| 2015-11-10 | Sale | Blackstone Inc. BX | 10 percent owner | 4.9M 0.3336% | $14.16 | $69.38M | -15.07% | |
| 2014-12-16 | Sale | Blackstone Inc. BX | 10 percent owner | 5.19M 1.1181% | $42.88 | $222.59M | +16.99% | |
| 2014-06-06 | Sale | Blackstone Inc. BX | 10 percent owner | 5.21M 1.1973% | $47.08 | $245.37M | +2.69% | |
| 2014-03-10 | Sale | Blackstone Inc. BX | 10 percent owner | 6.1M 1.3342% | $46.25 | $282.35M | -4.06% | |
| 2013-11-26 | Sale | Blackstone Inc. BX | 10 percent owner | 6.1M 1.4447% | $39.09 | $238.64M | +17.34% | |
| 2013-05-17 | Sale | Blackstone Inc. BX | 10 percent owner | 8.19M 2.0625% | $34.48 | $282.37M | +19.2% | |
| 2013-02-21 | Sale | Blackstone Inc. BX | 10 percent owner | 8.3M 2.4217% | $31.57 | $262.16M | +26.56% |