| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLCA | Common Stock | Award | $0 | +20,656 | +10% | $0.000000 | 224,751 | 20 Dec 2021 | Direct | F1 |
| transaction | SLCA | Common Stock | Award | $0 | +15,919 | +7.1% | $0.000000 | 240,670 | 20 Dec 2021 | Direct | F2 |
| transaction | SLCA | Common Stock | Tax liability | $330,990 | -36,253 | -15% | $9.13 | 204,417 | 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 20,656 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 15,919 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. |