Century Aluminum Files 8-K Amendment

Ticker: CENX · Form: 8-K/A · Filed: Nov 21, 2025 · CIK: 949157

Sentiment: neutral

Topics: amendment, financial-reporting, sec-filing

Related Tickers: CENX

TL;DR

CENX filed an 8-K amendment, likely updating financial details. Keep an eye on what changed.

AI Summary

Century Aluminum Company filed an amendment (8-K/A) on November 21, 2025, to its report originally filed on November 6, 2025. This amendment pertains to the company's results of operations and financial condition, as well as financial statements and exhibits. The filing does not appear to introduce new material events but rather amends or supplements previously reported information.

Why It Matters

This filing indicates Century Aluminum is updating or correcting previously disclosed financial information, which could impact investor understanding of the company's performance and financial health.

Risk Assessment

Risk Level: medium — Amendments to financial reports can sometimes signal underlying issues or corrections that may affect the company's valuation.

Key Players & Entities

FAQ

What specific information is being amended or supplemented in this 8-K/A filing?

The filing indicates it pertains to 'Results of Operations and Financial Condition' and 'Financial Statements and Exhibits', suggesting amendments or supplements to previously reported financial data.

What was the original filing date that this amendment relates to?

The original filing date was November 6, 2025.

What is the filing date of this amendment?

This amendment was filed on November 21, 2025.

What is the primary business of Century Aluminum Company?

Century Aluminum Company is involved in the primary production of aluminum.

In which state is Century Aluminum Company incorporated?

Century Aluminum Company is incorporated in Delaware.

Filing Stats: 764 words · 3 min read · ~3 pages · Grade level 11.7 · Accepted 2025-11-21 16:18:04

Key Financial Figures

Filing Documents

02. Results of Operations and Financial Condition

Item 2.02. Results of Operations and Financial Condition. On November 6, 2025, Century Aluminum Company (the "Company") issued a press release announcing its results of operations for quarter ended September 30, 2025. A copy of the Company's press release is attached as Exhibit 99.1 and is incorporated herein by reference. The Company will hold a follow-up conference call on Thursday, November 6, 2025, at 5:00 p.m. Eastern Time. The earnings call will be webcast live on the Company's website, located at www.centuryaluminum.com. Anyone interested in listening to the live webcast should plan to begin the registration process for the webcast at least 10 minutes before the live call is scheduled to begin. A replay of the webcast and associated presentation materials will be archived and available for replay approximately two hours following the live call. The information in this Current Report and Exhibit 99.1 attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

01. Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits. (d) Exhibits Exhibit Number Description 99.1 Press Release dated November 6, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CENTURY ALUMINUM COMPANY Date: November 21, 2025 By: /s/ PETER TRPKOVSKI Name: Peter Trpkovski Title: Executive Vice President, Chief Financial Officer and Treasurer (Principal Financial Officer)

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