CENX · Century Aluminum Company Common Stock
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| GLENCORE INTERNATIONAL AG 10% Owner | ▼ Sell | Open Market | 12,184,755 Shares held | 3/4/2026 | View profile |
| Glencore AG 10% Owner | ▼ Sell | Other | 11,701,321 Shares held | 9/30/2022 | View profile |
| Jarl Berntzen Director | ▲ Buy | Grant | 211,123 Shares held | 6/15/2026 | View profile |
| Jesse E. Gary President & CEO | ▼ Sell | Open Market | 142,580 Shares held | 3/16/2026 | View profile |
| Gunnar Gudlaugsson EVP - Global Operations | ▼ Sell | Open Market | 136,393 Shares held | 2/25/2026 | View profile |
| Errol Glasser Director | ▲ Buy | Grant | 120,869 Shares held | 6/15/2026 | View profile |
| Conti Craig C EVP and CFO | ▼ Sell | Open Market | 117,018 Shares held | 3/1/2022 | View profile |
| Bialek Gerald C Chief Financial Officer | ▲ Buy | Grant | 100,620 Shares held | 1/1/2025 | View profile |
| John DeZee EVP, GC & SECRETARY | ▼ Sell | Open Market | 97,647 Shares held | 2/23/2026 | View profile |
| Andrew G. Michelmore Director | ▼ Sell | Tax Withholding | 90,609 Shares held | 6/15/2026 | View profile |
| Harrison Michelle Sr. VP Finance & Treasurer | ▲ Buy | Grant | 80,947 Shares held | 1/1/2023 | View profile |
| Matt Aboud SVP, Strategy & Business Dev't | ▼ Sell | Open Market | 64,843 Shares held | 3/3/2026 | View profile |
| Peter A. Trpkovski SVP, Finance and Treasurer | ▼ Sell | Open Market | 64,125 Shares held | 3/25/2026 | View profile |
| Robert F. Hoffman | ▼ Sell | Open Market | 56,643 Shares held | 3/11/2026 | View profile |
| Jennifer Mary Bush VP & Pres. - Power Systems | ▲ Buy | Grant | 49,044 Shares held | 6/15/2026 | View profile |
| Agust F. Hafberg SVP & Chief Commercial Officer | ▼ Sell | Open Market | 45,059 Shares held | 2/27/2026 | View profile |
| Tamla A. Olivier Director | ▲ Buy | Grant | 31,845 Shares held | 6/15/2026 | View profile |
| Kenneth L. Calloway SVP, Human Resources | ▼ Sell | Open Market | 24,902 Shares held | 3/12/2026 | View profile |
| Ryfold Ltd 10% Owner | ▼ Sell | Other | 0 Shares held | 12/15/2022 | View profile |
Transaction History
| Andrew G. Michelmore | ▲ Buy | Grant | 2,172 | $0 | 6/15/2026 |
| Andrew G. Michelmore | ▼ Sell | Tax Withholding | 652 | $36K | 6/15/2026 |
| Jennifer Mary Bush | ▲ Buy | Grant | 2,172 | $0 | 6/15/2026 |
| Tamla A. Olivier | ▲ Buy | Grant | 2,172 | $0 | 6/15/2026 |
| Jarl Berntzen | ▲ Buy | Grant | 2,172 | $0 | 6/15/2026 |
| Errol Glasser | ▲ Buy | Grant | 2,172 | $0 | 6/15/2026 |
| Peter A. Trpkovski | ▼ Sell | Open Market | 16,739 | $845K | 3/25/2026 |
| Jesse E. Gary | ▼ Sell | Open Market | 150,000 | $8.3M | 3/16/2026 |
| Kenneth L. Calloway | ▼ Sell | Open Market | 18,000 | $1.0M | 3/12/2026 |
| Robert F. Hoffman | ▼ Sell | Open Market | 10,529 | $595K | 3/11/2026 |
| Robert F. Hoffman | ▼ Sell | Open Market | 10,000 | $563K | 3/4/2026 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Open Market | 6,315,245 | $326.8M | 3/4/2026 |
| Matt Aboud | ▼ Sell | Open Market | 2,971 | $156K | 3/3/2026 |
| Matt Aboud | ▼ Sell | Open Market | 12,126 | $637K | 3/2/2026 |
| Agust F. Hafberg | ▼ Sell | Open Market | 22,884 | $1.2M | 2/27/2026 |
