| Filed On | Filing |
|---|---|
| 28 Oct 2021 | MACKAY SHIELDS LLC |
| 07 Jan 2021 | MACKAY SHIELDS LLC |
| 14 Jan 2019 | AMENDED SCHEDULE 13G |
| 23 Jan 2018 | AMENDED SCHEDULE 13G |
| 19 Jan 2017 | AMENDED SCHEDULE 13G |
| 13 Jan 2015 | AMENDED SCHEDULE 13G |
| 10 Jan 2014 | AMENDED SCHEDULE 13G |
| 22 Jan 2013 | AMENDED SCHEDULE 13G |
| 03 Feb 2012 | AMENDED SCHEDULE 13G |
| 10 Aug 2011 | SCHEDULE 13G/A |
| 22 Jul 2011 | SC 13G/A |
| 14 Jan 2011 | SC 13G/A |
| 06 Jan 2011 | AMENDED SCHEDULE 13GA |
| 12 Mar 2010 | SCHEDULE 13G AMENDMENT |
| 08 Feb 2010 | SC 13G/A |
| 20 Jan 2010 | SC 13G/A |
| 10 Feb 2009 | AMEND. NO. 1 TO STATEMENT OF ACQUISITION OF BENEFICIAL OWNERSHIP |
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