Transaction #7739 · Form 4 · 0001104659-25-111519
CENTURY ALUMINUM CO · Conversion · Common Stock
CENTURY ALUMINUM CO · Transacted November 10, 2025 · Filed November 13, 2025
What does this filing report?
An SEC Form 4 filing for CENTURY ALUMINUM CO records a conversion involving Common Stock on November 10, 2025. The reported quantity was 4,948,591. The filing date is November 13, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- CENTURY ALUMINUM CO
- Company CIK
- 0000949157
- Security type
- Non-derivative
- Acquisition type
- Conversion · Code C
- Quantity acquired
- 4,948,591
- Reported price
- Not reported · See footnotes
- Reference value
- Not reported
- Currency
- Currency not specified
- Ownership
- Indirect
- Holdings after transaction
- 17,505,947
- Ownership description
- See Footnote
- SEC acceptance time
- Nov 13, 2025, 5:59 PM EST
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- GLENCORE INTERNATIONAL AG ↗
10% owner
CIK 0001032383
- Glencore AG ↗
10% owner
CIK 0001449539
- Glencore plc ↗
10% owner
CIK 0001521365
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
The linked listing is identified separately from other current company listings.
Filing footnotes & remarks
- F1
- Represents shares of Common Stock acquired upon the automatic conversion of 49,485.91 shares of Series A Convertible Preferred Stock upon the consummation of the transaction reported in Line 1 of Table 1.
- F2
- Each share of Series A Convertible Preferred Stock is convertible into 100 shares of Common Stock at the times and under the circumstances described in the Certificate of Designation for the Series A Convertible Preferred Stock. The Series A Convertible Preferred Stock was acquired on July 8, 2008 and has no expiration date.
- F3
- The shares of Common Stock reported in Line 2 of Table I and the shares of Series A Convertible Preferred Stock reported in Table II are held directly by Glencore AG, a direct wholly-owned subsidiary of Glencore International AG, and may be deemed to be indirectly beneficially owned by Glencore International AG. The Common Stock reported on Line 1 of Table I is held directly by Glencore International AG. Glencore International AG is wholly-owned by Glencore plc, which may be deemed an indirect beneficial owner of the securities held by Glencore AG and Glencore International AG.
Remarks
Exhibit List: Exhibit 24.1 and Exhibit 24.2.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.