| Gunnar Gudlaugsson | ▼ Sell | Open Market | 43,000 | $2.3M | 2/25/2026 |
| John DeZee | ▼ Sell | Open Market | 66,000 | $3.3M | 2/23/2026 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 4,240 | $230K | 2/9/2026 |
| Jesse E. Gary | ▼ Sell | Open Market | 150,000 | $7.2M | 1/23/2026 |
| Jesse E. Gary | ▼ Sell | Gift | 314,611 | $0 | 1/12/2026 |
| Jesse E. Gary | ▼ Sell | Gift | 314,611 | $0 | 1/12/2026 |
| Peter A. Trpkovski | ▲ Buy | Grant | 13,488 | $0 | 1/1/2026 |
| Robert F. Hoffman | ▲ Buy | Grant | 5,122 | $0 | 1/1/2026 |
| John DeZee | ▲ Buy | Grant | 9,821 | $0 | 1/1/2026 |
| Kenneth L. Calloway | ▲ Buy | Grant | 5,238 | $0 | 1/1/2026 |
| Matt Aboud | ▲ Buy | Grant | 5,529 | $0 | 1/1/2026 |
| Jesse E. Gary | ▲ Buy | Grant | 57,443 | $0 | 1/1/2026 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 15,624 | $0 | 1/1/2026 |
| Agust F. Hafberg | ▲ Buy | Grant | 5,238 | $0 | 1/1/2026 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 4,045 | $158K | 12/31/2025 |
| Robert F. Hoffman | ▲ Buy | Grant | 31,650 | $0 | 12/31/2025 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 12,455 | $488K | 12/31/2025 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 6,228 | $244K | 12/31/2025 |
| John DeZee | ▲ Buy | Grant | 54,042 | $0 | 12/31/2025 |
| John DeZee | ▼ Sell | Tax Withholding | 21,163 | $829K | 12/31/2025 |
| John DeZee | ▼ Sell | Tax Withholding | 11,971 | $469K | 12/31/2025 |
| Kenneth L. Calloway | ▲ Buy | Grant | 18,150 | $0 | 12/31/2025 |
| Kenneth L. Calloway | ▼ Sell | Tax Withholding | 5,469 | $214K | 12/31/2025 |
| Kenneth L. Calloway | ▼ Sell | Tax Withholding | 3,723 | $146K | 12/31/2025 |
| Matt Aboud | ▲ Buy | Grant | 36,550 | $0 | 12/31/2025 |
| Matt Aboud | ▼ Sell | Tax Withholding | 16,485 | $646K | 12/31/2025 |
| Matt Aboud | ▼ Sell | Tax Withholding | 8,243 | $323K | 12/31/2025 |
| Jesse E. Gary | ▲ Buy | Grant | 439,090 | $0 | 12/31/2025 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 203,131 | $8.0M | 12/31/2025 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 67,711 | $2.7M | 12/31/2025 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 82,794 | $0 | 12/31/2025 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 41,886 | $1.6M | 12/31/2025 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 20,943 | $821K | 12/31/2025 |
| Agust F. Hafberg | ▲ Buy | Grant | 30,878 | $0 | 12/31/2025 |
| Agust F. Hafberg | ▼ Sell | Tax Withholding | 15,622 | $612K | 12/31/2025 |
| Agust F. Hafberg | ▼ Sell | Tax Withholding | 7,811 | $306K | 12/31/2025 |
| Peter A. Trpkovski | ▲ Buy | Grant | 18,260 | $0 | 12/31/2025 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 8,090 | $317K | 12/31/2025 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 4,948,591 | — | 11/10/2025 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Open Market | 9,000,000 | $272.3M | 11/10/2025 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 2,848 | — | 9/30/2025 |
| Agust F. Hafberg | ▼ Sell | Open Market | 9,493 | $265K | 9/26/2025 |
| Kenneth L. Calloway | ▼ Sell | Open Market | 16,450 | $452K | 9/19/2025 |
| Matt Aboud | ▼ Sell | Open Market | 12,027 | $280K | 8/12/2025 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 16,477 | — | 6/30/2025 |
