| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 15 Feb 2022 | 11 Feb 2022 | 001-35845 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Mar 2020 | 23 Mar 2020 | 001-35845 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Jun 2018 | 01 Jun 2018 | 001-35845 |
| 4 | Open Document | Open Filing | FORM 4 - | 31 May 2018 | 29 May 2018 | 001-35845 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 May 2018 | 23 May 2018 | 001-35845 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Jan 2018 | 18 Jan 2018 | 001-35845 |