Form 4 for CENX CENTURY ALUMINUM CO
Accepted 2026-01-05 00:00:00 ET · period of report 2025-12-31 · accession 0001628280-26-000570 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-01-05 | 2025-12-31+ | CENX | Hafberg Agust F | SVP, Chief Commercial Off | A - Grant | $0.00 | +36.1K | 67.9K | +113% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | Hafberg Agust F | SVP, Chief Commercial Off | F - Tax | $39.18 | -23.4K | 62.7K | -27% | -$918.1K |
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 | 2025-12-31 | A | A | 30,878 | $0.00 | 86,138 | D | — | — | (F1) Represents shares of common stock acquired by the Reporting Person upon the vesting of PSUs granted in connection with the Issuer's 2023-2025 Long-Term Incentive Plan under Rule 16b-3(d). |
| 2 | Common | Common Stock | 2025-12-31 | F | D | 15,622 | $39.18 | 70,516 | D | — | — | (F2) Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of PSUs granted to the Reporting Person. |
| 3 | Common | Common Stock | 2025-12-31 | F | D | 7,811 | $39.18 | 62,705 | D | — | — | (F3) Shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of RSUs previously granted to the Reporting Person on January 1, 2023. |
| 4 | Common | Common Stock | 2026-01-01 | A | A | 5,238 | $0.00 | 67,943 | D | — | — | (F4) Represents RSUs granted to the Reporting Person in connection with the Issuer's 2026-2028 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest on December 31, 2028, subject to the Plan's terms and conditions. (F5) Includes unvested RSUs granted to the Reporting Person under the Issuer's Long-Term Incentive Plans. |