| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLCA | Common Stock | Gift | $0 | -43,000 | -17% | $0.000000 | 209,503 | 17 May 2021 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Includes 15,990 Restricted Stock Units granted on May 13, 2021 and vesting on May 13, 2022. |