6.5B. Revenue grew 13.8% year-over-year and the company generated $84.8M in free cash flow. This page tracks CENX's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 2.97K employees · IPO Mar 29, 1996

Valuation

Valuation & price

$56.82 · as of May 17, 2026 · -17.4% vs 52w high

129.5

P/E ratio

Latest-FY diluted EPS

7.86

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$67.94$43.16$18.37Jul 25Dec 25Jul 26Jul 7, 25$18.37Jul 9, 25$18.48Jul 11, 25$20.71Jul 15, 25$20.02Jul 17, 25$20.09Jul 21, 25$22.20Jul 23, 25$22.79Jul 25, 25$22.90Jul 29, 25$22.33Jul 31, 25$21.18Aug 4, 25$20.41Aug 6, 25$21.50Aug 11, 25$22.49Aug 13, 25$23.82Aug 15, 25$23.26Aug 19, 25$21.95Aug 21, 25$21.97Aug 25, 25$22.29Aug 27, 25$22.70Aug 29, 25$22.33Sep 3, 25$22.16Sep 5, 25$22.09Sep 9, 25$21.74Sep 11, 25$24.52Sep 16, 25$26.05Sep 18, 25$26.90Sep 22, 25$27.35Sep 24, 25$25.85Sep 26, 25$27.99Sep 30, 25$29.36Oct 2, 25$29.82Oct 6, 25$29.14Oct 8, 25$31.60Oct 10, 25$30.29Oct 14, 25$32.01Oct 16, 25$32.49Oct 21, 25$30.99Oct 23, 25$29.94Oct 27, 25$30.70Oct 29, 25$28.71Oct 31, 25$29.62Nov 4, 25$28.50Nov 6, 25$28.98Nov 10, 25$32.31Nov 12, 25$29.57Nov 14, 25$28.78Nov 18, 25$27.21Nov 20, 25$26.19Nov 25, 25$28.48Nov 28, 25$29.97Dec 2, 25$29.68Dec 4, 25$30.86Dec 8, 25$30.61Dec 10, 25$30.29Dec 12, 25$31.56Dec 16, 25$32.22Dec 18, 25$33.81Dec 22, 25$37.19Dec 24, 25$39.31Dec 29, 25$39.04Jan 2, 26$40.94Jan 6, 26$42.23Jan 8, 26$43.24Jan 12, 26$47.01Jan 14, 26$47.92Jan 16, 26$47.57Jan 21, 26$47.75Jan 23, 26$48.71Jan 27, 26$47.82Jan 29, 26$48.93Feb 2, 26$47.32Feb 4, 26$47.53Feb 9, 26$54.36Feb 11, 26$53.44Feb 13, 26$46.04Feb 18, 26$50.22Feb 20, 26$52.64Feb 24, 26$53.51Feb 26, 26$52.21Mar 2, 26$51.36Mar 4, 26$53.43Mar 6, 26$53.69Mar 10, 26$53.56Mar 12, 26$57.71Mar 17, 26$56.49Mar 19, 26$49.65Mar 23, 26$46.48Mar 25, 26$50.19Mar 27, 26$49.65Mar 31, 26$58.69Apr 2, 26$62.57Apr 7, 26$66.03Apr 9, 26$66.31Apr 13, 26$67.94Apr 15, 26$64.09Apr 17, 26$62.24Apr 22, 26$63.09Apr 24, 26$60.74Apr 28, 26$59.31Apr 30, 26$59.44May 4, 26$59.79May 6, 26$62.62May 8, 26$58.91May 12, 26$63.27May 14, 26$61.44May 18, 26$54.92May 20, 26$58.78May 22, 26$65.05May 28, 26$67.53Jun 1, 26$63.91Jun 3, 26$67.04Jun 5, 26$60.12Jun 9, 26$60.91Jun 11, 26$60.94Jun 15, 26$54.55Jun 17, 26$54.31Jun 22, 26$49.53Jun 24, 26$44.50Jun 26, 26$46.33Jul 2, 26$43.76
$18.3752-week range$68.77
Loading valuation history…

Fundamentals

Key fundamentals

$6.5B

Market cap

13.8%

Revenue growth (YoY)

10.1%

Gross margin

$84.8M

Free cash flow (USD)

$412.7M

Net debt

1.5%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Basic Materials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$1.3BFY 2017$1.6BFY 2018$1.9BFY 2019$1.8BFY 2020$1.6BFY 2021$2.2BFY 2022$2.8BFY 2023$2.2BFY 2024$2.2BFY 2025$2.5B
$1.3B$2.5B

Free cash flow by year

2016 → 2025

FY 2016$16.2MFY 2017$16.0MFY 2018$-152.1MFY 2019$-41.9MFY 2020$29.5MFY 2021$-147.7MFY 2022$-60.4MFY 2023$10.6MFY 2024$-106.9MFY 2025$84.8M
$16.2M$84.8M

Gross margin by year

2021 → 2025

FY 20215.6%FY 20221.7%FY 20234.2%FY 20248.3%FY 202510.1%
5.6%10.1%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventAnnual Meeting ResultsJun 17, 2026Filing
  • 8-K eventEarnings ReleaseMay 7, 2026Filing
  • Quarterly report10-Q FiledMay 7, 2026Filing

Questions

Frequently asked questions

What is Century Aluminum Company's market cap?

Century Aluminum Company (CENX) has a market capitalization of $6.5B.

What is CENX's P/E ratio?

CENX trades at a price-to-earnings ratio of 129.5, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

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

CENX trades at 7.86 times book value per share.

Are insiders buying CENX stock?

SEC Form 4 filings show no open-market insider buys at Century Aluminum Company in the last 90 days (0 sells).

Same arena

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Timeline

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

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

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.