| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 12 Oct 2021 | 07 Oct 2021 | 001-40701 | |
| 4 | Open Document | Open Filing | 09 Aug 2021 | 05 Aug 2021 | 001-40701 | |
| 4 | Open Document | Open Filing | 08 Nov 2019 | 30 Sep 2019 | 000-53361 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Oct 2017 | 13 Oct 2017 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2017 | 15 Sep 2017 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2017 | 16 Aug 2017 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jul 2017 | 17 Jul 2017 | 000-53361 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jun 2017 | 28 Jun 2017 | 000-53361 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2017 | 15 Jun 2017 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2017 | 15 Jun 2017 | 000-53361 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Mar 2017 | 21 Mar 2017 | 000-53361 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2017 | 19 Jan 2017 | 000-53361 |