| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 Dec 2021 | 07 Dec 2021 | 001-38308 | |
| 4 | Open Document | Open Filing | 07 Dec 2021 | 06 Dec 2021 | 001-38308 | |
| 4 | Open Document | Open Filing | 11 Aug 2021 | 10 Aug 2021 | 001-38308 | |
| 4 | Open Document | Open Filing | 20 Jul 2021 | 19 Jul 2021 | 001-38308 | |
| 4 | Open Document | Open Filing | 07 Jul 2021 | 05 Jul 2021 | 001-38308 | |
| 4 | Open Document | Open Filing | 29 Dec 2020 | 28 Dec 2020 | 001-38308 | |
| 4 | Open Document | Open Filing | 18 Dec 2020 | 16 Dec 2020 | 001-38308 | |
| 4 | Open Document | Open Filing | 19 Aug 2019 | 15 Aug 2019 | 001-38308 | |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2019 | 31 Dec 2018 | 001-38308 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2017 | 28 Aug 2017 | 000-55602 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2017 | 23 Jun 2017 | 000-55602 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2017 | 23 Jun 2017 | 000-55602 |
| SC 13D | Open Document | Open Filing | 05 Feb 2016 | |||
| 5 | Open Document | Open Filing | 04 Feb 2016 | 31 Dec 2015 | 333-193565 |