CENX
Century Aluminum Company$59.39-2.24 (-3.63%)Prev Close$61.63·MCap$6.24B·P/E154.95·Vol553.2K·Yield—
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Buys (12M)
0
$0.00
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Sells (12M)
22
$308.47M
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Net Activity
Net Seller
$308.47M
●
Active Insiders
10
last 12 mo
Over the past 12 months, insider activity at Century Aluminum Company (CENX) has been exclusively selling, with 0 insider purchases totaling $0.00 and 22 insider sales totaling $308.47M. The most recent insider transaction was by Trpkovski Peter A (officer: EVP, CFO), who sold $845.5K worth of shares on Mar 27, 2026. Century Aluminum Company operates in the Basic Materials sector, within the Aluminum industry, with a market cap of $6.24B.
CENX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 27, 2026 | Trpkovski Peter A | officer: EVP, CFO | Sell | 16,739 | $50.51 | $845.5K | 64,125 |
| Mar 13, 2026 | Calloway Kenneth L | officer: SVP, Human Resources | Sell | 18,000 | $58.00 | $1.04M | 24,902-42% |
| Mar 13, 2026 | Hoffman Robert F | officer: SVP, IT and CAO | Sell | 10,529 | $56.51 | $595.0K | 56,643 |
| Mar 6, 2026 | Hoffman Robert F | officer: SVP, IT and CAO | Sell | 10,000 | $56.33 | $563.3K | 67,172 |
| Mar 3, 2026 | Hafberg Agust F | officer: SVP & Chief Commercial Officer | Sell | 22,884 | $51.24 | $1.17M | 45,059-34% |
| Feb 27, 2026 | Gudlaugsson Gunnar | officer: EVP - Global Operations | Sell | 43,000 | $54.10 | $2.33M | 136,393 |
| Feb 25, 2026 | DeZee John | officer: EVP, GC and Secretary | Sell | 66,000 | $50.72 | $3.35M | 97,647-40% |
| Feb 9, 2026 | Trpkovski Peter A | EVP, CFO | Sell | 4,240 | $54.36 | $230.5K | 0 |
| Jan 12, 2026 | Gary Jesse E | President and CEO | Sell | 150,000 | $48.19 | $7.23M | 0 |
| Dec 31, 2025 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 24,728 | $39.18 | $968.8K | 0 |
| Dec 31, 2025 | Calloway Kenneth L | SVP, Human Resources | Sell | 9,192 | $39.18 | $360.1K | 0 |
| Dec 31, 2025 | DeZee John | EVP, GC and Secretary | Sell | 33,134 | $39.18 | $1.30M | 0 |
| Dec 31, 2025 | Gary Jesse E | President and CEO | Sell | 270,842 | $39.18 | $10.61M | 0 |
| Dec 31, 2025 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 62,829 | $39.18 | $2.46M | 0 |
| Dec 31, 2025 | Hafberg Agust F | SVP & Chief Commercial Officer | Sell | 23,433 | $39.18 | $918.1K | 0 |
| Dec 31, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | 18,683 | $39.18 | $732.0K | 0 |
| Dec 31, 2025 | Trpkovski Peter A | EVP, CFO and Treasurer | Sell | 12,135 | $39.18 | $475.4K | 0 |
| Nov 10, 2025 | GLENCORE INTERNATIONAL AG | 10% Owner | Sell | 9,000,000 | $30.25 | $272.25M9.1% OS | 0 |
| Sep 26, 2025 | Hafberg Agust F | SVP & Chief Commercial Officer | Sell | 9,493 | $27.91 | $264.9K | 0 |
| Sep 19, 2025 | Calloway Kenneth L | SVP, Human Resources | Sell | 16,450 | $27.50 | $452.4K | 0 |
| Aug 12, 2025 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 12,027 | $23.27 | $279.9K | 0 |
| Jun 16, 2025 | Michelmore Andrew G | Director | Sell | 2,333 | $17.36 | $40.5K | 0 |
| Mar 20, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | 5,000 | $20.24 | $101.2K | 0 |
| Mar 14, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | 2,500 | $19.99 | $50.0K | 0 |
| Feb 7, 2025 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 4,501 | $18.69 | $84.1K | 0 |
| Dec 31, 2024 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 9,881 | $18.22 | $180.0K | 0 |
| Dec 31, 2024 | Calloway Kenneth L | SVP, Human Resources | Sell | 4,405 | $18.22 | $80.3K | 0 |
| Dec 31, 2024 | DeZee John | EVP, GC and Secretary | Sell | 10,245 | $18.22 | $186.7K | 0 |
