CENX CENTURY ALUMINUM CO
Nasdaq · SEC CIK 949157 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $625.57M 13 sales by 10 insiders
- Filings on record
- 121 since 2021-07-01, latest 2026-06-17 16:45
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Glencore AG | 10% | — | $326.81M |
| GLENCORE INTERNATIONAL AG | 10% | — | $272.25M |
| Gary Jesse E | Pres, CEO, Dir | — | $15.55M |
| DeZee John | EVP, GC, Sec | — | $3.35M |
| Gudlaugsson Gunnar | EVP - Gbl Ops | — | $2.33M |
| Hafberg Agust F | SVP, Chief Commercial Off | — | $1.44M |
| Hoffman Robert F | SVP, CAO, IT | — | $1.16M |
| Calloway Kenneth L | SVP, Human Resources | — | $1.04M |
| Trpkovski Peter A | EVP, CFO, Treas | — | $845.5K |
| Aboud Matt | SVP, Strategy, Business Dev't | — | $793.1K |
Transactions 172
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-17 16:45 | 2026-06-15 | CENX | Berntzen Jarl | Dir | A - Grant | $0.00 | +2,172 | 211.1K | +1% | $0 | |
| 2026-06-17 16:43 | 2026-06-15 | CENX | GLASSER ERROL | Dir | A - Grant | $0.00 | +2,172 | 120.9K | +2% | $0 | |
| 2026-06-17 16:41 | 2026-06-15 | CENX | Michelmore Andrew G | Dir | A - Grant | $0.00 | +2,172 | 91.3K | +2% | $0 | |
| 2026-06-17 16:41 | 2026-06-15 | CENX | Michelmore Andrew G | Dir | F - Tax | $54.55 | -652 | 90.6K | -0.7% | -$35.6K | |
| 2026-06-17 16:38 | 2026-06-15 | CENX | Bush Jennifer Mary | Dir | A - Grant | $0.00 | +2,172 | 49.0K | +5% | $0 | |
| 2026-06-17 16:37 | 2026-06-15 | CENX | Olivier Tamla A | Dir | A - Grant | $0.00 | +2,172 | 31.8K | +7% | $0 | |
| 2026-03-27 | 2026-03-25 | CENX | Trpkovski Peter A | EVP, CFO | S - Sale | $50.51 | -16.7K | 64.1K | -21% | -$845.5K | |
| I | 2026-03-17 | 2026-03-16 | CENX | Gary Jesse E | Pres, CEO, Dir | S - Sale | $55.47 | -150.0K | 142.6K | -51% | -$8.32M |
| 2026-03-13 | 2026-03-12 | CENX | Calloway Kenneth L | SVP, Human Resources | S - Sale | $58.00 | -18.0K | 24.9K | -42% | -$1.04M | |
| 2026-03-13 | 2026-03-11 | CENX | Hoffman Robert F | SVP, CAO, IT | S - Sale | $56.51 | -10.5K | 56.6K | -16% | -$595.0K | |
| 2026-03-06 | 2026-03-04 | CENX | Hoffman Robert F | SVP, CAO, IT | S - Sale | $56.33 | -10.0K | 67.2K | -13% | -$563.3K | |
| M | 2026-03-04 | 2026-03-02+ | CENX | Aboud Matt | SVP, Strategy, Business Dev't | S - Sale | $52.53 | -15.1K | 64.8K | -19% | -$793.1K |
| 2026-03-04 | 2026-03-04 | CENX | Glencore AG | 10% | S - Sale | $51.75 | -6.32M | 12.18M | -34% | -$326.81M | |
| 2026-03-03 | 2026-02-27 | CENX | Hafberg Agust F | SVP, Chief Commercial Off | S - Sale | $51.24 | -22.9K | 45.1K | -34% | -$1.17M | |
| 2026-02-27 | 2026-02-25 | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | S - Sale | $54.10 | -43.0K | 136.4K | -24% | -$2.33M | |
| 2026-02-25 | 2026-02-23 | CENX | DeZee John | EVP, GC, Sec | S - Sale | $50.72 | -66.0K | 97.6K | -40% | -$3.35M | |
| 2026-02-11 | 2026-02-09 | CENX | Trpkovski Peter A | EVP, CFO | F - Tax | $54.36 | -4,240 | 80.9K | -5% | -$230.5K | |
| I | 2026-01-23 | 2026-01-23 | CENX | Gary Jesse E | Pres, CEO, Dir | S - Sale | $48.19 | -150.0K | 292.6K | -34% | -$7.23M |
| 2026-01-23 | 2026-01-12 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | -314.6K | 277.2K | -53% | $0 | |
| I | 2026-01-23 | 2026-01-12 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | +314.6K | 442.6K | +246% | $0 |
