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Century Aluminum Company (CENX)10% owner sold ~$272M

GLENCORE INTERNATIONAL AG, 10% owner at Century Aluminum Company, sold ~$272M of Century Aluminum Company shares.

~$272M
Approx. value · 9M sh @ $30.25
18.5M
Holds after · shares reported
Traded
Nov 10, 2025
Filed
Nov 14, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Sep 19, 2025InsiderOfficer sold ~$452K of CENX shares in the open market
  2. Sep 26, 2025InsiderOfficer sold ~$265K of CENX shares in the open market
  3. Nov 6, 2025Company filing · Form 8-K · Acquisition or saleCompleted buying or selling a business or assets
  4. Nov 6, 2025Company filing · Form 8-K · ResultsReported its results
  5. Nov 10, 2025 · this disclosureInsider10% owner sold ~$272M of CENX shares in the open market

What came next

  1. Jan 23, 2026Insider · Their largest sale since 2019CEO sold ~$7.23M of CENX shares in the open market
  2. Feb 2, 2026Company filing · Form 8-K · Material agreement, Acquisition or saleCompleted buying or selling a business or assets, and signed an important agreement (and 1 more item)“On February 2, 2026, CAKY completed the sale of the Property to the Purchaser pursuant to the terms of the Purchase and Sale Agreement. The information set forth under the subheading “Purchase and Sale Agreement” in Item 1.01 is incorporated by reference into this”
  3. Feb 19, 2026Company filing · Form 8-K · ResultsReported its results
  4. Feb 23, 2026Insider · 7 days before an 8-KOfficer sold ~$3.35M of CENX shares in the open market
  5. Feb 25, 2026Insider · 5 days before an 8-KOfficer sold ~$2.33M of CENX shares in the open market
  6. Feb 27, 2026Insider · 3 days before an 8-KOfficer sold ~$1.17M of CENX shares in the open market
  7. Mar 2, 2026Company filing · Form 8-K · RestatementSaid past financial statements can no longer be relied on
  8. Mar 2, 2026InsiderOfficer sold ~$637K of CENX shares in the open market
  9. Mar 3, 2026InsiderOfficer sold ~$156K of CENX shares in the open market
  10. Mar 4, 2026Insider · 2 peopleInsiders: 2 sales (~$327.4M)
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Century Aluminum Company

For Century Aluminum Company, OQRO holds 3 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its CENX page.

Other recent filings by GLENCORE INTERNATIONAL AG, 10% owner

The full history of GLENCORE INTERNATIONAL AG, 10% owner is on the profile page.

How this filing works

Other disclosures at Century Aluminum Company

Everything OQRO holds on this company is on its CENX page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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