| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2021 | May 11, 2021 | 001-39110 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2020 | May 12, 2020 | 001-39110 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 15, 2020 | Oct 25, 2019 | 001-39110 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 29, 2019 | Oct 25, 2019 | 001-39110 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 29, 2019 | Oct 25, 2019 | 001-39110 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 29, 2019 | Oct 25, 2019 | 001-36226 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2019 | May 15, 2019 | 001-36226 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 16, 2018 | 001-36226 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2017 | May 17, 2017 | 001-36226 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2016 | Jul 20, 2016 | 001-36226 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 30, 2015 | Jul 29, 2015 | 001-36226 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2015 | Jan 28, 2015 | 001-36226 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2014 | Dec 12, 2014 | 001-36226 |