| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 2, 2022 | Aug 31, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Mar 2, 2022 | Mar 1, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Feb 7, 2022 | Feb 3, 2022 | 001-34761 | |
| 4 | Open Document | Open Filing | Aug 27, 2021 | Aug 25, 2021 | 001-34761 | |
| 4 | Open Document | Open Filing | Mar 1, 2021 | Feb 26, 2021 | 001-34761 | |
| 4 | Open Document | Open Filing | Feb 28, 2020 | Feb 26, 2020 | 001-34761 | |
| 4 | Open Document | Open Filing | Oct 1, 2019 | Sep 30, 2019 | 001-34761 | |
| 4 | Open Document | Open Filing | Aug 8, 2019 | Aug 6, 2019 | 001-34761 | |
| 4 | Open Document | Open Filing | Mar 5, 2019 | Mar 1, 2019 | 001-34761 | |
| 4 | Open Document | Open Filing | Oct 2, 2018 | Oct 2, 2018 | 001-34761 | |
| 4 | Open Document | Open Filing | Apr 16, 2018 | Apr 12, 2018 | 001-34761 | |
| 4 | Open Document | Open Filing | Sep 29, 2017 | Sep 27, 2017 | 001-34761 | |
| 4 | Open Document | Open Filing | May 16, 2017 | May 16, 2017 | 001-34761 | |
| 4 | Open Document | Open Filing | Jan 27, 2017 | Jan 26, 2017 | 001-34761 | |
| 4 | Open Document | Open Filing | Jul 19, 2016 | Jul 15, 2016 | 001-34761 | |
| 4 | Open Document | Open Filing | Jun 2, 2016 | Jun 2, 2016 | 001-34761 | |
| 4 | Open Document | Open Filing | Jan 22, 2016 | Jan 21, 2016 | 001-34761 | |
| 4 | Open Document | Open Filing | May 20, 2015 | May 18, 2015 | 001-34761 | |
| 4 | Open Document | Open Filing | Jan 26, 2015 | Jan 23, 2015 | 001-34761 | |
| 4 | Open Document | Open Filing | Dec 3, 2014 | Dec 3, 2014 | 001-34761 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2014 | Mar 17, 2014 | 001-34761 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2014 | Mar 17, 2014 | 001-34761 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2014 | Jan 21, 2014 | 001-34761 |