SEC Insider Transactions from DeZee John.

Last updated: 2026-03-14 11:52 UTC | Total transactions: 17

John DeZee, EVP, GC, and Secretary of Century Aluminum Co. ($CENX), made one open market sale of company shares in the last year, totaling $3.3 million. His most recent sale occurred on February 23, 2026. This places him 2,520th out of 11,678 insiders by sale value, below the average of $8.6 million across about six transactions per insider. He reported no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 23, 2026 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary S Common Stock 66000 $50.72 97,647.0000 99,200,000 40.33% 0.07%
Jan. 1, 2026 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 9821 $0.00 163,647.0000 99,200,000 6.38% 0.01%
Dec. 31, 2025 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 11971 $39.18 153,826.0000 99,200,000 7.22% 0.01%
Dec. 31, 2025 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 21163 $39.18 165,797.0000 99,200,000 11.32% 0.02%
Dec. 31, 2025 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 54042 $0.00 186,960.0000 99,200,000 40.66% 0.05%
Dec. 31, 2024 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 26036 $0.00 127,919.0000 98,800,000 25.55% 0.03%
Dec. 31, 2024 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 7629 $18.22 120,290.0000 98,800,000 5.96% 0.01%
Dec. 31, 2024 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 2616 $18.22 117,674.0000 98,800,000 2.17% 0.00%
Jan. 1, 2025 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 15244 $0.00 132,918.0000 98,400,000 12.95% 0.02%
Dec. 31, 2023 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 4114 $0.00 82,208.0000 91,400,000 5.27% 0.00%
Jan. 1, 2024 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 23707 $0.00 101,883.0000 92,400,000 30.33% 0.03%
Dec. 31, 2023 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 2826 $12.14 78,176.0000 91,400,000 3.49% 0.00%
Dec. 31, 2023 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 1206 $12.14 81,002.0000 91,400,000 1.47% 0.00%
Dec. 30, 2022 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 3409 $8.18 53,708.0000 0 5.97% 0.00%
Dec. 30, 2022 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary F Common Stock 2635 $8.18 51,073.0000 0 4.91% 0.00%
Jan. 1, 2023 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 27021 $0.00 78,094.0000 91,400,000 52.91% 0.03%
Dec. 30, 2022 CENTURY ALUMINUM CO $CENX DeZee John EVP, GC and Secretary A Common Stock 11633 $0.00 57,117.0000 0 25.58% 0.00%