| Date | Acquired | Amount |
|---|---|---|
| Apr 12, 2016 |
|
$ 710,000 |
| Dec 18, 2015 |
|
Undisclosed amount |
| Jan 21, 2015 |
|
Undisclosed amount |
| Oct 16, 2014 |
|
Undisclosed amount |
| Feb 19, 2014 |
|
Undisclosed amount |
