Hafberg Agust F
SEC insider (Form 3/4/5 filer). CIK 0002049924. SVP & Chief Commercial Officer at CENTURY ALUMINUM CO (CENX). 10 reported Form 4/5 transactions since Sep 2024; latest on Feb 27, 2026. Located in CHICAGO, IL.
Companies Hafberg Agust F has filed insider reports for
- CENTURY ALUMINUM CO (CENX): Officer, SVP & Chief Commercial Officer
Hafberg Agust F
CIK: 0002049924
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CENTURY ALUMINUM CO
Discretionary Trading P&L
Holdings
Transaction History (10 total)
- Feb 27, 2026CENX
CENTURY ALUMINUM CO
SaleDirect22.9K shares at avg. $51.24$1.2M - Jan 1, 2026CENX
CENTURY ALUMINUM CO
AwardDirect5.2K shares- - Dec 31, 2025CENX
CENTURY ALUMINUM CO
AwardDirect30.9K shares- - Dec 31, 2025CENX
CENTURY ALUMINUM CO
Tax PaymentDirect15.6K shares at avg. $39.18$612K - Dec 31, 2025CENX
CENTURY ALUMINUM CO
Tax PaymentDirect7.8K shares at avg. $39.18$306K - Sep 26, 2025CENX
CENTURY ALUMINUM CO
SaleDirect9.5K shares at avg. $27.91$265K - Jan 1, 2025CENX
CENTURY ALUMINUM CO
AwardDirect7.8K shares- - Dec 31, 2024CENX
CENTURY ALUMINUM CO
AwardDirect14.3K shares- - Dec 31, 2024CENX
CENTURY ALUMINUM CO
Tax PaymentDirect7.2K shares at avg. $18.22$132K - Dec 31, 2024CENX
CENTURY ALUMINUM CO
Tax PaymentDirect2.5K shares at avg. $18.22$45K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Feb 27, 2026 | CENX CENTURY ALUMINUM CO | Sale | 22,884 | $51.24 | $1,172,576 | Direct |
| Jan 1, 2026 | CENX CENTURY ALUMINUM CO | Award | 5,238 | - | $0 | Direct |
| Dec 31, 2025 | CENX CENTURY ALUMINUM CO | Award | 30,878 | - | $0 | Direct |
| Dec 31, 2025 | CENX CENTURY ALUMINUM CO | Tax Payment | 15,622 | $39.18 | $612,070 | Direct |
| Dec 31, 2025 | CENX CENTURY ALUMINUM CO | Tax Payment | 7,811 | $39.18 | $306,035 | Direct |
| Sep 26, 2025 | CENX CENTURY ALUMINUM CO | Sale | 9,493 | $27.91 | $264,950 | Direct |
| Jan 1, 2025 | CENX CENTURY ALUMINUM CO | Award | 7,787 | - | $0 | Direct |
| Dec 31, 2024 | CENX CENTURY ALUMINUM CO | Award | 14,304 | - | $0 | Direct |
| Dec 31, 2024 | CENX CENTURY ALUMINUM CO | Tax Payment | 7,235 | $18.22 | $131,822 | Direct |
| Dec 31, 2024 | CENX CENTURY ALUMINUM CO | Tax Payment | 2,481 | $18.22 | $45,204 | Direct |
1-10 of 10 transactions