| 12 Sept 2014 | OTHER | AEROFLEX HOLDING CORP. | 15,504,791 | — | |
| 11 Dec 2013 | SALE | U.S. SILICA HOLDINGS, INC. | 4,517,582 | 34.70 USD | |
| 05 Dec 2013 | OTHER | U.S. SILICA HOLDINGS, INC. | 8,889 | 0.00 USD | |
| 20 Nov 2013 | SALE | U.S. SILICA HOLDINGS, INC. | 1,196,000 | 30.70 USD | |
| 14 Nov 2013 | SALE | U.S. SILICA HOLDINGS, INC. | 11,853,589 | 30.70 USD | |
| 07 Nov 2013 | OTHER | U.S. SILICA HOLDINGS, INC. | 25,411 | 0.00 USD | |
| 11 Jun 2013 | SALE | U.S. SILICA HOLDINGS, INC. | 13,800,000 | 18.76 USD | |
| 19 Mar 2013 | SALE | U.S. SILICA HOLDINGS, INC. | 9,775,000 | 21.12 USD | |
| 06 Feb 2012 | SALE | U.S. SILICA HOLDINGS, INC. | 8,804,552 | 15.81 USD | |