Through the 90-day period concluding February 19, 2026, Century Aluminum's top three insider stakeholders include TenPercentOwner International Ag Glencore (36.01Mn shares), TenPercentOwner Ag Glencore (11.70Mn shares), President And Ceo Jesse E Gary (569.81K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| International Ag Glencore | 36,005,947 | 13 Nov, 2025 | |
| Ag Glencore | 11,701,321 | 03 Oct, 2022 | |
| Jesse E Gary | President And Ceo | 569,807 | 23 Jan, 2026 |
| Jarl Berntzen | 208,951 | 18 Jun, 2025 | |
| Gunnar Gudlaugsson | Evp Global Operations | 179,393 | 05 Jan, 2026 |
| John Dezee | Evp And Gc And Secretary | 163,647 | 05 Jan, 2026 |
| Errol Glasser | 118,697 | 18 Jun, 2025 | |
| Craig C Conti | Evp & Chief Financial Officer | 117,018 | 01 Mar, 2022 |
| Gerald C Bialek | Chief Financial Officer | 100,620 | 03 Jan, 2025 |
| Andrew G Michelmore | 89,089 | 18 Jun, 2025 | |
| Michelle Harrison | Sr. Vp Finance & Treasurer | 80,947 | 04 Jan, 2023 |
| Peter A Trpkovski | Evp And Cfo | 80,864 | 11 Feb, 2026 |
| Matt Aboud | Svp And Strategy & Business Dev'T | 79,940 | 05 Jan, 2026 |
| Robert F Hoffman | Svp And It And Cao | 77,172 | 05 Jan, 2026 |
| Agust F Hafberg | Svp & Chief Commercial Officer | 67,943 | 05 Jan, 2026 |
| Jennifer Mary Bush | 46,872 | 18 Jun, 2025 | |
| Kenneth L Calloway | Svp And Human Resources | 42,902 | 05 Jan, 2026 |
| Tamla A Olivier | 29,673 | 18 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 09 Feb, 2026 | Peter A Trpkovski | Common Stock | D | 4,240 | $54.36 | 80,864 | D | F |
| 23 Jan, 2026 | Jesse E Gary | Common Stock | D | 150,000 | $48.19 | 292,580 | I | S |
| 12 Jan, 2026 | Jesse E Gary | Common Stock | D | 314,611 | $0.00 | 277,227 | D | G |
| 12 Jan, 2026 | Jesse E Gary | Common Stock | A | 314,611 | $0.00 | 442,580 | I | G |
| 01 Jan, 2026 | Jesse E Gary | Common Stock | A | 57,443 | $0.00 | 591,838 | D | A |
| 01 Jan, 2026 | Robert F Hoffman | Common Stock | A | 5,122 | $0.00 | 77,172 | D | A |
| 01 Jan, 2026 | Gunnar Gudlaugsson | Common Stock | A | 15,624 | $0.00 | 179,393 | D | A |
| 01 Jan, 2026 | John Dezee | - | - | 163,647 | D | |||
| 01 Jan, 2026 | John Dezee | Common Stock | A | 9,821 | $0.00 | 163,647 | D | A |
| 01 Jan, 2026 | Matt Aboud | Common Stock | A | 5,529 | $0.00 | 79,940 | D | A |
| 01 Jan, 2026 | Peter A Trpkovski | Common Stock | A | 13,488 | $0.00 | 85,104 | D | A |
| 01 Jan, 2026 | Kenneth L Calloway | Common Stock | A | 5,238 | $0.00 | 42,902 | D | A |
| 01 Jan, 2026 | Agust F Hafberg | Common Stock | A | 5,238 | $0.00 | 67,943 | D | A |
| 31 Dec, 2025 | Jesse E Gary | Common Stock | D | 67,711 | $39.18 | 534,395 | D | F |
| 31 Dec, 2025 | Jesse E Gary | Common Stock | D | 203,131 | $39.18 | 602,106 | D | F |
| 31 Dec, 2025 | Jesse E Gary | Common Stock | A | 439,090 | $0.00 | 805,237 | D | A |
| 31 Dec, 2025 | Robert F Hoffman | Common Stock | A | 31,650 | $0.00 | 90,733 | D | A |
| 31 Dec, 2025 | Robert F Hoffman | Common Stock | D | 6,228 | $39.18 | 72,050 | D | F |
| 31 Dec, 2025 | Robert F Hoffman | Common Stock | D | 12,455 | $39.18 | 78,278 | D | F |
| 31 Dec, 2025 | Gunnar Gudlaugsson | Common Stock | D | 20,943 | $39.18 | 163,769 | D | F |