| M | 2026-01-05 | 2025-12-31+ | CENX | Aboud Matt | SVP, Strategy, Business Dev't | A - Grant | $0.00 | +42.1K | 99.1K | +74% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | F - Tax | $39.18 | -24.7K | 74.4K | -25% | -$968.8K |
| M | 2026-01-05 | 2025-12-31+ | CENX | Hafberg Agust F | SVP, Chief Commercial Off | A - Grant | $0.00 | +36.1K | 67.9K | +113% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | Hafberg Agust F | SVP, Chief Commercial Off | F - Tax | $39.18 | -23.4K | 62.7K | -27% | -$918.1K |
| M | 2026-01-05 | 2025-12-31+ | CENX | DeZee John | EVP, GC, Sec | A - Grant | $0.00 | +63.9K | 187.0K | +52% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | DeZee John | EVP, GC, Sec | F - Tax | $39.18 | -33.1K | 165.8K | -17% | -$1.30M |
| M | 2026-01-05 | 2025-12-31+ | CENX | Gary Jesse E | Pres, CEO, Dir | A - Grant | $0.00 | +496.5K | 591.8K | +521% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $39.18 | -270.8K | 602.1K | -31% | -$10.61M |
| M | 2026-01-05 | 2025-12-31 | CENX | Trpkovski Peter A | EVP, CFO, Treas | F - Tax | $39.18 | -12.1K | 75.7K | -14% | -$475.4K |
| M | 2026-01-05 | 2025-12-31+ | CENX | Trpkovski Peter A | EVP, CFO, Treas | A - Grant | $0.00 | +31.7K | 85.1K | +60% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | F - Tax | $39.18 | -62.8K | 163.8K | -28% | -$2.46M |
| M | 2026-01-05 | 2025-12-31+ | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | A - Grant | $0.00 | +98.4K | 179.4K | +122% | $0 |
| M | 2026-01-05 | 2025-12-31+ | CENX | Calloway Kenneth L | SVP, Human Resources | A - Grant | $0.00 | +23.4K | 46.9K | +100% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | Calloway Kenneth L | SVP, Human Resources | F - Tax | $39.18 | -9,192 | 41.4K | -18% | -$360.1K |
| M | 2026-01-05 | 2025-12-31+ | CENX | Hoffman Robert F | SVP, CAO, IT | A - Grant | $0.00 | +36.8K | 90.7K | +68% | $0 |
| M | 2026-01-05 | 2025-12-31 | CENX | Hoffman Robert F | SVP, CAO, IT | F - Tax | $39.18 | -18.7K | 72.0K | -21% | -$732.0K |
| D | 2025-11-13 | 2025-11-10 | CENX | GLENCORE INTERNATIONAL AG | 10% | S - Sale | $30.25 | -9.00M | 18.50M | -33% | -$272.25M |
| DI | 2025-11-13 | 2025-11-10 | CENX | GLENCORE INTERNATIONAL AG | 10% | C - Cnv Deriv | — | +4.95M | 17.51M | +39% | — |
| DI | 2025-10-02 | 2025-09-30 | CENX | Glencore AG | 10% | C - Cnv Deriv | — | +2,848 | 12.56M | +0.0% | — |
| 2025-09-30 | 2025-09-26 | CENX | Hafberg Agust F | SVP, Chief Commercial Off | S - Sale | $27.91 | -9,493 | 55.3K | -15% | -$264.9K | |
| 2025-09-23 | 2025-09-19 | CENX | Calloway Kenneth L | SVP, Human Resources | S - Sale | $27.50 | -16.4K | 28.7K | -36% | -$452.4K | |
| 2025-08-14 | 2025-08-12 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | S - Sale | $23.27 | -12.0K | 62.6K | -16% | -$279.9K | |
| DI | 2025-07-02 | 2025-06-30 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +16.5K | 12.55M | +0.1% | — |
| 2025-06-18 | 2025-06-16 | CENX | Bush Jennifer Mary | Dir | A - Grant | $0.00 | +7,778 | 46.9K | +20% | $0 | |
| 2025-06-18 | 2025-06-16 | CENX | Olivier Tamla A | Dir | A - Grant | $0.00 | +7,778 | 29.7K | +36% | $0 | |
| 2025-06-18 | 2025-06-16 | CENX | Berntzen Jarl | Dir | A - Grant | $0.00 | +7,778 | 209.0K | +4% | $0 | |
| 2025-06-18 | 2025-06-16 | CENX | GLASSER ERROL | Dir | A - Grant | $0.00 | +7,778 | 118.7K | +7% | $0 | |
