Welcome to our dedicated page for Century Alum Co SEC filings (Ticker: CENX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. Securities and Exchange Commission filings for Century Aluminum Company (NASDAQ: CENX), an integrated producer of bauxite, alumina and primary aluminum products headquartered in Chicago, Illinois. Century Aluminum’s common stock is listed on the Nasdaq Global Select Market, and the company files annual, quarterly and current reports that detail its operations, financial condition, capital structure and material events.
Century Aluminum’s SEC filings include annual reports on Form 10-K and quarterly reports on Form 10-Q, which present audited and unaudited financial statements, risk factors, management’s discussion and analysis and other disclosures. Investors can review information on net sales to related parties and other customers, aluminum shipments, cost of goods sold, gross profit, operating income, interest expense, derivative contract results, liquidity and debt obligations. These filings also describe the company’s integrated operations in the United States, Iceland, the Netherlands and Jamaica and its position as the largest producer of primary aluminum in the United States.
Current reports on Form 8-K provide timely updates on specific events. Recent 8-K filings have covered quarterly earnings announcements, an electrical equipment failure at the Grundartangi aluminum smelter in Iceland, the pricing and closing of 6.875% Senior Secured Notes due 2032, and amendments to Century Aluminum’s loan and security agreement. These filings describe the terms of the senior secured notes, related guarantees and collateral, the use of proceeds to refinance existing notes and repay credit facilities, and changes to the company’s credit facility maturity and other terms.
Through this filings page, users can also review exhibits such as indentures, security agreements, collateral agency agreements and credit facility amendments that define Century Aluminum’s debt structure and covenant framework. AI-powered tools on the platform can summarize lengthy documents, highlight key terms in 10-K and 10-Q reports, and explain complex financing arrangements and risk disclosures in plain language, helping users interpret the implications of Century Aluminum’s SEC filings for its CENX stock.
Kenneth L. Calloway, Senior Vice President, Human Resources of Century Aluminum Company (CENX), reported a sale of company stock on 09/19/2025. The Form 4 shows a disposition of 16,450 shares at a price of $27.50 per share. After the reported transaction, Calloway beneficially owned 28,706 shares, an amount the filing notes includes unvested restricted stock units granted under the issuer's long-term incentive plans. The filing was signed by an attorney-in-fact on 09/23/2025 and is submitted pursuant to Section 16 reporting requirements.
CENTURY ALUMINUM CO (CENX) filed a Form 144 to report a proposed sale of 16,450 shares of common stock through Charles Schwab & Co., scheduled approximately for 09/15/2025. The filing shows an aggregate market value of $433,457.50 and states there are 93,339,121 shares outstanding. The shares were acquired on 12/30/2022 as restricted stock grants from the issuer and were issued for services rendered. The filer certifies they are not aware of undisclosed material adverse information.
Matt Aboud, Senior Vice President of Strategy & Business Development at Century Aluminum Co. (CENX), reported a sale of 12,027 shares of the issuer's common stock on 08/12/2025 at a reported price of $23.27 per share. After the transaction, the reporting person beneficially owned 62,589 shares in total. The filing notes that the post-transaction balance includes unvested RSUs granted under the company’s long-term incentive plans. The transaction was reported on a Form 4 as required for officers and other insiders.
Century Aluminum Co (CENX) filed a Form 144 notifying a proposed sale of 12,027 common shares through Charles Schwab with an aggregate market value of $277,102.08. The notice lists 93,339,121 shares outstanding and an approximate sale date of 08/12/2025 on NASDAQ.
The shares were acquired via restricted stock unit vesting: 8,956 shares on 12/31/2021 and 3,071 shares on 12/31/2024. The filer reports no securities sold during the past three months and attests there is no undisclosed material adverse information.
Century Aluminum (CENX) – Form 4 insider filing
Director Errol Glasser reported the annual equity award granted on 16 Jun 2025. The filing shows an acquisition (code “A”) of 7,778 restricted stock units (RSUs) at a price of $0, reflecting standard non-cash director compensation. All RSUs vested immediately on the grant date.
Following the transaction, Mr. Glasser’s direct beneficial ownership increases to 118,697 common shares. The total includes shares issuable from previously vested RSUs that have been deferred under an earlier election. No open-market purchases, sales, derivative positions, or additional insider activity were disclosed.
The event is routine and does not alter the company’s capital structure, but it modestly aligns director interests with shareholders by expanding equity exposure.