| Date | Acquired | Amount |
|---|---|---|
| Jan 29, 2015 |
|
$ 6,500,000 |
| Oct 21, 2014 |
|
$ 3,500,000 |
| Sep 16, 2014 |
|
$ 5,000,000 |
| Dec 05, 2013 |
|
Undisclosed amount |
