Century Aluminum Co

Ownership Transactions Reported by 20 Insiders

Symbol
CENX on Nasdaq
Industry
Primary Production of Aluminum
Location
1 South Wacker Drive, Suite 1000, Chicago, IL

Insiders trading volume in the past year

Century Aluminum Co executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Glencore International Ag 10%+ Owner $1.07B -$272M -20.2% Nov 10, 2025
Glencore AG 10%+ Owner $142M Sep 30, 2022
Jesse E. Gary President and CEO, Director $9M -$1.48M -14.1% Jan 28, 2025
Jarl Berntzen Director $3.24M Jun 16, 2025
Gunnar Gudlaugsson EVP - Global Operations $2.62M -$477K -15.4% Dec 31, 2024
John DeZee EVP, GC and Secretary $2.42M Dec 31, 2024
Gerald C. Bialek Chief Financial Officer $1.86M Jan 1, 2025
Errol Glasser Director $1.84M Jun 16, 2025
Andrew Michelmore Director $1.55M Jun 16, 2025
Agust F. Hafberg SVP & Chief Commercial Officer $1.54M -$265K -14.7% Sep 26, 2025
Matt Aboud SVP, Strategy & Business Dev't $1.46M -$280K -16.1% Aug 12, 2025
Craig C. Conti EVP & Chief Financial Officer $1.42M Mar 1, 2022
Peter A. Trpkovski EVP, CFO and Treasurer $1.33M Mar 21, 2025
Robert F. Hoffman SVP, IT and CAO $1.2M -$151K -11.2% Mar 20, 2025
Michelle Harrison Sr. VP Finance & Treasurer $987K Dec 30, 2022
Kenneth L. Calloway SVP, Human Resources $789K -$452K -36.4% Sep 19, 2025
Jennifer Mary Bush Director $727K Jun 16, 2025
Tamla A. Olivier Director $460K Jun 16, 2025
Theresa L. Brainerd Global Corporate Controller $324K Sep 1, 2024
Ryfold Ltd 10%+ Owner Dec 15, 2022

Recent Insider Transactions by Companies or Individuals for Century Aluminum Co

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.