| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Oei Khing Djien | S | Common Stock | |||||
| Martin Patricia A. | S | Common Stock | |||||
| Dietz Thomas John | S | Common Stock | |||||
| Zhang Kevin Head of Mining | A | Restricted Stock Units | |||||
| McEvoy William Patrick III Chief Investment Officer | J | Pre-Funded Warrant (Right to Buy) |