| Filed On | Filing |
|---|---|
| 20 Jan 2023 | SC 13G |
| 09 Feb 2022 | SC 13G |
| 03 Feb 2017 | SC 13G |
| 12 Feb 2016 | SC 13G |
| 11 Feb 2016 | SEC SCHEDULE 13G |
| 26 Jan 2016 | SC 13G |
| 12 Feb 2015 | CIENA CORPORATION 12312014 |
| 12 Feb 2015 | SC 13G |
| 12 Feb 2015 | SC 13G |
| 12 Feb 2015 | SC 13G |
| 13 Feb 2014 | SC 13G |
| 24 Jan 2014 | SC 13G |
| 19 Mar 2013 | SC 13G |
| 15 Feb 2013 | SC 13G |
| 13 Feb 2013 | SC 13G |
| 11 Feb 2013 | SCHEDULE 13G |
| 04 Feb 2013 | SC 13G |
| 10 Jul 2012 | DISCLOSURE DOCUMENT |
| 14 May 2012 | SC 13G |
| 15 Feb 2012 | SC 13G |
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