| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | 19 Oct 2021 | 19 Oct 2021 | 001-40920 | |
| 4/A | Open Document | Open Filing | 22 Sep 2020 | 14 Sep 2020 | 001-37523 | |
| 4 | Open Document | Open Filing | 17 Sep 2020 | 14 Sep 2020 | 001-37523 | |
| 4 | Open Document | Open Filing | 24 Aug 2020 | 20 Aug 2020 | 001-37523 | |
| 4 | Open Document | Open Filing | 23 Jun 2020 | 19 May 2020 | 001-37523 | |
| 5 | Open Document | Open Filing | 17 Jan 2020 | 31 Dec 2019 | 001-37523 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Dec 2019 | 17 Dec 2019 | 001-37523 |
| 4 | Open Document | Open Filing | 21 Nov 2019 | 19 Nov 2019 | 001-37523 | |
| 4 | Open Document | Open Filing | 15 Aug 2019 | 13 Aug 2019 | 001-37523 | |
| 4 | Open Document | Open Filing | 31 Jul 2019 | 29 Jul 2019 | 001-37523 | |
| 4/A | Open Document | Open Filing | 08 Jul 2019 | 25 Jun 2019 | 001-37523 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Jun 2019 | 25 Jun 2019 | 001-37523 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Dec 2018 | 27 Dec 2018 | 001-37523 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Feb 2018 | 02 Feb 2018 | 001-37523 |