Gudlaugsson Gunnar (CIK 1846594) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-27). Recent activity: Sell CENX (43,000 shares), Buy CENX (82,794 shares), Sell CENX (41,886 shares), Sell CENX (20,943 shares), Buy CENX (15,624 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-27 | CENTURY ALUMINUM CO (CENX) | EVP - Global Operations | Sell | 43,000 | $2.3M |
| 2026-01-05 | CENTURY ALUMINUM CO (CENX) | EVP - Global Operations | Buy | 82,794 | $0 |
| 2026-01-05 | CENTURY ALUMINUM CO (CENX) | EVP - Global Operations | Sell | 41,886 | $1.6M |
| 2026-01-05 | CENTURY ALUMINUM CO (CENX) | EVP - Global Operations | Sell | 20,943 | $820,547 |
| 2026-01-05 | CENTURY ALUMINUM CO (CENX) | EVP - Global Operations | Buy | 15,624 | $0 |
Source: SEC Form 4 filings · as of 2026-02-27