| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLCA | Common Stock | Award | $0 | +72,294 | +8.6% | $0.000000 | 914,281 | 20 Dec 2021 | Direct | F1 |
| transaction | SLCA | Common Stock | Award | $0 | +55,713 | +6.1% | $0.000000 | 969,994 | 20 Dec 2021 | Direct | F2 |
| transaction | SLCA | Common Stock | Tax liability | $1,158,360 | -126,874 | -13% | $9.13 | 843,120 | 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 72,294 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 55,713 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. |