| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | May 1, 2023 | Apr 27, 2023 | 001-37523 | |
| 4 | Open Document | Open Filing | May 19, 2022 | May 17, 2022 | 001-37523 | |
| 4/A | Open Document | Open Filing | May 19, 2022 | Mar 31, 2022 | 001-37523 | |
| 4/A | Open Document | Open Filing | May 19, 2022 | Nov 23, 2020 | 001-37523 | |
| 4/A | Open Document | Open Filing | May 19, 2022 | May 18, 2018 | 001-37523 | |
| 4 | Open Document | Open Filing | Apr 4, 2022 | Mar 31, 2022 | 001-37523 | |
| 4 | Open Document | Open Filing | Jun 15, 2021 | Jun 7, 2021 | 001-37523 | |
| 4 | Open Document | Open Filing | May 25, 2021 | May 21, 2021 | 001-37523 | |
| 3 | Open Document | Open Filing | Jan 12, 2021 | Jan 11, 2021 | 001-39875 | |
| 5 | Open Document | Open Filing | Jan 11, 2021 | Dec 31, 2020 | 001-37523 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 1, 2020 | Nov 23, 2020 | 001-37523 |
| 4 | Open Document | Open Filing | Nov 17, 2020 | Nov 13, 2020 | 001-37523 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 1, 2020 | May 18, 2020 | 001-37523 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2019 | May 17, 2019 | 001-37523 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2018 | May 18, 2018 | 001-37523 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 29, 2018 | Mar 27, 2018 | 001-37523 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 6, 2018 | Feb 2, 2018 | 001-37523 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 29, 2015 | Jul 29, 2015 | 001-37523 |