| Date | Acquired | Amount |
|---|---|---|
| May 04, 2017 |
|
Undisclosed amount |
| Sep 16, 2016 |
|
Undisclosed amount |
| Sep 24, 2015 |
|
Undisclosed amount |
| Aug 11, 2014 |
|
$ 17,000,000 |
| Jun 24, 2013 |
|
Undisclosed amount |
| Jan 08, 2013 |
|
Undisclosed amount |
| Aug 09, 2011 |
|
Undisclosed amount |
| Aug 09, 2011 |
|
Undisclosed amount |
| Mar 03, 2011 |
|
Undisclosed amount |
| Mar 04, 2008 |
|
Undisclosed amount |
| Jun 12, 2007 |
|
Undisclosed amount |
| Jun 01, 2007 |
|
$ 1,000,000 |
| May 03, 2006 |
|
Undisclosed amount |
