SEC Form 4 · accession 0001628280-26-043946
CENTURY ALUMINUM CO · CENX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Andrew G Michelmore
Director
Period of report
Jun 15, 2026
Accepted (ET)
Jun 17, 2026 · 4:41 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000949157
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jun 15, 2026 | A | 2,172 | $0.00 | A | 91,261 | D | |
| Common StockF2 | Jun 15, 2026 | F | 652 | $54.55 | D | 90,609 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents annual grant of restricted stock units ("RSUs"), all of which vested on the date of grant.
- F2Represents shares withheld by the Issuer upon vesting of the RSUs to satisfy tax obligations.