| Date | Acquired | Amount |
|---|---|---|
| May 26, 2017 |
|
Undisclosed amount |
| May 05, 2017 |
|
$ 10,000,000 |
| Nov 21, 2016 |
|
Undisclosed amount |
| Sep 13, 2016 |
|
Undisclosed amount |
| Sep 07, 2016 |
|
Undisclosed amount |
| Aug 24, 2016 |
|
Undisclosed amount |
| Jul 26, 2016 |
|
Undisclosed amount |
| May 10, 2016 |
|
Undisclosed amount |
| Jan 06, 2016 |
|
Undisclosed amount |
| Dec 03, 2015 |
|
Undisclosed amount |
| Nov 06, 2015 |
|
Undisclosed amount |
