| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLCA | Common Stock | Tax liability | $337,207 | -28,171 | -13% | $11.97 | 186,513 | 07 May 2021 | Direct | F1 |
| holding | SLCA | Common Stock | 2,600 | 07 May 2021 | By Spouse |
| Id | Content |
|---|---|
| F1 | Represents tax withholding on vested restricted stock units. |