| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 14 Dec 2021 | 13 Dec 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 09 Nov 2021 | 08 Nov 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 06 Oct 2021 | 06 Oct 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 08 Sep 2021 | 07 Sep 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 10 Aug 2021 | 06 Aug 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 08 Jul 2021 | 07 Jul 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 08 Jun 2021 | 07 Jun 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 11 May 2021 | 07 May 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 13 Apr 2021 | 09 Apr 2021 | 001-34780 | |
| 4 | Open Document | Open Filing | 07 Jul 2020 | 02 Jul 2020 | 001-34780 | |
| 4 | Open Document | Open Filing | 09 Jun 2020 | 05 Jun 2020 | 001-34780 | |
| 4 | Open Document | Open Filing | 04 Jun 2020 | 02 Jun 2020 | 001-34780 | |
| 4 | Open Document | Open Filing | 01 Jun 2020 | 28 May 2020 | 001-34780 | |
| 4 | Open Document | Open Filing | 27 May 2020 | 22 May 2020 | 001-34780 | |
| 4 | Open Document | Open Filing | 15 Jan 2020 | 13 Jan 2020 | 001-34780 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2018 | 13 Feb 2018 | 001-34780 |