| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLCA | Common Stock | Award | $0 | +10,328 | +15% | $0.000000 | 79,077 | 20 Dec 2021 | Direct | F1 |
| transaction | SLCA | Common Stock | Award | $0 | +7,959 | +10% | $0.000000 | 87,036 | 20 Dec 2021 | Direct | F2 |
| transaction | SLCA | Common Stock | Tax liability | $204,311 | -22,378 | -26% | $9.13 | 64,658 | 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 7,959 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. |