| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 24 May 2021 | 20 May 2021 | 001-38561 | |
| 4 | Open Document | Open Filing | 30 Apr 2021 | 30 Apr 2021 | 001-38561 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2020 | 28 Sep 2020 | 001-38561 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 May 2020 | 29 Apr 2020 | 001-38561 |
| 4 | Open Document | Open Filing | 13 Jan 2020 | 09 Jan 2020 | 001-38561 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 May 2019 | 29 May 2019 | 001-38561 |
| 4 | Open Document | Open Filing | 15 May 2019 | 14 May 2019 | 001-38561 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Feb 2019 | 07 Feb 2019 | 001-38561 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Jan 2019 | 09 Jan 2019 | 001-38561 |
| 3 | Open Document | Open Filing | 17 Oct 2018 | 26 Sep 2018 | 001-38561 |