| Date | Acquired | Amount |
|---|---|---|
| May 03, 2017 |
|
$ 10,000,000 |
| May 02, 2017 |
|
$ 20,000,000 |
| Nov 03, 2016 |
|
$ 100,000,000 |
| Oct 03, 2016 |
|
$ 30,000,000 |
| Aug 25, 2016 |
|
Undisclosed amount |
| Nov 13, 2014 |
|
Undisclosed amount |
| Sep 16, 2014 |
|
$ 1,470,000,000 |
| Jul 02, 2012 |
|
Undisclosed amount |
| Oct 05, 2008 |
|
Undisclosed amount |