| Errol Glasser | ▲ Buy | Grant | 7,778 | $0 | 6/16/2025 |
| Tamla A. Olivier | ▲ Buy | Grant | 7,778 | $0 | 6/16/2025 |
| Andrew G. Michelmore | ▲ Buy | Grant | 7,778 | $0 | 6/16/2025 |
| Andrew G. Michelmore | ▼ Sell | Tax Withholding | 2,333 | $41K | 6/16/2025 |
| Jennifer Mary Bush | ▲ Buy | Grant | 7,778 | $0 | 6/16/2025 |
| Jarl Berntzen | ▲ Buy | Grant | 7,778 | $0 | 6/16/2025 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 3,593 | — | 3/31/2025 |
| Peter A. Trpkovski | ▲ Buy | Grant | 12,455 | $0 | 3/21/2025 |
| Robert F. Hoffman | ▼ Sell | Open Market | 5,000 | $101K | 3/20/2025 |
| Robert F. Hoffman | ▼ Sell | Open Market | 2,500 | $50K | 3/14/2025 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 4,501 | $84K | 2/7/2025 |
| Jesse E. Gary | ▼ Sell | Gift | 127,216 | $0 | 1/28/2025 |
| Jesse E. Gary | ▼ Sell | Gift | 127,216 | $0 | 1/28/2025 |
| Agust F. Hafberg | ▲ Buy | Grant | 7,787 | $0 | 1/1/2025 |
| John DeZee | ▲ Buy | Grant | 15,244 | $0 | 1/1/2025 |
| Kenneth L. Calloway | ▲ Buy | Grant | 7,787 | $0 | 1/1/2025 |
| Peter A. Trpkovski | ▲ Buy | Grant | 6,046 | $0 | 1/1/2025 |
| Bialek Gerald C | ▲ Buy | Grant | 17,534 | $0 | 1/1/2025 |
| Matt Aboud | ▲ Buy | Grant | 8,935 | $0 | 1/1/2025 |
| Robert F. Hoffman | ▲ Buy | Grant | 8,257 | $0 | 1/1/2025 |
| Jesse E. Gary | ▲ Buy | Grant | 84,038 | $0 | 1/1/2025 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 24,582 | $0 | 1/1/2025 |
| Robert F. Hoffman | ▲ Buy | Grant | 13,723 | $0 | 12/31/2024 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 5,401 | $98K | 12/31/2024 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 1,852 | $34K | 12/31/2024 |
| Agust F. Hafberg | ▼ Sell | Tax Withholding | 2,481 | $45K | 12/31/2024 |
| John DeZee | ▲ Buy | Grant | 26,036 | $0 | 12/31/2024 |
| John DeZee | ▼ Sell | Tax Withholding | 7,629 | $139K | 12/31/2024 |
| John DeZee | ▼ Sell | Tax Withholding | 2,616 | $48K | 12/31/2024 |
| Kenneth L. Calloway | ▲ Buy | Grant | 7,267 | $0 | 12/31/2024 |
| Kenneth L. Calloway | ▼ Sell | Tax Withholding | 3,280 | $60K | 12/31/2024 |
| Kenneth L. Calloway | ▼ Sell | Tax Withholding | 1,125 | $20K | 12/31/2024 |
| Matt Aboud | ▲ Buy | Grant | 16,314 | $0 | 12/31/2024 |
| Matt Aboud | ▼ Sell | Tax Withholding | 7,358 | $134K | 12/31/2024 |
| Matt Aboud | ▼ Sell | Tax Withholding | 2,523 | $46K | 12/31/2024 |
| Peter A. Trpkovski | ▲ Buy | Grant | 4,624 | $0 | 12/31/2024 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 2,049 | $37K | 12/31/2024 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 703 | $13K | 12/31/2024 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 210,162 | — | 12/31/2024 |
| Jesse E. Gary | ▲ Buy | Grant | 185,848 | $0 | 12/31/2024 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 82,331 | $1.5M | 12/31/2024 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 18,849 | $343K | 12/31/2024 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 35,199 | $0 | 12/31/2024 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 17,804 | $324K | 12/31/2024 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 6,105 | $111K | 12/31/2024 |
| Agust F. Hafberg | ▲ Buy | Grant | 14,304 | $0 | 12/31/2024 |
