| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLCA | Common Stock | Tax liability | $73,244 | -6,119 | -1.8% | $11.97* | 337,489 | 10 Feb 2012 | Direct | F1 |
| transaction | SLCA | Common Stock | Tax liability | $80,295 | -6,708 | -2% | $11.97* | 330,781 | 12 Feb 2012 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents tax withholding on vested restricted stock units. |