| $211M | ||
| $100M | ||
| $76M | ||
| $60M | ||
| $50M | ||
| $9M |
Buys | $0 | 0 | 0 |
Sells | $280,626,868 | 7 | 100 |
| Hoffman Robert F | SVP, IT and CAO | 0 | $0 | 2 | $151,175 | $-151,175 |
| Hafberg Agust F | SVP & Chief Commercial Officer | 0 | $0 | 1 | $264,950 | $-264,950 |
| Aboud Matt | SVP, Strategy & Business Dev't | 0 | $0 | 1 | $279,868 | $-279,868 |
| Calloway Kenneth L | SVP, Human Resources | 0 | $0 | 1 | $452,375 | $-452,375 |
| Gary Jesse E | President and CEO | 0 | $0 | 1 | $7.23M | $-7.23M |
| GLENCORE INTERNATIONAL AG | 10 percent owner | 0 | $0 | 1 | $272.25M | $-272.25M |
Century Aluminum Company, together with its subsidiaries, produces standard-grade and value-added primary aluminum products in the United States and Iceland. It also owns and operates a carbon anode production facility in the Netherlands. The company was incorporated in 1981 and is headquartered in Chicago, Illinois.
Over the last 12 months, insiders at Century Aluminum Company have bought $0 and sold $280.63M worth of Century Aluminum Company stock.
On average, over the past 5 years, insiders at Century Aluminum Company have bought $130,500 and sold $57.95M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 18,000 shares for transaction amount of $130,500 was made by Aboud Matt (SVP, Strategy & Business Dev't) on 2023‑05‑11.
| 2026-01-23 | Sale | Gary Jesse E | President and CEO | 150,000 0.159% | $48.19 | $7.23M | +3.98% | |
| 2025-11-10 | Sale | GLENCORE INTERNATIONAL AG | 10 percent owner | 9M 8.8251% | $30.25 | $272.25M | +22.25% | |
| 2025-09-26 | Sale | Hafberg Agust F | SVP & Chief Commercial Officer | 9,493 0.0101% | $27.91 | $264,950 | +14.76% | |
| 2025-09-19 | Sale | Calloway Kenneth L | SVP, Human Resources | 16,450 0.0176% | $27.50 | $452,375 | +15.18% | |
| 2025-08-12 | Sale | Aboud Matt | SVP, Strategy & Business Dev't | 12,027 0.0133% | $23.27 | $279,868 | +29.11% | |
| 2025-03-20 | Sale | Hoffman Robert F | SVP, IT and CAO | 5,000 0.0055% | $20.24 | $101,200 | +14.15% | |
| 2025-03-14 | Sale | Hoffman Robert F | SVP, IT and CAO | 2,500 0.0027% | $19.99 | $49,975 | +14.31% | |
| 2024-12-27 | Sale | Gary Jesse E | President and CEO | 50,000 0.0541% | $18.48 | $924,000 | +10.37% | |
| 2024-12-26 | Sale | Gary Jesse E | President and CEO | 29,243 0.0314% | $18.97 | $554,740 | +7.00% | |
| 2024-12-05 | Sale | Gudlaugsson Gunnar | EVP - Global Operations | 20,000 0.0215% | $23.85 | $477,000 | -16.03% | |
| 2024-06-26 | Sale | Gary Jesse E | President and CEO | 60,000 0.064% | $16.21 | $972,600 | +7.87% | |
| 2024-03-04 | Sale | Aboud Matt | SVP, Strategy & Business Dev't | 3,766 0.0041% | $10.61 | $39,957 | +64.67% | |
| 2023-12-28 | Sale | Trpkovski Peter A | SVP, Finance and Treasurer | 13,908 0.0148% | $12.32 | $171,347 | +26.36% | |
| 2023-12-27 | Sale | Gary Jesse E | President and CEO | 68,162 0.0738% | $12.60 | $858,841 | +27.01% | |
| 2023-12-26 | Sale | Gary Jesse E | President and CEO | 70,000 0.0759% | $12.59 | $881,300 | +27.62% | |
| 2023-12-21 | Sale | Hoffman Robert F | VP, IT and CAO | 9,000 0.0096% | $12.08 | $108,720 | +30.23% | |
| 2023-12-20 | Sale | Hoffman Robert F | VP, IT and CAO | 3,000 0.0033% | $12.00 | $36,000 | +37.52% | |
| 2023-05-11 | Aboud Matt | SVP, Strategy & Business Dev't | 18,000 0.0196% | $7.25 | $130,500 | +24.44% | ||
| 2022-08-12 | Sale | Gary Jesse E | President and CEO | 50,000 0.0553% | $9.78 | $488,800 | -10.53% | |
| 2022-03-21 | Sale | DeZee John | EVP and General Counsel | 15,287 0.0171% | $27.64 | $422,548 | -67.18% |
| GLENCORE INTERNATIONAL AG | 10 percent owner | 18500000 19.8196% | $904.47M | 2 | 1 | <0.0001% |
| Gary Jesse E | President and CEO | 292580 0.3134% | $14.3M | 0 | 14 | |
| Aboud Matt | SVP, Strategy & Business Dev't | 62589 0.0671% | $3.06M | 1 | 2 | +24.44% |
| Hoffman Robert F | SVP, IT and CAO | 59083 0.0633% | $2.89M | 0 | 5 | |
| Hafberg Agust F | SVP & Chief Commercial Officer | 55260 0.0592% | $2.7M | 0 | 1 | |
