CENTURY ALUMINUM CO (CENX)

Latest Insider Confidence Score

2026Q1

47.8
Bearish

Company insider confidence (by quarter)

2009Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Givolon Ltd — 27,500,000 Dec 16, 2022
Ryfold Ltd — 27,500,000 Dec 16, 2022
Estera Trust (Jersey) Ltd — 27,500,000 Dec 16, 2022
Ryfold Trust — 27,500,000 Dec 16, 2022
Glencore International Ag 10% Owner 4,948,591 Nov 13, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 6, 2026 Hoffman Robert F SVP, IT and CAO Sell 20.0 -10,000 -12.96% ✗ $563.3K
Mar 2, 2026 Mar 4, 2026 Aboud Matt SVP, Strategy & Business Dev't Sell 20.0 -15,097 -18.89% ✗ $793.1K
Mar 4, 2026 Mar 4, 2026 GLENCORE INTERNATIONAL AG 10% Owner Sell 15.0 -6,315,245 -34.14% ✗ $326.8M
Feb 27, 2026 Mar 3, 2026 Hafberg Agust F SVP & Chief Commercial Officer Sell 17.5 -22,884 -33.68% ✗ $1.2M
Feb 25, 2026 Feb 27, 2026 Gudlaugsson Gunnar EVP - Global Operations Sell 17.5 -43,000 -23.97% ✗ $2.3M
Feb 23, 2026 Feb 25, 2026 DeZee John EVP, GC and Secretary Sell 17.5 -66,000 -40.33% ✗ $3.3M
Feb 9, 2026 Feb 11, 2026 Trpkovski Peter A CFO Sell 22.5 -4,240 -4.98% ✗ $230.5K
Jan 12, 2026 Jan 23, 2026 Gary Jesse E CEO Sell 13.1 -150,000 -20.84% ✓ $7.2M
Dec 31, 2025 Jan 5, 2026 Gary Jesse E CEO Sell 100.0 +225,691 45.68% ✗ $10.6M
Dec 31, 2025 Jan 5, 2026 Gudlaugsson Gunnar EVP - Global Operations Sell 100.0 +35,589 24.75% ✗ $2.5M
Dec 31, 2025 Jan 5, 2026 Hafberg Agust F SVP & Chief Commercial Officer Sell 97.5 +12,683 22.95% ✗ $918.1K
Dec 31, 2025 Jan 5, 2026 Trpkovski Peter A CFO Sell 97.5 +19,613 29.95% ✗ $475.4K
Dec 31, 2025 Jan 5, 2026 Hoffman Robert F SVP, IT and CAO Sell 97.5 +18,089 30.62% ✗ $732K
Dec 31, 2025 Jan 5, 2026 DeZee John EVP, GC and Secretary Sell 100.0 +30,729 23.12% ✗ $1.3M
Dec 31, 2025 Jan 5, 2026 Calloway Kenneth L SVP, Human Resources Sell 97.5 +14,196 49.45% ✗ $360.1K
Dec 31, 2025 Jan 5, 2026 Aboud Matt SVP, Strategy & Business Dev't Sell 97.5 +17,351 27.72% ✗ $968.8K
Nov 10, 2025 Nov 13, 2025 GLENCORE INTERNATIONAL AG 10% Owner Sell 15.0 -9,000,000 -32.73% ✗ $272.3M
Sep 30, 2025 Oct 2, 2025 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Sep 26, 2025 Sep 30, 2025 Hafberg Agust F SVP & Chief Commercial Officer Sell 20.0 -9,493 -14.66% ✗ $264.9K
Sep 19, 2025 Sep 23, 2025 Calloway Kenneth L SVP, Human Resources Sell 20.0 -16,450 -36.43% ✗ $452.4K
Aug 12, 2025 Aug 14, 2025 Aboud Matt SVP, Strategy & Business Dev't Sell 20.0 -12,027 -16.12% ✗ $279.9K
Jun 30, 2025 Jul 2, 2025 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 16, 2025 Jun 18, 2025 GLASSER ERROL Director Neutral 85.0 +7,778 7.01% ✗ -
Jun 16, 2025 Jun 18, 2025 Olivier Tamla A Director Neutral 90.0 +7,778 35.52% ✗ -
Jun 16, 2025 Jun 18, 2025 Michelmore Andrew G Director Sell 86.3 +5,445 6.51% ✗ $40.5K
Jun 16, 2025 Jun 18, 2025 Bush Jennifer Mary Director Neutral 90.0 +7,778 19.90% ✗ -
Jun 16, 2025 Jun 18, 2025 Berntzen Jarl Director Neutral 82.5 +7,778 3.87% ✗ -
Mar 31, 2025 Apr 1, 2025 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Mar 21, 2025 Mar 25, 2025 Trpkovski Peter A CFO Neutral 90.0 +12,455 23.48% ✗ -
