|
Form
|
|
(Filer)
|
Received
(
Period
)
|
| 4 |
 |
U.S. SILICA HOLDINGS, INC. (TEDROW JASON LEROY) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(WINKLER MICHAEL L) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(MURRY DAVID D.) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(CASPER BRADFORD B) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(KACAL WILLIAM JENNINGS) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(WEINHEIMER DON D) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(SHINN BRYAN ADAIR) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(BERNARD PETER CLARK) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(MERRIL DONALD A) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(BLANCHARD JOHN PAUL) |
05/21/13 (05/17/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(MARSHALL CHRISTINE C) |
05/21/13 (05/17/13) |
| 8-K |
|
U.S. SILICA HOLDINGS, INC. |
05/15/13 (05/15/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(WINKLER MICHAEL L) |
05/08/13 (05/06/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(TEDROW JASON LEROY) |
05/08/13 (05/06/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(BLANCHARD JOHN PAUL) |
05/08/13 (05/06/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(MURRY DAVID D.) |
05/08/13 (05/06/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(SHINN BRYAN ADAIR) |
05/08/13 (05/06/13) |
| 4 |
|
U.S. SILICA HOLDINGS, INC.(CASPER BRADFORD B) |
05/08/13 (05/06/13) |
| 10-Q |
|
U.S. SILICA HOLDINGS, INC. |
04/30/13 (03/31/13) |
| 8-K |
|
U.S. SILICA HOLDINGS, INC. |
04/30/13 (04/25/13) |