| Calloway Kenneth L | SVP, Human Resources | 28706 0.0308% | $1.4M | 0 | 1 | |
| Glencore AG | director | 36924460 39.5583% | $1.81B | 4 | 0 | +21.39% |
| GLENCORE INVESTMENT PTY LTD. | director | 28038839 30.0388% | $1.37B | 4 | 0 | <0.0001% |
| BLESS MICHAEL A | President and CEO | 353989 0.3792% | $17.31M | 1 | 26 | <0.0001% |
| Kruger Logan W | CEO and President | 207422 0.2222% | $10.14M | 0 | 9 | |
| Hoerner John E. | EVP - N. American Operations | 163272 0.1749% | $7.98M | 0 | 7 | |
| Conti Craig C | EVP & Chief Financial Officer | 117018 0.1254% | $5.72M | 0 | 1 | |
| Berntzen Jarl | director | 116279 0.1246% | $5.68M | 1 | 0 | <0.0001% |
| Gudlaugsson Gunnar | EVP - Global Operations | 107932 0.1156% | $5.28M | 0 | 2 | |
| DAVIS CRAIG A | director | 66457 0.0712% | $3.25M | 0 | 12 | |
| Harrison Michelle | Sr. VP Finance & Treasurer | 65965 0.0707% | $3.23M | 0 | 9 | |
| Leatherberry William J | EVP, Gen. Counsel & Secretary | 49965 0.0535% | $2.44M | 1 | 2 | <0.0001% |
| DeZee John | EVP and General Counsel | 45484 0.0487% | $2.22M | 0 | 1 | |
| Michelmore Andrew G | director | 43598 0.0467% | $2.13M | 3 | 0 | +19.4% |
| Trpkovski Peter A | SVP, Finance and Treasurer | 41998 0.045% | $2.05M | 0 | 1 | |
| BECKLEY DAVID W | Executive VP and CFO | 30706 0.0329% | $1.5M | 0 | 5 | |
| SCHNEIDER STEVE | Sr. VP & Chief Acct. Officer | 25344 0.0272% | $1.24M | 0 | 6 | |
| Hale Wayne | EVP and COO | 22020 0.0236% | $1.08M | 0 | 1 | |
| KITCHEN GERALD J | Exec. VP, CAO and Secretary | 17859 0.0191% | $873,126.51 | 0 | 8 | |
| FONTAINE JOHN C | director | 16862 0.0181% | $824,383.18 | 1 | 3 | <0.0001% |
| OBRIEN JOHN P | director | 16047 0.0172% | $784,537.83 | 1 | 1 | <0.0001% |
| HAMPSHIRE WILLIAM J | director | 10525 0.0113% | $514,567.25 | 0 | 2 | |
| THOMPSON JACK EDWARD | director | 3500 0.0037% | $171,115.00 | 0 | 4 | |
| GATES E JACK | EVP & COO | 3056 0.0033% | $149,407.84 | 0 | 4 | |
| JONES PETER C | director | 3047 0.0033% | $148,967.83 | 1 | 0 | <0.0001% |
| Manning Catherine Z | director | 3049 0.0033% | $149,065.61 | 1 | 0 | <0.0001% |
| Nielsen Robert R | Executive Vice President | 2460 0.0026% | $120,269.40 | 0 | 3 | |
| STROTHOTTE WILLY R | director | 1047 0.0011% | $51,187.83 | 0 | 2 | |
| Casello Giulio | Sr. VP, Business Development | 788 0.0008% | $38,525.32 | 0 | 2 | |
| KROFCHECK DANIEL J | Vice President and Treasurer | 0 0% | $0 | 0 | 6 | |
| BNINSKI ROMAN A | director | 0 0% | $0 | 0 | 1 | |
| SCHREIBER STUART M | director | 0 0% | $0 | 0 | 1 | |
| MCGUIRE PETER C | Vice President | 0 0% | $0 | 0 | 9 | |
| FISHMAN ROBERT E | director | 0 0% | $0 | 0 | 5 |
$1,441,865 | 32 | 5.57% | $2.28B | |
Century Aluminum Company (CENX) | $720,562,079 | 21 | -13.70% | $4.56B |
$53,064 | 9 | 104.82% | $14.88B |
| Increased Positions | 214 | +89.92% | 13M | +13.56% |
| Decreased Positions | 107 | -44.96% | 12M | -11.84% |
| New Positions | 104 | New | 5M | New |
| Sold Out Positions | 28 | Sold Out | 1M | Sold Out |
| Total Postitions | 345 | +44.96% | 99M | +1.71% |
| Glencore Plc | $1.64M | 43.07% | 40.06M | +2,848 | +<0.01% | 2025-09-30 |
| Blackrock, Inc. | $414,639.00 | 10.89% | 10.13M | -31,317 | -0.31% | 2025-09-30 |
| Vanguard Group Inc | $239,316.00 | 6.29% | 5.85M | +75,657 | +1.31% | 2025-09-30 |
| State Street Corp | $172,677.00 | 4.54% | 4.22M | +552,270 | +15.07% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $125,327.00 | 3.29% | 3.06M | -10,750 | -0.35% | 2025-09-30 |
| Sourcerock Group Llc | $108,101.00 | 2.84% | 2.64M | +1M | +85.41% | 2025-09-30 |
| Citadel Advisors Llc | $61,643.00 | 1.62% | 1.51M | -416,961 | -21.69% | 2025-09-30 |
| Mirae Asset Global Etfs Holdings Ltd. | $59,666.00 | 1.57% | 1.46M | +27,999 | +1.96% | 2025-09-30 |
| Morgan Stanley | $58,641.00 | 1.54% | 1.43M | +584,394 | +68.92% | 2025-09-30 |
| Geode Capital Management, Llc | $54,000.00 | 1.42% | 1.32M | +18,305 | +1.41% | 2025-09-30 |