| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Sep 2022 | 31 Aug 2022 | 001-40768 | |
| 4 | Open Document | Open Filing | 12 Apr 2021 | 08 Apr 2021 | 000-09047 | |
| 4 | Open Document | Open Filing | 02 Oct 2020 | 30 Sep 2020 | 000-09047 | |
| 4 | Open Document | Open Filing | 07 Nov 2019 | 05 Nov 2019 | 000-09047 | |
| 4 | Open Document | Open Filing | 09 Sep 2019 | 05 Sep 2019 | 000-09047 | |
| 4 | Open Document | Open Filing | 13 Jun 2019 | 30 May 2019 | 000-09047 | |
| 4 | Open Document | Open Filing | 11 Apr 2019 | 09 Apr 2019 | 000-09047 | |
| 4 | Open Document | Open Filing | 01 Mar 2019 | 27 Feb 2019 | 000-09047 | |
| 4 | Open Document | Open Filing | 11 Oct 2018 | 05 Oct 2018 | 000-09047 | |
| 3 | Open Document | Open Filing | 11 Oct 2018 | 27 Jun 2018 | 000-09047 | |
| 3 | Open Document | Open Filing | 29 Jun 2018 | 27 Jun 2018 | 000-09047 |