SEPTInvestingStart Free
Stocks/CENX/SEC Filings/8-K Nov 5, 2026

CENX 8-K: SEC filing

Century Aluminum

Filed with the SEC on Nov 5, 2026 · accession 0001628280-26-071024

CENX filed a 8-K (current report) with the SEC on Nov 5, 2026. Century Aluminum reported third quarter 2026 results with net sales of $961.2 million and net income of $302.6 million, driven by the restart of Line 2 at its Grundartangi, Iceland facility and favorable metal prices. The stock moved -8.3% by the first close after the filing.

Summary of the filing

Century Aluminum reported third quarter 2026 results with net sales of $961.2 million and net income of $302.6 million, driven by the restart of Line 2 at its Grundartangi, Iceland facility and favorable metal prices. The company provided fourth quarter 2026 Adjusted EBITDA guidance of $275-$300 million.

For details, click here →How to read a 8-K →

Key details

Q3 2026 net sales$961.2M
Q3 2026 net income attributable to Century$302.6M
Q3 2026 adjusted net income attributable to Century$271.6M
Q3 2026 adjusted EBITDA attributable to Century$331.6M
Q4 2026 Adjusted EBITDA guidance low end$275.0M
Q4 2026 Adjusted EBITDA guidance high end$300.0M
IssuerCentury Aluminum Company

How CENX stock reacted

Close before

$32.80

Nov 4, 2026

First close after

-8.32%

$30.07

5 trading days

—

Since filing

—

✦ Ask GOAX AI about this filing — what it means for CENX, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for CENX?

Click here

Frequently asked questions

What did CENX file with the SEC on Nov 5, 2026?

CENX filed a 8-K (SEC filing). Century Aluminum reported third quarter 2026 results with net sales of $961.2 million and net income of $302.6 million, driven by the restart of Line 2 at its Grundartangi, Iceland facility and favorable metal prices. The company provided fourth quarter 2026 Adjusted EBITDA guidance of $275-$300 million.

How do I read a 8-K?

A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.

How did CENX stock react to this filing?

CENX closed at $32.80 before the filing and $30.07 on Nov 5, 2026 (-8.32%).

Other CENX SEC filings

  • 10-Q · Material agreementNov 5, 2026
  • 8-K · Guidance raiseAug 6, 2026
  • 10-Q · Material agreementAug 6, 2026
  • 8-K · Board changeJun 17, 2026
  • 10-Q · SEC filingMay 7, 2026
  • 8-K · SEC filingMay 7, 2026
  • DEF 14A · Board changeApr 24, 2026

Get alerts when CENX files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
CENX overviewCENX analysisCENX newsLatest SEC filings
Source: SEC EDGAR filing 0001628280-26-071024. The summary and key details are extracted by SEPT from the filing and may contain errors. Price reaction uses daily closing prices. Not financial advice.