Form 4 for CENX CENTURY ALUMINUM CO
Accepted 2025-11-13 00:00:00 ET · period of report 2025-11-10 · accession 0001104659-25-111519 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-11-13 | 2025-11-10 | CENX | GLENCORE INTERNATIONAL AG | 10% | S - Sale | $30.25 | -9.00M | 18.50M | -33% | -$272.25M |
| DI | 2025-11-13 | 2025-11-10 | CENX | GLENCORE INTERNATIONAL AG | 10% | C - Cnv Deriv | — | +4.95M | 17.51M | +39% | — |
| DI | 2025-11-13 | 2025-11-10 | CENX | GLENCORE INTERNATIONAL AG | 10% | C - Cnv Deriv | — | -49.5K | 0 | -100% | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-11-10 | S | D | 9,000,000 | $30.25 | 18,500,000 | D See Footnote | — | — | (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. |
| 2 | Common | Common Stock | 2025-11-10 | C | A | 4,948,591 | — | 17,505,947 | I | — | — | (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. |
| 3 | Derivative | Series A Convertible Preferred Stock | 2025-11-10 | C | D | 49,485.91 | — | 0 | I See Footnote | — · — to — | 4,948,591 Common Stock | (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. |