| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2021 | Dec 16, 2020 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 3, 2020 | Jul 30, 2020 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 29, 2019 | Jul 25, 2019 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2019 | Apr 30, 2019 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 30, 2018 | Jul 26, 2018 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2018 | Jun 25, 2018 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2018 | Apr 30, 2018 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 31, 2017 | Jul 27, 2017 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2017 | Apr 30, 2017 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 11, 2017 | Apr 10, 2017 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2017 | Apr 3, 2017 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 27, 2017 | Mar 23, 2017 | 001-00123 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Sep 30, 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2016 | Jul 28, 2016 | 001-00123 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2016 | Apr 29, 2016 | 002-26821 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 25, 2016 | Mar 23, 2016 | 002-26821 |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 16, 2016 | ||
| 4 | Open Document | Open Filing | Jul 27, 2015 | Jul 23, 2015 | 002-26821 | |
| 4 | Open Document | Open Filing | Jul 10, 2015 | Jul 8, 2015 | 002-26821 | |
| 4/A | Open Document | Open Filing | Jun 15, 2015 | Apr 30, 2015 | 002-26821 | |
| 4 | Open Document | Open Filing | May 4, 2015 | Apr 30, 2015 | 002-26821 | |
| 4 | Open Document | Open Filing | Mar 11, 2015 | Dec 10, 2014 | 002-26821 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 17, 2015 | ||
| 4 | Open Document | Open Filing | Sep 3, 2014 | Aug 29, 2014 | 002-26821 | |
| 4 | Open Document | Open Filing | Jul 28, 2014 | Jul 24, 2014 | 002-26821 | |
| 4 | Open Document | Open Filing | Jul 17, 2014 | Jul 15, 2014 | 002-26821 | |
| 4 | Open Document | Open Filing | May 2, 2014 | Apr 30, 2014 | 002-26821 | |
| 4 | Open Document | Open Filing | Mar 10, 2014 | Mar 7, 2014 | 002-26821 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G AMENDMENT NO.9 | Feb 14, 2014 |