William J. Leatherberry serves as Executive at CENTURY ALUMINUM CO, where they oversee executive responsibilities. Since joining the company, William J. Leatherberry has executed 122 insider transactions totaling $9.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 8, 2026 involved selling 2,570 shares valued at $0.
William J. Leatherberry currently holds 125,203 shares of CENTURY ALUMINUM CO (CENX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William J. Leatherberry has been a net seller of CENX stock. They have purchased $456.3K and sold $8.9M worth of shares.
William J. Leatherberry's most recent insider trade was on Feb 8, 2026, when they sold 2,570 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $N/A |
| Discretionary |
| Dec 24, 2025 | NMIH | $0 | Gift | 2,380 | $N/A | Discretionary |
| Aug 27, 2024 | NMIH | $120.2K | Sale | 3,000 | $40.07 | Discretionary |
| Aug 26, 2024 | NMIH | $80.0K | Sale | 2,000 | $40.00 | Discretionary |
| Jul 31, 2024 | NMIH | $980.8K | Sale | 24,725 | $39.67 | Discretionary |
| Feb 10, 2024 | NMIH | $0 | Payment | 2,132 | $N/A | Discretionary |
| Feb 9, 2024 | NMIH | $0 | Payment | 5,561 | $N/A | Discretionary |
| Feb 8, 2024 | NMIH | $0 | Payment | 5,119 | $N/A | Discretionary |
| Feb 7, 2024 | NMIH | $0 | Award | 42,042 | $N/A | Discretionary |
| Feb 7, 2024 | NMIH | $0 | Payment | 21,507 | $N/A | Discretionary |
| Feb 7, 2024 | NMIH | $0 | Award | 21,957 | $N/A | Discretionary |
| Feb 12, 2023 | NMIH | $0 | Payment | 1,475 | $N/A | Discretionary |
| Feb 10, 2023 | NMIH | $0 | Payment | 4,169 | $N/A | Discretionary |
| Feb 9, 2023 | NMIH | $0 | Payment | 5,441 | $N/A | Discretionary |
| Feb 8, 2023 | NMIH | $0 | Award | 25,248 | $N/A | Discretionary |
| Feb 8, 2023 | NMIH | $0 | Award | 22,649 | $N/A | Discretionary |
| Feb 8, 2023 | NMIH | $0 | Payment | 11,508 | $N/A | Discretionary |
| Feb 13, 2022 | NMIH | $0 | Payment | 4,626 | $N/A | Discretionary |
| Feb 12, 2022 | NMIH | $0 | Payment | 2,948 | $N/A | Discretionary |
| Feb 10, 2022 | NMIH | $0 | Payment | 4,338 | $N/A | Discretionary |
| Feb 9, 2022 | NMIH | $0 | Award | 27,433 | $N/A | Discretionary |
| May 5, 2021 | NMIH | $126.3K | Sale | 5,000 | $25.25 | Discretionary |
| Mar 15, 2021 | NMIH | $133.4K | Sale | 5,432 | $24.55 | Discretionary |
| Mar 10, 2021 | NMIH | $260.8K | Sale | 10,568 | $24.68 | Discretionary |
| Feb 13, 2021 | NMIH | $0 | Payment | 4,625 | $N/A | Discretionary |
| Feb 12, 2021 | NMIH | $0 | Payment | 2,948 | $N/A | Discretionary |
| Feb 10, 2021 | NMIH | $0 | Award | 21,021 | $N/A | Discretionary |
| Feb 7, 2021 | NMIH | $0 | Payment | 4,153 | $N/A | Discretionary |
| Dec 10, 2020 | NMIH | $471.9K | Sale | 19,434 | $24.28 | Discretionary |