| Agust F. Hafberg | ▼ Sell | Tax Withholding | 7,235 | $132K | 12/31/2024 |
| Jesse E. Gary | ▼ Sell | Open Market | 50,000 | $924K | 12/27/2024 |
| Jesse E. Gary | ▼ Sell | Open Market | 29,243 | $555K | 12/26/2024 |
| Gunnar Gudlaugsson | ▼ Sell | Open Market | 20,000 | $477K | 12/5/2024 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 13,192 | — | 9/30/2024 |
| Jesse E. Gary | ▼ Sell | Gift | 17,549 | $0 | 7/11/2024 |
| Jesse E. Gary | ▼ Sell | Gift | 17,549 | $0 | 7/11/2024 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 13,958 | $233K | 7/1/2024 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 29,014 | — | 6/30/2024 |
| Jesse E. Gary | ▼ Sell | Open Market | 60,000 | $973K | 6/26/2024 |
| Tamla A. Olivier | ▲ Buy | Grant | 7,070 | $0 | 6/3/2024 |
| Jarl Berntzen | ▲ Buy | Grant | 7,070 | $0 | 6/3/2024 |
| Jennifer Mary Bush | ▲ Buy | Grant | 7,070 | $0 | 6/3/2024 |
| Errol Glasser | ▲ Buy | Grant | 7,070 | $0 | 6/3/2024 |
| Andrew G. Michelmore | ▲ Buy | Grant | 7,070 | $0 | 6/3/2024 |
| Andrew G. Michelmore | ▼ Sell | Tax Withholding | 2,121 | $38K | 6/3/2024 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 4,562 | — | 3/31/2024 |
| Matt Aboud | ▼ Sell | Open Market | 3,766 | $40K | 3/4/2024 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 3,211 | $33K | 2/9/2024 |
| Jesse E. Gary | ▼ Sell | Gift | 46,004 | $0 | 1/19/2024 |
| Jesse E. Gary | ▼ Sell | Gift | 46,004 | $0 | 1/19/2024 |
| John DeZee | ▲ Buy | Grant | 23,707 | $0 | 1/1/2024 |
| Robert F. Hoffman | ▲ Buy | Grant | 14,472 | $0 | 1/1/2024 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 47,364 | $0 | 1/1/2024 |
| Jesse E. Gary | ▲ Buy | Grant | 135,746 | $0 | 1/1/2024 |
| Bialek Gerald C | ▲ Buy | Grant | 35,974 | $0 | 1/1/2024 |
| Matt Aboud | ▲ Buy | Grant | 17,379 | $0 | 1/1/2024 |
| Peter A. Trpkovski | ▲ Buy | Grant | 11,841 | $0 | 1/1/2024 |
| Jesse E. Gary | ▲ Buy | Grant | 26,745 | $0 | 12/31/2023 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 11,849 | $144K | 12/31/2023 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 24,742 | $300K | 12/31/2023 |
| John DeZee | ▼ Sell | Tax Withholding | 1,206 | $15K | 12/31/2023 |
| John DeZee | ▼ Sell | Tax Withholding | 2,826 | $34K | 12/31/2023 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 5,721 | $0 | 12/31/2023 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 2,892 | $35K | 12/31/2023 |
| Robert F. Hoffman | ▲ Buy | Grant | 2,425 | $0 | 12/31/2023 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 2,519 | $31K | 12/31/2023 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 1,075 | $13K | 12/31/2023 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 6,779 | $82K | 12/31/2023 |
| John DeZee | ▲ Buy | Grant | 4,114 | $0 | 12/31/2023 |
| Matt Aboud | ▲ Buy | Grant | 2,052 | $0 | 12/31/2023 |
| Matt Aboud | ▼ Sell | Tax Withholding | 926 | $11K | 12/31/2023 |
| Matt Aboud | ▼ Sell | Tax Withholding | 2,169 | $26K | 12/31/2023 |
| Peter A. Trpkovski | ▼ Sell | Tax Withholding | 1,009 | $12K | 12/31/2023 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 122,393 | — | 12/31/2023 |
| Peter A. Trpkovski | ▼ Sell | Open Market | 13,908 | $171K | 12/28/2023 |
| Jesse E. Gary | ▼ Sell | Open Market | 68,162 | $859K | 12/27/2023 |
