Form 4 for CENX CENTURY ALUMINUM CO
Accepted 2026-06-17 16:41:59 ET · period of report 2026-06-15 · accession 0001628280-26-043946 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-17 16:41 | 2026-06-15 | CENX | Michelmore Andrew G | Dir | A - Grant | $0.00 | +2,172 | 91.3K | +2% | $0 | |
| 2026-06-17 16:41 | 2026-06-15 | CENX | Michelmore Andrew G | Dir | F - Tax | $54.55 | -652 | 90.6K | -0.7% | -$35.6K |
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 | 2026-06-15 | A | A | 2,172 | $0.00 | 91,261 | D | — | — | (F1) Represents annual grant of restricted stock units ("RSUs"), all of which vested on the date of grant. |
| 2 | Common | Common Stock | 2026-06-15 | F | D | 652 | $54.55 | 90,609 | D | — | — | (F2) Represents shares withheld by the Issuer upon vesting of the RSUs to satisfy tax obligations. |