| 2025-06-18 | 2025-06-16 | CENX | Michelmore Andrew G | Dir | A - Grant | $0.00 | +7,778 | 91.4K | +9% | $0 | |
| 2025-06-18 | 2025-06-16 | CENX | Michelmore Andrew G | Dir | F - Tax | $17.36 | -2,333 | 89.1K | -3% | -$40.5K | |
| DI | 2025-04-01 | 2025-03-31 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +3,593 | 12.54M | +0.0% | — |
| 2025-03-25 | 2025-03-21 | CENX | Trpkovski Peter A | EVP, CFO, Treas | A - Grant | $0.00 | +12.5K | 65.5K | +23% | $0 | |
| 2025-03-24 | 2025-03-20 | CENX | Hoffman Robert F | SVP, CAO, IT | S - Sale | $20.24 | -5,000 | 59.1K | -8% | -$101.2K | |
| 2025-03-18 | 2025-03-14 | CENX | Hoffman Robert F | SVP, CAO, IT | S - Sale | $19.99 | -2,500 | 64.1K | -4% | -$50.0K | |
| 2025-02-10 | 2025-02-07 | CENX | Trpkovski Peter A | SVP, Fin, Treas | F - Tax | $18.69 | -4,501 | 53.0K | -8% | -$84.1K | |
| I | 2025-01-29 | 2025-01-28 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | +127.2K | 128.0K | +16,895% | $0 |
| 2025-01-29 | 2025-01-28 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | -127.2K | 366.1K | -26% | $0 | |
| 2025-01-03 | 2025-01-01 | CENX | Bialek Gerald C | CFO | A - Grant | $0.00 | +17.5K | 100.6K | +21% | $0 | |
| M | 2025-01-03 | 2024-12-31+ | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | A - Grant | $0.00 | +59.8K | 143.1K | +72% | $0 |
| M | 2025-01-03 | 2024-12-31 | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | F - Tax | $18.22 | -23.9K | 125.3K | -16% | -$435.6K |
| M | 2025-01-03 | 2024-12-31+ | CENX | Trpkovski Peter A | SVP, Fin, Treas | A - Grant | $0.00 | +10.7K | 54.2K | +24% | $0 |
| M | 2025-01-03 | 2024-12-31 | CENX | Trpkovski Peter A | SVP, Fin, Treas | F - Tax | $18.22 | -2,752 | 52.2K | -5% | -$50.1K |
| M | 2025-01-03 | 2024-12-31+ | CENX | DeZee John | EVP, GC, Sec | A - Grant | $0.00 | +41.3K | 127.9K | +48% | $0 |
| M | 2025-01-03 | 2024-12-31 | CENX | DeZee John | EVP, GC, Sec | F - Tax | $18.22 | -10.2K | 117.7K | -8% | -$186.7K |
| M | 2025-01-03 | 2024-12-31 | CENX | Calloway Kenneth L | SVP, Human Resources | F - Tax | $18.22 | -4,405 | 37.4K | -11% | -$80.3K |
| M | 2025-01-03 | 2024-12-31+ | CENX | Calloway Kenneth L | SVP, Human Resources | A - Grant | $0.00 | +15.1K | 41.8K | +56% | $0 |
| M | 2025-01-03 | 2024-12-31 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $18.22 | -101.2K | 428.2K | -19% | -$1.84M |
| M | 2025-01-03 | 2024-12-31+ | CENX | Gary Jesse E | Pres, CEO, Dir | A - Grant | $0.00 | +269.9K | 510.5K | +112% | $0 |
| M | 2025-01-03 | 2024-12-31+ | CENX | Aboud Matt | SVP, Strategy, Business Dev't | A - Grant | $0.00 | +25.2K | 75.6K | +50% | $0 |
| M | 2025-01-03 | 2024-12-31 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | F - Tax | $18.22 | -9,881 | 65.7K | -13% | -$180.0K |
| M | 2025-01-03 | 2024-12-31+ | CENX | Hafberg Agust F | SVP, Chief Commercial Off | A - Grant | $0.00 | +22.1K | 66.7K | +50% | $0 |
| M | 2025-01-03 | 2024-12-31 | CENX | Hafberg Agust F | SVP, Chief Commercial Off | F - Tax | $18.22 | -9,716 | 59.4K | -14% | -$177.0K |
| DI | 2025-01-03 | 2024-12-31 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +210.2K | 12.53M | +2% | — |
| M | 2025-01-03 | 2024-12-31+ | CENX | Hoffman Robert F | SVP, CAO, IT | A - Grant | $0.00 | +22.0K | 65.6K | +50% | $0 |