Mar 20, 2025 Mar 24, 2025 Hoffman Robert F SVP, IT and CAO Sell 22.5 -5,000 -7.80% ✗ $101.2K
Mar 14, 2025 Mar 18, 2025 Hoffman Robert F SVP, IT and CAO Sell 26.3 -2,500 -3.75% ✗ $50K
Feb 7, 2025 Feb 10, 2025 Trpkovski Peter A SVP, Finance and Treasurer Sell 22.5 -4,501 -7.82% ✗ $84.1K
Jan 28, 2025 Jan 29, 2025 Gary Jesse E CEO Neutral 52.5 - 0.00% ✗ -
Dec 31, 2024 Jan 3, 2025 Hoffman Robert F SVP, IT and CAO Sell 95.0 +14,727 28.39% ✗ $132.1K
Dec 31, 2024 Jan 3, 2025 Gary Jesse E CEO Sell 100.0 +168,706 51.84% ✗ $1.8M
Dec 31, 2024 Jan 3, 2025 Gudlaugsson Gunnar EVP - Global Operations Sell 97.5 +35,872 33.24% ✗ $435.6K
Dec 31, 2024 Jan 3, 2025 Hafberg Agust F SVP & Chief Commercial Officer Sell 95.0 +12,375 23.63% ✗ $177K
Dec 31, 2024 Jan 3, 2025 DeZee John EVP, GC and Secretary Sell 95.0 +31,035 30.46% ✗ $186.7K
Dec 31, 2024 Jan 3, 2025 Calloway Kenneth L SVP, Human Resources Sell 95.0 +10,649 30.86% ✗ $80.3K
Dec 31, 2024 Jan 3, 2025 Aboud Matt SVP, Strategy & Business Dev't Sell 95.0 +15,368 25.94% ✗ $180K
Dec 31, 2024 Jan 3, 2025 Trpkovski Peter A SVP, Finance and Treasurer Sell 95.0 +7,918 15.96% ✗ $50.1K
Jan 1, 2025 Jan 3, 2025 Bialek Gerald C CFO Neutral 90.0 +17,534 21.10% ✗ -
Dec 31, 2024 Jan 3, 2025 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Dec 26, 2024 Dec 30, 2024 Gary Jesse E CEO Sell 17.5 -79,243 -19.58% ✗ $1.5M
Dec 26, 2024 Hafberg Agust F SVP & Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Dec 5, 2024 Dec 9, 2024 Gudlaugsson Gunnar EVP - Global Operations Sell 20.0 -20,000 -15.63% ✗ $477K
Sep 30, 2024 Oct 2, 2024 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Sep 3, 2024 Brainerd Theresa L Global Corporate Controller Neutral 52.5 - 0.00% ✗ -
Jul 11, 2024 Jul 15, 2024 Gary Jesse E CEO Neutral 52.5 - 0.00% ✗ -
Jul 1, 2024 Jul 3, 2024 Gary Jesse E CEO Sell 22.5 -13,958 -3.33% ✗ $232.7K
Jun 30, 2024 Jul 2, 2024 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 26, 2024 Jun 28, 2024 Gary Jesse E CEO Sell 20.0 -60,000 -12.54% ✗ $972.6K
Jun 3, 2024 Jun 5, 2024 Olivier Tamla A Director Neutral 90.0 +7,070 47.69% ✗ -
Jun 3, 2024 Jun 5, 2024 Berntzen Jarl Director Neutral 82.5 +7,070 3.64% ✗ -
Jun 3, 2024 Jun 5, 2024 Bush Jennifer Mary Director Neutral 90.0 +7,070 22.08% ✗ -
Jun 3, 2024 Jun 5, 2024 GLASSER ERROL Director Neutral 85.0 +7,070 6.81% ✗ -
Jun 3, 2024 Jun 5, 2024 Michelmore Andrew G Director Sell 86.3 +4,949 6.29% ✗ $37.6K
Mar 31, 2024 Apr 2, 2024 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Mar 13, 2024 Calloway Kenneth L SVP, Human Resources Neutral 52.5 - 0.00% ✗ -
Mar 4, 2024 Mar 6, 2024 Aboud Matt SVP, Strategy & Business Dev't Sell 26.3 -3,766 -5.98% ✗ $40K
Feb 9, 2024 Feb 13, 2024 Trpkovski Peter A SVP, Finance and Treasurer Sell 26.3 -3,211 -6.08% ✗ $33.5K
Jan 19, 2024 Jan 25, 2024 Gary Jesse E CEO Neutral 52.5 - 0.00% ✗ -
Dec 31, 2023 Jan 3, 2024 Gary Jesse E CEO Sell 97.5 +125,900 35.69% ✗ $444.2K
Dec 31, 2023 Jan 3, 2024 DeZee John EVP, GC and Secretary Sell 91.3 +23,789 30.46% ✗ $48.9K