| Dec 31, 2024 | Gary Jesse E | President and CEO | Sell | 101,180 | $18.22 | $1.84M | 0 |
| Dec 31, 2024 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 23,909 | $18.22 | $435.6K | 0 |
| Dec 31, 2024 | Hafberg Agust F | SVP & Chief Commercial Officer | Sell | 9,716 | $18.22 | $177.0K | 0 |
| Dec 31, 2024 | Hoffman Robert F | SVP, IT and CAO | Sell | 7,253 | $18.22 | $132.2K | 0 |
| Dec 31, 2024 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 2,752 | $18.22 | $50.1K | 0 |
| Dec 26, 2024 | Gary Jesse E | President and CEO | Sell | 79,243 | $18.66 | $1.48M | 0 |
| Dec 5, 2024 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 20,000 | $23.85 | $477.0K | 0 |
| Jul 1, 2024 | Gary Jesse E | President and CEO | Sell | 13,958 | $16.67 | $232.7K | 0 |
| Jun 26, 2024 | Gary Jesse E | President and CEO | Sell | 60,000 | $16.21 | $972.6K | 0 |
| Jun 3, 2024 | Michelmore Andrew G | Director | Sell | 2,121 | $17.71 | $37.6K | 0 |
| Mar 4, 2024 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 3,766 | $10.61 | $40.0K | 0 |
| Feb 9, 2024 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 3,211 | $10.42 | $33.5K | 0 |
| Dec 31, 2023 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 3,095 | $12.14 | $37.6K | 0 |
| Dec 31, 2023 | DeZee John | EVP, GC and Secretary | Sell | 4,032 | $12.14 | $48.9K | 0 |
| Dec 31, 2023 | Gary Jesse E | President and CEO | Sell | 36,591 | $12.14 | $444.2K | 0 |
| Dec 31, 2023 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 9,671 | $12.14 | $117.4K | 0 |
| Dec 31, 2023 | Hoffman Robert F | VP, IT and CAO | Sell | 3,594 | $12.14 | $43.6K | 0 |
| Dec 28, 2023 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 14,917 | $12.31 | $183.6K | 0 |
| Dec 26, 2023 | Gary Jesse E | President and CEO | Sell | 138,162 | $12.59 | $1.74M | 0 |
| Dec 20, 2023 | Hoffman Robert F | VP, IT and CAO | Sell | 12,000 | $12.06 | $144.7K | 0 |
| Jul 1, 2023 | Gary Jesse E | President and CEO | Sell | 20,937 | $8.72 | $182.6K | 0 |
| Jun 5, 2023 | Michelmore Andrew G | Director | Sell | 4,448 | $8.51 | $37.9K | 0 |
Showing 1–50 of 78
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CENX Insider Buying Activity
The following table shows recent insider purchases of Century Aluminum Company (CENX) stock reported via SEC Form 4 filings.
No insider buying activity found for CENX in the last 12 months.
CENX Insider Selling Activity
The following table shows recent insider sales of Century Aluminum Company (CENX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 27, 2026 | Trpkovski Peter A | officer: EVP, CFO | Sell | 16,739 | $50.51 | $845.5K | 64,125 |
| Mar 13, 2026 | Calloway Kenneth L | officer: SVP, Human Resources | Sell | 18,000 | $58.00 | $1.04M | 24,902-42% |
| Mar 13, 2026 | Hoffman Robert F | officer: SVP, IT and CAO | Sell | 10,529 | $56.51 | $595.0K | 56,643 |
| Mar 6, 2026 | Hoffman Robert F | officer: SVP, IT and CAO | Sell | 10,000 | $56.33 | $563.3K | 67,172 |
| Mar 3, 2026 | Hafberg Agust F | officer: SVP & Chief Commercial Officer | Sell | 22,884 | $51.24 | $1.17M | 45,059-34% |
| Feb 27, 2026 | Gudlaugsson Gunnar | officer: EVP - Global Operations | Sell | 43,000 | $54.10 | $2.33M | 136,393 |
| Feb 25, 2026 | DeZee John | officer: EVP, GC and Secretary | Sell | 66,000 | $50.72 | $3.35M | 97,647-40% |
| Feb 9, 2026 | Trpkovski Peter A | EVP, CFO | Sell | 4,240 | $54.36 | $230.5K | 0 |
| Jan 12, 2026 | Gary Jesse E | President and CEO | Sell | 150,000 | $48.19 | $7.23M | 0 |
| Dec 31, 2025 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 24,728 | $39.18 | $968.8K | 0 |
| Dec 31, 2025 | Calloway Kenneth L | SVP, Human Resources | Sell | 9,192 | $39.18 | $360.1K | 0 |
