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CENX

Century Aluminum Co

Company with tickers: CENX

CIK
949157
CUSIP
156431108
Shares Outstanding
98,974,047
13F Activity (30d)
14 filings 11 filers

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-06-09 Berntzen Jarl 93,387
2026-03-25 Trpkovski Peter A 16,739
2026-03-12 Calloway Kenneth L 18,000
2026-03-04 Glencore International AG 6,315,245
2026-03-02 Hoffman Robert F 20,529
2026-02-27 Aboud Matt 30,097
2026-02-25 Gudlaugsson Gunnar 43,000
2026-02-25 Hafberg Agust F 22,884
2026-02-23 DeZee John 66,000
2026-01-23 Jesse E. Gary 300,000
2025-11-12 Glencore International AG 9,000,000
2025-09-25 Hafberg Agust F 9,493
2025-09-15 Calloway Kenneth L 16,450
2025-08-12 Aboud Matt 12,027
2025-03-17 Hoffman Robert F 12,000
2024-12-26 Jesse E. Gary 79,243
2024-12-05 Gudlaugsson Gunnar 20,000
2024-06-26 Jesse E. Gary 60,000
2023-12-26 Jesse E. Gary 138,162
Showing 1–19 of 19 filings