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CIK 0000949157 · Large accelerated filer

CENTURY ALUMINUM CO

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Ticker
CENX
Exchange
Nasdaq
Industry
Primary Production of Aluminum
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
133070826
Phone
3126963101
Business address
1 SOUTH WACKER DRIVE, SUITE 1000, CHICAGO, IL, 60606
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-01-12 Gary Jesse E President and CEO Gift 10b5-1 +314,611 442,580
2026-01-01 Gary Jesse E President and CEO Grant or award +57,443 591,838
2026-01-01 Gudlaugsson Gunnar EVP - Global Operations Grant or award +15,624 179,393
2026-01-01 Hafberg Agust F SVP & Chief Commercial Officer Grant or award +5,238 67,943
2026-01-01 Trpkovski Peter A EVP, CFO and Treasurer Grant or award +13,488 85,104
2026-01-01 Hoffman Robert F SVP, IT and CAO Grant or award +5,122 77,172
2026-01-01 DeZee John EVP, GC and Secretary Grant or award +9,821 163,647
2026-01-01 Calloway Kenneth L SVP, Human Resources Grant or award +5,238 42,902
2026-01-01 Aboud Matt SVP, Strategy & Business Dev't Grant or award +5,529 79,940
2025-12-31 Gary Jesse E President and CEO Grant or award +439,090 805,237
2025-12-31 Gary Jesse E President and CEO Shares withheld for taxes −203,131 $39.18 $8.0M 602,106
2025-12-31 Gary Jesse E President and CEO Shares withheld for taxes −67,711 $39.18 $2.7M 534,395
2025-12-31 Gudlaugsson Gunnar EVP - Global Operations Grant or award +82,794 226,598
2025-12-31 Gudlaugsson Gunnar EVP - Global Operations Shares withheld for taxes −41,886 $39.18 $1.6M 184,712
2025-12-31 Gudlaugsson Gunnar EVP - Global Operations Shares withheld for taxes −20,943 $39.18 $821K 163,769
2025-12-31 Hafberg Agust F SVP & Chief Commercial Officer Grant or award +30,878 86,138
2025-12-31 Hafberg Agust F SVP & Chief Commercial Officer Shares withheld for taxes −15,622 $39.18 $612K 70,516
2025-12-31 Hafberg Agust F SVP & Chief Commercial Officer Shares withheld for taxes −7,811 $39.18 $306K 62,705
2025-12-31 Trpkovski Peter A EVP, CFO and Treasurer Grant or award +18,260 83,751
2025-12-31 Trpkovski Peter A EVP, CFO and Treasurer Shares withheld for taxes −8,090 $39.18 $317K 75,661

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