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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2024-01-03 | 2023-12-31 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $12.14 | -36.6K | 266.4K | -12% | -$444.2K |
| DI | 2024-01-03 | 2023-12-31 | CENX | GLENCORE INTERNATIONAL AG | 10% | C - Cnv Deriv | — | +122.4K | 12.28M | +1% | — |
| M | 2024-01-03 | 2023-12-31+ | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | A - Grant | $0.00 | +53.1K | 127.9K | +71% | $0 |
| M | 2024-01-03 | 2023-12-31 | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | F - Tax | $12.14 | -9,671 | 80.6K | -11% | -$117.4K |
| 2024-01-03 | 2024-01-01 | CENX | Bialek Gerald C | CFO | A - Grant | $0.00 | +36.0K | 83.1K | +76% | $0 | |
| 2024-01-02 | 2023-12-28 | CENX | Trpkovski Peter A | SVP, Fin, Treas | S - Sale | $12.32 | -13.9K | 42.0K | -25% | -$171.3K | |
| 2024-01-02 | 2024-01-01 | CENX | Trpkovski Peter A | SVP, Fin, Treas | A - Grant | $0.00 | +11.8K | 52.8K | +29% | $0 | |
| 2024-01-02 | 2023-12-31 | CENX | Trpkovski Peter A | SVP, Fin, Treas | F - Tax | $12.14 | -1,009 | 41.0K | -2% | -$12.2K | |
| M | 2023-12-28 | 2022-09-08+ | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | -70.2K | 276.3K | -20% | $0 |
| MI | 2023-12-28 | 2022-09-08+ | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | +70.2K | 214.6K | +49% | $0 |
| MI | 2023-12-28 | 2023-12-26+ | CENX | Gary Jesse E | Pres, CEO, Dir | S - Sale | $12.59 | -138.2K | 144.6K | -49% | -$1.74M |
| M | 2023-12-22 | 2023-12-20+ | CENX | Hoffman Robert F | VP, CAO, IT | S - Sale | $12.06 | -12.0K | 38.6K | -24% | -$144.7K |
| DI | 2023-10-02 | 2023-09-30 | CENX | GLENCORE INTERNATIONAL AG | 10% | C - Cnv Deriv | — | +19.8K | 12.16M | +0.2% | — |
| DI | 2023-07-05 | 2023-06-30 | CENX | Glencore AG | 10% | C - Cnv Deriv | — | +14.8K | 12.14M | +0.1% | — |
| 2023-07-03 | 2023-02-08 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | -80.0K | 346.5K | -19% | $0 | |
| 2023-07-03 | 2023-07-01 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $8.72 | -20.9K | 426.5K | -5% | -$182.6K | |
| I | 2023-07-03 | 2023-02-08 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | +80.0K | 144.4K | +124% | $0 |
| 2023-06-07 | 2023-06-05 | CENX | Olivier Tamla A | Dir | A - Grant | $0.00 | +14.8K | 14.8K | New | $0 | |
| 2023-06-07 | 2023-06-05 | CENX | Bush Jennifer Mary | Dir | A - Grant | $0.00 | +14.8K | 32.0K | +86% | $0 | |
| 2023-06-07 | 2023-06-05 | CENX | Berntzen Jarl | Dir | A - Grant | $0.00 | +14.8K | 194.1K | +8% | $0 | |
| 2023-06-07 | 2023-06-05 | CENX | Michelmore Andrew G | Dir | F - Tax | $8.51 | -4,448 | 78.7K | -5% | -$37.9K | |
| 2023-06-07 | 2023-06-05 | CENX | Michelmore Andrew G | Dir | A - Grant | $0.00 | +14.8K | 83.1K | +22% | $0 | |
| 2023-06-07 | 2023-06-05 | CENX | GLASSER ERROL | Dir | A - Grant | $0.00 | +14.8K | 103.8K | +17% | $0 | |
| 2023-05-15 | 2023-05-11 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | P - Purchase | $7.25 | +18.0K | 46.7K | +63% | +$130.5K | |
