| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 2, 2021 | Jun 2, 2021 | 001-31337 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2021 | May 17, 2021 | 001-31337 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2021 | Apr 23, 2021 | 001-31337 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 13, 2020 | Oct 10, 2020 | 001-31337 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 9, 2020 | Oct 7, 2020 | 001-31337 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 10, 2020 | May 16, 2020 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2019 | Oct 10, 2019 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2019 | May 16, 2019 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2018 | Oct 16, 2018 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 12, 2018 | Oct 10, 2018 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 2, 2018 | Dec 29, 2017 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 18, 2017 | Oct 16, 2017 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 13, 2017 | Oct 10, 2017 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 12, 2017 | Oct 10, 2017 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 19, 2016 | Oct 17, 2016 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 12, 2016 | Oct 10, 2016 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 23, 2015 | Oct 16, 2015 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 13, 2015 | Oct 10, 2015 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2015 | Apr 23, 2015 | 001-31337 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 14, 2014 | Oct 10, 2014 | 001-31337 |