Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-08-12 Sale | 2025-08-14 4:36 pm | CENTURY ALUMINUM CO | CENX | Aboud Matt SVP, Strategy & Business Dev't | 12,027 | $23.27 | $279,868 | 62,589 (Direct) | View |
2025-03-20 Sale | 2025-03-24 5:29 pm | CENTURY ALUMINUM CO | CENX | Hoffman Robert F SVP, IT and CAO | 5,000 | $20.24 | $101,200 | 59,098 (Indirect Direct) | View |
2025-03-14 Sale | 2025-03-18 6:10 pm | CENTURY ALUMINUM CO | CENX | Hoffman Robert F SVP, IT and CAO | 2,500 | $19.99 | $49,975 | 64,098 (Indirect Direct) | View |
2024-12-26 Sale | 2024-12-30 5:56 pm | CENTURY ALUMINUM CO | CENX | Gary Jesse E President and CEO | 79,243 | $18.66 | $1,478,740 | 325,410 (Indirect Direct) | View |
2024-12-05 Sale | 2024-12-09 4:40 pm | CENTURY ALUMINUM CO | CENX | Gudlaugsson Gunnar EVP - Global Operations | 20,000 | $23.85 | $477,000 | 107,932 (Direct) | View |
2024-06-26 Sale | 2024-06-28 4:26 pm | CENTURY ALUMINUM CO | CENX | Gary Jesse E President and CEO | 60,000 | $16.21 | $972,600 | 418,611 (Indirect Direct) | View |
2024-03-04 Sale | 2024-03-06 4:45 pm | CENTURY ALUMINUM CO | CENX | Aboud Matt SVP, Strategy & Business Dev't | 3,766 | $10.61 | $39,957 | 59,248 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-06-30 Conversion | 2025-07-02 08:23 am | N/A N/A | CENTURY ALUMINUM CO | CENX | GLENCORE INTERNATIONAL AG Glencore AG Glencore plc 10% Owner | 16,642 | $0 | 40,104,022 (Indirect) | View |
2025-06-16 Option Award | 2025-06-18 6:31 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | GLASSER ERROL Director | 7,778 | $0 | 118,697 (Direct) | View |
2025-06-16 Option Award | 2025-06-18 6:28 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Olivier Tamla A Director | 7,778 | $0 | 29,673 (Direct) | View |
2025-06-16 Tax Withholding | 2025-06-18 6:25 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Michelmore Andrew G Director | 2,333 | $17.36 | 89,089 (Direct) | View |
2025-06-16 Option Award | 2025-06-18 6:25 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Michelmore Andrew G Director | 7,778 | $0 | 89,089 (Direct) | View |
2025-06-16 Option Award | 2025-06-18 6:22 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Bush Jennifer Mary Director | 7,778 | $0 | 46,872 (Direct) | View |
2025-06-16 Option Award | 2025-06-18 6:09 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Berntzen Jarl Director | 7,778 | $0 | 208,951 (Direct) | View |
2025-03-31 Conversion | 2025-04-01 07:57 am | N/A N/A | CENTURY ALUMINUM CO | CENX | GLENCORE INTERNATIONAL AG Glencore AG Glencore plc 10% Owner | 3,629 | $0 | 40,087,710 (Indirect) | View |
2025-03-21 Option Award | 2025-03-25 6:48 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Trpkovski Peter A EVP, CFO and Treasurer | 12,455 | $0 | 65,491 (Direct) | View |
2025-02-07 Tax Withholding | 2025-02-10 5:35 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Trpkovski Peter A SVP, Finance and Treasurer | 4,501 | $18.69 | 53,036 (Direct) | View |
2025-01-28 Gift | 2025-01-29 5:23 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Gary Jesse E President and CEO | 127,216 | $0 | 494,116 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:43 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Hoffman Robert F SVP, IT and CAO | 7,253 | $18.22 | 66,598 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:43 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Hoffman Robert F SVP, IT and CAO | 21,980 | $0 | 66,598 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:40 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Gary Jesse E President and CEO | 101,180 | $18.22 | 494,116 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:40 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Gary Jesse E President and CEO | 269,886 | $0 | 494,116 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:35 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Gudlaugsson Gunnar EVP - Global Operations | 23,909 | $18.22 | 143,804 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:35 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Gudlaugsson Gunnar EVP - Global Operations | 59,781 | $0 | 143,804 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:31 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Hafberg Agust F SVP & Chief Commercial Officer | 9,716 | $18.22 | 64,753 