| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Aug 17, 2021 | Mar 16, 2021 | 001-34170 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Aug 17, 2021 | May 7, 2021 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2021 | Aug 10, 2021 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2021 | Jun 8, 2021 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2021 | May 25, 2021 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2021 | May 7, 2021 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2021 | Mar 16, 2021 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2021 | Feb 4, 2021 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2020 | Jun 5, 2020 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2019 | Jun 5, 2019 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2019 | May 22, 2019 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2018 | Sep 30, 2018 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2017 | Feb 8, 2017 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2016 | Dec 14, 2016 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2016 | Jun 1, 2016 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2015 | Jun 2, 2015 | 001-34170 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2014 | Jun 3, 2014 | 001-34170 |