| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 17 Dec 2021 | 14 Dec 2021 | 001-41164 |
| 4 | Open Document | Open Filing | 31 Jan 2020 | 28 Jan 2020 | 001-36467 | |
| 4 | Open Document | Open Filing | 28 Jan 2020 | 21 Jan 2020 | 001-36467 | |
| 4/A | Open Document | Open Filing | 28 Jan 2020 | 21 Jan 2020 | 001-36467 | |
| 4 | Open Document | Open Filing | 23 Jan 2020 | 21 Jan 2020 | 001-36467 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2019 | 10 Jun 2019 | 001-36467 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Oct 2018 | 22 Oct 2018 | 001-37969 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jun 2018 | 12 Jun 2018 | 001-36467 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jun 2018 | 12 Jun 2018 | 001-36467 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Apr 2018 | 09 May 2017 | 001-37969 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2018 | 31 Dec 2017 | 001-35814 |