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:31 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Hafberg Agust F SVP & Chief Commercial Officer | 22,091 | $0 | 64,753 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:27 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | DeZee John EVP, GC and Secretary | 10,245 | $18.22 | 132,918 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:27 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | DeZee John EVP, GC and Secretary | 41,280 | $0 | 132,918 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:25 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Calloway Kenneth L SVP, Human Resources | 4,405 | $18.22 | 45,156 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:25 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Calloway Kenneth L SVP, Human Resources | 15,054 | $0 | 45,156 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:22 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Aboud Matt SVP, Strategy & Business Dev't | 9,881 | $18.22 | 74,616 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:22 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Aboud Matt SVP, Strategy & Business Dev't | 25,249 | $0 | 74,616 (Direct) | View |
2024-12-31 Tax Withholding | 2025-01-03 5:17 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Trpkovski Peter A SVP, Finance and Treasurer | 2,752 | $18.22 | 57,537 (Direct) | View |
2024-12-31 Option Award | 2025-01-03 5:17 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Trpkovski Peter A SVP, Finance and Treasurer | 10,670 | $0 | 57,537 (Direct) | View |
2025-01-01 Option Award | 2025-01-03 5:11 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Bialek Gerald C Chief Financial Officer | 17,534 | $0 | 100,620 (Direct) | View |
2024-12-31 Conversion | 2025-01-03 11:26 am | N/A N/A | CENTURY ALUMINUM CO | CENX | GLENCORE INTERNATIONAL AG Glencore AG Glencore plc 10% Owner | 212,264 | $0 | 40,084,153 (Indirect) | View |
Ownership | 2024-12-26 4:44 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Hafberg Agust F SVP & Chief Commercial Officer | 0 | $0 | 52,378 (Direct) | View |
2024-09-30 Conversion | 2024-10-02 10:36 am | N/A N/A | CENTURY ALUMINUM CO | CENX | GLENCORE INTERNATIONAL AG Glencore AG Glencore plc 10% Owner | 13,324 | $0 | 39,876,093 (Indirect) | View |
Ownership | 2024-09-03 5:02 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Brainerd Theresa L Global Corporate Controller | 0 | $0 | 19,445 (Direct) | View |
2024-07-11 Gift | 2024-07-15 5:07 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Gary Jesse E President and CEO | 17,549 | $0 | 404,653 (Direct) | View |
2024-07-01 Tax Withholding | 2024-07-03 1:57 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Gary Jesse E President and CEO | 13,958 | $16.67 | 404,653 (Direct) | View |
2024-06-30 Conversion | 2024-07-02 10:26 am | N/A N/A | CENTURY ALUMINUM CO | CENX | GLENCORE INTERNATIONAL AG Glencore AG Glencore plc 10% Owner | 29,304 | $0 | 39,863,033 (Indirect) | View |
2024-06-03 Option Award | 2024-06-05 6:50 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Olivier Tamla A Director | 7,070 | $0 | 21,895 (Direct) | View |
2024-06-03 Option Award | 2024-06-05 6:47 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Berntzen Jarl Director | 7,070 | $0 | 201,173 (Direct) | View |
2024-06-03 Option Award | 2024-06-05 6:45 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Bush Jennifer Mary Director | 7,070 | $0 | 39,094 (Direct) | View |
2024-06-03 Option Award | 2024-06-05 6:43 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | GLASSER ERROL Director | 7,070 | $0 | 110,919 (Direct) | View |
2024-06-03 Tax Withholding | 2024-06-05 6:42 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Michelmore Andrew G Director | 2,121 | $17.71 | 83,644 (Direct) | View |
2024-06-03 Option Award | 2024-06-05 6:42 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Michelmore Andrew G Director | 7,070 | $0 | 83,644 (Direct) | View |
2024-03-31 Conversion | 2024-04-02 2:21 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | GLENCORE INTERNATIONAL AG Glencore AG Glencore plc 10% Owner | 4,608 | $0 | 39,834,309 (Indirect) | View |
Ownership | 2024-03-13 4:47 pm | N/A N/A | CENTURY ALUMINUM CO | CENX | Calloway Kenneth L SVP, Human Resources | 0 | $0 | 34,507 (Direct) | View |