| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2022 | Feb 10, 2022 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2021 | Mar 31, 2021 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2021 | Jan 4, 2021 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2021 | Dec 31, 2020 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 1, 2020 | Sep 30, 2020 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 17, 2020 | Apr 3, 2020 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2020 | Jun 30, 2020 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 7, 2020 | Apr 3, 2020 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2020 | Mar 31, 2020 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2020 | Dec 31, 2019 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2019 | Sep 30, 2019 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2019 | Jun 30, 2019 | 001-37487 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | May 15, 2019 | Mar 31, 2019 | 001-37487 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | May 15, 2019 | Jun 14, 2018 | 001-37487 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2019 | Apr 1, 2019 | 001-37487 |
| 3 | Open Document | Open Filing | Jul 31, 2018 | Jun 19, 2018 | 001-37487 |