| Filed On | Filing |
|---|---|
| 20 Jan 2023 | SC 13G |
| 10 Jul 2020 | SC 13G |
| 14 Feb 2019 | SC 13G |
| 24 Jan 2019 | SC 13G |
| 13 Feb 2017 | SC 13G |
| 08 Feb 2012 | SC 13G |
| 11 Feb 2011 | SCHEDULE 13G |
| 12 Feb 2010 | ASGN AS OF 12/31/2009 |
| 05 Feb 2010 | WILLIAM BLAIR & COMPANY SC 13G 12-31-2009 |
| 29 Jan 2010 | SC 13G |
| 01 May 2009 | SC 13G |
| 18 Feb 2009 | SC 13G |
| 05 Feb 2009 | SC 13G |
| 14 Feb 2008 | SCHEDULE 13G |
| 11 Feb 2008 | SC 13G |
| 06 Feb 2008 | SC 13G |
| 14 Jan 2008 | SC 13G |
| 13 Feb 2007 | SC 13G |
| 13 Feb 2007 | SCHEDULE 13G HOLDINGS REPORT |
| 09 Feb 2007 | SCHEDULE 13G |
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