| Filed On | Filing |
|---|---|
| 23 Feb 2024 | FORM SC 13G/A |
| 08 Feb 2023 | SC 13G/A |
| 16 Feb 2021 | SCHEDULE 13G/A |
| 11 Feb 2021 | SC 13G/A |
| 10 Apr 2020 | SC 13G/A |
| 13 Feb 2020 | SC 13G/A |
| 02 Jul 2015 | SCHEDULE 13G AMENDMENT NO. 10 |
| 04 Feb 2015 | SCHEDULE 13G/A |
| 06 Feb 2014 | SC 13G/A |
| 04 Feb 2013 | SC 13G/A |
| 27 Feb 2012 | SCHEDULE 13G AMENDMENT NO. 1 |
| 13 Feb 2012 | SCHEDULE 13G AMENDMENT NO. 1 |
| 30 Jan 2012 | NONE |
| 08 Feb 2011 | WILLIAM BLAIR SC13G A 12-31-2010 |
| 05 Feb 2010 | WILLIAM BLAIR AND COMPANY SC13GA 12-31-2009 |
| 10 Jul 2009 | AMENDMENT NO. 3 TO SCHEDULE 13G |
| 17 Feb 2009 | 13G/A ANNUAL FILING |
| 17 Feb 2009 | SC 13G/A |
| 12 Jan 2009 | AMENDMENT NO. 2 |
| 13 Feb 2008 | SC 13G/A |
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