| M | 2023-01-04 | 2022-12-30 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $8.18 | -63.6K | 328.8K | -16% | -$520.5K |
| M | 2023-01-04 | 2022-12-30+ | CENX | Gary Jesse E | Pres, CEO, Dir | A - Grant | $0.00 | +227.4K | 447.4K | +103% | $0 |
| 2023-01-04 | 2023-01-01 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | A - Grant | $0.00 | +18.3K | 28.7K | +176% | $0 | |
| 2023-01-04 | 2023-01-01 | CENX | Bialek Gerald C | CFO | A - Grant | $0.00 | +38.5K | 47.1K | +449% | $0 | |
| M | 2023-01-04 | 2022-12-30 | CENX | Harrison Michelle | SVP Fin, Treas | F - Tax | $8.18 | -10.3K | 71.9K | -13% | -$84.3K |
| M | 2023-01-04 | 2022-12-30+ | CENX | Harrison Michelle | SVP Fin, Treas | A - Grant | $0.00 | +25.3K | 80.9K | +45% | $0 |
| M | 2023-01-04 | 2022-12-30+ | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | A - Grant | $0.00 | +52.9K | 53.4K | +9,936% | $0 |
| M | 2023-01-04 | 2022-12-30 | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | F - Tax | $8.18 | -10.3K | 47.6K | -18% | -$84.0K |
| M | 2023-01-04 | 2022-12-30 | CENX | Hoffman Robert F | VP, CAO, IT | F - Tax | $8.18 | -8,591 | 38.5K | -18% | -$70.3K |
| M | 2023-01-04 | 2022-12-30+ | CENX | Hoffman Robert F | VP, CAO, IT | A - Grant | $0.00 | +26.8K | 50.6K | +113% | $0 |
| DI | 2023-01-04 | 2022-12-31 | CENX | GLENCORE INTERNATIONAL AG | 10% | C - Cnv Deriv | — | +419.2K | 12.12M | +4% | — |
| M | 2023-01-04 | 2022-12-30 | CENX | DeZee John | EVP, GC, Sec | F - Tax | $8.18 | -6,044 | 51.1K | -11% | -$49.4K |
| M | 2023-01-04 | 2022-12-30+ | CENX | DeZee John | EVP, GC, Sec | A - Grant | $0.00 | +38.7K | 78.1K | +98% | $0 |
| DI | 2022-12-16 | 2022-12-15 | CENX | Givolon Ltd | 10% | J - Other | — | -27.50M | 0 | -100% | — |
| D | 2022-12-16 | 2022-12-15 | CENX | Glencore plc | 10% | J - Other | — | +27.50M | 27.50M | New | — |
| D | 2022-10-03 | 2022-09-30 | CENX | GLENCORE INTERNATIONAL AG | 10% | C - Cnv Deriv | — | +33.0K | 11.70M | +0.3% | — |
| 2022-08-24 | 2022-08-22 | CENX | Bialek Gerald C | CFO | A - Grant | $0.00 | +8,575 | 8,575 | New | $0 | |
| MI | 2022-08-16 | 2022-08-12+ | CENX | Gary Jesse E | Pres, CEO, Dir | S - Sale | $9.33 | -99.6K | 64.4K | -61% | -$929.2K |
| I | 2022-07-06 | 2022-01-26 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | +99.6K | 164.0K | +155% | $0 |
| 2022-07-06 | 2022-01-26 | CENX | Gary Jesse E | Pres, CEO, Dir | G - Gift | $0.00 | -99.6K | 318.6K | -24% | $0 | |
| 2022-07-06 | 2022-07-01 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $7.28 | -34.9K | 283.7K | -11% | -$254.0K | |
| 2022-07-01 | 2022-06-30 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +16.6K | 11.67M | +0.1% | — | |
| 2022-06-16 | 2022-06-14 | CENX | Michelmore Andrew G | Dir | A - Grant | $0.00 | +9,358 | 71.1K | +15% | $0 | |
| 2022-06-16 | 2022-06-14 | CENX | Michelmore Andrew G | Dir | F - Tax | $10.43 | -2,808 | 68.3K | -4% | -$29.3K | |
