| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2021 | 24 May 2021 | 001-38148 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2021 | 19 May 2021 | 001-38148 |
| 4 | Open Document | Open Filing | 30 Nov 2020 | 25 Nov 2020 | 001-38148 | |
| 4 | Open Document | Open Filing | 24 Nov 2020 | 23 Nov 2020 | 001-38148 | |
| 4 | Open Document | Open Filing | 15 Nov 2019 | 03 Sep 2019 | 001-38148 | |
| 4 | Open Document | Open Filing | 05 Oct 2018 | 05 Oct 2018 | 001-38148 | |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2017 | 13 Dec 2017 | 001-38148 |
| 3 | Open Document | Open Filing | FORM 3 | 16 Aug 2017 | 11 Jul 2017 | 001-38148 |
| 3 | Open Document | Open Filing | 15 Oct 2015 | 02 Oct 2015 | 000-55219 |