| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Aug 4, 2022 | Jul 11, 2022 | 001-37428 | |
| 4 | Open Document | Open Filing | Aug 20, 2021 | Aug 19, 2021 | 001-37428 | |
| 4 | Open Document | Open Filing | Dec 30, 2020 | Dec 29, 2020 | 001-37428 | |
| 4 | Open Document | Open Filing | Nov 23, 2020 | Nov 20, 2020 | 001-37428 | |
| 4 | Open Document | Open Filing | Jun 8, 2020 | Jun 6, 2020 | 001-37428 | |
| 4 | Open Document | Open Filing | May 27, 2020 | May 22, 2020 | 001-37428 | |
| 3 | Open Document | Open Filing | May 27, 2020 | May 22, 2020 | 001-37428 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2018 | Aug 16, 2018 | 000-53072 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 26, 2018 | Jul 16, 2018 | 000-53072 |