| M | 2025-01-03 | 2024-12-31 | CENX | Hoffman Robert F | SVP, CAO, IT | F - Tax | $18.22 | -7,253 | 58.3K | -11% | -$132.1K |
| MI | 2024-12-30 | 2024-12-26+ | CENX | Gary Jesse E | Pres, CEO, Dir | S - Sale | $18.66 | -79.2K | 753 | -99% | -$1.48M |
| 2024-12-09 | 2024-12-05 | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | S - Sale | $23.85 | -20.0K | 107.9K | -16% | -$477.0K | |
| DI | 2024-10-02 | 2024-09-30 | CENX | Glencore AG | 10% | C - Cnv Deriv | — | +13.2K | 12.32M | +0.1% | — |
| 2024-07-15 | 2024-07-11 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | -17.5K | 324.7K | -5% | $0 | |
| I | 2024-07-15 | 2024-07-11 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | +17.5K | 80.0K | +28% | $0 |
| 2024-07-03 | 2024-07-01 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $16.67 | -14.0K | 342.2K | -4% | -$232.7K | |
| DI | 2024-07-02 | 2024-06-30 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +29.0K | 12.31M | +0.2% | — |
| I | 2024-06-28 | 2024-06-26 | CENX | Gary Jesse E | Pres, CEO, Dir | S - Sale | $16.21 | -60.0K | 62.4K | -49% | -$972.6K |
| 2024-06-05 | 2024-06-03 | CENX | Bush Jennifer Mary | Dir | A - Grant | $0.00 | +7,070 | 39.1K | +22% | $0 | |
| 2024-06-05 | 2024-06-03 | CENX | GLASSER ERROL | Dir | A - Grant | $0.00 | +7,070 | 110.9K | +7% | $0 | |
| 2024-06-05 | 2024-06-03 | CENX | Michelmore Andrew G | Dir | A - Grant | $0.00 | +7,070 | 85.8K | +9% | $0 | |
| 2024-06-05 | 2024-06-03 | CENX | Michelmore Andrew G | Dir | F - Tax | $17.71 | -2,121 | 83.6K | -2% | -$37.6K | |
| 2024-06-05 | 2024-06-03 | CENX | Berntzen Jarl | Dir | A - Grant | $0.00 | +7,070 | 201.2K | +4% | $0 | |
| 2024-06-05 | 2024-06-03 | CENX | Olivier Tamla A | Dir | A - Grant | $0.00 | +7,070 | 21.9K | +48% | $0 | |
| DI | 2024-04-02 | 2024-03-31 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +4,562 | 12.28M | +0.0% | — |
| 2024-03-06 | 2024-03-04 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | S - Sale | $10.61 | -3,766 | 59.2K | -6% | -$40.0K | |
| 2024-02-13 | 2024-02-09 | CENX | Trpkovski Peter A | SVP, Fin, Treas | F - Tax | $10.42 | -3,211 | 49.6K | -6% | -$33.5K | |
| I | 2024-01-25 | 2024-01-19 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | +46.0K | 122.4K | +60% | $0 |
| 2024-01-25 | 2024-01-19 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | -46.0K | 356.2K | -11% | $0 | |
| M | 2024-01-03 | 2023-12-31+ | CENX | Hoffman Robert F | VP, CAO, IT | A - Grant | $0.00 | +16.9K | 41.0K | +70% | $0 |
| M | 2024-01-03 | 2023-12-31 | CENX | Hoffman Robert F | VP, CAO, IT | F - Tax | $12.14 | -3,594 | 39.9K | -8% | -$43.6K |
| M | 2024-01-03 | 2023-12-31 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | F - Tax | $12.14 | -3,095 | 45.6K | -6% | -$37.6K |
| M | 2024-01-03 | 2023-12-31+ | CENX | Aboud Matt | SVP, Strategy, Business Dev't | A - Grant | $0.00 | +19.4K | 63.0K | +45% | $0 |
| M | 2024-01-03 | 2023-12-31+ | CENX | DeZee John | EVP, GC, Sec | A - Grant | $0.00 | +27.8K | 101.9K | +38% | $0 |
| M | 2024-01-03 | 2023-12-31 | CENX | DeZee John | EVP, GC, Sec | F - Tax | $12.14 | -4,032 | 81.0K | -5% | -$48.9K |
| M | 2024-01-03 | 2023-12-31+ | CENX | Gary Jesse E | Pres, CEO, Dir | A - Grant | $0.00 | +162.5K | 402.2K | +68% | $0 |
Purchase Sale Sale after option exercise All abbreviations