Form4insider filings, from the source

Insider · CIK 0001355035

Jarl Berntzen

Files at: CENX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 15, 2026 AForm 4 →Jun 17, 4:45 pm EDTCENTURY ALUMINUM COCENX2,172——211,123—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.