Dec 31, 2023 Jan 3, 2024 Gudlaugsson Gunnar EVP - Global Operations Sell 95.0 +43,414 51.37% ✗ $117.4K
Dec 31, 2023 Jan 3, 2024 Hoffman Robert F VP, IT and CAO Sell 91.3 +13,303 34.49% ✗ $43.6K
Jan 1, 2024 Jan 3, 2024 Bialek Gerald C CFO Neutral 90.0 +35,974 76.36% ✗ -
Dec 31, 2023 Jan 3, 2024 Aboud Matt SVP, Strategy & Business Dev't Sell 91.3 +16,336 35.00% ✗ $37.6K
Dec 31, 2023 Jan 3, 2024 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Dec 28, 2023 Jan 2, 2024 Trpkovski Peter A SVP, Finance and Treasurer Sell 22.5 -3,076 -5.50% ✗ $183.6K
Sep 8, 2022 Dec 28, 2023 Gary Jesse E CEO Sell 17.5 -138,162 -28.15% ✗ $1.7M
Dec 20, 2023 Dec 22, 2023 Hoffman Robert F VP, IT and CAO Sell 22.5 -12,000 -23.73% ✗ $144.7K
Sep 30, 2023 Oct 2, 2023 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 30, 2023 Jul 5, 2023 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Jul 1, 2023 Jul 3, 2023 Gary Jesse E CEO Sell 22.5 -20,937 -2.23% ✗ $182.6K
Jul 3, 2023 Trpkovski Peter A SVP, Finance and Treasurer Neutral 52.5 - 0.00% ✗ -
Jun 5, 2023 Jun 7, 2023 Olivier Tamla A Director Neutral 90.0 +14,825 100.00% ✗ -
Jun 5, 2023 Jun 7, 2023 Michelmore Andrew G Director Sell 91.3 +10,377 15.19% ✗ $37.9K
Jun 5, 2023 Jun 7, 2023 GLASSER ERROL Director Neutral 90.0 +14,825 16.65% ✗ -
Jun 5, 2023 Jun 7, 2023 Berntzen Jarl Director Neutral 85.0 +14,825 8.27% ✗ -
Jun 5, 2023 Jun 7, 2023 Bush Jennifer Mary Director Neutral 90.0 +14,825 86.20% ✗ -
Jun 7, 2023 Olivier Tamla A Director Neutral 52.5 - 0.00% ✗ -
May 11, 2023 May 15, 2023 Aboud Matt SVP, Strategy & Business Dev't Buy 95.0 +18,000 62.77% ✗ $130.5K
Dec 30, 2022 Jan 4, 2023 Harrison Michelle Sr. VP Finance & Treasurer Sell 95.0 +14,982 22.59% ✗ $84.3K
Dec 30, 2022 Jan 4, 2023 Gary Jesse E CEO Sell 97.5 +163,752 47.05% ✗ $520.5K
Dec 30, 2022 Jan 4, 2023 Hoffman Robert F VP, IT and CAO Sell 95.0 +18,173 56.10% ✗ $70.3K
Dec 30, 2022 Jan 4, 2023 DeZee John EVP, GC and Secretary Sell 91.3 +32,610 71.70% ✗ $49.4K
Dec 30, 2022 Jan 4, 2023 Gudlaugsson Gunnar EVP - Global Operations Sell 95.0 +42,589 101.57% ✗ $84K
Jan 1, 2023 Jan 4, 2023 Bialek Gerald C CFO Neutral 90.0 +38,537 449.41% ✗ -
Jan 1, 2023 Jan 4, 2023 Aboud Matt SVP, Strategy & Business Dev't Neutral 90.0 +18,275 175.67% ✗ -
Dec 31, 2022 Jan 4, 2023 GLENCORE INTERNATIONAL AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Dec 15, 2022 Dec 16, 2022 GLENCORE INTERNATIONAL AG 10% Owner Neutral 90.0 +27,500,000 235.02% ✗ -
Dec 15, 2022 Dec 16, 2022 Ryfold Ltd 10% Owner Neutral 27.5 -27,500,000 -100.00% ✗ -
Sep 30, 2022 Oct 3, 2022 Glencore AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Aug 22, 2022 Aug 24, 2022 Bialek Gerald C CFO Neutral 90.0 +8,575 100.00% ✗ -
Aug 24, 2022 Bialek Gerald C CFO Neutral 52.5 - 0.00% ✗ -
Aug 12, 2022 Aug 16, 2022 Gary Jesse E CEO Sell 20.0 -99,568 -22.24% ✗ $929.1K
Jan 26, 2022 Jul 6, 2022 Gary Jesse E CEO Sell 20.0 -34,895 -7.23% ✗ $254K
Jun 30, 2022 Jul 1, 2022 Glencore AG 10% Owner Neutral 52.5 - 0.00% ✗ -
Jun 14, 2022 Jun 16, 2022 Michelmore Andrew G Director Sell 91.3 +6,550 10.60% ✗ $29.3K