| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 07 Apr 2022 | 05 Apr 2022 | 001-06049 | |
| 4 | Open Document | Open Filing | 16 Mar 2022 | 14 Mar 2022 | 001-06049 | |
| 4 | Open Document | Open Filing | 11 Mar 2022 | 09 Mar 2022 | 001-06049 | |
| 4 | Open Document | Open Filing | 21 May 2021 | 20 May 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | 08 Apr 2021 | 06 Apr 2021 | 001-06049 | |
| 4/A | Open Document | Open Filing | 22 Mar 2021 | 10 Mar 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | 17 Mar 2021 | 15 Mar 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | 12 Mar 2021 | 10 Mar 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | 10 Mar 2021 | 08 Mar 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | 23 Sep 2020 | 21 Sep 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | 09 Apr 2020 | 07 Apr 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | 17 Mar 2020 | 13 Mar 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | 13 Mar 2020 | 11 Mar 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | 11 Mar 2020 | 09 Mar 2020 | 001-06049 | |
| 3 | Open Document | Open Filing | 23 Jan 2020 | 15 Jan 2020 | 001-06049 |