Welcome to our dedicated page for CENTURY ALUMINUM 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.
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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.
Century Aluminum Co. (CENX) filed a Form 4 showing that director Jennifer Mary Bush received an annual equity award on 06/16/2025. The grant consists of 7,778 restricted stock units (RSUs) issued at no cost. Following the award, Bush’s direct beneficial ownership rose to 46,872 common shares. The RSUs vest in full on the earlier of (i) the 12-month anniversary of the grant date, (ii) the company’s next regular annual shareholder meeting, or (iii) certain other events stipulated in the award agreement. No derivative securities were involved and no shares were sold. The filing, signed on 06/18/2025, reflects routine board compensation and does not represent an open-market transaction.