| 2022-06-16 | 2022-06-14 | CENX | GLASSER ERROL | Dir | A - Grant | $0.00 | +9,358 | 89.0K | +12% | $0 | |
| 2022-06-16 | 2022-06-14 | CENX | Berntzen Jarl | Dir | A - Grant | $0.00 | +9,358 | 179.3K | +6% | $0 | |
| 2022-06-16 | 2022-06-14 | CENX | Bush Jennifer Mary | Dir | A - Grant | $0.00 | +9,358 | 17.2K | +119% | $0 | |
| 2022-03-22 | 2022-03-21 | CENX | DeZee John | EVP, GC | S - Sale | $27.64 | -15.3K | 45.5K | -25% | -$422.5K | |
| 2022-03-08 | 2022-03-04 | CENX | Hoffman Robert F | See Remarks | S - Sale | $29.19 | -3,480 | 32.4K | -10% | -$101.6K | |
| 2022-03-01 | 2022-02-28 | CENX | Harrison Michelle | SVP Fin, Treas | S - Sale | $23.22 | -16.3K | 66.0K | -20% | -$378.1K | |
| 2022-03-01 | 2022-03-01 | CENX | Conti Craig C | EVP, CFO | S - Sale | $25.69 | -12.9K | 117.0K | -10% | -$331.9K | |
| M | 2022-01-04 | 2021-12-31 | CENX | Hoffman Robert F | Principal Accounting Off | F - Tax | $16.56 | -10.4K | 31.2K | -25% | -$171.7K |
| M | 2022-01-04 | 2021-12-31+ | CENX | Hoffman Robert F | Principal Accounting Off | A - Grant | $0.00 | +20.7K | 35.9K | +136% | $0 |
| M | 2022-01-04 | 2021-12-31+ | CENX | DeZee John | EVP, GC, Sec | A - Grant | $0.00 | +26.2K | 56.9K | +86% | $0 |
| M | 2022-01-04 | 2021-12-31 | CENX | DeZee John | EVP, GC, Sec | F - Tax | $16.56 | -7,429 | 51.8K | -13% | -$123.0K |
| M | 2022-01-04 | 2021-12-31 | CENX | Harrison Michelle | SVP Fin, Treas | F - Tax | $16.56 | -12.8K | 68.7K | -16% | -$211.4K |
| M | 2022-01-04 | 2021-12-31+ | CENX | Harrison Michelle | SVP Fin, Treas | A - Grant | $0.00 | +22.3K | 86.3K | +35% | $0 |
| M | 2022-01-04 | 2021-12-31 | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | F - Tax | $16.56 | -7,763 | 29.9K | -21% | -$128.6K |
| M | 2022-01-04 | 2021-12-31+ | CENX | Gudlaugsson Gunnar | EVP - Gbl Ops | A - Grant | $0.00 | +22.6K | 35.2K | +179% | $0 |
| M | 2022-01-04 | 2021-12-31 | CENX | Conti Craig C | EVP, CFO | F - Tax | $16.56 | -31.4K | 114.9K | -21% | -$520.8K |
| M | 2022-01-04 | 2021-12-31+ | CENX | Conti Craig C | EVP, CFO | A - Grant | $0.00 | +63.5K | 129.9K | +96% | $0 |
| D | 2022-01-04 | 2021-12-31 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +473.1K | 11.65M | +4% | — |
| M | 2022-01-04 | 2021-12-31 | CENX | Gary Jesse E | Pres, CEO, Dir | F - Tax | $16.56 | -79.2K | 307.6K | -20% | -$1.31M |
| M | 2022-01-04 | 2021-12-31+ | CENX | Gary Jesse E | Pres, CEO, Dir | A - Grant | $0.00 | +164.6K | 418.1K | +65% | $0 |
| 2022-01-04 | 2022-01-01 | CENX | Aboud Matt | SVP, Strategy, Business Dev't | A - Grant | $0.00 | +5,594 | 10.4K | +116% | $0 | |
| 2021-12-08 | 2021-12-06 | CENX | Bush Jennifer Mary | Dir | A - Grant | $0.00 | +7,841 | 7,841 | New | $0 | |
| 2021-07-02 | 2021-07-01 | CENX | Gary Jesse E | Pres, CEO, Dir | A - Grant | $0.00 | +171.3K | 332.7K | +106% | $0 | |
| D | 2021-07-01 | 2021-06-30 | CENX | Glencore plc | 10% | C - Cnv Deriv | — | +17.8K | 11.18M | +0.2% | — |
Purchase Sale Sale after option exercise All abbreviations