| Dec 31, 2025 | DeZee John | EVP, GC and Secretary | Sell | 33,134 | $39.18 | $1.30M | 0 |
| Dec 31, 2025 | Gary Jesse E | President and CEO | Sell | 270,842 | $39.18 | $10.61M | 0 |
| Dec 31, 2025 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 62,829 | $39.18 | $2.46M | 0 |
| Dec 31, 2025 | Hafberg Agust F | SVP & Chief Commercial Officer | Sell | 23,433 | $39.18 | $918.1K | 0 |
| Dec 31, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | 18,683 | $39.18 | $732.0K | 0 |
| Dec 31, 2025 | Trpkovski Peter A | EVP, CFO and Treasurer | Sell | 12,135 | $39.18 | $475.4K | 0 |
| Nov 10, 2025 | GLENCORE INTERNATIONAL AG | 10% Owner | Sell | 9,000,000 | $30.25 | $272.25M9.1% OS | 0 |
| Sep 26, 2025 | Hafberg Agust F | SVP & Chief Commercial Officer | Sell | 9,493 | $27.91 | $264.9K | 0 |
| Sep 19, 2025 | Calloway Kenneth L | SVP, Human Resources | Sell | 16,450 | $27.50 | $452.4K | 0 |
| Aug 12, 2025 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 12,027 | $23.27 | $279.9K | 0 |
| Jun 16, 2025 | Michelmore Andrew G | Director | Sell | 2,333 | $17.36 | $40.5K | 0 |
| Mar 20, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | 5,000 | $20.24 | $101.2K | 0 |
| Mar 14, 2025 | Hoffman Robert F | SVP, IT and CAO | Sell | 2,500 | $19.99 | $50.0K | 0 |
| Feb 7, 2025 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 4,501 | $18.69 | $84.1K | 0 |
| Dec 31, 2024 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 9,881 | $18.22 | $180.0K | 0 |
| Dec 31, 2024 | Calloway Kenneth L | SVP, Human Resources | Sell | 4,405 | $18.22 | $80.3K | 0 |
| Dec 31, 2024 | DeZee John | EVP, GC and Secretary | Sell | 10,245 | $18.22 | $186.7K | 0 |
| Dec 31, 2024 | Gary Jesse E | President and CEO | Sell | 101,180 | $18.22 | $1.84M | 0 |
| Dec 31, 2024 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 23,909 | $18.22 | $435.6K | 0 |
| Dec 31, 2024 | Hafberg Agust F | SVP & Chief Commercial Officer | Sell | 9,716 | $18.22 | $177.0K | 0 |
| Dec 31, 2024 | Hoffman Robert F | SVP, IT and CAO | Sell | 7,253 | $18.22 | $132.2K | 0 |
| Dec 31, 2024 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 2,752 | $18.22 | $50.1K | 0 |
| Dec 26, 2024 | Gary Jesse E | President and CEO | Sell | 79,243 | $18.66 | $1.48M | 0 |
| Dec 5, 2024 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 20,000 | $23.85 | $477.0K | 0 |
| Jul 1, 2024 | Gary Jesse E | President and CEO | Sell | 13,958 | $16.67 | $232.7K | 0 |
| Jun 26, 2024 | Gary Jesse E | President and CEO | Sell | 60,000 | $16.21 | $972.6K | 0 |
| Jun 3, 2024 | Michelmore Andrew G | Director | Sell | 2,121 | $17.71 | $37.6K | 0 |
| Mar 4, 2024 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 3,766 | $10.61 | $40.0K | 0 |
| Feb 9, 2024 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 3,211 | $10.42 | $33.5K | 0 |
| Dec 31, 2023 | Aboud Matt | SVP, Strategy & Business Dev't | Sell | 3,095 | $12.14 | $37.6K | 0 |
| Dec 31, 2023 | DeZee John | EVP, GC and Secretary | Sell | 4,032 | $12.14 | $48.9K | 0 |
| Dec 31, 2023 | Gary Jesse E | President and CEO | Sell | 36,591 | $12.14 | $444.2K | 0 |
| Dec 31, 2023 | Gudlaugsson Gunnar | EVP - Global Operations | Sell | 9,671 | $12.14 | $117.4K | 0 |
| Dec 31, 2023 | Hoffman Robert F | VP, IT and CAO | Sell | 3,594 | $12.14 | $43.6K | 0 |
| Dec 28, 2023 | Trpkovski Peter A | SVP, Finance and Treasurer | Sell | 14,917 | $12.31 | $183.6K | 0 |
| Dec 26, 2023 | Gary Jesse E | President and CEO | Sell | 138,162 | $12.59 | $1.74M | 0 |
| Dec 20, 2023 | Hoffman Robert F | VP, IT and CAO | Sell | 12,000 | $12.06 | $144.7K | 0 |
| Jul 1, 2023 | Gary Jesse E | President and CEO | Sell | 20,937 | $8.72 | $182.6K | 0 |
| Jun 5, 2023 | Michelmore Andrew G | Director | Sell | 4,448 | $8.51 | $37.9K | 0 |