| Filed On | Filing |
|---|---|
| 14 Feb 2020 | SCHEDULE 13G HOLDINGS REPORT |
| 06 Feb 2020 | CHARLES SCHWAB INVESTMENT MANAGEMENT, INC. |
| 05 Feb 2020 | SC 13G |
| 13 Feb 2019 | SC 13G |
| 09 Feb 2017 | SCHEDULE 13G |
| 10 Feb 2016 | SC 13G |
| 09 Feb 2016 | SCHEDULE 13G |
| 28 Jan 2016 | SC 13G |
| 28 Jan 2016 | SC 13G |
| 03 Aug 2015 | SCHEDULE 13G |
| 10 Feb 2015 | SC 13G |
| 06 Oct 2014 | SC 13G |
| 07 Jul 2014 | SC 13G |
| 09 Feb 2012 | SC 13G |
| 26 Jan 2012 | SC 13G |
| 10 Jan 2012 | SC 13G |
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