| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLCA | Common Stock | Award | $0 | +10,328 | +12% | $0.000000 | 97,507 | 20 Dec 2021 | Direct | F1 |
| transaction | SLCA | Common Stock | Award | $0 | +7,960 | +8.2% | $0.000000 | 105,467 | 20 Dec 2021 | Direct | F2 |
| transaction | SLCA | Common Stock | Tax liability | $181,285 | -19,856 | -19% | $9.13 | 85,611 | 20 Dec 2021 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | On February 12, 2019, the reporting person was granted performance-based restricted stock units subject to vesting based on the attainment of certain pre-established objectives. Certain performance criteria were met, resulting in vesting of the grant as to 10,328 shares of the issuer's common stock on December 20, 2021. |
| F2 | On February 12, 2019, the reporting person was granted performance-based restricted stock units subject to vesting based on the attainment of certain pre-established objectives. Certain performance criteria were met, resulting in vesting of the grant as to 7,960 shares of the issuer's common stock on December 20, 2021. |
| F3 | Represents tax withholding on vested restricted stock units and vested performance-based restricted stock units. |