| Jesse E. Gary | ▼ Sell | Open Market | 70,000 | $881K | 12/26/2023 |
| Robert F. Hoffman | ▼ Sell | Open Market | 9,000 | $109K | 12/21/2023 |
| Robert F. Hoffman | ▼ Sell | Open Market | 3,000 | $36K | 12/20/2023 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 19,790 | — | 9/30/2023 |
| Jesse E. Gary | ▼ Sell | Gift | 26,324 | $0 | 7/26/2023 |
| Jesse E. Gary | ▼ Sell | Gift | 26,324 | $0 | 7/26/2023 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 20,937 | $183K | 7/1/2023 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 14,836 | — | 6/30/2023 |
| Tamla A. Olivier | ▲ Buy | Grant | 14,825 | $0 | 6/5/2023 |
| Andrew G. Michelmore | ▲ Buy | Grant | 14,825 | $0 | 6/5/2023 |
| Andrew G. Michelmore | ▼ Sell | Tax Withholding | 4,448 | $38K | 6/5/2023 |
| Errol Glasser | ▲ Buy | Grant | 14,825 | $0 | 6/5/2023 |
| Jarl Berntzen | ▲ Buy | Grant | 14,825 | $0 | 6/5/2023 |
| Jennifer Mary Bush | ▲ Buy | Grant | 14,825 | $0 | 6/5/2023 |
| Matt Aboud | ▲ Buy | Open Market | 18,000 | $131K | 5/11/2023 |
| Jesse E. Gary | ▼ Sell | Gift | 80,008 | $0 | 2/8/2023 |
| Jesse E. Gary | ▼ Sell | Gift | 80,008 | $0 | 2/8/2023 |
| Harrison Michelle | ▲ Buy | Grant | 13,564 | $0 | 1/1/2023 |
| Jesse E. Gary | ▲ Buy | Grant | 146,363 | $0 | 1/1/2023 |
| Robert F. Hoffman | ▲ Buy | Grant | 15,825 | $0 | 1/1/2023 |
| John DeZee | ▲ Buy | Grant | 27,021 | $0 | 1/1/2023 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 41,397 | $0 | 1/1/2023 |
| Bialek Gerald C | ▲ Buy | Grant | 38,537 | $0 | 1/1/2023 |
| Matt Aboud | ▲ Buy | Grant | 18,275 | $0 | 1/1/2023 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 419,168 | — | 12/31/2022 |
| Harrison Michelle | ▼ Sell | Tax Withholding | 5,811 | $48K | 12/30/2022 |
| Harrison Michelle | ▼ Sell | Tax Withholding | 4,491 | $37K | 12/30/2022 |
| Jesse E. Gary | ▲ Buy | Grant | 81,025 | $0 | 12/30/2022 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 35,895 | $294K | 12/30/2022 |
| Jesse E. Gary | ▼ Sell | Tax Withholding | 27,741 | $227K | 12/30/2022 |
| Robert F. Hoffman | ▲ Buy | Grant | 10,939 | $0 | 12/30/2022 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 4,846 | $40K | 12/30/2022 |
| Robert F. Hoffman | ▼ Sell | Tax Withholding | 3,745 | $31K | 12/30/2022 |
| John DeZee | ▲ Buy | Grant | 11,633 | $0 | 12/30/2022 |
| John DeZee | ▼ Sell | Tax Withholding | 3,409 | $28K | 12/30/2022 |
| John DeZee | ▼ Sell | Tax Withholding | 2,635 | $22K | 12/30/2022 |
| Gunnar Gudlaugsson | ▲ Buy | Grant | 11,462 | $0 | 12/30/2022 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 5,793 | $47K | 12/30/2022 |
| Gunnar Gudlaugsson | ▼ Sell | Tax Withholding | 4,477 | $37K | 12/30/2022 |
| Harrison Michelle | ▲ Buy | Grant | 11,720 | $0 | 12/30/2022 |
| GLENCORE INTERNATIONAL AG | ▼ Sell | Other | 27,500,000 | — | 12/15/2022 |
| Ryfold Ltd | ▼ Sell | Other | 27,500,000 | — | 12/15/2022 |
| Glencore AG | ▼ Sell | Other | 32,982 | — | 9/30/2022 |
| Jesse E. Gary | ▼ Sell | Gift | 43,873 | $0 | 9/8/2022 |
| Jesse E. Gary | ▼ Sell | Gift | 43,873 | $0 | 9/8/2022 |
| Bialek Gerald C | ▲ Buy | Grant | 8,575 | $0 | 8/22/2022 |
| Jesse E. Gary | ▼ Sell | Open Market | 49,568 | $440K | 8/15/2022 |