| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2022 | Jan 1, 2019 | 001-37344 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Aug 6, 2021 | Jun 9, 2021 | 001-37344 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 11, 2021 | Jun 9, 2021 | 001-37344 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2021 | May 26, 2021 | 001-37344 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2021 | Mar 15, 2021 | 001-37344 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2020 | Nov 11, 2020 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2020 | Apr 3, 2020 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2019 | Nov 11, 2019 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2019 | Aug 12, 2019 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2019 | Apr 17, 2019 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2018 | Dec 14, 2018 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2018 | Nov 12, 2018 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2018 | Apr 20, 2018 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2017 | Nov 13, 2017 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2017 | Aug 4, 2017 | 001-37344 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2017 | Dec 31, 2016 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2016 | Aug 8, 2016 | 001-37344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2015 | Nov 17, 2015 | 001-37344 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 15, 2015 | Apr 15, 2015 | 001-37344 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 15, 2015 | Apr 15, 2015 | 001-37344 |